refactor: feedback repository

refactor: add asset update method
refactor: owned action assets filter
2026-06-29 17:54:35 -07:00 · 2026-06-30 04:20:51 +05:30 · 2026-06-30 04:20:31 +05:30 · 2026-06-30 04:19:55 +05:30 · 2026-06-29 17:05:20 +02:00 · 2026-06-29 10:59:09 -04:00
38 changed files with 879 additions and 775 deletions
@@ -7,6 +7,7 @@ project(native_buffer LANGUAGES C)

 add_library(native_buffer SHARED
    src/main/cpp/native_buffer.c
+    src/main/cpp/native_image.c
 )

 target_link_libraries(native_buffer jnigraphics)
@@ -0,0 +1,109 @@
+#include <jni.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <android/bitmap.h>
+
+// Cache-friendly block size for the tiled rotation (in pixels). 32x32 uint32 = 4KB, fits L1.
+#define TILE 32
+
+// EXIF orientation values (androidx.exifinterface.media.ExifInterface.ORIENTATION_*).
+enum {
+  ORIENTATION_FLIP_HORIZONTAL = 2,
+  ORIENTATION_ROTATE_180 = 3,
+  ORIENTATION_FLIP_VERTICAL = 4,
+  ORIENTATION_TRANSPOSE = 5,
+  ORIENTATION_ROTATE_90 = 6,
+  ORIENTATION_TRANSVERSE = 7,
+  ORIENTATION_ROTATE_270 = 8,
+};
+
+// The orientations that swap width and height. Must stay in sync with affine_for's dim usage.
+static int swaps_dims(int o) {
+  return o == ORIENTATION_ROTATE_90 || o == ORIENTATION_ROTATE_270 ||
+         o == ORIENTATION_TRANSPOSE || o == ORIENTATION_TRANSVERSE;
+}
+
+// A source pixel (sx, sy) maps to destination index base + sx*stepX + sy*stepY, where dw is the
+// destination width. This affine form covers all 8 EXIF orientations and matches the pixel layout
+// of Bitmap.createBitmap(src, matrixForExifOrientation(o)). int64_t so it stays correct on
+// armeabi-v7a (32-bit long) regardless of how large MAX_RAW_DECODE_PIXELS grows.
+static void affine_for(int o, int sw, int sh, int dw, int64_t *base, int64_t *stepX, int64_t *stepY) {
+  switch (o) {
+    case ORIENTATION_ROTATE_90:       *base = sh - 1;                             *stepX = dw;  *stepY = -1;  break;
+    case ORIENTATION_ROTATE_270:      *base = (int64_t) (sw - 1) * dw;            *stepX = -dw; *stepY = 1;   break;
+    case ORIENTATION_ROTATE_180:      *base = (int64_t) (sh - 1) * dw + (sw - 1); *stepX = -1;  *stepY = -dw; break;
+    case ORIENTATION_FLIP_HORIZONTAL: *base = sw - 1;                             *stepX = -1;  *stepY = dw;  break;
+    case ORIENTATION_FLIP_VERTICAL:   *base = (int64_t) (sh - 1) * dw;            *stepX = 1;   *stepY = -dw; break;
+    case ORIENTATION_TRANSPOSE:       *base = 0;                                  *stepX = dw;  *stepY = 1;   break;
+    case ORIENTATION_TRANSVERSE:      *base = (int64_t) (sw - 1) * dw + (sh - 1); *stepX = -dw; *stepY = -1;  break;
+    default:                          *base = 0;                                  *stepX = 1;   *stepY = dw;  break;
+  }
+}
+
+// Copy each source pixel (whole uint32, so channel order/premult is irrelevant) to its rotated
+// destination, walking TILE x TILE blocks so the scattered writes of a 90/270 transpose stay
+// cache-resident. dst is densely packed (rowBytes == dw*4, no padding), which the affine math relies on.
+static void rotate_tiled(const uint8_t *src, int srcStride, uint32_t *dst,
+                         int sw, int sh, int64_t base, int64_t stepX, int64_t stepY) {
+  for (int ty = 0; ty < sh; ty += TILE) {
+    int yEnd = ty + TILE < sh ? ty + TILE : sh;
+    for (int tx = 0; tx < sw; tx += TILE) {
+      int xEnd = tx + TILE < sw ? tx + TILE : sw;
+      for (int sy = ty; sy < yEnd; sy++) {
+        const uint32_t *srcRow = (const uint32_t *) (src + (size_t) sy * srcStride);
+        int64_t idx = base + (int64_t) sy * stepY + (int64_t) tx * stepX;
+        for (int sx = tx; sx < xEnd; sx++) {
+          dst[idx] = srcRow[sx];
+          idx += stepX;
+        }
+      }
+    }
+  }
+}
+
+// Rotates an RGBA_8888 bitmap to the given EXIF orientation into a freshly malloc'd buffer (free it
+// via NativeBuffer.free). Fills outInfo with {width, height, rowBytes} and returns the buffer
+// address, or 0 if the bitmap can't be handled (e.g. a non-8888 format) so the caller can fall back.
+JNIEXPORT jlong JNICALL
+Java_app_alextran_immich_NativeImage_rotate(
+    JNIEnv *env, jclass clazz, jobject bitmap, jint orientation, jintArray outInfo) {
+  AndroidBitmapInfo info;
+  if (AndroidBitmap_getInfo(env, bitmap, &info) != ANDROID_BITMAP_RESULT_SUCCESS) {
+    return 0;
+  }
+  if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888) {
+    return 0;
+  }
+
+  int sw = (int) info.width;
+  int sh = (int) info.height;
+  int dw = swaps_dims(orientation) ? sh : sw;
+  int dh = swaps_dims(orientation) ? sw : sh;
+
+  uint32_t *dst = (uint32_t *) malloc((size_t) dw * dh * 4);
+  if (dst == NULL) {
+    return 0;
+  }
+
+  void *srcPixels = NULL;
+  if (AndroidBitmap_lockPixels(env, bitmap, &srcPixels) != ANDROID_BITMAP_RESULT_SUCCESS) {
+    free(dst);
+    return 0;
+  }
+
+  int64_t base, stepX, stepY;
+  affine_for(orientation, sw, sh, dw, &base, &stepX, &stepY);
+  rotate_tiled((const uint8_t *) srcPixels, (int) info.stride, dst, sw, sh, base, stepX, stepY);
+
+  AndroidBitmap_unlockPixels(env, bitmap);
+
+  jint dims[3] = {dw, dh, dw * 4};
+  (*env)->SetIntArrayRegion(env, outInfo, 0, 3, dims);
+  // Keep ownership in C until the buffer is safely handed back: if outInfo was somehow too small,
+  // SetIntArrayRegion left a pending exception and Kotlin will never receive (or free) dst.
+  if ((*env)->ExceptionCheck(env)) {
+    free(dst);
+    return 0;
+  }
+  return (jlong) dst;
+}
@@ -0,0 +1,19 @@
+package app.alextran.immich
+
+import android.graphics.Bitmap
+
+object NativeImage {
+  init {
+    // rotate() is compiled into the native_buffer shared lib (which already links jnigraphics).
+    System.loadLibrary("native_buffer")
+  }
+
+  /**
+   * Rotates an RGBA_8888 [bitmap] to the given EXIF [orientation], writing the result into a freshly
+   * malloc'd native buffer. Returns the buffer address (free it with [NativeBuffer.free]) and fills
+   * [outInfo] with {width, height, rowBytes}. Returns 0 when the bitmap can't be handled (e.g. a
+   * non-8888 config) so the caller can fall back.
+   */
+  @JvmStatic
+  external fun rotate(bitmap: Bitmap, orientation: Int, outInfo: IntArray): Long
+}
@@ -12,7 +12,9 @@ import android.provider.MediaStore.Images
 import android.provider.MediaStore.Video
 import android.util.Size
 import androidx.annotation.RequiresApi
+import androidx.exifinterface.media.ExifInterface
 import app.alextran.immich.NativeBuffer
+import app.alextran.immich.NativeImage
 import kotlin.math.*
 import java.io.IOException
 import java.util.concurrent.Executors
@@ -181,35 +183,88 @@ class LocalImagesImpl(context: Context) : LocalImageApi {
    val id = assetId.toLong()

    signal.throwIfCanceled()
-    val bitmap = if (isVideo) {
-      decodeVideoThumbnail(id, size, signal)
-    } else {
-      decodeImage(id, size, signal)
-    }
-
    try {
-      signal.throwIfCanceled()
-      val res = bitmap.toNativeBuffer()
-      signal.throwIfCanceled()
+      val res = if (isVideo) {
+        decodeVideoThumbnail(id, size, signal).toNativeBuffer()
+      } else {
+        val (bitmap, orientation) = decodeImage(id, size, signal)
+        signal.throwIfCanceled()
+        if (orientation == ExifInterface.ORIENTATION_NORMAL || orientation == ExifInterface.ORIENTATION_UNDEFINED) {
+          bitmap.toNativeBuffer()
+        } else {
+          rotateToNativeBuffer(bitmap, orientation, signal)
+        }
+      }
+      // Don't re-check cancellation here: res owns a malloc'd buffer, and bailing to CANCELLED would
+      // orphan it. Deliver it; Dart frees the buffer itself if the request was cancelled meanwhile.
      callback(Result.success(res))
    } catch (e: Exception) {
      callback(if (e is OperationCanceledException) CANCELLED else Result.failure(e))
    }
  }

-  private fun decodeImage(id: Long, size: Size, signal: CancellationSignal): Bitmap {
+  // Returns the decoded bitmap plus the EXIF orientation that still needs applying. Only Q+ raw
+  // decodes come back unrotated (ImageDecoder / loadThumbnail skip EXIF for raw like DNG); every
+  // other path already orients itself, so it reports ORIENTATION_NORMAL.
+  private fun decodeImage(id: Long, size: Size, signal: CancellationSignal): Pair<Bitmap, Int> {
    signal.throwIfCanceled()
    val uri = ContentUris.withAppendedId(Images.Media.EXTERNAL_CONTENT_URI, id)
+    val handleRaw = Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q && isRawMime(uri)
+    val orientation = if (handleRaw) rawOrientation(uri) else ExifInterface.ORIENTATION_NORMAL
+
    if (size.width <= 0 || size.height <= 0 || size.width > 768 || size.height > 768) {
-      return decodeSource(uri, size, signal)
+      // A "load original" request is unsized -> a full-res decode (a sized > 768 just samples to target).
+      return decodeSource(uri, size, signal) to orientation
    }

-    return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+    val bitmap = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
      resolver.loadThumbnail(uri, size, signal)
    } else {
      signal.setOnCancelListener { Images.Thumbnails.cancelThumbnailRequest(resolver, id) }
      Images.Thumbnails.getThumbnail(resolver, id, Images.Thumbnails.MINI_KIND, OPTIONS)
    }
+    return bitmap to orientation
+  }
+
+  private fun isRawMime(uri: Uri): Boolean {
+    val mime = resolver.getType(uri) ?: return false
+    return mime.startsWith("image/x-") || mime == "image/dng"
+  }
+
+  private fun rawOrientation(uri: Uri): Int {
+    return resolver.openInputStream(uri)?.use {
+      ExifInterface(it).getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL)
+    } ?: ExifInterface.ORIENTATION_NORMAL
+  }
+
+  // ImageDecoder / loadThumbnail skip EXIF orientation for raw (e.g. DNG) on Q+, so the decoded
+  // bitmap comes back unrotated. Rotate it into the output buffer in native code (one pass, no
+  // intermediate rotated bitmap).
+  private fun rotateToNativeBuffer(bitmap: Bitmap, orientation: Int, signal: CancellationSignal): Map<String, Long> {
+    signal.throwIfCanceled()
+    // Force ARGB_8888: the native rotate needs a lockable 8888 buffer, and toNativeBuffer() below
+    // allocates width*height*4 (an F16/HDR decode would otherwise under-allocate). No-op for the
+    // common already-8888 case.
+    val src = if (bitmap.config != Bitmap.Config.ARGB_8888) {
+      val converted = bitmap.copy(Bitmap.Config.ARGB_8888, false)
+      bitmap.recycle()
+      converted ?: throw IOException("could not convert bitmap to ARGB_8888")
+    } else {
+      bitmap
+    }
+    try {
+      val info = IntArray(3)
+      val pointer = NativeImage.rotate(src, orientation, info)
+      if (pointer == 0L) throw IOException("native rotate failed for orientation $orientation")
+      return mapOf(
+        "pointer" to pointer,
+        "width" to info[0].toLong(),
+        "height" to info[1].toLong(),
+        "rowBytes" to info[2].toLong()
+      )
+    } finally {
+      if (!src.isRecycled) src.recycle()
+    }
  }

  private fun decodeVideoThumbnail(id: Long, target: Size, signal: CancellationSignal): Bitmap {
@@ -9,8 +9,6 @@ enum SortOrder {

 enum TextSearchType { context, filename, description, ocr }

-enum AssetVisibilityEnum { timeline, hidden, archive, locked }
-
 enum ActionSource { timeline, viewer }

 enum ShareAssetType { original, preview }
@@ -52,6 +52,8 @@ class RemoteAsset extends BaseAsset {

  bool get isTrashed => deletedAt != null;

+  bool get isStacked => stackId != null;
+
  @override
  String toString() {
    return '''Asset {
@@ -182,18 +182,6 @@ class TimelineService {
    return _buffer.slice(start, start + count);
  }

-  /// Reads a range without disturbing the buffer; queries the source if it isn't resident.
-  Future<List<BaseAsset>> getAssetsRange(int index, int count) async {
-    if (index < 0 || count <= 0 || index >= _totalAssets) {
-      return const [];
-    }
-    final clamped = math.min(count, _totalAssets - index);
-    if (hasRange(index, clamped)) {
-      return getAssets(index, clamped);
-    }
-    return _assetSource(index, clamped);
-  }
-
  // Preload assets around the given index for asset viewer
  Future<void> preloadAssets(int index) => _mutex.run(() => _loadAssets(index, math.min(5, _totalAssets - index)));

@@ -10,6 +10,7 @@ import 'package:immich_mobile/infrastructure/entities/remote_asset.entity.dart';
 import 'package:immich_mobile/infrastructure/entities/remote_asset.entity.drift.dart';
 import 'package:immich_mobile/infrastructure/entities/stack.entity.drift.dart';
 import 'package:immich_mobile/infrastructure/repositories/db.repository.dart';
+import 'package:immich_mobile/utils/option.dart';
 import 'package:maplibre_gl/maplibre_gl.dart';

 class RemoteAssetRepository extends DriftDatabaseRepository {
@@ -286,4 +287,20 @@ class RemoteAssetRepository extends DriftDatabaseRepository {
      ..orderBy([(row) => OrderingTerm.asc(row.sequence)]);
    return query.map((row) => row.toDto()!).get();
  }
+
+  Future<void> update(
+    List<String> remoteIds, {
+    Option<bool> isFavorite = const .none(),
+    Option<AssetVisibility> visibility = const .none(),
+  }) {
+    final companion = RemoteAssetEntityCompanion(
+      visibility: visibility.toDriftValue(),
+      isFavorite: isFavorite.toDriftValue(),
+    );
+    return _db.batch((batch) {
+      for (final remoteId in remoteIds) {
+        batch.update(_db.remoteAssetEntity, companion, where: (e) => e.id.equals(remoteId));
+      }
+    });
+  }
 }
@@ -3,25 +3,29 @@ import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
 import 'package:immich_mobile/generated/translations.g.dart';
 import 'package:immich_mobile/presentation/actions/action.dart';
 import 'package:immich_mobile/providers/infrastructure/asset.provider.dart';
+import 'package:immich_mobile/utils/asset_filter.dart';
 import 'package:immich_ui/immich_ui.dart';

 class FavoriteAction extends AssetAction<RemoteAsset> {
-  final bool shouldFavorite;
+  final bool favorite;

-  FavoriteAction({required super.assets}) : shouldFavorite = assets.any((asset) => !asset.isFavorite);
+  FavoriteAction({required super.assets}) : favorite = assets.any((asset) => !asset.isFavorite);

  @override
-  IconData get icon => shouldFavorite ? Icons.favorite_border_rounded : Icons.favorite_rounded;
+  IconData get icon => favorite ? Icons.favorite_border_rounded : Icons.favorite_rounded;

  @override
-  String label(ActionScope scope) => shouldFavorite ? scope.context.t.favorite : scope.context.t.unfavorite;
+  String label(ActionScope scope) => favorite ? scope.context.t.favorite : scope.context.t.unfavorite;

  @override
-  Iterable<RemoteAsset> filter(ActionScope scope) => assets
-      .where(
-        (asset) => asset is RemoteAsset && asset.ownerId == scope.authUser.id && asset.isFavorite == !shouldFavorite,
-      )
-      .cast<RemoteAsset>();
+  Iterable<RemoteAsset> filter(ActionScope scope) {
+    final owned = AssetFilter(assets).owned(scope.authUser.id);
+    if (favorite) {
+      return owned.notFavorites();
+    } else {
+      return owned.favorites();
+    }
+  }

  @override
  bool isVisible(ActionScope scope) => filter(scope).isNotEmpty;
@@ -31,8 +35,8 @@ class FavoriteAction extends AssetAction<RemoteAsset> {
    final ActionScope(:ref) = scope;
    final assets = filter(scope).map((asset) => asset.id).toList(growable: false);

-    await ref.read(assetServiceProvider).updateFavorite(assets, shouldFavorite);
-    final message = shouldFavorite
+    await ref.read(assetServiceProvider).updateFavorite(assets, favorite);
+    final message = favorite
        ? StaticTranslations.instance.favorite_action_prompt(count: assets.length)
        : StaticTranslations.instance.unfavorite_action_prompt(count: assets.length);
    snackbar.success(message);
@@ -1,175 +0,0 @@
-import 'dart:collection';
-
-import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
-
-// Tracks the [anchor..current] range selected by a drag. The in-buffer part of
-// each tick is selected synchronously so it follows the finger without racing;
-// the rare beyond-buffer part is read async (applied only if still in range) and
-// [end] reads whatever is still missing so the final range always lands.
-class DragSelectionController {
-  DragSelectionController({required this.getAssetSafe, required this.getAssetsRange, required this.onChange});
-
-  final BaseAsset? Function(int index) getAssetSafe;
-  final Future<List<BaseAsset>> Function(int index, int count) getAssetsRange;
-  final void Function(Set<BaseAsset> select, Set<BaseAsset> deselect) onChange;
-
-  final HashMap<int, BaseAsset> _selected = HashMap();
-  // Indices the buffer didn't hold yet (the edge outran the async buffer-load on a
-  // fast scroll); read in by _extendPending and guaranteed by end().
-  final Set<int> _pending = {};
-  int? _anchor;
-  int? _lo;
-  int? _hi;
-  bool _disposed = false;
-
-  // Call before starting a new drag so a previous drag's in-flight read can't
-  // leak into the new selection.
-  void dispose() => _disposed = true;
-
-  void _emit(Set<BaseAsset> select, Set<BaseAsset> deselect) {
-    if (_disposed) {
-      return;
-    }
-    onChange(select, deselect);
-  }
-
-  void start(int anchor) {
-    _selected.clear();
-    _pending.clear();
-    _anchor = anchor;
-    _lo = anchor;
-    _hi = anchor;
-    _select(anchor);
-    _extendPending();
-  }
-
-  void enter(int current) {
-    final anchor = _anchor;
-    if (anchor == null || _lo == null || _hi == null) {
-      return;
-    }
-    final ns = current < anchor ? current : anchor;
-    final ne = current < anchor ? anchor : current;
-    final ps = _lo!;
-    final pe = _hi!;
-    if (ns == ps && ne == pe) {
-      return;
-    }
-
-    final toSelect = <BaseAsset>{};
-    final toDeselect = <BaseAsset>{};
-
-    _forEach(ps, ns - 1, (k) => _removeIndex(k, toDeselect));
-    _forEach(ne + 1, pe, (k) => _removeIndex(k, toDeselect));
-    _forEach(ns, ps - 1, (k) => _addIndex(k, toSelect));
-    _forEach(pe + 1, ne, (k) => _addIndex(k, toSelect));
-
-    _lo = ns;
-    _hi = ne;
-
-    if (toSelect.isNotEmpty || toDeselect.isNotEmpty) {
-      _emit(toSelect, toDeselect);
-    }
-    _extendPending();
-  }
-
-  Future<void> end() async {
-    final lo = _lo;
-    final hi = _hi;
-    if (lo == null || hi == null) {
-      return;
-    }
-    final missing = <int>[];
-    for (var k = lo; k <= hi; k++) {
-      if (!_selected.containsKey(k)) {
-        missing.add(k);
-      }
-    }
-    if (missing.isEmpty) {
-      return;
-    }
-    final from = missing.first;
-    final assets = await getAssetsRange(from, missing.last - from + 1);
-    final missingSet = missing.toSet();
-    final toSelect = <BaseAsset>{};
-    for (var i = 0; i < assets.length; i++) {
-      final idx = from + i;
-      if (missingSet.contains(idx) && !_selected.containsKey(idx)) {
-        _selected[idx] = assets[i];
-        _pending.remove(idx);
-        toSelect.add(assets[i]);
-      }
-    }
-    if (toSelect.isNotEmpty) {
-      _emit(toSelect, const {});
-    }
-  }
-
-  void _select(int index) {
-    final asset = getAssetSafe(index);
-    if (asset != null) {
-      _selected[index] = asset;
-      _pending.remove(index);
-      _emit({asset}, const {});
-    } else {
-      _pending.add(index);
-    }
-  }
-
-  void _addIndex(int index, Set<BaseAsset> toSelect) {
-    if (_selected.containsKey(index)) {
-      return;
-    }
-    final asset = getAssetSafe(index);
-    if (asset != null) {
-      _selected[index] = asset;
-      _pending.remove(index);
-      toSelect.add(asset);
-    } else {
-      _pending.add(index);
-    }
-  }
-
-  void _removeIndex(int index, Set<BaseAsset> toDeselect) {
-    _pending.remove(index);
-    final asset = _selected.remove(index);
-    if (asset != null) {
-      toDeselect.add(asset);
-    }
-  }
-
-  Future<void> _extendPending() async {
-    if (_pending.isEmpty) {
-      return;
-    }
-    var from = _pending.first;
-    var to = _pending.first;
-    for (final k in _pending) {
-      if (k < from) {
-        from = k;
-      }
-      if (k > to) {
-        to = k;
-      }
-    }
-    final assets = await getAssetsRange(from, to - from + 1);
-    final toSelect = <BaseAsset>{};
-    for (var i = 0; i < assets.length; i++) {
-      final idx = from + i;
-      if (_pending.contains(idx) && _lo != null && idx >= _lo! && idx <= _hi!) {
-        _selected[idx] = assets[i];
-        toSelect.add(assets[i]);
-      }
-    }
-    _pending.removeWhere((idx) => _selected.containsKey(idx));
-    if (toSelect.isNotEmpty) {
-      _emit(toSelect, const {});
-    }
-  }
-
-  void _forEach(int lo, int hi, void Function(int) fn) {
-    for (var k = lo; k <= hi; k++) {
-      fn(k);
-    }
-  }
-}
@@ -1,4 +1,5 @@
 import 'dart:async';
+import 'dart:collection';
 import 'dart:math' as math;

 import 'package:collection/collection.dart';
@@ -7,6 +8,7 @@ import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
 import 'package:immich_mobile/domain/models/events.model.dart';
 import 'package:immich_mobile/domain/models/timeline.model.dart';
 import 'package:immich_mobile/domain/utils/event_stream.dart';
@@ -18,7 +20,6 @@ import 'package:immich_mobile/presentation/widgets/timeline/constants.dart';
 import 'package:immich_mobile/presentation/widgets/timeline/scrubber.widget.dart';
 import 'package:immich_mobile/presentation/widgets/timeline/segment.model.dart';
 import 'package:immich_mobile/presentation/widgets/timeline/timeline.state.dart';
-import 'package:immich_mobile/presentation/widgets/timeline/drag_selection_controller.dart';
 import 'package:immich_mobile/presentation/widgets/timeline/timeline_drag_region.dart';
 import 'package:immich_mobile/providers/infrastructure/readonly_mode.provider.dart';
 import 'package:immich_mobile/providers/infrastructure/settings.provider.dart';
@@ -28,27 +29,6 @@ import 'package:immich_mobile/widgets/common/immich_sliver_app_bar.dart';
 import 'package:immich_mobile/widgets/common/mesmerizing_sliver_app_bar.dart';
 import 'package:immich_mobile/widgets/common/selection_sliver_app_bar.dart';

-// First asset index of the row shown at [offset]. Pure for testing.
-@visibleForTesting
-int? assetIndexAtOffset(
-  List<Segment> segments,
-  double offset, {
-  required int columnCount,
-  required double maxScrollExtent,
-}) {
-  final clamped = offset.clamp(0.0, maxScrollExtent);
-  final segment = segments.findByOffset(clamped) ?? segments.lastOrNull;
-  if (segment == null) {
-    return null;
-  }
-  final rowIndex = segment.getMinChildIndexForScrollOffset(clamped);
-  if (rowIndex > segment.firstIndex) {
-    final rowIndexInSegment = rowIndex - (segment.firstIndex + 1);
-    return segment.firstAssetIndex + rowIndexInSegment * columnCount;
-  }
-  return segment.firstAssetIndex;
-}
-
 class Timeline extends StatelessWidget {
  const Timeline({
    super.key,
@@ -160,10 +140,9 @@ class _SliverTimelineState extends ConsumerState<_SliverTimeline> {
  StreamSubscription? _eventSubscription;

  // Drag selection state
-  static const _autoScrollStep = 175.0;
-  static const _autoScrollDuration = Duration(milliseconds: 125);
  bool _dragging = false;
-  DragSelectionController? _dragController;
+  TimelineAssetIndex? _dragAnchorIndex;
+  final Set<BaseAsset> _draggedAssets = HashSet();
  ScrollPhysics? _scrollPhysics;

  int _perRow = 4;
@@ -247,18 +226,26 @@ class _SliverTimelineState extends ConsumerState<_SliverTimeline> {
    EventStream.shared.emit(MultiSelectToggleEvent(isEnabled));
  }

-  int? _getCurrentAssetIndex(List<Segment> segments) => _assetIndexAtOffset(segments, _scrollController.offset);
-
-  int? _assetIndexAtOffset(List<Segment> segments, double offset) => assetIndexAtOffset(
-    segments,
-    offset,
-    columnCount: ref.read(timelineArgsProvider).columnCount,
-    maxScrollExtent: _scrollController.position.maxScrollExtent,
-  );
+  int? _getCurrentAssetIndex(List<Segment> segments) {
+    final currentOffset = _scrollController.offset.clamp(0.0, _scrollController.position.maxScrollExtent);
+    final segment = segments.findByOffset(currentOffset) ?? segments.lastOrNull;
+    int? targetAssetIndex;
+    if (segment != null) {
+      final rowIndex = segment.getMinChildIndexForScrollOffset(currentOffset);
+      if (rowIndex > segment.firstIndex) {
+        final rowIndexInSegment = rowIndex - (segment.firstIndex + 1);
+        final assetsPerRow = ref.read(timelineArgsProvider).columnCount;
+        final assetIndexInSegment = rowIndexInSegment * assetsPerRow;
+        targetAssetIndex = segment.firstAssetIndex + assetIndexInSegment;
+      } else {
+        targetAssetIndex = segment.firstAssetIndex;
+      }
+    }
+    return targetAssetIndex;
+  }

  @override
  void dispose() {
-    _dragController?.dispose();
    _scrollController.dispose();
    _eventSubscription?.cancel();
    super.dispose();
@@ -308,21 +295,9 @@ class _SliverTimelineState extends ConsumerState<_SliverTimeline> {

  // Drag selection methods
  void _setDragStartIndex(TimelineAssetIndex index) {
-    // Stop the old drag's controller so its in-flight read can't leak into this one.
-    _dragController?.dispose();
-    final timelineService = ref.read(timelineServiceProvider);
-    _dragController = DragSelectionController(
-      getAssetSafe: timelineService.getAssetSafe,
-      getAssetsRange: timelineService.getAssetsRange,
-      onChange: (select, deselect) {
-        if (!mounted) {
-          return;
-        }
-        ref.read(multiSelectProvider.notifier).selectRange(select, deselect);
-      },
-    )..start(index.assetIndex);
    setState(() {
      _scrollPhysics = const ClampingScrollPhysics();
+      _dragAnchorIndex = index;
      _dragging = true;
    });
  }
@@ -338,12 +313,8 @@ class _SliverTimelineState extends ConsumerState<_SliverTimeline> {
    });
    setState(() {
      _dragging = false;
+      _draggedAssets.clear();
    });
-    // Apply the full final range even if a read is still in flight on lift.
-    final finishing = _dragController?.end();
-    if (finishing != null) {
-      unawaited(finishing);
-    }
    final timelineState = ref.read(timelineStateProvider.notifier);
    Future.delayed(const Duration(milliseconds: 300), () {
      timelineState.setScrolling(false);
@@ -351,33 +322,42 @@ class _SliverTimelineState extends ConsumerState<_SliverTimeline> {
  }

  void _dragScroll(ScrollDirection direction) {
-    final position = _scrollController.position;
-    final step = direction == ScrollDirection.forward ? _autoScrollStep : -_autoScrollStep;
-    final target = (_scrollController.offset + step).clamp(0.0, position.maxScrollExtent);
-    _scrollController.animateTo(target, duration: _autoScrollDuration, curve: Curves.easeOut);
-
-    // A held finger emits no move events, so extend the selection to the asset
-    // at the leading edge of the scroll instead.
-    final controller = _dragController;
-    if (controller == null) {
-      return;
-    }
-    final segments = ref.read(timelineSegmentProvider).valueOrNull;
-    if (segments == null) {
-      return;
-    }
-    final edgeOffset = direction == ScrollDirection.forward ? target + position.viewportDimension : target;
-    final edgeIndex = _assetIndexAtOffset(segments, edgeOffset);
-    if (edgeIndex != null) {
-      controller.enter(edgeIndex);
-    }
+    _scrollController.animateTo(
+      _scrollController.offset + (direction == ScrollDirection.forward ? 175 : -175),
+      duration: const Duration(milliseconds: 125),
+      curve: Curves.easeOut,
+    );
  }

  void _handleDragAssetEnter(TimelineAssetIndex index) {
-    if (!_dragging) {
+    if (_dragAnchorIndex == null || !_dragging) {
      return;
    }
-    _dragController?.enter(index.assetIndex);
+
+    final timelineService = ref.read(timelineServiceProvider);
+    final dragAnchorIndex = _dragAnchorIndex!;
+
+    // Calculate the range of assets to select
+    final startIndex = math.min(dragAnchorIndex.assetIndex, index.assetIndex);
+    final endIndex = math.max(dragAnchorIndex.assetIndex, index.assetIndex);
+    final count = endIndex - startIndex + 1;
+
+    // Load the assets in the range
+    if (timelineService.hasRange(startIndex, count)) {
+      final selectedAssets = timelineService.getAssets(startIndex, count);
+
+      // Clear previous drag selection and add new range
+      final multiSelectNotifier = ref.read(multiSelectProvider.notifier);
+      for (final asset in _draggedAssets) {
+        multiSelectNotifier.deselectAsset(asset);
+      }
+      _draggedAssets.clear();
+
+      for (final asset in selectedAssets) {
+        multiSelectNotifier.selectAsset(asset);
+        _draggedAssets.add(asset);
+      }
+    }
  }

  @override
@@ -0,0 +1,4 @@
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/repositories/toast.repository.dart';
+
+final toastRepositoryProvider = Provider<ToastRepository>((ref) => const .new());
@@ -97,15 +97,6 @@ class MultiSelectNotifier extends Notifier<MultiSelectState> {
    }
  }

-  // Drops the previous drag range and adds the new one in a single update. The
-  // full-set copy per drag tick is the accepted cost of immutable state.
-  void selectRange(Set<BaseAsset> toSelect, Set<BaseAsset> toDeselect) {
-    final selectedAssets = state.selectedAssets.toSet()
-      ..removeAll(toDeselect)
-      ..addAll(toSelect);
-    state = state.copyWith(selectedAssets: selectedAssets);
-  }
-
  void reset() {
    state = const MultiSelectState(selectedAssets: {}, lockedSelectionAssets: {}, forceEnable: false);
  }
@@ -1,12 +1,14 @@
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:http/http.dart';
-import 'package:immich_mobile/constants/enums.dart';
+import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
 import 'package:immich_mobile/domain/models/asset_edit.model.dart' hide AssetEditAction;
 import 'package:immich_mobile/domain/models/stack.model.dart';
 import 'package:immich_mobile/providers/api.provider.dart';
 import 'package:immich_mobile/repositories/api.repository.dart';
+import 'package:immich_mobile/utils/option.dart';
 import 'package:maplibre_gl/maplibre_gl.dart';
-import 'package:openapi/api.dart';
+import 'package:openapi/api.dart' as api show AssetVisibility;
+import 'package:openapi/api.dart' hide AssetVisibility;

 final assetApiRepositoryProvider = Provider(
  (ref) => AssetApiRepository(
@@ -41,7 +43,7 @@ class AssetApiRepository extends ApiRepository {
    return response?.count ?? 0;
  }

-  Future<void> updateVisibility(List<String> ids, AssetVisibilityEnum visibility) async {
+  Future<void> updateVisibility(List<String> ids, AssetVisibility visibility) async {
    return _api.updateAssets(AssetBulkUpdateDto(ids: ids, visibility: Optional.present(_mapVisibility(visibility))));
  }

@@ -77,11 +79,11 @@ class AssetApiRepository extends ApiRepository {
    return _api.downloadAssetWithHttpInfo(id, edited: edited);
  }

-  _mapVisibility(AssetVisibilityEnum visibility) => switch (visibility) {
-    AssetVisibilityEnum.timeline => AssetVisibility.timeline,
-    AssetVisibilityEnum.hidden => AssetVisibility.hidden,
-    AssetVisibilityEnum.locked => AssetVisibility.locked,
-    AssetVisibilityEnum.archive => AssetVisibility.archive,
+  api.AssetVisibility _mapVisibility(AssetVisibility visibility) => switch (visibility) {
+    AssetVisibility.timeline => api.AssetVisibility.timeline,
+    AssetVisibility.hidden => api.AssetVisibility.hidden,
+    AssetVisibility.locked => api.AssetVisibility.locked,
+    AssetVisibility.archive => api.AssetVisibility.archive,
  };

  Future<String?> getAssetMIMEType(String assetId) async {
@@ -106,6 +108,20 @@ class AssetApiRepository extends ApiRepository {
  Future<void> removeEdits(String assetId) async {
    return _api.removeAssetEdits(assetId);
  }
+
+  Future<void> update(
+    List<String> remoteIds, {
+    Option<bool> isFavorite = const .none(),
+    Option<AssetVisibility> visibility = const .none(),
+  }) {
+    return _api.updateAssets(
+      AssetBulkUpdateDto(
+        ids: remoteIds,
+        isFavorite: isFavorite.toOptional(),
+        visibility: visibility.map(_mapVisibility).toOptional(),
+      ),
+    );
+  }
 }

 extension on StackResponseDto {
@@ -0,0 +1,26 @@
+import 'dart:async';
+
+import 'package:immich_ui/immich_ui.dart';
+
+class ToastOption {
+  final Duration? timeout;
+  final FutureOr<void> Function()? onUndo;
+
+  const ToastOption({this.timeout, this.onUndo});
+}
+
+class ToastRepository {
+  const ToastRepository();
+
+  FutureOr<void> success(String message, {ToastOption? toast}) {
+    snackbar.success(message, duration: toast?.timeout);
+  }
+
+  FutureOr<void> info(String message, {ToastOption? toast}) {
+    snackbar.info(message, duration: toast?.timeout);
+  }
+
+  FutureOr<void> error(String message, {ToastOption? toast}) {
+    snackbar.error(message, duration: toast?.timeout);
+  }
+}
@@ -79,17 +79,17 @@ class ActionService {
  }

  Future<void> archive(List<String> remoteIds) async {
-    await _assetApiRepository.updateVisibility(remoteIds, AssetVisibilityEnum.archive);
+    await _assetApiRepository.updateVisibility(remoteIds, .archive);
    await _remoteAssetRepository.updateVisibility(remoteIds, AssetVisibility.archive);
  }

  Future<void> unArchive(List<String> remoteIds) async {
-    await _assetApiRepository.updateVisibility(remoteIds, AssetVisibilityEnum.timeline);
+    await _assetApiRepository.updateVisibility(remoteIds, .timeline);
    await _remoteAssetRepository.updateVisibility(remoteIds, AssetVisibility.timeline);
  }

  Future<void> moveToLockFolder(List<String> remoteIds, List<String> localIds) async {
-    await _assetApiRepository.updateVisibility(remoteIds, AssetVisibilityEnum.locked);
+    await _assetApiRepository.updateVisibility(remoteIds, .locked);
    await _remoteAssetRepository.updateVisibility(remoteIds, AssetVisibility.locked);

    // Ask user if they want to delete local copies
@@ -99,7 +99,7 @@ class ActionService {
  }

  Future<void> removeFromLockFolder(List<String> remoteIds) async {
-    await _assetApiRepository.updateVisibility(remoteIds, AssetVisibilityEnum.timeline);
+    await _assetApiRepository.updateVisibility(remoteIds, .timeline);
    await _remoteAssetRepository.updateVisibility(remoteIds, AssetVisibility.timeline);
  }

@@ -0,0 +1,28 @@
+import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
+
+extension type const AssetFilter<T extends BaseAsset>(Iterable<T> assets) implements Iterable<T> {
+  AssetFilter<T> where(bool Function(T asset) test) => AssetFilter(assets.where(test));
+  AssetFilter<T> whereNot(bool Function(T asset) test) => AssetFilter(assets.where((asset) => !test(asset)));
+
+  AssetFilter<T> type(AssetType type) => where((asset) => asset.type == type);
+  AssetFilter<T> favorites() => where(_isFavorite);
+  AssetFilter<T> notFavorites() => whereNot(_isFavorite);
+
+  AssetFilter<RemoteAsset> remote() => AssetFilter(assets.whereType<RemoteAsset>());
+  AssetFilter<RemoteAsset> owned(String ownerId) => remote().where((asset) => asset.ownerId == ownerId);
+  AssetFilter<RemoteAsset> visibility(AssetVisibility visibility) => remote().where(_hasVisibility(visibility));
+  AssetFilter<RemoteAsset> notVisibility(AssetVisibility visibility) => remote().whereNot(_hasVisibility(visibility));
+  AssetFilter<RemoteAsset> archived() => visibility(.archive);
+  AssetFilter<RemoteAsset> notArchived() => notVisibility(.archive);
+  AssetFilter<RemoteAsset> stacked() => remote().where(_isStacked);
+  AssetFilter<RemoteAsset> notStacked() => remote().whereNot(_isStacked);
+
+  AssetFilter<LocalAsset> local() => AssetFilter(assets.whereType<LocalAsset>());
+  AssetFilter<LocalAsset> backedUp() => local().where(_isBackedUp);
+}
+
+bool _isFavorite(BaseAsset asset) => asset.isFavorite;
+bool _isStacked(RemoteAsset asset) => asset.isStacked;
+bool _isBackedUp(LocalAsset asset) => asset.remoteAssetId != null;
+bool Function(RemoteAsset asset) _hasVisibility(AssetVisibility visibility) =>
+    (asset) => asset.visibility == visibility;
@@ -1,3 +1,4 @@
+import 'package:drift/drift.dart';
 import 'package:openapi/api.dart' show Optional;

 sealed class Option<T> {
@@ -21,6 +22,11 @@ sealed class Option<T> {
    None() => null,
  };

+  Option<U> map<U>(U Function(T value) f) => switch (this) {
+    Some(:final value) => Some(f(value)),
+    None() => None<U>(),
+  };
+
  U fold<U>(U Function(T value) onSome, U Function() onNone) => switch (this) {
    Some(:final value) => onSome(value),
    None() => onNone(),
@@ -65,3 +71,10 @@ extension OptionToOptional<T> on Option<T> {
    Some(:final value) => Optional.present(value),
  };
 }
+
+extension OptionToDriftValue<T> on Option<T> {
+  Value<T> toDriftValue() => switch (this) {
+    Some(:final value) => Value(value),
+    None() => const Value.absent(),
+  };
+}
@@ -6,18 +6,23 @@ final scaffoldMessengerKey = GlobalKey<ScaffoldMessengerState>();
 class SnackbarManager {
  const SnackbarManager();

-  ScaffoldFeatureController<SnackBar, SnackBarClosedReason>? show(String message, SnackbarType type) {
+  ScaffoldFeatureController<SnackBar, SnackBarClosedReason>? show(
+    String message,
+    SnackbarType type, {
+    Duration? duration,
+  }) {
    final messenger = scaffoldMessengerKey.currentState;
    final context = scaffoldMessengerKey.currentContext;
    if (messenger == null || context == null) {
      return null;
    }

+    duration ??= const .new(seconds: 4);
    messenger.hideCurrentSnackBar();
-    return messenger.showSnackBar(_build(context, message, type));
+    return messenger.showSnackBar(_build(context, message, type, duration));
  }

-  SnackBar _build(BuildContext context, String message, SnackbarType type) {
+  SnackBar _build(BuildContext context, String message, SnackbarType type, Duration duration) {
    final theme = Theme.of(context);
    final colors = theme.extension<ImmichColors>() ?? ImmichColors.harmonized(theme.colorScheme);
    final (IconData icon, Color background, Color foreground) = switch (type) {
@@ -29,7 +34,7 @@ class SnackbarManager {
    return SnackBar(
      behavior: .floating,
      backgroundColor: background,
-      duration: const .new(seconds: 4),
+      duration: duration,
      shape: const RoundedRectangleBorder(borderRadius: .all(.circular(ImmichRadius.sm))),
      content: Row(
        children: [
@@ -48,11 +53,14 @@ class SnackbarManager {
    );
  }

-  ScaffoldFeatureController<SnackBar, SnackBarClosedReason>? info(String message) => show(message, .info);
+  ScaffoldFeatureController<SnackBar, SnackBarClosedReason>? info(String message, {Duration? duration}) =>
+      show(message, .info, duration: duration);

-  ScaffoldFeatureController<SnackBar, SnackBarClosedReason>? success(String message) => show(message, .success);
+  ScaffoldFeatureController<SnackBar, SnackBarClosedReason>? success(String message, {Duration? duration}) =>
+      show(message, .success, duration: duration);

-  ScaffoldFeatureController<SnackBar, SnackBarClosedReason>? error(String message) => show(message, .error);
+  ScaffoldFeatureController<SnackBar, SnackBarClosedReason>? error(String message, {Duration? duration}) =>
+      show(message, .error, duration: duration);
 }

 const snackbar = SnackbarManager();
@@ -0,0 +1,13 @@
+import 'dart:async';
+
+import 'package:easy_localization/easy_localization.dart';
+import 'package:flutter/foundation.dart';
+import 'package:logging/logging.dart';
+
+Future<void> testExecutable(FutureOr<void> Function() testMain) async {
+  Logger.root.level = Level.OFF;
+  EasyLocalization.logger.enableBuildModes = [];
+  // ignore: banned-usage
+  debugPrint = (String? message, {int? wrapWidth}) {};
+  return testMain();
+}
@@ -1,5 +1,4 @@
@Skip('Flaky test, needs investigation')
-@Tags(['widget'])
 library;

 import 'package:drift/drift.dart';
@@ -5,7 +5,14 @@ import '../../utils.dart';
 class RemoteAssetFactory {
  const RemoteAssetFactory();

-  static RemoteAsset create({String? id, String? name, String? ownerId, bool isFavorite = false}) {
+  static RemoteAsset create({
+    String? id,
+    String? name,
+    String? ownerId,
+    bool isFavorite = false,
+    AssetVisibility visibility = AssetVisibility.timeline,
+    String? stackId,
+  }) {
    id = TestUtils.uuid(id);

    return RemoteAsset(
@@ -17,6 +24,8 @@ class RemoteAssetFactory {
      createdAt: TestUtils.yesterday(),
      updatedAt: TestUtils.now(),
      isFavorite: isFavorite,
+      visibility: visibility,
+      stackId: stackId,
      isEdited: false,
    );
  }
@@ -1,7 +1,10 @@
 import 'dart:typed_data';

 import 'package:immich_mobile/constants/enums.dart';
+import 'package:immich_mobile/domain/models/album/local_album.model.dart';
+import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
 import 'package:immich_mobile/domain/models/user.model.dart';
+import 'package:immich_mobile/platform/native_sync_api.g.dart';
 import 'package:mocktail/mocktail.dart' as mock;
 import 'package:mocktail/mocktail.dart';

@@ -12,11 +15,11 @@ import 'factories/local_asset_factory.dart';
 import 'factories/user_factory.dart';

 class RepositoryMocks {
-  final localAlbum = MockLocalAlbumRepository();
-  final localAsset = MockDriftLocalAssetRepository();
+  final localAlbum = LocalAlbumRepositoryStub(MockLocalAlbumRepository());
+  final localAsset = LocalAssetRepositoryStub(MockDriftLocalAssetRepository());
  final trashedAsset = MockTrashedLocalAssetRepository();

-  final nativeApi = MockNativeSyncApi();
+  final nativeApi = NativeSyncApiStub(MockNativeSyncApi());

  RepositoryMocks() {
    resetAll();
@@ -24,17 +27,34 @@ class RepositoryMocks {

  void resetAll() {
    _registerFallbacks();
-    reset(localAlbum);
-    reset(localAsset);
+    localAlbum.reset();
+    localAsset.reset();
    reset(trashedAsset);
-    reset(nativeApi);
+    nativeApi.reset();
+    _stubLocalAlbumRepository();
+    _stubLocalAssetRepository();
+    _stubNativeSyncApi();
+  }
+
+  void _stubLocalAlbumRepository() {
+    when(localAlbum.getBackupAlbums).thenAnswer((_) async => []);
+    when(localAlbum.getAssetsToHash).thenAnswer((_) async => []);
+  }
+
+  void _stubLocalAssetRepository() {
+    when(localAsset.reconcileHashesFromCloudId).thenAnswer((_) async => {});
+    when(localAsset.updateHashes).thenAnswer((_) async => {});
+  }
+
+  void _stubNativeSyncApi() {
+    when(nativeApi.hashAssets).thenAnswer((_) async => []);
  }
 }

 class ServiceMocks {
-  final PartnerStub partner = PartnerStub(MockPartnerService());
-  final UserStub user = UserStub(MockUserService());
-  final asset = AssetStub(MockAssetService());
+  final partner = PartnerServiceStub(MockPartnerService());
+  final user = UserServiceStub(MockUserService());
+  final asset = AssetServiceStub(MockAssetService());

  ServiceMocks() {
    resetAll();
@@ -78,11 +98,28 @@ void _registerFallbacks() {
  registerFallbackValue(Uint8List(0));
 }

-extension type const Stub<T extends Mock>(T mockedService) {
-  void reset() => mock.reset(mockedService);
+extension type const Stub<T extends Mock>(T mockedClass) {
+  void reset() => mock.reset(mockedClass);
 }

-extension type const PartnerStub(MockPartnerService service) implements Stub<MockPartnerService> {
+extension type const LocalAlbumRepositoryStub(MockLocalAlbumRepository repo) implements Stub<MockLocalAlbumRepository> {
+  Future<List<LocalAlbum>> Function() get getBackupAlbums =>
+      () => repo.getBackupAlbums();
+
+  Future<List<LocalAsset>> Function() get getAssetsToHash =>
+      () => repo.getAssetsToHash(any());
+}
+
+extension type const LocalAssetRepositoryStub(MockDriftLocalAssetRepository repo)
+    implements Stub<MockDriftLocalAssetRepository> {
+  Future<void> Function() get reconcileHashesFromCloudId =>
+      () => repo.reconcileHashesFromCloudId();
+
+  Future<void> Function() get updateHashes =>
+      () => repo.updateHashes(any());
+}
+
+extension type const PartnerServiceStub(MockPartnerService service) implements Stub<MockPartnerService> {
  Stream<Iterable<User>> Function() get getCandidates =>
      () => service.getCandidates(any());

@@ -110,7 +147,7 @@ extension type const PartnerStub(MockPartnerService service) implements Stub<Moc
      );
 }

-extension type const UserStub(MockUserService service) implements Stub<MockUserService> {
+extension type const UserServiceStub(MockUserService service) implements Stub<MockUserService> {
  UserDto Function() get getMyUser =>
      () => service.getMyUser();

@@ -127,7 +164,12 @@ extension type const UserStub(MockUserService service) implements Stub<MockUserS
      () => service.createProfileImage(any(), any());
 }

-extension type const AssetStub(MockAssetService service) implements Stub<MockAssetService> {
+extension type const AssetServiceStub(MockAssetService service) implements Stub<MockAssetService> {
  Future<void> Function() get updateFavorite =>
      () => service.updateFavorite(any(), any());
 }
+
+extension type const NativeSyncApiStub(MockNativeSyncApi api) implements Stub<MockNativeSyncApi> {
+  Future<List<HashResult>> Function() get hashAssets =>
+      () => api.hashAssets(any(), allowNetworkAccess: any(named: 'allowNetworkAccess'));
+}
@@ -6,7 +6,7 @@ import 'package:immich_mobile/presentation/actions/asset_debug.action.dart';
 import 'package:immich_ui/immich_ui.dart';

 import '../../factories/remote_asset_factory.dart';
-import '../../presentation_context.dart';
+import '../presentation_context.dart';

 void main() {
  late PresentationContext context;
@@ -23,8 +23,8 @@ void main() {
  group('AssetDebugAction', () {
    testWidgets('visible for a single asset when advanced troubleshooting is on', (tester) async {
      await tester.pumpTestWidget(
+        context,
        ActionIconButtonWidget(action: AssetDebugAction(assets: [RemoteAssetFactory.create()])),
-        overrides: context.overrides,
      );

      expect(find.byType(ImmichIconButton), findsOneWidget);
@@ -32,10 +32,10 @@ void main() {

    testWidgets('hidden for multiple assets', (tester) async {
      await tester.pumpTestWidget(
+        context,
        ActionIconButtonWidget(
          action: AssetDebugAction(assets: [RemoteAssetFactory.create(), RemoteAssetFactory.create()]),
        ),
-        overrides: context.overrides,
      );

      expect(find.byType(ImmichIconButton), findsNothing);
@@ -44,8 +44,8 @@ void main() {
    testWidgets('hidden when advanced troubleshooting is off', (tester) async {
      await StoreService.I.put(StoreKey.advancedTroubleshooting, false);
      await tester.pumpTestWidget(
+        context,
        ActionIconButtonWidget(action: AssetDebugAction(assets: [RemoteAssetFactory.create()])),
-        overrides: context.overrides,
      );

      expect(find.byType(ImmichIconButton), findsNothing);
@@ -1,30 +1,26 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
-import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
 import 'package:immich_mobile/presentation/actions/favorite.action.dart';
-import 'package:immich_mobile/providers/infrastructure/asset.provider.dart';
 import 'package:mocktail/mocktail.dart';

+import '../../../domain/service.mock.dart';
 import '../../factories/remote_asset_factory.dart';
-import '../../presentation_context.dart';
+import '../presentation_context.dart';

 void main() {
  late PresentationContext context;
+  late MockAssetService assetService;

  setUp(() async {
    context = await PresentationContext.create();
+    assetService = context.service.asset.service;
  });

  tearDown(() {
    context.dispose();
  });

-  List<Override> overrides() => [
-    ...context.overrides,
-    assetServiceProvider.overrideWithValue(context.mocks.asset.service),
-  ];
-
  RemoteAsset owned({bool isFavorite = false}) =>
      RemoteAssetFactory.create(ownerId: context.currentUser.id, isFavorite: isFavorite);

@@ -32,48 +28,48 @@ void main() {
    testWidgets('favorites the eligible owned assets', (tester) async {
      final asset = owned();

-      await tester.pumpTestAction(FavoriteAction(assets: [asset]), overrides: overrides());
+      await tester.pumpTestAction(context, FavoriteAction(assets: [asset]));

-      verify(() => context.mocks.asset.service.updateFavorite([asset.id], true)).called(1);
+      verify(() => assetService.updateFavorite([asset.id], true)).called(1);
    });

    testWidgets('unfavorite the eligible owned assets', (tester) async {
      final asset = owned(isFavorite: true);

-      await tester.pumpTestAction(FavoriteAction(assets: [asset]), overrides: overrides());
+      await tester.pumpTestAction(context, FavoriteAction(assets: [asset]));

-      verify(() => context.mocks.asset.service.updateFavorite([asset.id], false)).called(1);
+      verify(() => assetService.updateFavorite([asset.id], false)).called(1);
    });

    testWidgets('ignores assets owned by someone else', (tester) async {
      final mine = owned();
      final theirs = RemoteAssetFactory.create();

-      await tester.pumpTestAction(FavoriteAction(assets: [mine, theirs]), overrides: overrides());
+      await tester.pumpTestAction(context, FavoriteAction(assets: [mine, theirs]));

-      verify(() => context.mocks.asset.service.updateFavorite([mine.id], true)).called(1);
+      verify(() => assetService.updateFavorite([mine.id], true)).called(1);
    });

    testWidgets('batches every eligible owned asset into a single call', (tester) async {
      final first = owned();
      final second = owned();

-      await tester.pumpTestAction(FavoriteAction(assets: [first, second]), overrides: overrides());
+      await tester.pumpTestAction(context, FavoriteAction(assets: [first, second]));

-      verify(() => context.mocks.asset.service.updateFavorite([first.id, second.id], true)).called(1);
+      verify(() => assetService.updateFavorite([first.id, second.id], true)).called(1);
    });

    testWidgets('skips owned assets already in the target state', (tester) async {
      final stale = owned();
      final alreadyFavorite = owned(isFavorite: true);

-      await tester.pumpTestAction(FavoriteAction(assets: [stale, alreadyFavorite]), overrides: overrides());
+      await tester.pumpTestAction(context, FavoriteAction(assets: [stale, alreadyFavorite]));

-      verify(() => context.mocks.asset.service.updateFavorite([stale.id], true)).called(1);
+      verify(() => assetService.updateFavorite([stale.id], true)).called(1);
    });

    testWidgets('shows a confirmation snackbar on success', (tester) async {
-      await tester.pumpTestAction(FavoriteAction(assets: [owned()]), overrides: overrides());
+      await tester.pumpTestAction(context, FavoriteAction(assets: [owned()]));
      await tester.pumpUntilFound(find.byType(SnackBar));

      expect(find.byType(SnackBar), findsOneWidget);
@@ -4,17 +4,19 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:immich_mobile/domain/models/user.model.dart';
 import 'package:immich_mobile/presentation/actions/partner.action.dart';
-import 'package:immich_mobile/providers/infrastructure/user.provider.dart';
 import 'package:mocktail/mocktail.dart';

+import '../../../domain/service.mock.dart';
 import '../../factories/user_factory.dart';
-import '../../presentation_context.dart';
+import '../presentation_context.dart';

 void main() {
  late PresentationContext context;
+  late MockPartnerService partnerService;

  setUp(() async {
    context = await PresentationContext.create();
+    partnerService = context.service.partner.service;
  });

  tearDown(() {
@@ -22,8 +24,6 @@ void main() {
  });

  List<Override> overrides({List<User> candidates = const []}) => [
-    ...context.overrides,
-    partnerServiceProvider.overrideWithValue(context.mocks.partner.service),
    candidatesStateProvider.overrideWith((ref) => Stream<Iterable<User>>.value(candidates)),
  ];

@@ -31,22 +31,24 @@ void main() {
    testWidgets('creates a partner for the selected candidate', (tester) async {
      final candidate = UserFactory.create();

-      await tester.pumpTestAction(const PartnerAddAction(), overrides: overrides(candidates: [candidate]));
+      await tester.pumpTestAction(context, const PartnerAddAction(), overrides: overrides(candidates: [candidate]));
      await tester.pumpUntilFound(find.text(candidate.name));
      await tester.tap(find.text(candidate.name));
      await tester.pumpAndSettle();

-      verify(
-        () => context.mocks.partner.service.create(sharedById: context.currentUser.id, sharedWithId: candidate.id),
-      ).called(1);
+      verify(() => partnerService.create(sharedById: context.currentUser.id, sharedWithId: candidate.id)).called(1);
    });

    testWidgets('creates nothing when the selection dialog is dismissed', (tester) async {
-      await tester.pumpTestAction(const PartnerAddAction(), overrides: overrides(candidates: [UserFactory.create()]));
+      await tester.pumpTestAction(
+        context,
+        const PartnerAddAction(),
+        overrides: overrides(candidates: [UserFactory.create()]),
+      );
      await tester.sendKeyEvent(LogicalKeyboardKey.escape); // dismiss without selecting
      await tester.pumpAndSettle();

-      verifyNever(context.mocks.partner.create);
+      verifyNever(context.service.partner.create);
    });
  });

@@ -54,27 +56,27 @@ void main() {
    testWidgets('deletes the partner after confirmation', (tester) async {
      final partner = UserFactory.create();
      await tester.pumpTestAction(
+        context,
        PartnerRemoveAction(sharedWithId: partner.id, partnerName: partner.name),
        overrides: overrides(),
      );
      await tester.tap(find.byType(TextButton).last); // confirm
      await tester.pumpAndSettle();

-      verify(
-        () => context.mocks.partner.service.delete(sharedById: context.currentUser.id, sharedWithId: partner.id),
-      ).called(1);
+      verify(() => partnerService.delete(sharedById: context.currentUser.id, sharedWithId: partner.id)).called(1);
    });

    testWidgets('deletes nothing when the confirmation is cancelled', (tester) async {
      final partner = UserFactory.create();
      await tester.pumpTestAction(
+        context,
        PartnerRemoveAction(sharedWithId: partner.id, partnerName: partner.name),
        overrides: overrides(),
      );
      await tester.tap(find.byType(TextButton).first); // cancel
      await tester.pumpAndSettle();

-      verifyNever(context.mocks.partner.delete);
+      verifyNever(context.service.partner.delete);
    });
  });
 }
@@ -7,7 +7,7 @@ import 'package:immich_mobile/presentation/actions/timeline.action.dart';
 import 'package:immich_mobile/providers/timeline/multiselect.provider.dart';

 import '../../factories/remote_asset_factory.dart';
-import '../../presentation_context.dart';
+import '../presentation_context.dart';

 class _FakeAction extends BaseAction {
  _FakeAction({this.visible = true, this.error});
@@ -48,8 +48,7 @@ void main() {
    context.dispose();
  });

-  List<Override> seededOverrides() => [
-    ...context.overrides,
+  List<Override> overrides() => [
    multiSelectProvider.overrideWith(
      () => MultiSelectNotifier(
        MultiSelectState(selectedAssets: {RemoteAssetFactory.create()}, lockedSelectionAssets: const {}),
@@ -61,6 +60,7 @@ void main() {
    late ActionScope scope;
    late ProviderContainer container;
    await tester.pumpTestWidget(
+      context,
      Consumer(
        builder: (innerContext, ref, _) {
          scope = ActionScope(context: innerContext, ref: ref, authUser: context.currentUser);
@@ -68,7 +68,7 @@ void main() {
          return const SizedBox.shrink();
        },
      ),
-      overrides: seededOverrides(),
+      overrides: overrides(),
    );
    return (scope, container);
  }
@@ -97,8 +97,8 @@ void main() {

    testWidgets('delegates visibility to the wrapped action', (tester) async {
      await tester.pumpTestWidget(
+        context,
        ActionIconButtonWidget(action: TimelineAction(action: _FakeAction(visible: false))),
-        overrides: context.overrides,
      );

      expect(find.byType(ActionIconButtonWidget), findsOneWidget);
@@ -7,7 +7,7 @@ import 'package:immich_mobile/presentation/actions/partner.action.dart';

 import '../factories/partner_user_factory.dart';
 import '../factories/user_factory.dart';
-import '../presentation_context.dart';
+import 'presentation_context.dart';

 void main() {
  late PresentationContext context;
@@ -19,7 +19,7 @@ void main() {
    testWidgets('shows the empty-state add button when there are no partners', (tester) async {
      final action = const PartnerAddAction();

-      await tester.pumpTestWidget(const PartnerSharedByList(partners: []), overrides: context.overrides);
+      await tester.pumpTestWidget(context, const PartnerSharedByList(partners: []));

      expect(find.byType(ListView), findsNothing);
      expect(find.widgetWithIcon(TextButton, action.icon), findsOneWidget);
@@ -28,8 +28,7 @@ void main() {
    testWidgets('renders a tile per partner with name and email', (tester) async {
      final partner1 = PartnerFactory.create();
      final partner2 = PartnerFactory.create();
-      await tester.pumpTestWidget(PartnerSharedByList(partners: [partner1, partner2]), overrides: context.overrides);
-
+      await tester.pumpTestWidget(context, PartnerSharedByList(partners: [partner1, partner2]));
      expect(find.byType(ListTile), findsNWidgets(2));
      expect(find.text(partner1.name), findsOneWidget);
      expect(find.text(partner1.email), findsOneWidget);
@@ -41,7 +40,7 @@ void main() {
      final partner1 = PartnerFactory.create(inTimeline: true);
      final partner2 = PartnerFactory.create();
      final action = const PartnerRemoveAction(sharedWithId: '', partnerName: '');
-      await tester.pumpTestWidget(PartnerSharedByList(partners: [partner1, partner2]), overrides: context.overrides);
+      await tester.pumpTestWidget(context, PartnerSharedByList(partners: [partner1, partner2]));
      expect(find.byIcon(action.icon), findsNWidgets(2));
    });
  });
@@ -62,13 +61,12 @@ void main() {
    }

    List<Override> withCandidates(List<User> candidates) => [
-      ...context.overrides,
      candidatesStateProvider.overrideWith((ref) => Stream<Iterable<User>>.value(candidates)),
    ];

    testWidgets('renders an option per candidate fetched from the provider', (tester) async {
      final user = UserFactory.create();
-      await tester.pumpTestWidget(dialogWidget(), overrides: withCandidates([user]));
+      await tester.pumpTestWidget(context, dialogWidget(), overrides: withCandidates([user]));

      await tester.tap(find.byKey(dialogButtonKey));
      await tester.pumpAndSettle();
@@ -78,7 +76,7 @@ void main() {
    });

    testWidgets('shows no options when the provider returns no candidates', (tester) async {
-      await tester.pumpTestWidget(dialogWidget(), overrides: withCandidates(const []));
+      await tester.pumpTestWidget(context, dialogWidget(), overrides: withCandidates(const []));

      await tester.tap(find.byKey(dialogButtonKey));
      await tester.pumpAndSettle();
@@ -89,7 +87,11 @@ void main() {
    testWidgets('pops the selected candidate when an option is tapped', (tester) async {
      final user = UserFactory.create();
      User? selected;
-      await tester.pumpTestWidget(dialogWidget(onClosed: (user) => selected = user), overrides: withCandidates([user]));
+      await tester.pumpTestWidget(
+        context,
+        dialogWidget(onClosed: (user) => selected = user),
+        overrides: withCandidates([user]),
+      );

      await tester.tap(find.byKey(dialogButtonKey));
      await tester.pumpAndSettle();
@@ -13,16 +13,21 @@ import 'package:immich_mobile/infrastructure/repositories/db.repository.dart';
 import 'package:immich_mobile/infrastructure/repositories/store.repository.dart';
 import 'package:immich_mobile/presentation/actions/action.dart';
 import 'package:immich_mobile/presentation/actions/action.widget.dart';
+import 'package:immich_mobile/providers/infrastructure/asset.provider.dart';
+import 'package:immich_mobile/providers/infrastructure/user.provider.dart';
 import 'package:immich_mobile/providers/user.provider.dart';
 import 'package:immich_ui/immich_ui.dart';
 import 'package:mocktail/mocktail.dart';

-import '../test_utils.dart';
-import 'factories/user_factory.dart';
-import 'mocks.dart';
+import '../../test_utils.dart';
+import '../factories/user_factory.dart';
+import '../mocks.dart';

 class PresentationContext {
-  PresentationContext._({required UserDto user}) : currentUser = user, mocks = ServiceMocks() {
+  PresentationContext._({required UserDto user})
+    : currentUser = user,
+      service = ServiceMocks(),
+      repository = RepositoryMocks() {
    setup();
  }

@@ -31,9 +36,14 @@ class PresentationContext {
  static Drift? _db;

  final UserDto currentUser;
-  final ServiceMocks mocks;
+  final ServiceMocks service;
+  final RepositoryMocks repository;

-  List<Override> get overrides => [currentUserProvider.overrideWith((ref) => CurrentUserProvider(mocks.user.service))];
+  List<Override> get overrides => [
+    currentUserProvider.overrideWith((ref) => CurrentUserProvider(service.user.service)),
+    assetServiceProvider.overrideWithValue(service.asset.service),
+    partnerServiceProvider.overrideWithValue(service.partner.service),
+  ];

  static Future<PresentationContext> create() async {
    TestUtils.init();
@@ -47,18 +57,18 @@ class PresentationContext {
  }

  void setup() {
-    when(mocks.user.tryGetMyUser).thenReturn(currentUser);
+    when(service.user.tryGetMyUser).thenReturn(currentUser);
  }

  void dispose() {
    addTearDown(() {
-      mocks.resetAll();
+      service.resetAll();
    });
  }
 }

 extension PumpPresentationWidget on WidgetTester {
-  Future<void> pumpTestWidget(Widget widget, {List<Override> overrides = const []}) async {
+  Future<void> pumpTestWidget(PresentationContext context, Widget widget, {List<Override> overrides = const []}) async {
    await pumpWidget(
      EasyLocalization(
        supportedLocales: locales.values.toList(),
@@ -69,7 +79,7 @@ extension PumpPresentationWidget on WidgetTester {
        useFallbackTranslations: true,
        assetLoader: const CodegenLoader(),
        child: ProviderScope(
-          overrides: overrides,
+          overrides: [...context.overrides, ...overrides],
          child: Builder(
            builder: (context) => MaterialApp(
              debugShowCheckedModeBanner: false,
@@ -86,8 +96,12 @@ extension PumpPresentationWidget on WidgetTester {
    await pumpAndSettle();
  }

-  Future<void> pumpTestAction(BaseAction action, {List<Override> overrides = const []}) async {
-    await pumpTestWidget(ActionIconButtonWidget(action: action), overrides: overrides);
+  Future<void> pumpTestAction(
+    PresentationContext context,
+    BaseAction action, {
+    List<Override> overrides = const [],
+  }) async {
+    await pumpTestWidget(context, ActionIconButtonWidget(action: action), overrides: overrides);
    await tap(find.byType(ImmichIconButton));
    await pump();
  }
@@ -1,60 +0,0 @@
-import 'package:flutter_test/flutter_test.dart';
-import 'package:immich_mobile/domain/models/timeline.model.dart';
-import 'package:immich_mobile/presentation/widgets/timeline/fixed/segment.model.dart';
-import 'package:immich_mobile/presentation/widgets/timeline/segment.model.dart';
-import 'package:immich_mobile/presentation/widgets/timeline/timeline.widget.dart';
-
-void main() {
-  // Two day-segments, 4 columns, 8 assets each (2 rows). header 50, tile 100, no spacing.
-  //   A: header@[0,50)  rows@50,150   assets 0..7    offset [0,250]
-  //   B: header@[250,300) rows@300,400 assets 8..15  offset [250,500]
-  const columnCount = 4;
-  const maxScrollExtent = 500.0;
-  final segments = <Segment>[
-    const FixedSegment(
-      firstIndex: 0,
-      lastIndex: 2,
-      startOffset: 0,
-      endOffset: 250,
-      firstAssetIndex: 0,
-      bucket: Bucket(assetCount: 8),
-      tileHeight: 100,
-      columnCount: columnCount,
-      headerExtent: 50,
-      spacing: 0,
-      header: HeaderType.day,
-    ),
-    const FixedSegment(
-      firstIndex: 3,
-      lastIndex: 5,
-      startOffset: 250,
-      endOffset: 500,
-      firstAssetIndex: 8,
-      bucket: Bucket(assetCount: 8),
-      tileHeight: 100,
-      columnCount: columnCount,
-      headerExtent: 50,
-      spacing: 0,
-      header: HeaderType.day,
-    ),
-  ];
-
-  int? at(double offset) =>
-      assetIndexAtOffset(segments, offset, columnCount: columnCount, maxScrollExtent: maxScrollExtent);
-
-  test('maps an offset to the first asset of the row shown there', () {
-    expect(at(0), 0); // top of segment A
-    expect(at(150), 4); // second row of A
-    expect(at(350), 8); // first row of B
-    expect(at(450), 12); // second row of B
-  });
-
-  test('clamps offsets outside the scroll range', () {
-    expect(at(-100), 0); // below the top -> first asset
-    expect(at(9999), at(maxScrollExtent)); // past the end -> same as the max offset
-  });
-
-  test('returns null for empty segments', () {
-    expect(assetIndexAtOffset(const [], 100, columnCount: columnCount, maxScrollExtent: maxScrollExtent), isNull);
-  });
-}
@@ -1,157 +0,0 @@
-import 'dart:async';
-
-import 'package:flutter_test/flutter_test.dart';
-import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
-import 'package:immich_mobile/presentation/widgets/timeline/drag_selection_controller.dart';
-
-import '../../../factories/remote_asset_factory.dart';
-
-void main() {
-  const total = 50;
-  late List<BaseAsset> all;
-  late Set<int> inBuffer; // indices getAssetSafe resolves synchronously
-  late List<Completer<List<BaseAsset>>> reads; // pending async reads, completed manually
-  late List<({int from, int count})> readArgs;
-  late Set<BaseAsset> selected;
-  late DragSelectionController sut;
-
-  Set<BaseAsset> range(int lo, int hi) => {for (var i = lo; i <= hi; i++) all[i]};
-
-  void completeRead(int i) {
-    final a = readArgs[i];
-    reads[i].complete([for (var k = a.from; k < a.from + a.count && k < total; k++) all[k]]);
-  }
-
-  Future<void> settle() => Future(() {});
-
-  setUp(() {
-    all = List.generate(total, (i) => RemoteAssetFactory.create(id: 'a${i.toString().padLeft(3, '0')}'));
-    inBuffer = {for (var i = 0; i < total; i++) i}; // default: everything buffered (sync)
-    reads = [];
-    readArgs = [];
-    selected = {};
-    sut = DragSelectionController(
-      getAssetSafe: (i) => inBuffer.contains(i) ? all[i] : null,
-      getAssetsRange: (from, count) {
-        final c = Completer<List<BaseAsset>>();
-        reads.add(c);
-        readArgs.add((from: from, count: count));
-        return c.future;
-      },
-      onChange: (select, deselect) {
-        selected
-          ..addAll(select)
-          ..removeAll(deselect);
-      },
-    );
-  });
-
-  group('live selection (all in buffer, synchronous)', () {
-    test('dragging down selects the whole range as it grows', () {
-      sut.start(2);
-      sut.enter(6);
-      sut.enter(12);
-      expect(selected, range(2, 12));
-      expect(reads, isEmpty, reason: 'everything buffered -> no async read');
-    });
-
-    test('dragging back up toward the anchor deselects the shrunk tail', () {
-      sut.start(2);
-      sut.enter(12);
-      expect(selected, range(2, 12));
-      sut.enter(6); // reverse
-      expect(selected, range(2, 6));
-      sut.enter(3); // reverse more
-      expect(selected, range(2, 3));
-    });
-
-    test('dragging past the anchor flips the range', () {
-      sut.start(10);
-      sut.enter(14);
-      expect(selected, range(10, 14));
-      sut.enter(7); // crosses the anchor
-      expect(selected, range(7, 10));
-    });
-  });
-
-  group('beyond-buffer (async)', () {
-    setUp(() => inBuffer = {}); // nothing buffered -> every tile needs an async read
-
-    test('drag-end fills the full range even if every live read is still in flight', () async {
-      sut.start(0);
-      sut.enter(20);
-      // simulate the real-rate race: none of the in-drag reads have completed
-      expect(selected, isEmpty);
-
-      final ending = sut.end();
-      // end() issues its own read for the missing range; complete it
-      completeRead(reads.length - 1);
-      await ending;
-
-      expect(selected, range(0, 20), reason: 'final range must always apply on drag-end');
-    });
-
-    test('out-of-order live read completions never corrupt the selection', () async {
-      sut.start(0); // issues read for [0,1]
-      sut.enter(10); // issues read for [0,11]
-      sut.enter(20); // issues read for [0,21]
-      expect(reads.length, 3);
-
-      // complete newest first, then older ones (out of order)
-      completeRead(2);
-      await settle();
-      completeRead(1);
-      await settle();
-      completeRead(0);
-      await settle();
-
-      expect(selected, range(0, 20));
-
-      final ending = sut.end();
-      await ending; // nothing missing -> no extra read
-      expect(selected, range(0, 20));
-    });
-
-    test('a disposed controller never emits when its in-flight read resolves', () async {
-      sut.start(0); // read [0,1] (pending, in flight)
-      sut.enter(20); // read [0,21] (pending, in flight)
-      expect(selected, isEmpty);
-
-      // a new drag starts -> the old controller is disposed
-      final ending = sut.end(); // issues end()'s fill read
-      sut.dispose();
-
-      // every in-flight read for the old controller now resolves
-      for (var i = 0; i < reads.length; i++) {
-        if (!reads[i].isCompleted) {
-          completeRead(i);
-        }
-      }
-      await ending;
-      await settle();
-
-      expect(selected, isEmpty, reason: 'a disposed controller must not leak into the new selection');
-    });
-
-    test('a late read for tiles dragged back out of range is ignored', () async {
-      sut.start(0); // read [0,1]
-      sut.enter(20); // read [0,21]
-      sut.enter(5); // shrink back; read [0,6]
-      // complete the stale wide read AFTER the shrink
-      completeRead(1); // [0,21]
-      await settle();
-      // indices 6..20 left the range -> must not be selected
-      expect(selected.intersection(range(6, 20)), isEmpty);
-
-      final ending = sut.end();
-      // complete any read end() issued for the (now smaller) missing range
-      for (var i = 0; i < reads.length; i++) {
-        if (!reads[i].isCompleted) {
-          completeRead(i);
-        }
-      }
-      await ending;
-      expect(selected, range(0, 5));
-    });
-  });
-}
@@ -14,14 +14,11 @@ void main() {

  setUp(() {
    sut = HashService(
-      localAlbumRepository: mocks.localAlbum,
-      localAssetRepository: mocks.localAsset,
-      nativeSyncApi: mocks.nativeApi,
+      localAlbumRepository: mocks.localAlbum.repo,
+      localAssetRepository: mocks.localAsset.repo,
+      nativeSyncApi: mocks.nativeApi.api,
      trashedLocalAssetRepository: mocks.trashedAsset,
    );
-
-    when(() => mocks.localAsset.reconcileHashesFromCloudId()).thenAnswer((_) async => {});
-    when(() => mocks.localAsset.updateHashes(any())).thenAnswer((_) async => {});
  });

  tearDown(() {
@@ -32,22 +29,20 @@ void main() {
    group('hashAssets', () {
      test('skips albums with no assets to hash', () async {
        final album = LocalAlbumFactory.create(assetCount: 0);
-        when(() => mocks.localAlbum.getBackupAlbums()).thenAnswer((_) async => [album]);
-        when(() => mocks.localAlbum.getAssetsToHash(album.id)).thenAnswer((_) async => []);
+        when(mocks.localAlbum.getBackupAlbums).thenAnswer((_) async => [album]);

        await sut.hashAssets();

-        verifyNever(() => mocks.nativeApi.hashAssets(any(), allowNetworkAccess: any(named: 'allowNetworkAccess')));
+        verifyNever(mocks.nativeApi.hashAssets);
      });

      test('skips empty batches', () async {
        final album = LocalAlbumFactory.create();
-        when(() => mocks.localAlbum.getBackupAlbums()).thenAnswer((_) async => [album]);
-        when(() => mocks.localAlbum.getAssetsToHash(album.id)).thenAnswer((_) async => []);
+        when(mocks.localAlbum.getBackupAlbums).thenAnswer((_) async => [album]);

        await sut.hashAssets();

-        verifyNever(() => mocks.nativeApi.hashAssets(any(), allowNetworkAccess: any(named: 'allowNetworkAccess')));
+        verifyNever(mocks.nativeApi.hashAssets);
      });

      test('processes assets when available', () async {
@@ -55,15 +50,17 @@ void main() {
        final asset = LocalAssetFactory.create();
        final result = HashResult(assetId: asset.id, hash: 'test-hash');

-        when(() => mocks.localAlbum.getBackupAlbums()).thenAnswer((_) async => [album]);
-        when(() => mocks.localAlbum.getAssetsToHash(album.id)).thenAnswer((_) async => [asset]);
-        when(() => mocks.nativeApi.hashAssets([asset.id], allowNetworkAccess: false)).thenAnswer((_) async => [result]);
+        when(mocks.localAlbum.getBackupAlbums).thenAnswer((_) async => [album]);
+        when(() => mocks.localAlbum.repo.getAssetsToHash(album.id)).thenAnswer((_) async => [asset]);
+        when(
+          () => mocks.nativeApi.api.hashAssets([asset.id], allowNetworkAccess: false),
+        ).thenAnswer((_) async => [result]);

        await sut.hashAssets();

-        verify(() => mocks.nativeApi.hashAssets([asset.id], allowNetworkAccess: false)).called(1);
+        verify(() => mocks.nativeApi.api.hashAssets([asset.id], allowNetworkAccess: false)).called(1);
        final captured =
-            verify(() => mocks.localAsset.updateHashes(captureAny())).captured.first as Map<String, String>;
+            verify(() => mocks.localAsset.repo.updateHashes(captureAny())).captured.first as Map<String, String>;
        expect(captured.length, 1);
        expect(captured[asset.id], result.hash);
      });
@@ -72,16 +69,16 @@ void main() {
        final album = LocalAlbumFactory.create();
        final asset = LocalAssetFactory.create();

-        when(() => mocks.localAlbum.getBackupAlbums()).thenAnswer((_) async => [album]);
-        when(() => mocks.localAlbum.getAssetsToHash(album.id)).thenAnswer((_) async => [asset]);
+        when(mocks.localAlbum.getBackupAlbums).thenAnswer((_) async => [album]);
+        when(() => mocks.localAlbum.repo.getAssetsToHash(album.id)).thenAnswer((_) async => [asset]);
        when(
-          () => mocks.nativeApi.hashAssets([asset.id], allowNetworkAccess: false),
+          () => mocks.nativeApi.api.hashAssets([asset.id], allowNetworkAccess: false),
        ).thenAnswer((_) async => [HashResult(assetId: asset.id, error: 'Failed to hash')]);

        await sut.hashAssets();

        final captured =
-            verify(() => mocks.localAsset.updateHashes(captureAny())).captured.first as Map<String, String>;
+            verify(() => mocks.localAsset.repo.updateHashes(captureAny())).captured.first as Map<String, String>;
        expect(captured.length, 0);
      });

@@ -89,25 +86,25 @@ void main() {
        final album = LocalAlbumFactory.create();
        final asset = LocalAssetFactory.create();

-        when(() => mocks.localAlbum.getBackupAlbums()).thenAnswer((_) async => [album]);
-        when(() => mocks.localAlbum.getAssetsToHash(album.id)).thenAnswer((_) async => [asset]);
+        when(mocks.localAlbum.getBackupAlbums).thenAnswer((_) async => [album]);
+        when(() => mocks.localAlbum.repo.getAssetsToHash(album.id)).thenAnswer((_) async => [asset]);
        when(
-          () => mocks.nativeApi.hashAssets([asset.id], allowNetworkAccess: false),
+          () => mocks.nativeApi.api.hashAssets([asset.id], allowNetworkAccess: false),
        ).thenAnswer((_) async => [HashResult(assetId: asset.id, hash: null)]);

        await sut.hashAssets();

        final captured =
-            verify(() => mocks.localAsset.updateHashes(captureAny())).captured.first as Map<String, String>;
+            verify(() => mocks.localAsset.repo.updateHashes(captureAny())).captured.first as Map<String, String>;
        expect(captured.length, 0);
      });

      test('batches by size limit', () async {
        const batchSize = 2;
        final sut = HashService(
-          localAlbumRepository: mocks.localAlbum,
-          localAssetRepository: mocks.localAsset,
-          nativeSyncApi: mocks.nativeApi,
+          localAlbumRepository: mocks.localAlbum.repo,
+          localAssetRepository: mocks.localAsset.repo,
+          nativeSyncApi: mocks.nativeApi.api,
          batchSize: batchSize,
          trashedLocalAssetRepository: mocks.trashedAsset,
        );
@@ -119,12 +116,9 @@ void main() {

        final capturedCalls = <List<String>>[];

-        when(() => mocks.localAsset.updateHashes(any())).thenAnswer((_) async => {});
-        when(() => mocks.localAlbum.getBackupAlbums()).thenAnswer((_) async => [album]);
-        when(() => mocks.localAlbum.getAssetsToHash(album.id)).thenAnswer((_) async => [asset1, asset2, asset3]);
-        when(() => mocks.nativeApi.hashAssets(any(), allowNetworkAccess: any(named: 'allowNetworkAccess'))).thenAnswer((
-          invocation,
-        ) async {
+        when(mocks.localAlbum.getBackupAlbums).thenAnswer((_) async => [album]);
+        when(() => mocks.localAlbum.repo.getAssetsToHash(album.id)).thenAnswer((_) async => [asset1, asset2, asset3]);
+        when(mocks.nativeApi.hashAssets).thenAnswer((invocation) async {
          final assetIds = invocation.positionalArguments[0] as List<String>;
          capturedCalls.add(List<String>.from(assetIds));
          return assetIds.map((id) => HashResult(assetId: id, hash: '$id-hash')).toList();
@@ -136,7 +130,7 @@ void main() {
        expect(capturedCalls[0], [asset1.id, asset2.id], reason: 'First call should batch the first two assets');
        expect(capturedCalls[1], [asset3.id], reason: 'Second call should have the remaining asset');

-        verify(() => mocks.localAsset.updateHashes(any())).called(2);
+        verify(() => mocks.localAsset.repo.updateHashes(any())).called(2);
      });

      test('handles mixed success and failure in batch', () async {
@@ -144,9 +138,9 @@ void main() {
        final asset1 = LocalAssetFactory.create();
        final asset2 = LocalAssetFactory.create();

-        when(() => mocks.localAlbum.getBackupAlbums()).thenAnswer((_) async => [album]);
-        when(() => mocks.localAlbum.getAssetsToHash(album.id)).thenAnswer((_) async => [asset1, asset2]);
-        when(() => mocks.nativeApi.hashAssets([asset1.id, asset2.id], allowNetworkAccess: false)).thenAnswer(
+        when(mocks.localAlbum.getBackupAlbums).thenAnswer((_) async => [album]);
+        when(() => mocks.localAlbum.repo.getAssetsToHash(album.id)).thenAnswer((_) async => [asset1, asset2]);
+        when(() => mocks.nativeApi.api.hashAssets([asset1.id, asset2.id], allowNetworkAccess: false)).thenAnswer(
          (_) async => [
            HashResult(assetId: asset1.id, hash: 'asset1-hash'),
            HashResult(assetId: asset2.id, error: 'Failed to hash asset2'),
@@ -156,7 +150,7 @@ void main() {
        await sut.hashAssets();

        final captured =
-            verify(() => mocks.localAsset.updateHashes(captureAny())).captured.first as Map<String, String>;
+            verify(() => mocks.localAsset.repo.updateHashes(captureAny())).captured.first as Map<String, String>;
        expect(captured.length, 1);
        expect(captured[asset1.id], 'asset1-hash');
      });
@@ -167,20 +161,18 @@ void main() {
        final asset1 = LocalAssetFactory.create();
        final asset2 = LocalAssetFactory.create();

-        when(() => mocks.localAlbum.getBackupAlbums()).thenAnswer((_) async => [selectedAlbum, nonSelectedAlbum]);
-        when(() => mocks.localAlbum.getAssetsToHash(selectedAlbum.id)).thenAnswer((_) async => [asset1]);
-        when(() => mocks.localAlbum.getAssetsToHash(nonSelectedAlbum.id)).thenAnswer((_) async => [asset2]);
-        when(() => mocks.nativeApi.hashAssets(any(), allowNetworkAccess: any(named: 'allowNetworkAccess'))).thenAnswer((
-          invocation,
-        ) async {
+        when(mocks.localAlbum.getBackupAlbums).thenAnswer((_) async => [selectedAlbum, nonSelectedAlbum]);
+        when(() => mocks.localAlbum.repo.getAssetsToHash(selectedAlbum.id)).thenAnswer((_) async => [asset1]);
+        when(() => mocks.localAlbum.repo.getAssetsToHash(nonSelectedAlbum.id)).thenAnswer((_) async => [asset2]);
+        when(mocks.nativeApi.hashAssets).thenAnswer((invocation) async {
          final assetIds = invocation.positionalArguments[0] as List<String>;
          return assetIds.map((id) => HashResult(assetId: id, hash: '$id-hash')).toList();
        });

        await sut.hashAssets();

-        verify(() => mocks.nativeApi.hashAssets([asset1.id], allowNetworkAccess: true)).called(1);
-        verify(() => mocks.nativeApi.hashAssets([asset2.id], allowNetworkAccess: false)).called(1);
+        verify(() => mocks.nativeApi.api.hashAssets([asset1.id], allowNetworkAccess: true)).called(1);
+        verify(() => mocks.nativeApi.api.hashAssets([asset2.id], allowNetworkAccess: false)).called(1);
      });
    });
  });
@@ -1,100 +0,0 @@
-import 'package:flutter_test/flutter_test.dart';
-import 'package:immich_mobile/constants/constants.dart';
-import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
-import 'package:immich_mobile/domain/models/timeline.model.dart';
-import 'package:immich_mobile/domain/services/timeline.service.dart';
-
-import '../factories/remote_asset_factory.dart';
-
-void main() {
-  // total must exceed the sliding buffer so it cannot hold the whole library at once
-  const total = 2000;
-  late List<BaseAsset> all;
-  late TimelineService sut;
-
-  TimelineService buildService() {
-    all = List.generate(total, (i) => RemoteAssetFactory.create(id: 'a${i.toString().padLeft(5, '0')}'));
-    return TimelineService((
-      assetSource: (index, count) async {
-        final end = (index + count) > total ? total : index + count;
-        return all.sublist(index, end);
-      },
-      bucketSource: () => Stream.value([const Bucket(assetCount: total)]),
-      origin: TimelineOrigin.main,
-    ));
-  }
-
-  Future<void> settle() => Future.delayed(const Duration(milliseconds: 10));
-
-  setUp(() async {
-    sut = buildService();
-    await settle(); // let the bucket subscription load the first batch and set totalAssets
-  });
-
-  tearDown(() async {
-    await sut.dispose();
-  });
-
-  test('buffer holds the first batch but not the whole library', () {
-    expect(sut.totalAssets, total);
-    expect(sut.hasRange(0, kTimelineAssetLoadBatchSize), isTrue);
-    expect(sut.hasRange(0, total), isFalse);
-  });
-
-  // #27118 / #20855 mechanism: drag-selecting from a low anchor while the grid
-  // auto-scrolls down slides the buffer forward to follow the finger. once the
-  // buffer offset passes the anchor, hasRange(anchor, ...) is false and
-  // _handleDragAssetEnter silently stops extending the selection.
-  test('anchor drops out of the buffer after the grid scrolls down', () async {
-    const anchor = 5;
-    expect(sut.hasRange(anchor, 100), isTrue);
-
-    // the grid loads a far-down range as it auto-scrolls during the drag
-    await sut.loadAssets(1500, 1);
-
-    const current = 1500;
-    const count = current - anchor + 1;
-    expect(sut.hasRange(anchor, 1), isFalse, reason: 'anchor is now below the buffer offset');
-    expect(sut.hasRange(anchor, count), isFalse, reason: 'the full drag range is no longer resident');
-    expect(() => sut.getAssets(anchor, count), throwsRangeError);
-  });
-
-  // the fix: getAssetsRange returns the whole drag range regardless of the
-  // buffer position, so the selection keeps extending while scrolling.
-  group('getAssetsRange', () {
-    test('returns a buffered range', () async {
-      final assets = await sut.getAssetsRange(0, 50);
-      expect(assets.length, 50);
-      expect(assets.first, all[0]);
-      expect(assets.last, all[49]);
-    });
-
-    test('returns a range wider than the buffer', () async {
-      final assets = await sut.getAssetsRange(0, total);
-      expect(assets.length, total);
-      expect(assets.first, all[0]);
-      expect(assets.last, all[total - 1]);
-    });
-
-    test('returns the anchor range after the buffer scrolled past the anchor', () async {
-      const anchor = 5;
-      await sut.loadAssets(1500, 1); // buffer slides forward, dropping the anchor
-      expect(sut.hasRange(anchor, 1), isFalse);
-
-      const current = 1500;
-      const count = current - anchor + 1;
-      final assets = await sut.getAssetsRange(anchor, count);
-      expect(assets.length, count);
-      expect(assets.first, all[anchor]);
-      expect(assets.last, all[current]);
-    });
-
-    test('clamps a range that runs past the end and ignores invalid input', () async {
-      final tail = await sut.getAssetsRange(total - 10, 100);
-      expect(tail.length, 10);
-      expect(await sut.getAssetsRange(-1, 10), isEmpty);
-      expect(await sut.getAssetsRange(0, 0), isEmpty);
-      expect(await sut.getAssetsRange(total, 10), isEmpty);
-    });
-  });
-}
@@ -0,0 +1,200 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
+import 'package:immich_mobile/utils/asset_filter.dart';
+
+import '../factories/local_asset_factory.dart';
+import '../factories/remote_asset_factory.dart';
+
+void main() {
+  group('AssetFilter', () {
+    group('type promotion', () {
+      test('a bare filter retains every BaseAsset', () {
+        final remoteAsset = RemoteAssetFactory.create();
+        final localAsset = LocalAssetFactory.create();
+
+        final AssetFilter<BaseAsset> filter = AssetFilter(<BaseAsset>[remoteAsset, localAsset]);
+
+        expect(filter.toList(), [remoteAsset, localAsset]);
+      });
+
+      test('remote keeps only remote assets', () {
+        final remoteAsset = RemoteAssetFactory.create();
+        final localAsset = LocalAssetFactory.create();
+
+        final AssetFilter<RemoteAsset> remoteOnly = AssetFilter(<BaseAsset>[remoteAsset, localAsset]).remote();
+
+        expect(remoteOnly.toList(), [remoteAsset]);
+      });
+
+      test('local keeps only local assets', () {
+        final remoteAsset = RemoteAssetFactory.create();
+        final localAsset = LocalAssetFactory.create();
+
+        final AssetFilter<LocalAsset> localOnly = AssetFilter(<BaseAsset>[remoteAsset, localAsset]).local();
+
+        expect(localOnly.toList(), [localAsset]);
+      });
+
+      test('owned promotes to RemoteAsset and drops local assets', () {
+        final remoteAsset = RemoteAssetFactory.create();
+        final localAsset = LocalAssetFactory.create();
+
+        final AssetFilter<RemoteAsset> remoteOnly = AssetFilter(<BaseAsset>[
+          remoteAsset,
+          localAsset,
+        ]).owned(remoteAsset.ownerId);
+
+        expect(remoteOnly.toList(), [remoteAsset]);
+      });
+
+      test('backedUp promotes to LocalAsset and drops remote assets', () {
+        final syncedPhoto = LocalAssetFactory.create().copyWith(remoteId: 'remote');
+        final offlinePhoto = LocalAssetFactory.create();
+        final remotePhoto = RemoteAssetFactory.create();
+
+        final AssetFilter<LocalAsset> syncedPhotos = AssetFilter(<BaseAsset>[
+          syncedPhoto,
+          offlinePhoto,
+          remotePhoto,
+        ]).backedUp();
+
+        expect(syncedPhotos.toList(), [syncedPhoto]);
+      });
+    });
+
+    group('named filters', () {
+      test('owned keeps only assets of the given owner', () {
+        final asset1 = RemoteAssetFactory.create();
+        final asset2 = RemoteAssetFactory.create();
+
+        final alexPhotos = AssetFilter([asset1, asset2]).owned(asset1.ownerId);
+
+        expect(alexPhotos.toList(), [asset1]);
+      });
+
+      test('favorites keeps only favorite assets', () {
+        final asset1 = RemoteAssetFactory.create(isFavorite: true);
+        final asset2 = RemoteAssetFactory.create(ownerId: asset1.ownerId);
+
+        final favorites = AssetFilter([asset1, asset2]).favorites();
+
+        expect(favorites.toList(), [asset1]);
+      });
+
+      test('type keeps only assets of the given type', () {
+        final image = RemoteAssetFactory.create();
+        final video = RemoteAssetFactory.create(ownerId: image.ownerId).copyWith(type: .video);
+
+        final videos = AssetFilter([image, video]).type(.video);
+
+        expect(videos.toList(), [video]);
+      });
+
+      test('visibility keeps only assets with the given visibility', () {
+        final locked = RemoteAssetFactory.create(visibility: AssetVisibility.locked);
+        final onTimeline = RemoteAssetFactory.create(ownerId: locked.ownerId);
+
+        final lockedPhotos = AssetFilter([locked, onTimeline]).visibility(.locked);
+
+        expect(lockedPhotos.toList(), [locked]);
+      });
+
+      test('archived keeps only archived assets', () {
+        final archived = RemoteAssetFactory.create(visibility: AssetVisibility.archive);
+        final onTimeline = RemoteAssetFactory.create(ownerId: archived.ownerId);
+
+        final archivedPhotos = AssetFilter([archived, onTimeline]).archived();
+
+        expect(archivedPhotos.toList(), [archived]);
+      });
+
+      test('stacked keeps only assets belonging to a stack', () {
+        final stacked = RemoteAssetFactory.create(stackId: 'stack');
+        final loose = RemoteAssetFactory.create(ownerId: stacked.ownerId);
+
+        final stackedPhotos = AssetFilter([stacked, loose]).stacked();
+
+        expect(stackedPhotos.toList(), [stacked]);
+      });
+    });
+
+    group('inversion', () {
+      test('notArchived keeps every non-archived visibility', () {
+        final archived = RemoteAssetFactory.create(visibility: AssetVisibility.archive);
+        final onTimeline = RemoteAssetFactory.create(ownerId: archived.ownerId, visibility: AssetVisibility.timeline);
+        final hidden = RemoteAssetFactory.create(ownerId: archived.ownerId, visibility: AssetVisibility.hidden);
+        final locked = RemoteAssetFactory.create(ownerId: archived.ownerId, visibility: AssetVisibility.locked);
+
+        final visiblePhotos = AssetFilter([archived, onTimeline, hidden, locked]).notArchived();
+
+        expect(visiblePhotos.toSet(), {onTimeline, hidden, locked});
+      });
+
+      test('notVisibility keeps every asset not at the target visibility', () {
+        final archived = RemoteAssetFactory.create(visibility: AssetVisibility.archive);
+        final onTimeline = RemoteAssetFactory.create(ownerId: archived.ownerId, visibility: AssetVisibility.timeline);
+        final locked = RemoteAssetFactory.create(ownerId: archived.ownerId, visibility: AssetVisibility.locked);
+
+        final toArchive = AssetFilter([archived, onTimeline, locked]).notVisibility(.archive);
+
+        expect(toArchive.toSet(), {onTimeline, locked});
+      });
+
+      test('notStacked keeps only assets without a stack', () {
+        final stacked = RemoteAssetFactory.create(stackId: 'stack');
+        final loose = RemoteAssetFactory.create(ownerId: stacked.ownerId);
+
+        final loosePhotos = AssetFilter([stacked, loose]).notStacked();
+
+        expect(loosePhotos.toList(), [loose]);
+      });
+
+      test('whereNot inverts an arbitrary predicate', () {
+        final favorite = RemoteAssetFactory.create(isFavorite: true);
+        final regular = RemoteAssetFactory.create(ownerId: favorite.ownerId);
+
+        final nonFavorites = AssetFilter([favorite, regular]).whereNot((asset) => asset.isFavorite);
+
+        expect(nonFavorites.toList(), [regular]);
+      });
+
+      test('notFavorites keeps only non-favorite assets', () {
+        final favorite = RemoteAssetFactory.create(isFavorite: true);
+        final regular = RemoteAssetFactory.create(ownerId: favorite.ownerId);
+
+        final nonFavorites = AssetFilter([favorite, regular]).notFavorites();
+
+        expect(nonFavorites.toList(), [regular]);
+      });
+    });
+
+    group('chaining', () {
+      test('combines predicates across owner, visibility and stack', () {
+        final asset = RemoteAssetFactory.create();
+        final wrongOwner = RemoteAssetFactory.create();
+        final archived = RemoteAssetFactory.create(ownerId: asset.ownerId, visibility: AssetVisibility.archive);
+        final stacked = RemoteAssetFactory.create(ownerId: asset.ownerId, stackId: 'stack-1');
+        final localPhoto = LocalAssetFactory.create();
+
+        final result = AssetFilter(<BaseAsset>[
+          asset,
+          wrongOwner,
+          archived,
+          stacked,
+          localPhoto,
+        ]).owned(asset.ownerId).notArchived().notStacked();
+
+        expect(result.toList(), [asset]);
+      });
+
+      test('a base filter after a promotion retains the promoted type', () {
+        final favorite = RemoteAssetFactory.create(isFavorite: true);
+        final regular = RemoteAssetFactory.create(ownerId: favorite.ownerId);
+
+        final AssetFilter<RemoteAsset> result = AssetFilter([favorite, regular]).owned(favorite.ownerId).favorites();
+
+        expect(result.toList(), [favorite]);
+      });
+    });
+  });
+}
@@ -1,27 +1,51 @@
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/constants/locales.dart';
+import 'package:immich_mobile/generated/codegen_loader.g.dart';

 extension PumpConsumerWidget on WidgetTester {
-  /// Wraps the provided [widget] with Material app such that it becomes:
+  /// Wraps the provided [widget] with a localized Material app such that it
+  /// becomes:
+  ///
+  /// EasyLocalization
+  ///   |-ProviderScope
+  ///     |-MaterialApp (localization delegates wired up)
+  ///       |-Material
+  ///         |-[widget]
  ///
-  /// ProviderScope
-  ///   |-MaterialApp
-  ///     |-Material
-  ///       |-[widget]
  Future<void> pumpConsumerWidget(
    Widget widget, {
    Duration? duration,
    EnginePhase phase = EnginePhase.sendSemanticsUpdate,
    List<Override> overrides = const [],
  }) async {
-    return pumpWidget(
-      ProviderScope(
-        overrides: overrides,
-        child: MaterialApp(debugShowCheckedModeBanner: false, home: Material(child: widget)),
+    await pumpWidget(
+      EasyLocalization(
+        supportedLocales: locales.values.toList(),
+        path: translationsPath,
+        startLocale: locales.values.first,
+        fallbackLocale: locales.values.first,
+        saveLocale: false,
+        useFallbackTranslations: true,
+        assetLoader: const CodegenLoader(),
+        child: ProviderScope(
+          overrides: overrides,
+          child: Builder(
+            builder: (context) => MaterialApp(
+              debugShowCheckedModeBanner: false,
+              localizationsDelegates: context.localizationDelegates,
+              supportedLocales: context.supportedLocales,
+              locale: context.locale,
+              home: Material(child: widget),
+            ),
+          ),
+        ),
      ),
      duration: duration,
      phase: phase,
    );
+    await pumpAndSettle();
  }
 }
@@ -53,10 +53,10 @@ export interface ImmichTags extends Omit<Tags, TagsWithWrongTypes> {
    RegionList: {
      Area: {
        // (X,Y) // center of the rectangle
-        X: number;
-        Y: number;
-        W: number;
-        H: number;
+        X: number | string;
+        Y: number | string;
+        W: number | string;
+        H: number | string;
        Unit: string;
      };
      Rotation?: number;
@@ -39,7 +39,10 @@ const forSidecarJob = (
  };
 };

-const makeFaceTags = (face: Partial<{ Name: string }> = {}, orientation?: ImmichTags['Orientation']) => ({
+const makeFaceTags = (
+  face: Partial<{ Name: string }> = {},
+  orientation?: ImmichTags['Orientation'],
+): Partial<ImmichTags> => ({
  Orientation: orientation,
  RegionInfo: {
    AppliedToDimensions: { W: 1000, H: 100, Unit: 'pixel' },
@@ -1371,6 +1374,35 @@ describe(MetadataService.name, () => {
      expect(mocks.person.updateAll).not.toHaveBeenCalled();
    });

+    it('should handle string coordinates in face region bounding box calculation by limiting to 16 decimal places', async () => {
+      const asset = AssetFactory.create();
+      const person = PersonFactory.create();
+
+      mocks.assetJob.getForMetadataExtraction.mockResolvedValue(getForMetadataExtraction(asset));
+      mocks.systemMetadata.get.mockResolvedValue({ metadata: { faces: { import: true } } });
+      const faceTags = makeFaceTags({ Name: person.name });
+
+      // Simulating EXIF returning a string with >16 decimal places
+      faceTags.RegionInfo!.RegionList[0].Area.X = '0.48564814814814824';
+      faceTags.RegionInfo!.RegionList[0].Area.W = '0.2';
+
+      mockReadTags(faceTags);
+      mocks.person.getDistinctNames.mockResolvedValue([]);
+      mocks.person.createAll.mockResolvedValue([person.id]);
+      mocks.person.update.mockResolvedValue(person);
+
+      await sut.handleMetadataExtraction({ id: asset.id });
+
+      expect(mocks.person.refreshFaces).toHaveBeenCalledWith(
+        [
+          expect.objectContaining({
+            boundingBoxX1: Math.floor((0.485_648_148_148_148_2 - 0.2 / 2) * 1000),
+          }),
+        ],
+        [],
+      );
+    });
+
    it('should apply metadata face tags creating new people', async () => {
      const asset = AssetFactory.create();
      const person = PersonFactory.create();
@@ -854,6 +854,13 @@ export class MetadataService extends BaseService {
    // update area coordinates and dimensions in RegionList assuming "normalized" unit as per MWG guidelines
    const adjustedRegionList = regionInfo.RegionList.map((region) => {
      let { X, Y, W, H } = region.Area;
+
+      // EXIF floats with >16 decimals are serialized as strings. Ensure they are numbers.
+      X = Number(X);
+      Y = Number(Y);
+      W = Number(W);
+      H = Number(H);
+
      switch (orientation) {
        case ExifOrientation.MirrorHorizontal: {
          X = 1 - X;
@@ -926,16 +933,21 @@ export class MetadataService extends BaseService {
      const loweredName = region.Name.toLowerCase();
      const personId = existingNameMap.get(loweredName) || this.cryptoRepository.randomUUID();

+      const X = Number(region.Area.X);
+      const Y = Number(region.Area.Y);
+      const W = Number(region.Area.W);
+      const H = Number(region.Area.H);
+
      const face = {
        id: this.cryptoRepository.randomUUID(),
        personId,
        assetId: asset.id,
        imageWidth,
        imageHeight,
-        boundingBoxX1: Math.floor((region.Area.X - region.Area.W / 2) * imageWidth),
-        boundingBoxY1: Math.floor((region.Area.Y - region.Area.H / 2) * imageHeight),
-        boundingBoxX2: Math.floor((region.Area.X + region.Area.W / 2) * imageWidth),
-        boundingBoxY2: Math.floor((region.Area.Y + region.Area.H / 2) * imageHeight),
+        boundingBoxX1: Math.floor((X - W / 2) * imageWidth),
+        boundingBoxY1: Math.floor((Y - H / 2) * imageHeight),
+        boundingBoxX2: Math.floor((X + W / 2) * imageWidth),
+        boundingBoxY2: Math.floor((Y + H / 2) * imageHeight),
        sourceType: SourceType.Exif,
      };
Author	SHA1	Message	Date
shenlong-tanwen	7849816877	refactor: feedback repository	2026-06-30 04:20:51 +05:30
shenlong-tanwen	1ded04d29d	refactor: add asset update method	2026-06-30 04:20:31 +05:30
shenlong-tanwen	29797dba9e	refactor: owned action assets filter	2026-06-30 04:19:55 +05:30
Padhai_Kaneer	df383c1ead	fix(server): face region coordinates parsing (#29333 )	2026-06-29 17:05:20 +02:00
Santo Shakil	af2efda310	fix(mobile): apply exif orientation to android raw photos (#29337 )	2026-06-29 10:59:09 -04:00
shenlong	5164feb5b4	chore: disable logs in tests (#29360 ) Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>	2026-06-29 09:43:51 -04:00
shenlong	56eb69b328	chore: cleanup unit tests (#29357 ) Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>	2026-06-29 09:38:00 -04:00