"""Common serializers for app comment."""
from rest_framework import serializers

from comment import models


class CommentSerializer(serializers.ModelSerializer):
    """Comment serializer"""
    nickname = serializers.CharField(read_only=True,
                                     source='user.username')
    is_mine = serializers.BooleanField(read_only=True)
    profile_pic = serializers.SerializerMethodField()

    class Meta:
        """Serializer for model Comment"""
        model = models.Comment
        fields = [
            'id',
            'user_id',
            'is_mine',
            'created',
            'text',
            'mark',
            'nickname',
            'profile_pic'
        ]

    def get_profile_pic(self, obj):
        """Get profile picture URL"""
        return obj.user.get_full_image_url(request=self.context.get('request'))