more refactor

web/src/lib/components/workflows/WorkflowPickerField.svelte

@@ -2,8 +2,9 @@
   import WorkflowPickerItemCard from '$lib/components/workflows/WorkflowPickerItemCard.svelte';
   import AlbumPickerModal from '$lib/modals/AlbumPickerModal.svelte';
   import PeoplePickerModal from '$lib/modals/PeoplePickerModal.svelte';
+  import { fetchPickerMetadata, type PickerMetadata } from '$lib/services/workflow.service';
   import type { ComponentConfig } from '$lib/utils/workflow';
-  import { getAlbumInfo, getPerson, type AlbumResponseDto, type PersonResponseDto } from '@immich/sdk';
+  import type { AlbumResponseDto, PersonResponseDto } from '@immich/sdk';
   import { Button, Field, modalManager } from '@immich/ui';
   import { mdiPlus } from '@mdi/js';
   import { t } from 'svelte-i18n';
@@ -22,7 +23,7 @@
   const isAlbum = $derived(subType === 'album-picker');
   const multiple = $derived(component.type === 'multiselect' || Array.isArray(value));
 
-  let pickerMetadata = $state<AlbumResponseDto | PersonResponseDto | AlbumResponseDto[] | PersonResponseDto[]>();
+  let pickerMetadata = $state<PickerMetadata | undefined>();
 
   $effect(() => {
     if (!value) {
@@ -30,34 +31,20 @@
       return;
     }
 
-    void fetchMetadata();
+    if (!pickerMetadata) {
+      void loadMetadata();
+    }
   });
 
-  const fetchMetadata = async () => {
-    if (!value || pickerMetadata) {
-      return;
-    }
-
-    try {
-      if (Array.isArray(value) && value.length > 0) {
-        // Multiple selection
-        pickerMetadata = await (isAlbum
-          ? Promise.all(value.map((id) => getAlbumInfo({ id })))
-          : Promise.all(value.map((id) => getPerson({ id }))));
-      } else if (typeof value === 'string' && value) {
-        // Single selection
-        pickerMetadata = await (isAlbum ? getAlbumInfo({ id: value }) : getPerson({ id: value }));
-      }
-    } catch (error) {
-      console.error(`Failed to fetch metadata for ${configKey}:`, error);
-    }
+  const loadMetadata = async () => {
+    pickerMetadata = await fetchPickerMetadata(value, subType);
   };
 
   const handlePicker = async () => {
     if (isAlbum) {
       const albums = await modalManager.show(AlbumPickerModal, { shared: false });
       if (albums && albums.length > 0) {
-        const newValue = multiple ? albums.map((a) => a.id) : albums[0].id;
+        const newValue = multiple ? albums.map((album) => album.id) : albums[0].id;
         onchange(newValue);
         pickerMetadata = multiple ? albums : albums[0];
       }
@@ -66,7 +53,7 @@
       const excludedIds = multiple ? currentIds : [];
       const people = await modalManager.show(PeoplePickerModal, { multiple, excludedIds });
       if (people && people.length > 0) {
-        const newValue = multiple ? people.map((p) => p.id) : people[0].id;
+        const newValue = multiple ? people.map((person) => person.id) : people[0].id;
         onchange(newValue);
         pickerMetadata = multiple ? people : people[0];
       }

web/src/lib/services/workflow.service.ts

@@ -6,8 +6,12 @@ import { getFormatter } from '$lib/utils/i18n';
 import {
   createWorkflow,
   deleteWorkflow,
+  getAlbumInfo,
+  getPerson,
   PluginTriggerType,
   updateWorkflow,
+  type AlbumResponseDto,
+  type PersonResponseDto,
   type PluginActionResponseDto,
   type PluginContextType,
   type PluginFilterResponseDto,
@@ -21,6 +25,9 @@ import { modalManager, toastManager, type ActionItem } from '@immich/ui';
 import { mdiCodeJson, mdiDelete, mdiPause, mdiPencil, mdiPlay } from '@mdi/js';
 import type { MessageFormatter } from 'svelte-i18n';
 
+export type PickerSubType = 'album-picker' | 'people-picker';
+export type PickerMetadata = AlbumResponseDto | PersonResponseDto | AlbumResponseDto[] | PersonResponseDto[];
+
 export interface WorkflowPayload {
   name: string;
   description: string;
@@ -412,3 +419,30 @@ export const handleDeleteWorkflow = async (workflow: WorkflowResponseDto): Promi
 export const handleNavigateToWorkflow = async (workflow: WorkflowResponseDto): Promise<void> => {
   await goto(`${AppRoute.WORKFLOWS}/${workflow.id}`);
 };
+
+export const fetchPickerMetadata = async (
+  value: string | string[] | undefined,
+  subType: PickerSubType,
+): Promise<PickerMetadata | undefined> => {
+  if (!value) {
+    return undefined;
+  }
+
+  const isAlbum = subType === 'album-picker';
+
+  try {
+    if (Array.isArray(value) && value.length > 0) {
+      // Multiple selection
+      return isAlbum
+        ? await Promise.all(value.map((id) => getAlbumInfo({ id })))
+        : await Promise.all(value.map((id) => getPerson({ id })));
+    } else if (typeof value === 'string' && value) {
+      // Single selection
+      return isAlbum ? await getAlbumInfo({ id: value }) : await getPerson({ id: value });
+    }
+  } catch (error) {
+    console.error(`Failed to fetch picker metadata:`, error);
+  }
+
+  return undefined;
+};