BUG533：アプリインポート時エラー発生時のメッセージ表示

backend/app/core/apiexception.py

@@ -1,22 +1,35 @@
 from fastapi import HTTPException, status
+import httpx
 from app.db.schemas import ErrorCreate
 from app.db.session import SessionLocal
 from app.db.crud import create_log
 
 class APIException(Exception):
-
-    def __init__(self,location:str,title:str,content:str,e:Exception):
-      if(str(e) == ''):
-          content += e.detail
-          self.detail = e.detail
-          self.status_code = e.status_code
-      else:
-          self.detail = str(e)
-          content += str(e)
-          self.status_code = 500
-      if(len(content) > 5000):
-         content =content[0:5000]
-      self.error = ErrorCreate(location=location,title=title,content=content)
+    def __init__(self, location: str, title: str, content: str, e: Exception):
+        self.detail = str(e)
+        self.status_code = 500
+        if isinstance(e,httpx.HTTPStatusError):
+            try:
+                error_response = e.response.json()
+                self.detail = error_response.get('message', self.detail)
+                self.status_code = e.response.status_code
+                content += self.detail
+            except ValueError:
+                pass
+        elif hasattr(e, 'detail'):
+            self.detail = e.detail
+            self.status_code = e.status_code if hasattr(e, 'status_code') else 500
+            content += e.detail
+        else:
+            self.detail = str(e)
+            self.status_code = 500
+            content += str(e)
+        
+        if len(content) > 5000:
+            content = content[:5000]
+        
+        self.error = ErrorCreate(location=location, title=title, content=content)
+        super().__init__(self.error)
 
 def writedblog(exc: APIException):
     db = SessionLocal()