feat(mobile): sqlite timeline (#19197)

* wip: timeline

* more segment extensions

* added scrubber

* refactor: timeline state

* more refactors

* fix scrubber segments

* added remote thumb & thumbhash provider

* feat: merged view

* scrub / merged asset fixes

* rename stuff & add tile indicators

* fix local album timeline query

* ignore hidden assets during sync

* ignore recovered assets during sync

* old scrubber

* add video indicator

* handle groupBy

* handle partner inTimeline

* show duration

* reduce widget nesting in thumb tile

* merge main

* chore: extend cacheExtent

* ignore touch events on scrub label when not visible

* scrub label ignore events and hide immediately

* auto reload on sync

* refactor image providers

* throttle db updates

---------

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>
Co-authored-by: Alex Tran <alex.tran1502@gmail.com>

mobile/lib/domain/models/asset/asset.model.dart

@@ -11,6 +11,7 @@ enum AssetVisibility {
 class Asset extends BaseAsset {
   final String id;
   final String? localId;
+  final String? thumbHash;
   final AssetVisibility visibility;
 
   const Asset({
@@ -25,9 +26,14 @@ class Asset extends BaseAsset {
     super.height,
     super.durationInSeconds,
     super.isFavorite = false,
+    this.thumbHash,
     this.visibility = AssetVisibility.timeline,
   });
 
+  @override
+  AssetState get storage =>
+      localId == null ? AssetState.remote : AssetState.merged;
+
   @override
   String toString() {
     return '''Asset {
@@ -41,6 +47,7 @@ class Asset extends BaseAsset {
    durationInSeconds: ${durationInSeconds ?? "<NA>"},
    localId: ${localId ?? "<NA>"},
    isFavorite: $isFavorite,
+    thumbHash: ${thumbHash ?? "<NA>"},
     visibility: $visibility,
  }''';
   }
@@ -52,10 +59,15 @@ class Asset extends BaseAsset {
     return super == other &&
         id == other.id &&
         localId == other.localId &&
+        thumbHash == other.thumbHash &&
         visibility == other.visibility;
   }
 
   @override
   int get hashCode =>
-      super.hashCode ^ id.hashCode ^ localId.hashCode ^ visibility.hashCode;
+      super.hashCode ^
+      id.hashCode ^
+      localId.hashCode ^
+      thumbHash.hashCode ^
+      visibility.hashCode;
 }

mobile/lib/domain/models/asset/base_asset.model.dart

@@ -9,6 +9,12 @@ enum AssetType {
   audio,
 }
 
+enum AssetState {
+  local,
+  remote,
+  merged,
+}
+
 sealed class BaseAsset {
   final String name;
   final String? checksum;
@@ -32,6 +38,10 @@ sealed class BaseAsset {
     this.isFavorite = false,
   });
 
+  bool get isImage => type == AssetType.image;
+  bool get isVideo => type == AssetType.video;
+  AssetState get storage;
+
   @override
   String toString() {
     return '''BaseAsset {

mobile/lib/domain/models/asset/local_asset.model.dart

@@ -18,6 +18,10 @@ class LocalAsset extends BaseAsset {
     super.isFavorite = false,
   });
 
+  @override
+  AssetState get storage =>
+      remoteId == null ? AssetState.local : AssetState.merged;
+
   @override
   String toString() {
     return '''LocalAsset {

mobile/lib/domain/models/setting.model.dart

@@ -0,0 +1,12 @@
+import 'package:immich_mobile/domain/models/store.model.dart';
+
+enum Setting<T> {
+  tilesPerRow<int>(StoreKey.tilesPerRow, 4),
+  groupAssetsBy<int>(StoreKey.groupAssetsBy, 0),
+  showStorageIndicator<bool>(StoreKey.storageIndicator, true);
+
+  const Setting(this.storeKey, this.defaultValue);
+
+  final StoreKey<T> storeKey;
+  final T defaultValue;
+}

mobile/lib/domain/models/timeline.model.dart

@@ -0,0 +1,40 @@
+enum GroupAssetsBy {
+  day,
+  month,
+  none;
+}
+
+enum HeaderType {
+  none,
+  month,
+  day,
+  monthAndDay;
+}
+
+class Bucket {
+  final int assetCount;
+
+  const Bucket({required this.assetCount});
+
+  @override
+  bool operator ==(covariant Bucket other) {
+    return assetCount == other.assetCount;
+  }
+
+  @override
+  int get hashCode => assetCount.hashCode;
+}
+
+class TimeBucket extends Bucket {
+  final DateTime date;
+
+  const TimeBucket({required this.date, required super.assetCount});
+
+  @override
+  bool operator ==(covariant TimeBucket other) {
+    return super == other && date == other.date;
+  }
+
+  @override
+  int get hashCode => super.hashCode ^ date.hashCode;
+}