sync from local backup

message/serializers.py

@@ -0,0 +1,88 @@
+from rest_framework import serializers
+from .models import Message, SystemMessage, SystemMessageRead
+
+
+class MessageListSerializer(serializers.ModelSerializer):
+    sender_name = serializers.SerializerMethodField()
+    sender_avatar = serializers.SerializerMethodField()
+    time = serializers.SerializerMethodField()
+    is_comment = serializers.SerializerMethodField()
+    comment_id = serializers.SerializerMethodField()
+    article_id = serializers.SerializerMethodField()
+    type = serializers.CharField(source='msg_type', read_only=True)
+    extra = serializers.CharField(source='extra_info', read_only=True)
+    link = serializers.CharField(source='target_link', read_only=True)
+
+    class Meta:
+        model = Message
+        fields = [
+            'id', 'type', 'title', 'content', 'time', 'is_read',
+            'sender_name', 'sender_avatar', 'extra', 'link',
+            'is_comment', 'comment_id', 'article_id',
+        ]
+
+    def get_sender_name(self, obj):
+        if obj.sender:
+            return obj.sender.nickname or obj.sender.username
+        return '系统'
+
+    def get_sender_avatar(self, obj):
+        if obj.sender and obj.sender.avatar:
+            request = self.context.get('request')
+            if request:
+                return request.build_absolute_uri(obj.sender.avatar.url)
+            return obj.sender.avatar.url
+        return ''
+
+    def get_time(self, obj):
+        return obj.created_at.strftime('%Y-%m-%d %H:%M')
+
+    def get_is_comment(self, obj):
+        return obj.target_type == 'comment'
+
+    def get_comment_id(self, obj):
+        if obj.target_type == 'comment' and obj.target_id:
+            return str(obj.target_id)
+        return ''
+
+    def get_article_id(self, obj):
+        if obj.target_link:
+            import re
+            match = re.search(r'/article/(\d+)', obj.target_link)
+            if match:
+                return match.group(1)
+        if obj.extra_info:
+            import re
+            match = re.search(r'/article/(\d+)', obj.extra_info)
+            if match:
+                return match.group(1)
+        return None
+
+
+class SystemMessageSerializer(serializers.ModelSerializer):
+    is_read = serializers.SerializerMethodField()
+
+    class Meta:
+        model = SystemMessage
+        fields = ['id', 'title', 'content', 'category', 'icon_name', 'icon_color', 'created_at', 'is_read']
+
+    def get_is_read(self, obj):
+        read_ids = self.context.get('read_ids', set())
+        return obj.id in read_ids
+
+
+class SystemMessageDetailSerializer(serializers.ModelSerializer):
+    is_read = serializers.SerializerMethodField()
+
+    class Meta:
+        model = SystemMessage
+        fields = ['id', 'title', 'content', 'detail', 'category', 'icon_name', 'icon_color', 'created_at', 'is_read']
+
+    def get_is_read(self, obj):
+        request = self.context.get('request')
+        if request and request.user.is_authenticated:
+            return SystemMessageRead.objects.filter(
+                user=request.user,
+                system_message=obj
+            ).exists()
+        return False