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/course.py

@@ -7,27 +7,24 @@ 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, success_return
 
 bp = Blueprint('course', __name__, url_prefix='/course')
 
 
 @bp.route('/me', methods=['GET'])
 @auth_required(request)
+@arc_try
 def course_me(user_id):
     with Connect() as c:
-        try:
-            user = UserOnline(c, user_id)
-            core = ItemCore(c)
-            core.item_id = 'core_course_skip_purchase'
-            core.select(user)
-            x = UserCourseList(c, user)
-            x.select_all()
-            return success_return({
-                'courses': x.to_dict_list(),
-                "stamina_cost": Constant.COURSE_STAMINA_COST,
-                "course_skip_purchase_ticket": core.amount
-            })
-        except ArcError as e:
-            return error_return(e)
-    return error_return()
+        user = UserOnline(c, user_id)
+        core = ItemCore(c)
+        core.item_id = 'core_course_skip_purchase'
+        core.select(user)
+        x = UserCourseList(c, user)
+        x.select_all()
+        return success_return({
+            'courses': x.to_dict_list(),
+            "stamina_cost": Constant.COURSE_STAMINA_COST,
+            "course_skip_purchase_ticket": core.amount
+        })