Initial commit: Django backend with Campaign, ContactUs, and Composition APIs

2025-12-17 15:58:07 +03:30
commit 3e100bae99
23 changed files with 1454 additions and 0 deletions
--- a/api/serializers.py
+++ b/api/serializers.py
@@ -0,0 +1,126 @@
+from rest_framework import serializers
+from .models import ContactUs, Composition, Campaign
+
+
+class ContactUsSerializer(serializers.ModelSerializer):
+    """
+    Serializer for ContactUs model.
+    """
+    class Meta:
+        model = ContactUs
+        fields = ['id', 'name', 'email_or_phone', 'description', 'category', 
+                  'created_at', 'updated_at']
+        read_only_fields = ['id', 'created_at', 'updated_at']
+    
+    def validate_email_or_phone(self, value):
+        """Validate that the field contains either email or phone."""
+        if not value or len(value.strip()) == 0:
+            raise serializers.ValidationError("Email or phone number is required.")
+        return value.strip()
+    
+    def validate_name(self, value):
+        """Validate name field."""
+        if not value or len(value.strip()) == 0:
+            raise serializers.ValidationError("Name is required.")
+        return value.strip()
+    
+    def validate_description(self, value):
+        """Validate description field."""
+        if not value or len(value.strip()) == 0:
+            raise serializers.ValidationError("Description is required.")
+        return value.strip()
+
+
+class CompositionSerializer(serializers.ModelSerializer):
+    """
+    Serializer for Composition model.
+    """
+    image_url = serializers.SerializerMethodField()
+    
+    class Meta:
+        model = Composition
+        fields = ['id', 'name', 'description', 'image', 'image_url', 
+                  'created_at', 'updated_at']
+        read_only_fields = ['id', 'created_at', 'updated_at', 'image_url']
+    
+    def get_image_url(self, obj):
+        """Get the full URL of the image."""
+        if obj.image:
+            request = self.context.get('request')
+            if request:
+                return request.build_absolute_uri(obj.image.url)
+            return obj.image.url
+        return None
+    
+    def validate_name(self, value):
+        """Validate name field."""
+        if not value or len(value.strip()) == 0:
+            raise serializers.ValidationError("Name is required.")
+        return value.strip()
+    
+    def validate_description(self, value):
+        """Validate description field."""
+        if not value or len(value.strip()) == 0:
+            raise serializers.ValidationError("Description is required.")
+        return value.strip()
+
+
+class CampaignSerializer(serializers.ModelSerializer):
+    """
+    Serializer for Campaign model.
+    """
+    image_url = serializers.SerializerMethodField()
+    is_active = serializers.SerializerMethodField()
+    is_upcoming = serializers.SerializerMethodField()
+    is_ended = serializers.SerializerMethodField()
+    
+    class Meta:
+        model = Campaign
+        fields = ['id', 'name', 'description', 'start_time', 'end_time', 
+                  'image', 'image_url', 'is_active', 'is_upcoming', 'is_ended',
+                  'created_at', 'updated_at']
+        read_only_fields = ['id', 'created_at', 'updated_at', 'image_url', 
+                           'is_active', 'is_upcoming', 'is_ended']
+    
+    def get_image_url(self, obj):
+        """Get the full URL of the image."""
+        if obj.image:
+            request = self.context.get('request')
+            if request:
+                return request.build_absolute_uri(obj.image.url)
+            return obj.image.url
+        return None
+    
+    def get_is_active(self, obj):
+        """Get campaign active status."""
+        return obj.is_active()
+    
+    def get_is_upcoming(self, obj):
+        """Get campaign upcoming status."""
+        return obj.is_upcoming()
+    
+    def get_is_ended(self, obj):
+        """Get campaign ended status."""
+        return obj.is_ended()
+    
+    def validate(self, data):
+        """Validate that end_time is after start_time."""
+        if 'start_time' in data and 'end_time' in data:
+            if data['end_time'] <= data['start_time']:
+                raise serializers.ValidationError({
+                    'end_time': 'End time must be after start time.'
+                })
+        return data
+    
+    def validate_name(self, value):
+        """Validate name field."""
+        if not value or len(value.strip()) == 0:
+            raise serializers.ValidationError("Name is required.")
+        return value.strip()
+    
+    def validate_description(self, value):
+        """Validate description field."""
+        if not value or len(value.strip()) == 0:
+            raise serializers.ValidationError("Description is required.")
+        return value.strip()
+