Remove migration code and alembic dependency

data/config.json

@@ -17,7 +17,7 @@
     "keep_days": 30
   },
   "other": {
-    "master_password_hash": "$pbkdf2-sha256$29000$DgFgDIHwfk/p/X.PEULIGQ$baPkp2MQxqv8yolTjZ5Ks0fIl9g/Eer3YBE1jjR6qjc",
+    "master_password_hash": "$pbkdf2-sha256$29000$tRZCyFnr/d87x/i/19p7Lw$BoD8EF67N97SRs7kIX8SREbotRwvFntS.WCH9ZwTxHY",
     "anime_directory": "/home/lukas/Volume/serien/"
   },
   "version": "1.0.0"

data/config_backups/config_backup_20251213_085947.json

@@ -0,0 +1,24 @@
+{
+  "name": "Aniworld",
+  "data_dir": "data",
+  "scheduler": {
+    "enabled": true,
+    "interval_minutes": 60
+  },
+  "logging": {
+    "level": "INFO",
+    "file": null,
+    "max_bytes": null,
+    "backup_count": 3
+  },
+  "backup": {
+    "enabled": false,
+    "path": "data/backups",
+    "keep_days": 30
+  },
+  "other": {
+    "master_password_hash": "$pbkdf2-sha256$29000$nbNWSkkJIeTce48xxrh3bg$QXT6A63JqmSLimtTeI04HzC4eKfQS26xFW7UL9Ry5co",
+    "anime_directory": "/home/lukas/Volume/serien/"
+  },
+  "version": "1.0.0"
+}

data/config_backups/config_backup_20251213_090130.json

@@ -0,0 +1,24 @@
+{
+  "name": "Aniworld",
+  "data_dir": "data",
+  "scheduler": {
+    "enabled": true,
+    "interval_minutes": 60
+  },
+  "logging": {
+    "level": "INFO",
+    "file": null,
+    "max_bytes": null,
+    "backup_count": 3
+  },
+  "backup": {
+    "enabled": false,
+    "path": "data/backups",
+    "keep_days": 30
+  },
+  "other": {
+    "master_password_hash": "$pbkdf2-sha256$29000$j5HSWuu9V.rdm9Pa2zunNA$gjQqL753WLBMZtHVOhziVn.vW3Bkq8mGtCzSkbBjSHo",
+    "anime_directory": "/home/lukas/Volume/serien/"
+  },
+  "version": "1.0.0"
+}

docs/identifier_standardization_validation.md

@@ -178,10 +178,6 @@ grep -rn "data-key\|data-folder\|data-series" src/server/web/templates/ --includ
     - [ ] All CRUD operations use `key` for identification
     - [ ] Logging uses `key` in messages
 
-3. **`src/server/database/migrations/`**
-    - [ ] Migration files maintain `key` as unique, indexed column
-    - [ ] No migrations that use `folder` as identifier
-
 **Validation Commands:**
 
 ```bash

docs/infrastructure.md

@@ -60,10 +60,9 @@ Throughout the codebase, three identifiers are used for anime series:
 **Valid examples**: `"attack-on-titan"`, `"one-piece"`, `"86-eighty-six"`, `"re-zero"`
 **Invalid examples**: `"Attack On Titan"`, `"attack_on_titan"`, `"attack on titan"`
 
-### Migration Notes
+### Notes
 
 -   **Backward Compatibility**: API endpoints accepting `anime_id` will check `key` first, then fall back to `folder` lookup
--   **Deprecation**: Folder-based lookups are deprecated and will be removed in a future version
 -   **New Code**: Always use `key` for identification; `folder` is metadata only
 
 ## API Endpoints

requirements.txt

@@ -14,5 +14,4 @@ pytest==7.4.3
 pytest-asyncio==0.21.1
 httpx==0.25.2
 sqlalchemy>=2.0.35
-alembic==1.13.0
 aiosqlite>=0.19.0

scripts/start.sh

@@ -7,7 +7,7 @@
 # installs dependencies, sets up the database, and starts the application.
 #
 # Usage:
-#   ./start.sh [development|production] [--no-install] [--no-migrate]
+#   ./start.sh [development|production] [--no-install]
 #
 # Environment Variables:
 #   ENVIRONMENT: 'development' or 'production' (default: development)
@@ -28,7 +28,6 @@ PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
 CONDA_ENV="${CONDA_ENV:-AniWorld}"
 ENVIRONMENT="${1:-development}"
 INSTALL_DEPS="${INSTALL_DEPS:-true}"
-RUN_MIGRATIONS="${RUN_MIGRATIONS:-true}"
 PORT="${PORT:-8000}"
 HOST="${HOST:-127.0.0.1}"
 
@@ -104,20 +103,6 @@ install_dependencies() {
     log_success "Dependencies installed."
 }
 
-# Run database migrations
-run_migrations() {
-    if [[ "$RUN_MIGRATIONS" != "true" ]]; then
-        log_warning "Skipping database migrations."
-        return
-    fi
-
-    log_info "Running database migrations..."
-    cd "$PROJECT_ROOT"
-    conda run -n "$CONDA_ENV" \
-        python -m alembic upgrade head 2>/dev/null || log_warning "No migrations to run."
-    log_success "Database migrations completed."
-}
-
 # Initialize database
 init_database() {
     log_info "Initializing database..."
@@ -220,10 +205,6 @@ main() {
                 INSTALL_DEPS="false"
                 shift
                 ;;
-            --no-migrate)
-                RUN_MIGRATIONS="false"
-                shift
-                ;;
             *)
                 ENVIRONMENT="$1"
                 shift
@@ -237,7 +218,6 @@ main() {
     create_env_file
     install_dependencies
     init_database
-    run_migrations
     start_application
 }
 

src/server/api/auth.py

@@ -31,7 +31,6 @@ async def setup_auth(req: SetupRequest):
     
     This endpoint also initializes the configuration with default values
     and saves the anime directory and master password hash.
-    If anime_directory is provided, runs migration for existing data files.
     """
     if auth_service.is_configured():
         raise HTTPException(

src/server/api/config.py

@@ -214,14 +214,14 @@ def update_advanced_config(
 async def update_directory(
     directory_config: Dict[str, str], auth: dict = Depends(require_auth)
 ) -> Dict[str, Any]:
-    """Update anime directory configuration and run migration.
+    """Update anime directory configuration.
 
     Args:
         directory_config: Dictionary with 'directory' key
         auth: Authentication token (required)
 
     Returns:
-        Success message with optional migration results
+        Success message
     """
     try:
         directory = directory_config.get("directory")

src/server/database/README.md

@@ -13,7 +13,7 @@ This package provides persistent storage for anime series, episodes, download qu
 Install required dependencies:
 
 ```bash
-pip install sqlalchemy alembic aiosqlite
+pip install sqlalchemy aiosqlite
 ```
 
 Or use the project requirements:
@@ -163,24 +163,6 @@ from src.config.settings import settings
 settings.database_url = "sqlite:///./data/aniworld.db"
 ```
 
-## Migrations (Future)
-
-Alembic is installed for database migrations:
-
-```bash
-# Initialize Alembic
-alembic init alembic
-
-# Generate migration
-alembic revision --autogenerate -m "Description"
-
-# Apply migrations
-alembic upgrade head
-
-# Rollback
-alembic downgrade -1
-```
-
 ## Testing
 
 Run database tests:
@@ -196,7 +178,6 @@ The test suite uses an in-memory SQLite database for isolation and speed.
 -   **base.py**: Base declarative class and mixins
 -   **models.py**: SQLAlchemy ORM models (4 models)
 -   **connection.py**: Engine, session factory, dependency injection
--   **migrations.py**: Alembic migration placeholder
 -   ****init**.py**: Package exports
 -   **service.py**: Service layer with CRUD operations
 
@@ -432,5 +413,4 @@ Solution: Ensure referenced records exist before creating relationships.
 ## Further Reading
 
 -   [SQLAlchemy 2.0 Documentation](https://docs.sqlalchemy.org/en/20/)
--   [Alembic Tutorial](https://alembic.sqlalchemy.org/en/latest/tutorial.html)
 -   [FastAPI with Databases](https://fastapi.tiangolo.com/tutorial/sql-databases/)

src/server/database/init.py

@@ -313,7 +313,6 @@ async def get_schema_version(engine: Optional[AsyncEngine] = None) -> str:
     """Get current database schema version.
     
     Returns version string based on existing tables and structure.
-    For production, consider using Alembic versioning.
     
     Args:
         engine: Optional database engine (uses default if not provided)

src/server/fastapi_app.py

@@ -51,7 +51,7 @@ async def lifespan(app: FastAPI):
     try:
         logger.info("Starting FastAPI application...")
         
-        # Initialize database first (required for migration and other services)
+        # Initialize database first (required for other services)
         try:
             from src.server.database.connection import init_db
             await init_db()

src/server/services/config_service.py

@@ -4,7 +4,7 @@ This service handles:
 - Loading and saving configuration to JSON files
 - Configuration validation
 - Backup and restore functionality
-- Configuration migration for version updates
+- Configuration version management
 """
 
 import json
@@ -35,8 +35,8 @@ class ConfigBackupError(ConfigServiceError):
 class ConfigService:
     """Service for managing application configuration persistence.
     
-    Handles loading, saving, validation, backup, and migration of
+    Handles loading, saving, validation, backup, and version management
-    configuration files. Uses JSON format for human-readable and
+    of configuration files. Uses JSON format for human-readable and
     version-control friendly storage.
     """
     
@@ -84,11 +84,6 @@ class ConfigService:
             with open(self.config_path, "r", encoding="utf-8") as f:
                 data = json.load(f)
             
-            # Check if migration is needed
-            file_version = data.get("version", "1.0.0")
-            if file_version != self.CONFIG_VERSION:
-                data = self._migrate_config(data, file_version)
-            
             # Remove version key before constructing AppConfig
             data.pop("version", None)
             
@@ -329,26 +324,6 @@ class ConfigService:
                 # Ignore errors during cleanup
                 continue
 
-    def _migrate_config(
-        self, data: Dict, from_version: str  # noqa: ARG002
-    ) -> Dict:
-        """Migrate configuration from old version to current.
-        
-        Args:
-            data: Configuration data to migrate
-            from_version: Version to migrate from (reserved for future use)
-            
-        Returns:
-            Dict: Migrated configuration data
-        """
-        # Currently only one version exists
-        # Future migrations would go here
-        # Example:
-        # if from_version == "1.0.0" and self.CONFIG_VERSION == "2.0.0":
-        #     data = self._migrate_1_0_to_2_0(data)
-        
-        return data
-
 
 # Singleton instance
 _config_service: Optional[ConfigService] = None