add tasks app

core/apps/tasks/serializers/comment.py

@@ -0,0 +1,43 @@
+from django.db import transaction
+
+from rest_framework import serializers
+
+from core.apps.tasks.models.comment import Comment
+from core.apps.tasks.models.task import Task
+
+
+class CommentSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Comment
+        fields = [
+            'id', 'message', 'file', 'type', 'created_by'
+        ]
+
+    def get_created_by(self, obj):
+        request = self.context.get('request')
+        return {
+            "id": obj.created_by.id,
+            "full_name": obj.created_by.full_name,
+            "avatar": request.build_absolute_uri(obj.created_by.avatar.url) if obj.created_by.avatar else None
+        }
+
+
+class CommentCreateSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Comment
+        fields = [
+            'id', 'message', 'file', 'type', 'task'
+        ]
+
+    def validate(self, data):
+        task = Task.objects.filter(id=data['task']).first()
+        if not task:
+            raise serializers.ValidationError("Task not found")
+        data['task'] = task
+        return data
+
+    def create(self, validated_data):
+        with transaction.atomic():
+            task = validated_data.pop('task')
+            comment = Comment.objects.create(task=task, created_by=self.context['request'].user, **validated_data)
+            return comment