46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
from django.conf import settings
|
|
from rest_framework import serializers
|
|
|
|
from api.posts.models import Post
|
|
|
|
|
|
class PostSerializer(serializers.ModelSerializer):
|
|
# ruff: noqa: N815
|
|
author = serializers.SerializerMethodField()
|
|
likesCount = serializers.SerializerMethodField()
|
|
dislikesCount = serializers.SerializerMethodField()
|
|
|
|
class Meta:
|
|
model = Post
|
|
fields = [
|
|
"id",
|
|
"content",
|
|
"author",
|
|
"tags",
|
|
"createdAt",
|
|
"likesCount",
|
|
"dislikesCount",
|
|
]
|
|
read_only_fields = ["id", "createdAt", "likesCount", "dislikesCount"]
|
|
|
|
# ruff: noqa: N802
|
|
def get_likesCount(self, obj):
|
|
return obj.likes.count()
|
|
|
|
def get_dislikesCount(self, obj):
|
|
return obj.dislikes.count()
|
|
|
|
def get_author(self, obj):
|
|
return obj.author.login
|
|
|
|
def validate_tags(self, value):
|
|
if not isinstance(value, list):
|
|
error = "Tags must be provided as a list."
|
|
raise serializers.ValidationError(error)
|
|
|
|
for tag in value:
|
|
if len(tag) > settings.MAX_TAG_LENGTH:
|
|
error = "Each tag must be 20 characters or fewer."
|
|
raise serializers.ValidationError(error)
|
|
return value
|