Refactor code structure and remove redundant changes

backend/api/v1/parks/serializers.py

@@ -0,0 +1,116 @@
+"""
+Park media serializers for ThrillWiki API v1.
+
+This module contains serializers for park-specific media functionality.
+"""
+
+from rest_framework import serializers
+from apps.parks.models import ParkPhoto
+
+
+class ParkPhotoOutputSerializer(serializers.ModelSerializer):
+    """Output serializer for park photos."""
+
+    uploaded_by_username = serializers.CharField(
+        source='uploaded_by.username', read_only=True)
+    file_size = serializers.ReadOnlyField()
+    dimensions = serializers.ReadOnlyField()
+    park_slug = serializers.CharField(source='park.slug', read_only=True)
+    park_name = serializers.CharField(source='park.name', read_only=True)
+
+    class Meta:
+        model = ParkPhoto
+        fields = [
+            'id',
+            'image',
+            'caption',
+            'alt_text',
+            'is_primary',
+            'is_approved',
+            'created_at',
+            'updated_at',
+            'date_taken',
+            'uploaded_by_username',
+            'file_size',
+            'dimensions',
+            'park_slug',
+            'park_name',
+        ]
+        read_only_fields = [
+            'id',
+            'created_at',
+            'updated_at',
+            'uploaded_by_username',
+            'file_size',
+            'dimensions',
+            'park_slug',
+            'park_name',
+        ]
+
+
+class ParkPhotoCreateInputSerializer(serializers.ModelSerializer):
+    """Input serializer for creating park photos."""
+
+    class Meta:
+        model = ParkPhoto
+        fields = [
+            'image',
+            'caption',
+            'alt_text',
+            'is_primary',
+        ]
+
+
+class ParkPhotoUpdateInputSerializer(serializers.ModelSerializer):
+    """Input serializer for updating park photos."""
+
+    class Meta:
+        model = ParkPhoto
+        fields = [
+            'caption',
+            'alt_text',
+            'is_primary',
+        ]
+
+
+class ParkPhotoListOutputSerializer(serializers.ModelSerializer):
+    """Simplified output serializer for park photo lists."""
+
+    uploaded_by_username = serializers.CharField(
+        source='uploaded_by.username', read_only=True)
+
+    class Meta:
+        model = ParkPhoto
+        fields = [
+            'id',
+            'image',
+            'caption',
+            'is_primary',
+            'is_approved',
+            'created_at',
+            'uploaded_by_username',
+        ]
+        read_only_fields = fields
+
+
+class ParkPhotoApprovalInputSerializer(serializers.Serializer):
+    """Input serializer for photo approval operations."""
+
+    photo_ids = serializers.ListField(
+        child=serializers.IntegerField(),
+        help_text="List of photo IDs to approve"
+    )
+    approve = serializers.BooleanField(
+        default=True,
+        help_text="Whether to approve (True) or reject (False) the photos"
+    )
+
+
+class ParkPhotoStatsOutputSerializer(serializers.Serializer):
+    """Output serializer for park photo statistics."""
+
+    total_photos = serializers.IntegerField()
+    approved_photos = serializers.IntegerField()
+    pending_photos = serializers.IntegerField()
+    has_primary = serializers.BooleanField()
+    recent_uploads = serializers.IntegerField()