feat: 接入数据库，功能基本完成

constants.py

@@ -14,10 +14,30 @@ DEFAULT_DATABASE_PATH = (
     else Path(__file__).parent / "database.test.db"
 )
 
+DEFAULT_THUMB_PATH = (
+    Path(__file__).parent / "thumbs"
+    if not os.getenv("TESTING")
+    else Path(__file__).parent / "thumbs.test"
+)
+
 FFMPEG_COMMAND = "ffmpeg"
 
+MIGRATE_COMMAND = "aerich"
+
 
 class MediaType(IntEnum):
     VIDEO = 2
     AUDIO = 12
     VIDEO_COLLECTION = 21
+
+
+TORTOISE_ORM = {
+    "connections": {"default": f"sqlite://{DEFAULT_DATABASE_PATH}"},
+    "apps": {
+        "models": {
+            "models": ["models", "aerich.models"],
+            "default_connection": "default",
+        },
+    },
+    "use_tz": True,
+}