refactor: app metadata (#28113)

* refactor: app metadata

* refactor to per row store

* cleanup

* more test

* review changes

* more refactor

* refactor

---------

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>
This commit is contained in:
shenlong
2026-05-05 10:45:51 +07:00
committed by GitHub
parent af39384efb
commit 97100a4362
29 changed files with 14334 additions and 117 deletions
@@ -13,6 +13,7 @@ import 'package:immich_mobile/infrastructure/entities/local_asset.entity.dart';
import 'package:immich_mobile/infrastructure/entities/local_asset.entity.drift.dart';
import 'package:immich_mobile/infrastructure/entities/memory.entity.dart';
import 'package:immich_mobile/infrastructure/entities/memory_asset.entity.dart';
import 'package:immich_mobile/infrastructure/entities/metadata.entity.dart';
import 'package:immich_mobile/infrastructure/entities/partner.entity.dart';
import 'package:immich_mobile/infrastructure/entities/person.entity.dart';
import 'package:immich_mobile/infrastructure/entities/remote_album.entity.dart';
@@ -53,6 +54,7 @@ import 'package:immich_mobile/infrastructure/repositories/db.repository.steps.da
StoreEntity,
TrashedLocalAssetEntity,
AssetEditEntity,
MetadataEntity,
],
include: {'package:immich_mobile/infrastructure/entities/merged_asset.drift'},
)
@@ -84,7 +86,7 @@ class Drift extends $Drift {
}
@override
int get schemaVersion => 24;
int get schemaVersion => 25;
@override
MigrationStrategy get migration => MigrationStrategy(
@@ -250,6 +252,9 @@ class Drift extends $Drift {
await customStatement('DROP INDEX IF EXISTS idx_remote_album_owner_id');
await m.alterTable(TableMigration(v24.remoteAlbumEntity));
},
from24To25: (m, v25) async {
await m.createTable(v25.metadata);
},
),
);
@@ -43,9 +43,11 @@ import 'package:immich_mobile/infrastructure/entities/trashed_local_asset.entity
as i20;
import 'package:immich_mobile/infrastructure/entities/asset_edit.entity.drift.dart'
as i21;
import 'package:immich_mobile/infrastructure/entities/merged_asset.drift.dart'
import 'package:immich_mobile/infrastructure/entities/metadata.entity.drift.dart'
as i22;
import 'package:drift/internal/modular.dart' as i23;
import 'package:immich_mobile/infrastructure/entities/merged_asset.drift.dart'
as i23;
import 'package:drift/internal/modular.dart' as i24;
abstract class $Drift extends i0.GeneratedDatabase {
$Drift(i0.QueryExecutor e) : super(e);
@@ -89,9 +91,12 @@ abstract class $Drift extends i0.GeneratedDatabase {
.$TrashedLocalAssetEntityTable(this);
late final i21.$AssetEditEntityTable assetEditEntity = i21
.$AssetEditEntityTable(this);
i22.MergedAssetDrift get mergedAssetDrift => i23.ReadDatabaseContainer(
late final i22.$MetadataEntityTable metadataEntity = i22.$MetadataEntityTable(
this,
).accessor<i22.MergedAssetDrift>(i22.MergedAssetDrift.new);
);
i23.MergedAssetDrift get mergedAssetDrift => i24.ReadDatabaseContainer(
this,
).accessor<i23.MergedAssetDrift>(i23.MergedAssetDrift.new);
@override
Iterable<i0.TableInfo<i0.Table, Object?>> get allTables =>
allSchemaEntities.whereType<i0.TableInfo<i0.Table, Object?>>();
@@ -129,6 +134,7 @@ abstract class $Drift extends i0.GeneratedDatabase {
storeEntity,
trashedLocalAssetEntity,
assetEditEntity,
metadataEntity,
i10.idxPartnerSharedWithId,
i11.idxLatLng,
i12.idxRemoteAlbumAssetAlbumAsset,
@@ -389,4 +395,6 @@ class $DriftManager {
);
i21.$$AssetEditEntityTableTableManager get assetEditEntity =>
i21.$$AssetEditEntityTableTableManager(_db, _db.assetEditEntity);
i22.$$MetadataEntityTableTableManager get metadataEntity =>
i22.$$MetadataEntityTableTableManager(_db, _db.metadataEntity);
}
@@ -12375,6 +12375,574 @@ class Shape48 extends i0.VersionedTable {
columnsByName['order']! as i1.GeneratedColumn<int>;
}
final class Schema25 extends i0.VersionedSchema {
Schema25({required super.database}) : super(version: 25);
@override
late final List<i1.DatabaseSchemaEntity> entities = [
userEntity,
remoteAssetEntity,
stackEntity,
localAssetEntity,
remoteAlbumEntity,
localAlbumEntity,
localAlbumAssetEntity,
idxLocalAlbumAssetAlbumAsset,
idxLocalAssetChecksum,
idxLocalAssetCloudId,
idxStackPrimaryAssetId,
idxRemoteAssetOwnerChecksum,
uQRemoteAssetsOwnerChecksum,
uQRemoteAssetsOwnerLibraryChecksum,
idxRemoteAssetChecksum,
idxRemoteAssetStackId,
idxRemoteAssetLocalDateTimeDay,
idxRemoteAssetLocalDateTimeMonth,
authUserEntity,
userMetadataEntity,
partnerEntity,
remoteExifEntity,
remoteAlbumAssetEntity,
remoteAlbumUserEntity,
remoteAssetCloudIdEntity,
memoryEntity,
memoryAssetEntity,
personEntity,
assetFaceEntity,
storeEntity,
trashedLocalAssetEntity,
assetEditEntity,
metadata,
idxPartnerSharedWithId,
idxLatLng,
idxRemoteAlbumAssetAlbumAsset,
idxRemoteAssetCloudId,
idxPersonOwnerId,
idxAssetFacePersonId,
idxAssetFaceAssetId,
idxTrashedLocalAssetChecksum,
idxTrashedLocalAssetAlbum,
idxAssetEditAssetId,
];
late final Shape33 userEntity = Shape33(
source: i0.VersionedTable(
entityName: 'user_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(id)'],
columns: [
_column_107,
_column_108,
_column_109,
_column_110,
_column_111,
_column_112,
],
attachedDatabase: database,
),
alias: null,
);
late final Shape34 remoteAssetEntity = Shape34(
source: i0.VersionedTable(
entityName: 'remote_asset_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(id)'],
columns: [
_column_108,
_column_113,
_column_114,
_column_115,
_column_116,
_column_117,
_column_118,
_column_107,
_column_119,
_column_120,
_column_121,
_column_122,
_column_123,
_column_124,
_column_125,
_column_126,
_column_127,
_column_128,
_column_129,
],
attachedDatabase: database,
),
alias: null,
);
late final Shape35 stackEntity = Shape35(
source: i0.VersionedTable(
entityName: 'stack_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(id)'],
columns: [
_column_107,
_column_114,
_column_115,
_column_121,
_column_130,
],
attachedDatabase: database,
),
alias: null,
);
late final Shape36 localAssetEntity = Shape36(
source: i0.VersionedTable(
entityName: 'local_asset_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(id)'],
columns: [
_column_108,
_column_113,
_column_114,
_column_115,
_column_116,
_column_117,
_column_118,
_column_107,
_column_131,
_column_120,
_column_132,
_column_133,
_column_134,
_column_135,
_column_136,
_column_137,
],
attachedDatabase: database,
),
alias: null,
);
late final Shape48 remoteAlbumEntity = Shape48(
source: i0.VersionedTable(
entityName: 'remote_album_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(id)'],
columns: [
_column_107,
_column_108,
_column_138,
_column_114,
_column_115,
_column_139,
_column_140,
_column_141,
],
attachedDatabase: database,
),
alias: null,
);
late final Shape38 localAlbumEntity = Shape38(
source: i0.VersionedTable(
entityName: 'local_album_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(id)'],
columns: [
_column_107,
_column_108,
_column_115,
_column_142,
_column_143,
_column_144,
_column_145,
],
attachedDatabase: database,
),
alias: null,
);
late final Shape39 localAlbumAssetEntity = Shape39(
source: i0.VersionedTable(
entityName: 'local_album_asset_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(asset_id, album_id)'],
columns: [_column_146, _column_147, _column_145],
attachedDatabase: database,
),
alias: null,
);
final i1.Index idxLocalAlbumAssetAlbumAsset = i1.Index(
'idx_local_album_asset_album_asset',
'CREATE INDEX IF NOT EXISTS idx_local_album_asset_album_asset ON local_album_asset_entity (album_id, asset_id)',
);
final i1.Index idxLocalAssetChecksum = i1.Index(
'idx_local_asset_checksum',
'CREATE INDEX IF NOT EXISTS idx_local_asset_checksum ON local_asset_entity (checksum)',
);
final i1.Index idxLocalAssetCloudId = i1.Index(
'idx_local_asset_cloud_id',
'CREATE INDEX IF NOT EXISTS idx_local_asset_cloud_id ON local_asset_entity (i_cloud_id)',
);
final i1.Index idxStackPrimaryAssetId = i1.Index(
'idx_stack_primary_asset_id',
'CREATE INDEX IF NOT EXISTS idx_stack_primary_asset_id ON stack_entity (primary_asset_id)',
);
final i1.Index idxRemoteAssetOwnerChecksum = i1.Index(
'idx_remote_asset_owner_checksum',
'CREATE INDEX IF NOT EXISTS idx_remote_asset_owner_checksum ON remote_asset_entity (owner_id, checksum)',
);
final i1.Index uQRemoteAssetsOwnerChecksum = i1.Index(
'UQ_remote_assets_owner_checksum',
'CREATE UNIQUE INDEX IF NOT EXISTS UQ_remote_assets_owner_checksum ON remote_asset_entity (owner_id, checksum) WHERE(library_id IS NULL)',
);
final i1.Index uQRemoteAssetsOwnerLibraryChecksum = i1.Index(
'UQ_remote_assets_owner_library_checksum',
'CREATE UNIQUE INDEX IF NOT EXISTS UQ_remote_assets_owner_library_checksum ON remote_asset_entity (owner_id, library_id, checksum) WHERE(library_id IS NOT NULL)',
);
final i1.Index idxRemoteAssetChecksum = i1.Index(
'idx_remote_asset_checksum',
'CREATE INDEX IF NOT EXISTS idx_remote_asset_checksum ON remote_asset_entity (checksum)',
);
final i1.Index idxRemoteAssetStackId = i1.Index(
'idx_remote_asset_stack_id',
'CREATE INDEX IF NOT EXISTS idx_remote_asset_stack_id ON remote_asset_entity (stack_id)',
);
final i1.Index idxRemoteAssetLocalDateTimeDay = i1.Index(
'idx_remote_asset_local_date_time_day',
'CREATE INDEX IF NOT EXISTS idx_remote_asset_local_date_time_day ON remote_asset_entity (STRFTIME(\'%Y-%m-%d\', local_date_time))',
);
final i1.Index idxRemoteAssetLocalDateTimeMonth = i1.Index(
'idx_remote_asset_local_date_time_month',
'CREATE INDEX IF NOT EXISTS idx_remote_asset_local_date_time_month ON remote_asset_entity (STRFTIME(\'%Y-%m\', local_date_time))',
);
late final Shape40 authUserEntity = Shape40(
source: i0.VersionedTable(
entityName: 'auth_user_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(id)'],
columns: [
_column_107,
_column_108,
_column_109,
_column_148,
_column_110,
_column_111,
_column_149,
_column_150,
_column_151,
_column_152,
],
attachedDatabase: database,
),
alias: null,
);
late final Shape4 userMetadataEntity = Shape4(
source: i0.VersionedTable(
entityName: 'user_metadata_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(user_id, "key")'],
columns: [_column_153, _column_154, _column_155],
attachedDatabase: database,
),
alias: null,
);
late final Shape41 partnerEntity = Shape41(
source: i0.VersionedTable(
entityName: 'partner_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(shared_by_id, shared_with_id)'],
columns: [_column_156, _column_157, _column_158],
attachedDatabase: database,
),
alias: null,
);
late final Shape42 remoteExifEntity = Shape42(
source: i0.VersionedTable(
entityName: 'remote_exif_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(asset_id)'],
columns: [
_column_159,
_column_160,
_column_161,
_column_162,
_column_163,
_column_164,
_column_117,
_column_116,
_column_165,
_column_166,
_column_167,
_column_168,
_column_135,
_column_136,
_column_169,
_column_170,
_column_171,
_column_172,
_column_173,
_column_174,
_column_175,
_column_176,
],
attachedDatabase: database,
),
alias: null,
);
late final Shape7 remoteAlbumAssetEntity = Shape7(
source: i0.VersionedTable(
entityName: 'remote_album_asset_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(asset_id, album_id)'],
columns: [_column_159, _column_177],
attachedDatabase: database,
),
alias: null,
);
late final Shape10 remoteAlbumUserEntity = Shape10(
source: i0.VersionedTable(
entityName: 'remote_album_user_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(album_id, user_id)'],
columns: [_column_177, _column_153, _column_178],
attachedDatabase: database,
),
alias: null,
);
late final Shape43 remoteAssetCloudIdEntity = Shape43(
source: i0.VersionedTable(
entityName: 'remote_asset_cloud_id_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(asset_id)'],
columns: [
_column_159,
_column_179,
_column_180,
_column_134,
_column_135,
_column_136,
],
attachedDatabase: database,
),
alias: null,
);
late final Shape44 memoryEntity = Shape44(
source: i0.VersionedTable(
entityName: 'memory_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(id)'],
columns: [
_column_107,
_column_114,
_column_115,
_column_124,
_column_121,
_column_113,
_column_181,
_column_182,
_column_183,
_column_184,
_column_185,
_column_186,
],
attachedDatabase: database,
),
alias: null,
);
late final Shape12 memoryAssetEntity = Shape12(
source: i0.VersionedTable(
entityName: 'memory_asset_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(asset_id, memory_id)'],
columns: [_column_159, _column_187],
attachedDatabase: database,
),
alias: null,
);
late final Shape45 personEntity = Shape45(
source: i0.VersionedTable(
entityName: 'person_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(id)'],
columns: [
_column_107,
_column_114,
_column_115,
_column_121,
_column_108,
_column_188,
_column_189,
_column_190,
_column_191,
_column_192,
],
attachedDatabase: database,
),
alias: null,
);
late final Shape46 assetFaceEntity = Shape46(
source: i0.VersionedTable(
entityName: 'asset_face_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(id)'],
columns: [
_column_107,
_column_159,
_column_193,
_column_194,
_column_195,
_column_196,
_column_197,
_column_198,
_column_199,
_column_200,
_column_201,
_column_124,
],
attachedDatabase: database,
),
alias: null,
);
late final Shape18 storeEntity = Shape18(
source: i0.VersionedTable(
entityName: 'store_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(id)'],
columns: [_column_202, _column_203, _column_204],
attachedDatabase: database,
),
alias: null,
);
late final Shape47 trashedLocalAssetEntity = Shape47(
source: i0.VersionedTable(
entityName: 'trashed_local_asset_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(id, album_id)'],
columns: [
_column_108,
_column_113,
_column_114,
_column_115,
_column_116,
_column_117,
_column_118,
_column_107,
_column_205,
_column_131,
_column_120,
_column_132,
_column_206,
_column_137,
],
attachedDatabase: database,
),
alias: null,
);
late final Shape32 assetEditEntity = Shape32(
source: i0.VersionedTable(
entityName: 'asset_edit_entity',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY(id)'],
columns: [
_column_107,
_column_159,
_column_207,
_column_208,
_column_209,
],
attachedDatabase: database,
),
alias: null,
);
late final Shape49 metadata = Shape49(
source: i0.VersionedTable(
entityName: 'metadata',
withoutRowId: true,
isStrict: true,
tableConstraints: ['PRIMARY KEY("key")'],
columns: [_column_210, _column_211, _column_115],
attachedDatabase: database,
),
alias: null,
);
final i1.Index idxPartnerSharedWithId = i1.Index(
'idx_partner_shared_with_id',
'CREATE INDEX IF NOT EXISTS idx_partner_shared_with_id ON partner_entity (shared_with_id)',
);
final i1.Index idxLatLng = i1.Index(
'idx_lat_lng',
'CREATE INDEX IF NOT EXISTS idx_lat_lng ON remote_exif_entity (latitude, longitude)',
);
final i1.Index idxRemoteAlbumAssetAlbumAsset = i1.Index(
'idx_remote_album_asset_album_asset',
'CREATE INDEX IF NOT EXISTS idx_remote_album_asset_album_asset ON remote_album_asset_entity (album_id, asset_id)',
);
final i1.Index idxRemoteAssetCloudId = i1.Index(
'idx_remote_asset_cloud_id',
'CREATE INDEX IF NOT EXISTS idx_remote_asset_cloud_id ON remote_asset_cloud_id_entity (cloud_id)',
);
final i1.Index idxPersonOwnerId = i1.Index(
'idx_person_owner_id',
'CREATE INDEX IF NOT EXISTS idx_person_owner_id ON person_entity (owner_id)',
);
final i1.Index idxAssetFacePersonId = i1.Index(
'idx_asset_face_person_id',
'CREATE INDEX IF NOT EXISTS idx_asset_face_person_id ON asset_face_entity (person_id)',
);
final i1.Index idxAssetFaceAssetId = i1.Index(
'idx_asset_face_asset_id',
'CREATE INDEX IF NOT EXISTS idx_asset_face_asset_id ON asset_face_entity (asset_id)',
);
final i1.Index idxTrashedLocalAssetChecksum = i1.Index(
'idx_trashed_local_asset_checksum',
'CREATE INDEX IF NOT EXISTS idx_trashed_local_asset_checksum ON trashed_local_asset_entity (checksum)',
);
final i1.Index idxTrashedLocalAssetAlbum = i1.Index(
'idx_trashed_local_asset_album',
'CREATE INDEX IF NOT EXISTS idx_trashed_local_asset_album ON trashed_local_asset_entity (album_id)',
);
final i1.Index idxAssetEditAssetId = i1.Index(
'idx_asset_edit_asset_id',
'CREATE INDEX IF NOT EXISTS idx_asset_edit_asset_id ON asset_edit_entity (asset_id)',
);
}
class Shape49 extends i0.VersionedTable {
Shape49({required super.source, required super.alias}) : super.aliased();
i1.GeneratedColumn<String> get key =>
columnsByName['key']! as i1.GeneratedColumn<String>;
i1.GeneratedColumn<String> get value =>
columnsByName['value']! as i1.GeneratedColumn<String>;
i1.GeneratedColumn<String> get updatedAt =>
columnsByName['updated_at']! as i1.GeneratedColumn<String>;
}
i1.GeneratedColumn<String> _column_210(String aliasedName) =>
i1.GeneratedColumn<String>(
'key',
aliasedName,
false,
type: i1.DriftSqlType.string,
$customConstraints: 'NOT NULL',
);
i1.GeneratedColumn<String> _column_211(String aliasedName) =>
i1.GeneratedColumn<String>(
'value',
aliasedName,
false,
type: i1.DriftSqlType.string,
$customConstraints: 'NOT NULL',
);
i0.MigrationStepWithVersion migrationSteps({
required Future<void> Function(i1.Migrator m, Schema2 schema) from1To2,
required Future<void> Function(i1.Migrator m, Schema3 schema) from2To3,
@@ -12399,6 +12967,7 @@ i0.MigrationStepWithVersion migrationSteps({
required Future<void> Function(i1.Migrator m, Schema22 schema) from21To22,
required Future<void> Function(i1.Migrator m, Schema23 schema) from22To23,
required Future<void> Function(i1.Migrator m, Schema24 schema) from23To24,
required Future<void> Function(i1.Migrator m, Schema25 schema) from24To25,
}) {
return (currentVersion, database) async {
switch (currentVersion) {
@@ -12517,6 +13086,11 @@ i0.MigrationStepWithVersion migrationSteps({
final migrator = i1.Migrator(database, schema);
await from23To24(migrator, schema);
return 24;
case 24:
final schema = Schema25(database: database);
final migrator = i1.Migrator(database, schema);
await from24To25(migrator, schema);
return 25;
default:
throw ArgumentError.value('Unknown migration from $currentVersion');
}
@@ -12547,6 +13121,7 @@ i1.OnUpgrade stepByStep({
required Future<void> Function(i1.Migrator m, Schema22 schema) from21To22,
required Future<void> Function(i1.Migrator m, Schema23 schema) from22To23,
required Future<void> Function(i1.Migrator m, Schema24 schema) from23To24,
required Future<void> Function(i1.Migrator m, Schema25 schema) from24To25,
}) => i0.VersionedSchema.stepByStepHelper(
step: migrationSteps(
from1To2: from1To2,
@@ -12572,5 +13147,6 @@ i1.OnUpgrade stepByStep({
from21To22: from21To22,
from22To23: from22To23,
from23To24: from23To24,
from24To25: from24To25,
),
);
@@ -0,0 +1,108 @@
import 'package:drift/drift.dart';
import 'package:immich_mobile/domain/models/config/app_config.dart';
import 'package:immich_mobile/domain/models/config/system_config.dart';
import 'package:immich_mobile/domain/models/metadata_key.dart';
import 'package:immich_mobile/infrastructure/entities/metadata.entity.drift.dart';
import 'package:immich_mobile/infrastructure/repositories/db.repository.dart';
class MetadataRepository extends DriftDatabaseRepository {
final Drift _db;
final Map<MetadataKey, Object> _cache = {};
MetadataRepository._(this._db) : super(_db);
static MetadataRepository? _instance;
static MetadataRepository get instance {
final instance = _instance;
if (instance == null) {
throw StateError('MetadataRepository not initialized. Call ensureInitialized() first');
}
return instance;
}
AppConfig _appConfig = const .new();
AppConfig get appConfig => _appConfig;
SystemConfig _systemConfig = const .new();
SystemConfig get systemConfig => _systemConfig;
static Future<MetadataRepository> ensureInitialized(Drift db) async {
if (_instance == null) {
final instance = MetadataRepository._(db);
await instance._hydrate();
_instance = instance;
}
return _instance!;
}
static Future<void> refresh() async {
instance._cache.clear();
instance._appConfig = const .new();
instance._systemConfig = const .new();
await instance._hydrate();
}
Future<void> _hydrate() async => _hydrateCache(await _db.select(_db.metadataEntity).get());
T _read<T extends Object>(MetadataKey<T> key) => (_cache[key] as T?) ?? key.defaultValue;
Future<void> write<T extends Object>(MetadataKey<T> key, T value) async {
if (_read(key) == value) return;
await _db
.into(_db.metadataEntity)
.insertOnConflictUpdate(
MetadataEntityCompanion.insert(key: key.key, value: key.encode(value), updatedAt: Value(DateTime.now())),
);
_updateCache(key, value);
}
Future<void> delete<T extends Object>(MetadataKey<T> key) async {
await (_db.delete(_db.metadataEntity)..where((t) => t.key.equals(key.key))).go();
_updateCache(key, key.defaultValue);
}
Stream<AppConfig> watchAppConfig() => _watchDomain(MetadataDomain.appConfig).distinct();
Stream<SystemConfig> watchSystemConfig() => _watchDomain(MetadataDomain.systemConfig).distinct();
Stream<T> _watchDomain<T extends Object>(MetadataDomain<T> domain) {
final query = _db.select(_db.metadataEntity)..where((t) => t.key.like('${domain.prefix}.%'));
return query.watch().map((rows) {
_hydrateCache(rows);
return domain.config(this);
});
}
void _hydrateCache(List<MetadataEntityData> rows) {
final keyMap = MetadataKey.asKeyMap();
for (final row in rows) {
final key = keyMap[row.key];
if (key == null) continue;
_updateCache(key, key.decode(row.value));
}
}
void _updateCache<T extends Object>(MetadataKey<T> key, T value) {
if (_cache[key] == value) return;
_cache[key] = value;
key.domain.rebuild(this);
}
}
extension<T extends Object> on MetadataDomain<T> {
T config(MetadataRepository repo) => switch (this) {
.appConfig => repo._appConfig as T,
.systemConfig => repo._systemConfig as T,
};
void rebuild(MetadataRepository repo) {
switch (this) {
case .appConfig:
repo._appConfig = .new(theme: .new(mode: repo._read(.themeMode)));
case .systemConfig:
repo._systemConfig = .new(logLevel: repo._read(.logLevel));
}
}
}