From a7bb4ddcaa357399cf2ce001b2233b60a22baa58 Mon Sep 17 00:00:00 2001
From: Ernesto Rico Schmidt <ernesto@helsinki.at>
Date: Wed, 29 Mar 2023 15:01:29 -0400
Subject: [PATCH] Add ImageSerializer
---
program/serializers.py | 50 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/program/serializers.py b/program/serializers.py
index 8ec1d823..21f4b476 100644
--- a/program/serializers.py
+++ b/program/serializers.py
@@ -30,6 +30,7 @@ from program.models import (
FundingCategory,
Host,
HostLink,
+ Image,
Language,
LicenseType,
LinkType,
@@ -209,6 +210,55 @@ class ThumbnailsMixin:
return thumbnails
+class ImageSerializer(serializers.ModelSerializer):
+ thumbnails = serializers.SerializerMethodField()
+
+ @staticmethod
+ def get_thumbnails(instance) -> List[str]:
+ """Returns thumbnails"""
+ thumbnails = []
+
+ if instance.image.name and THUMBNAIL_SIZES:
+ for size in THUMBNAIL_SIZES:
+ thumbnails.append(instance.image.crop[size].name)
+
+ return thumbnails
+
+ class Meta:
+ model = Image
+ read_only_fields = (
+ "height",
+ "id",
+ "ppoi",
+ "thumbnails",
+ "width",
+ )
+ fields = (
+ "alt_text",
+ "credits",
+ "image",
+ ) + read_only_fields
+
+ def create(self, validated_data):
+ """Create and return a new Image instance, given the validated data."""
+
+ image = Image.objects.create(**validated_data | self.context)
+ image.save()
+
+ return image
+
+ def update(self, instance, validated_data):
+ """Update and return an existing Image instance, given the validated data."""
+
+ # Only alt_text and credits can be updated.
+ instance.alt_text = validated_data.get("alt_text", instance.alt_text)
+ instance.credits = validated_data.get("credits", instance.credits)
+
+ instance.save()
+
+ return instance
+
+
class HostSerializer(ThumbnailsMixin, serializers.ModelSerializer):
links = HostLinkSerializer(many=True, required=False)
thumbnails = serializers.SerializerMethodField()
--
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