slug genrator for sub category and category and parent filed for sub category serializer

backend/product/admin.py

@@ -13,6 +13,7 @@ class ProductModelAdmin(ModelAdmin, ImportExportModelAdmin):
     import_form_class = ImportForm
     export_form_class = ExportForm
     
+    readonly_fields = ('slug', )
 
     compressed_fields = True
     warn_unsaved_form = True
@@ -31,6 +32,7 @@ class MainCategoryModelAdmin(ModelAdmin, ImportExportModelAdmin):
     import_form_class = ImportForm
     export_form_class = ExportForm
     
+    readonly_fields = ('slug', )
 
     compressed_fields = True
     warn_unsaved_form = True
@@ -46,6 +48,7 @@ class SubCategoryModelAdmin(ModelAdmin, ImportExportModelAdmin):
     import_form_class = ImportForm
     export_form_class = ExportForm
     
+    readonly_fields = ('slug', )
 
     compressed_fields = True
     warn_unsaved_form = True

backend/product/models.py

@@ -19,8 +19,10 @@ class MainCategoryModel(models.Model):
     def __str__(self):
         return self.name
 
-    # def get_absolute_url(self):
+    def save(self, *args, **kwargs):
-    #     return reverse('category_detail', kwargs={'slug': self.slug})
+        if not self.slug:
+            self.slug = slugify(self.name, allow_unicode=True)
+        super().save(*args, **kwargs)
 
 
 class SubCategoryModel(models.Model):
@@ -39,6 +41,10 @@ class SubCategoryModel(models.Model):
 
     def __str__(self):
         return self.name
+    def save(self, *args, **kwargs):
+        if not self.slug:
+            self.slug = slugify(self.name, allow_unicode=True)
+        super().save(*args, **kwargs)
       
 class DollorModel(models.Model):
     price = models.FloatField(null=True, blank=True, verbose_name='قیمت دلار')

backend/product/serializers.py

@@ -37,11 +37,14 @@ class CommentSerializer(serializers.ModelSerializer):
 
 class SubCategorySerializer(serializers.ModelSerializer):
     product_count = serializers.SerializerMethodField()
+    parent = serializers.SerializerMethodField()
     class Meta:
         model = SubCategoryModel
-        fields = ['id', 'name', 'slug','icon', 'meta_title', 'meta_description', 'product_count', 'show']
+        fields = ['id', 'name', 'slug','icon', 'meta_title', 'meta_description', 'product_count', 'show', 'parent']
     def get_product_count(self, obj):
         return obj.products.count()
+    def get_parent(self, obj):
+        return obj.parent.name
 
 
 class MainCategorySerializer(serializers.ModelSerializer):