feat: configurable next action after single mail view (#300) (#308)

lib/data/db/database.dart

@@ -313,6 +313,12 @@ class UserPreferences extends Table {
   IntColumn get id => integer()();
   // 'bottom' (default) | 'top'
   TextColumn get menuPosition => text().withDefault(const Constant('bottom'))();
+  // Added in schema v35: 'bottom' (default) | 'top'
+  TextColumn get mailViewButtonPosition =>
+      text().withDefault(const Constant('bottom'))();
+  // Added in schema v36: 'nextMessage' (default) | 'showMailbox'
+  TextColumn get afterMailViewAction =>
+      text().withDefault(const Constant('nextMessage'))();
 
   @override
   Set<Column> get primaryKey => {id};
@@ -593,6 +599,18 @@ class AppDatabase extends _$AppDatabase {
           if (from < 34) {
             await m.createTable(userPreferences);
           }
+          if (from >= 34 && from < 35) {
+            await m.addColumn(
+              userPreferences,
+              userPreferences.mailViewButtonPosition,
+            );
+          }
+          if (from >= 34 && from < 36) {
+            await m.addColumn(
+              userPreferences,
+              userPreferences.afterMailViewAction,
+            );
+          }
         },
       );
 }

lib/data/repositories/user_preferences_repository_impl.dart

@@ -26,6 +26,28 @@ class UserPreferencesRepositoryImpl implements UserPreferencesRepository {
         );
   }
 
+  @override
+  Future<void> updateMailViewButtonPosition(pref.MenuPosition position) async {
+    await _db.into(_db.userPreferences).insertOnConflictUpdate(
+          UserPreferencesCompanion(
+            id: const Value(_rowId),
+            mailViewButtonPosition: Value(position.name),
+          ),
+        );
+  }
+
+  @override
+  Future<void> updateAfterMailViewAction(
+    pref.AfterMailViewAction action,
+  ) async {
+    await _db.into(_db.userPreferences).insertOnConflictUpdate(
+          UserPreferencesCompanion(
+            id: const Value(_rowId),
+            afterMailViewAction: Value(action.name),
+          ),
+        );
+  }
+
   static pref.UserPreferences _rowToModel(UserPreferencesRow? row) {
     if (row == null) return const pref.UserPreferences();
     return pref.UserPreferences(
@@ -33,6 +55,14 @@ class UserPreferencesRepositoryImpl implements UserPreferencesRepository {
         (e) => e.name == row.menuPosition,
         orElse: () => pref.MenuPosition.bottom,
       ),
+      mailViewButtonPosition: pref.MenuPosition.values.firstWhere(
+        (e) => e.name == row.mailViewButtonPosition,
+        orElse: () => pref.MenuPosition.bottom,
+      ),
+      afterMailViewAction: pref.AfterMailViewAction.values.firstWhere(
+        (e) => e.name == row.afterMailViewAction,
+        orElse: () => pref.AfterMailViewAction.nextMessage,
+      ),
     );
   }
 }