Fixed: recipe ingredients sorting

bread/settings.py

@@ -57,6 +57,7 @@
     "recipes.apps.RecipesConfig",
     "api.apps.ApiConfig",
     "rest_framework",
+    "adminsortable2",
 ]
 
 if DEBUG:

recipes/admin/admin.py

@@ -3,6 +3,8 @@
 from django.contrib import admin
 from django.http import HttpRequest
 
+from adminsortable2.admin import SortableTabularInline, SortableAdminBase
+
 from ..models import *
 from .actions import comment_accept, comment_reject
 
@@ -18,15 +20,16 @@ class RecipeCommentInline(admin.TabularInline):
     ordering = ("-created_at",)
 
 
-class RecipeIngredientAdminInline(admin.TabularInline):
+class RecipeIngredientAdminInline(SortableTabularInline):
     model = RecipeIngredient
+    ordering = ["position"]
 
     def get_queryset(self, request):
         return super().get_queryset(request).select_related("ingredient", "measure")
 
 
 @admin.register(Recipe)
-class RecipeAdmin(admin.ModelAdmin):
+class RecipeAdmin(SortableAdminBase, admin.ModelAdmin):
     list_filter = ("category",)
     search_fields = ("name",)
     inlines = (RecipeIngredientAdminInline, RecipeCommentInline)

recipes/migrations/0012_remove_recipeingredient_unique_recipeingredient_position_and_more.py

@@ -0,0 +1,28 @@
+# Generated by Django 4.1.10 on 2023-10-06 16:04
+
+from django.db import migrations, models
+import recipes.storage
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("recipes", "0011_alter_comment_options_alter_category_created_at_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="recipeingredient",
+            name="position",
+            field=models.PositiveIntegerField(verbose_name="№"),
+        ),
+        migrations.AddIndex(
+            model_name="recipeingredient",
+            index=models.Index(
+                fields=["recipe", "position"], name="idx_recipeingredient_position"
+            ),
+        ),
+        migrations.RemoveConstraint(
+            model_name="recipeingredient",
+            name="unique_recipeingredient_position",
+        ),
+    ]

recipes/models.py

@@ -234,10 +234,10 @@ def __str__(self):
         return f"{self.quantity} {self.measure.name} {self.ingredient.name}"
 
     class Meta:
-        constraints = [
-            models.UniqueConstraint(
-                fields=["recipe", "position"], name="unique_recipeingredient_position"
-            )
+        indexes = [
+            models.Index(
+                fields=["recipe", "position"], name="idx_recipeingredient_position"
+            ),
         ]
         ordering = ["recipe", "position"]
         verbose_name = "ингредиент рецепта"

requirements.txt

@@ -2,6 +2,7 @@ Django==4.1.10
 Pillow==10.0.1
 azure-storage-blob==12.13.0
 boto3==1.26.24
+django-admin-sortable2==2.1.10
 django-storages==1.12.3
 djangorestframework==3.14.0
 mysqlclient==2.1.1