Fix a bug and add a new thing

- Add support for logging Arcaea's errors
- Fix a bug when world maps' data don't have some unnecessary parts the client of iOS may break down

latest version/server/present.py

@@ -5,34 +5,28 @@ from core.user import UserOnline
 from flask import Blueprint, request
 
 from .auth import auth_required
-from .func import error_return, success_return
+from .func import arc_try, error_return, success_return
 
 bp = Blueprint('present', __name__, url_prefix='/present')
 
 
 @bp.route('/me', methods=['GET'])  # 用户奖励信息
 @auth_required(request)
+@arc_try
 def present_info(user_id):
     with Connect() as c:
-        try:
-            x = UserPresentList(c, UserOnline(c, user_id))
-            x.select_user_presents()
+        x = UserPresentList(c, UserOnline(c, user_id))
+        x.select_user_presents()
 
-            return success_return(x.to_dict_list())
-        except ArcError as e:
-            return error_return(e)
-    return error_return()
+        return success_return(x.to_dict_list())
 
 
 @bp.route('/me/claim/<present_id>', methods=['POST'])  # 礼物确认
 @auth_required(request)
+@arc_try
 def claim_present(user_id, present_id):
     with Connect() as c:
-        try:
-            x = UserPresent(c, UserOnline(c, user_id))
-            x.claim_user_present(present_id)
+        x = UserPresent(c, UserOnline(c, user_id))
+        x.claim_user_present(present_id)
 
-            return success_return()
-        except ArcError as e:
-            return error_return(e)
-    return error_return()
+        return success_return()