Gallery-Archivist/backend/api/files/serializers.py

55 lines
1.5 KiB
Python

from rest_framework import serializers
from apps.files.models import PostFileModel
class PostFileSerializer(serializers.ModelSerializer):
"""Serializer for PostFileModel."""
filename = serializers.SerializerMethodField()
thumbnails = serializers.SerializerMethodField()
download_url = serializers.SerializerMethodField()
class Meta:
model = PostFileModel
fields = [
"hash_blake3",
"file_type",
"file",
"thumbnail",
"filename",
"thumbnails",
"download_url",
]
def get_filename(self, obj):
try:
return obj.name.first().filename
except (AttributeError, IndexError):
return "Unknown"
def get_thumbnails(self, obj):
base_url = f"/api/files/{obj.hash_blake3}/"
thumbnails = {}
for size_key in ["sx", "sm", "md", "lg", "xl"]:
thumbnails[size_key] = f"{base_url}?t={size_key}"
return thumbnails
def get_download_url(self, obj):
return f"/api/files/{obj.hash_blake3}/?d=0"
class FileResponseSerializer(serializers.Serializer):
"""
Dummy serializer for file response schema documentation.
This is only used for OpenAPI schema generation and will never be used to serialize data.
"""
file = serializers.FileField(help_text="The file content")
class ErrorResponseSerializer(serializers.Serializer):
"""
Serializer for error responses.
"""
error = serializers.CharField(help_text="Error message")