fix: remove 1.106.0 check

(we dont support v1 servers anymore)

mobile/lib/utils/version_compatibility.dart

@@ -1,7 +1,16 @@
-String? getVersionCompatibilityMessage(int _, int appMinor, int _, int serverMinor) {
+import 'package:immich_mobile/utils/semver.dart';
+
+String? getVersionCompatibilityMessage(SemVer serverVersion, SemVer appVersion) {
   // Add latest compat info up top
-  if (serverMinor < 106 && appMinor >= 106) {
-    return 'Your app minor version is not compatible with the server! Please update your server to version v1.106.0 or newer to login';
+
+  // ensure mobile app major version is not behind server major version
+  if (appVersion.major < serverVersion.major) {
+    return 'Your mobile app version is not compatible with the server! Please update your mobile app to the latest version.';
+  }
+
+  // ensure mobile app major version is not ahead of server major version by more than 1 major version
+  if (appVersion.major > serverVersion.major + 1) {
+    return 'Your server version is not compatible with the mobile app! Please update your server to the latest version.';
   }
 
   return null;

mobile/lib/widgets/forms/login/login_form.dart

@@ -26,6 +26,7 @@ import 'package:immich_mobile/providers/websocket.provider.dart';
 import 'package:immich_mobile/repositories/permission.repository.dart';
 import 'package:immich_mobile/routing/router.dart';
 import 'package:immich_mobile/utils/provider_utils.dart';
+import 'package:immich_mobile/utils/semver.dart';
 import 'package:immich_mobile/utils/url_helper.dart';
 import 'package:immich_mobile/utils/version_compatibility.dart';
 import 'package:immich_mobile/widgets/common/immich_logo.dart';
@@ -88,18 +89,9 @@ class LoginForm extends HookConsumerWidget {
     checkVersionMismatch() async {
       try {
         final packageInfo = await PackageInfo.fromPlatform();
-        final appVersion = packageInfo.version;
-        final appMajorVersion = int.parse(appVersion.split('.')[0]);
-        final appMinorVersion = int.parse(appVersion.split('.')[1]);
-        final serverMajorVersion = serverInfo.serverVersion.major;
-        final serverMinorVersion = serverInfo.serverVersion.minor;
-
-        warningMessage.value = getVersionCompatibilityMessage(
-          appMajorVersion,
-          appMinorVersion,
-          serverMajorVersion,
-          serverMinorVersion,
-        );
+        final appSemVer = SemVer.fromString(packageInfo.version);
+        final serverSemVer = serverInfo.serverVersion;
+        warningMessage.value = getVersionCompatibilityMessage(appSemVer, serverSemVer);
       } catch (error) {
         warningMessage.value = 'Error checking version compatibility';
       }

mobile/test/modules/utils/version_compatibility_test.dart

@@ -1,29 +1,47 @@
 import 'package:flutter_test/flutter_test.dart';
+import 'package:immich_mobile/utils/semver.dart';
 import 'package:immich_mobile/utils/version_compatibility.dart';
 
 void main() {
-  test('getVersionCompatibilityMessage', () {
-    String? result;
+  group('app major version behind server', () {
+    const message =
+        'Your mobile app version is not compatible with the server! Please update your mobile app to the latest version.';
 
-    result = getVersionCompatibilityMessage(1, 106, 1, 105);
-    expect(
-      result,
-      'Your app minor version is not compatible with the server! Please update your server to version v1.106.0 or newer to login',
-    );
+    test('returns message when app major is behind server major', () {
+      final result = getVersionCompatibilityMessage(
+        const SemVer(major: 2, minor: 0, patch: 0),
+        const SemVer(major: 1, minor: 200, patch: 0),
+      );
+      expect(result, message);
+    });
 
-    result = getVersionCompatibilityMessage(1, 107, 1, 105);
-    expect(
-      result,
-      'Your app minor version is not compatible with the server! Please update your server to version v1.106.0 or newer to login',
-    );
+    test('returns null when app major matches server major', () {
+      final result = getVersionCompatibilityMessage(
+        const SemVer(major: 2, minor: 0, patch: 0),
+        const SemVer(major: 2, minor: 0, patch: 0),
+      );
+      expect(result, null);
+    });
+  });
 
-    result = getVersionCompatibilityMessage(1, 106, 1, 106);
-    expect(result, null);
+  group('app major version too far ahead of server', () {
+    const message =
+        'Your server version is not compatible with the mobile app! Please update your server to the latest version.';
 
-    result = getVersionCompatibilityMessage(1, 107, 1, 106);
-    expect(result, null);
+    test('returns message when app major is more than one ahead of server', () {
+      final result = getVersionCompatibilityMessage(
+        const SemVer(major: 1, minor: 200, patch: 0),
+        const SemVer(major: 3, minor: 0, patch: 0),
+      );
+      expect(result, message);
+    });
 
-    result = getVersionCompatibilityMessage(1, 107, 1, 108);
-    expect(result, null);
+    test('returns null when app major is exactly one ahead of server', () {
+      final result = getVersionCompatibilityMessage(
+        const SemVer(major: 1, minor: 200, patch: 0),
+        const SemVer(major: 2, minor: 0, patch: 0),
+      );
+      expect(result, null);
+    });
   });
 }