Code refactoring

- Code refactoring mainly for API
- Delete a useless option in `setting.py`
- Change some constants in Link Play mode

latest version/api/api_code.py

@@ -1,34 +1,32 @@
+from core.error import ArcError
 from flask import jsonify
 
-
-def code_get_msg(code):
-    # api接口code获取msg，返回字符串
-    msg = {
-        0: '',
-        -1: 'See status code',
-        -2: 'No data',
-        -3: 'No data or user',
-        -4: 'No user_id',
-        -100: 'Wrong post data',
-        -101: 'Wrong data type',
-        -102: 'Wrong query parameter',
-        -103: 'Wrong sort parameter',
-        -104: 'Wrong sort order parameter',
-        -201: 'Wrong username or password',
-        -202: 'User is banned',
-        -203: 'Username exists',
-        -204: 'Email address exists',
-        -999: 'Unknown error'
-    }
-
-    return msg[code]
+default_error = ArcError('Unknown Error')
 
 
-def return_encode(code: int = 0, data: dict = {}, status: int = 200, msg: str = ''):
-    # 构造返回，返回jsonify处理过后的response_class
-    if msg == '':
-        msg = code_get_msg(code)
-    if code < 0:
-        return jsonify({'status': status, 'code': code, 'data': {}, 'msg': msg})
-    else:
-        return jsonify({'status': status, 'code': code, 'data': data, 'msg': msg})
+CODE_MSG = {
+    0: '',
+    -1: 'See status code',
+    -2: 'No data',
+    -3: 'No data or user',
+    -4: 'No user_id',
+    -100: 'Wrong post data',
+    -101: 'Wrong data type',
+    -102: 'Wrong query parameter',
+    -103: 'Wrong sort parameter',
+    -104: 'Wrong sort order parameter',
+    -200: 'No permission',
+    -201: 'Wrong username or password',
+    -202: 'User is banned',
+    -203: 'Username exists',
+    -204: 'Email address exists',
+    -999: 'Unknown error'
+}
+
+
+def success_return(data: dict = {}, status: int = 200, msg: str = ''):
+    return jsonify({'code': 0, 'data': data, 'msg': msg}), status
+
+
+def error_return(e: 'ArcError' = default_error, status: int = 200):
+    return jsonify({'code': e.api_error_code, 'data': {} if e.extra_data is None else e.extra_data, 'msg': CODE_MSG[e.api_error_code] if e.message is None else e.message}), status