✨ Feat: [#41] notification 앱 생성 및 알림 조회 구현

notifications/serializers.py

@@ -0,0 +1,32 @@
+from .models import *
+from projects.models import *
+from rest_framework import serializers
+
+class NotificationSerializer(serializers.ModelSerializer):
+    meta = serializers.SerializerMethodField()
+
+    class Meta:
+        model  = Notification
+        fields = ['id', 'content', 'note_type', 'is_read', 'meta']
+
+    def get_meta(self, obj):
+
+        REL_SERIALIZER_MAP = {
+            'project_invitation' : ProjectInvitationMetaSerializer,
+        }
+
+        for rel_name, serializer_cls in REL_SERIALIZER_MAP.items():
+            rel_obj = getattr(obj, rel_name, None)
+            if rel_obj is not None:
+                return serializer_cls(rel_obj).data
+        return None
+
+class ProjectInvitationMetaSerializer(serializers.ModelSerializer):
+    project_invitation_id = serializers.CharField(source='id')
+    project_title      = serializers.CharField(source='project.title')
+    from_user_nickname = serializers.CharField(source='from_user.nickname')
+
+    class Meta:
+        model  = ProjectInvitation
+        fields = ['project_invitation_id', 'project_title', 'from_user_nickname', 'status']
+