#3 クエリの処理

models.py

@@ -39,14 +39,14 @@ class Query (Model):
     @property
     def user (
             self,
-    ) -> User:
+    ) -> User | None:
         return self.belongs_to (User)
 
     @property
     def answer_histories (
             self,
-    ) -> list[QueryAnswerHistory]:
-        return self.has_many (QueryAnswerHistory)
+    ) -> list[Answer]:
+        return [x.answer for x in self.has_many (QueryAnswerHistory)]
 
 
 class QueryAnswerHistory (Model):
@@ -54,6 +54,18 @@ class QueryAnswerHistory (Model):
     query_id:   int
     answer_id:  int
 
+    @property
+    def query (
+            self,
+    ) -> Query:
+        return self.belongs_to (Query)
+
+    @property
+    def answer (
+            self,
+    ) -> Answer:
+        return self.belongs_to (Answer)
+
 
 class User (Model):
     id:         int