Tested - current functionality works

Author: user-of-github

core/urls.py

@@ -6,8 +6,8 @@
 
 
 urlpatterns = [
-    path('admin/', admin.site.urls),
-    path('imports/', ImportsAPIView.as_view()),
-    path('delete/<str:to_delete>/', DeleteAPIView.as_view()),
-    path('nodes/<str:to_get>/', NodesAPIView.as_view())
+    path('admin', admin.site.urls),
+    path('imports', ImportsAPIView.as_view()),
+    path('delete/<str:to_delete>', DeleteAPIView.as_view()),
+    path('nodes/<str:to_get>', NodesAPIView.as_view())
 ]

expected.json

@@ -0,0 +1 @@
+{"children": [{"children": [{"children": null, "date": "2022-02-03T15:00:00.000Z", "id": "73bc3b36-02d1-4245-ab35-3106c9ee1c65", "name": "Goldstar 65\" LED UHD LOL Very Smart", "parentId": "1cc0129a-2bfe-474c-9ee6-d435bf5fc8f2", "price": 69999, "type": "OFFER"}, {"children": null, "date": "2022-02-03T12:00:00.000Z", "id": "74b81fda-9cdc-4b63-8927-c978afed5cf4", "name": "Phyllis 50\" LED UHD Smarter", "parentId": "1cc0129a-2bfe-474c-9ee6-d435bf5fc8f2", "price": 49999, "type": "OFFER"}, {"children": null, "date": "2022-02-03T12:00:00.000Z", "id": "98883e8f-0507-482f-bce2-2fb306cf6483", "name": "Samson 70\" LED UHD Smart", "parentId": "1cc0129a-2bfe-474c-9ee6-d435bf5fc8f2", "price": 32999, "type": "OFFER"}], "date": "2022-02-03T15:00:00.000Z", "id": "1cc0129a-2bfe-474c-9ee6-d435bf5fc8f2", "name": "\u0422\u0435\u043b\u0435\u0432\u0438\u0437\u043e\u0440\u044b", "parentId": "069cb8d7-bbdd-47d3-ad8f-82ef4c269df1", "price": 50999, "type": "CATEGORY"}, {"children": [{"children": null, "date": "2022-02-02T12:00:00.000Z", "id": "863e1a7a-1304-42ae-943b-179184c077e3", "name": "jPhone 13", "parentId": "d515e43f-f3f6-4471-bb77-6b455017a2d2", "price": 79999, "type": "OFFER"}, {"children": null, "date": "2022-02-02T12:00:00.000Z", "id": "b1d8fd7d-2ae3-47d5-b2f9-0f094af800d4", "name": "Xomi\u0430 Readme 10", "parentId": "d515e43f-f3f6-4471-bb77-6b455017a2d2", "price": 59999, "type": "OFFER"}], "date": "2022-02-02T12:00:00.000Z", "id": "d515e43f-f3f6-4471-bb77-6b455017a2d2", "name": "\u0421\u043c\u0430\u0440\u0442\u0444\u043e\u043d\u044b", "parentId": "069cb8d7-bbdd-47d3-ad8f-82ef4c269df1", "price": 69999, "type": "CATEGORY"}], "date": "2022-02-03T15:00:00.000Z", "id": "069cb8d7-bbdd-47d3-ad8f-82ef4c269df1", "name": "\u0422\u043e\u0432\u0430\u0440\u044b", "parentId": null, "price": 58599, "type": "CATEGORY"}

response.json

@@ -0,0 +1 @@
+{"children": [{"children": [{"children": null, "date": "2022-02-03T15:00:00.000Z", "id": "73bc3b36-02d1-4245-ab35-3106c9ee1c65", "name": "Goldstar 65\" LED UHD LOL Very Smart", "parentId": "1cc0129a-2bfe-474c-9ee6-d435bf5fc8f2", "price": 69999, "type": "OFFER"}, {"children": null, "date": "2022-02-03T12:00:00.000Z", "id": "74b81fda-9cdc-4b63-8927-c978afed5cf4", "name": "Phyllis 50\" LED UHD Smarter", "parentId": "1cc0129a-2bfe-474c-9ee6-d435bf5fc8f2", "price": 49999, "type": "OFFER"}, {"children": null, "date": "2022-02-03T12:00:00.000Z", "id": "98883e8f-0507-482f-bce2-2fb306cf6483", "name": "Samson 70\" LED UHD Smart", "parentId": "1cc0129a-2bfe-474c-9ee6-d435bf5fc8f2", "price": 32999, "type": "OFFER"}], "date": "2022-02-03T12:00:00.000Z", "id": "1cc0129a-2bfe-474c-9ee6-d435bf5fc8f2", "name": "\u0422\u0435\u043b\u0435\u0432\u0438\u0437\u043e\u0440\u044b", "parentId": "069cb8d7-bbdd-47d3-ad8f-82ef4c269df1", "price": 50999, "type": "CATEGORY"}, {"children": [{"children": null, "date": "2022-02-02T12:00:00.000Z", "id": "863e1a7a-1304-42ae-943b-179184c077e3", "name": "jPhone 13", "parentId": "d515e43f-f3f6-4471-bb77-6b455017a2d2", "price": 79999, "type": "OFFER"}, {"children": null, "date": "2022-02-02T12:00:00.000Z", "id": "b1d8fd7d-2ae3-47d5-b2f9-0f094af800d4", "name": "Xomi\u0430 Readme 10", "parentId": "d515e43f-f3f6-4471-bb77-6b455017a2d2", "price": 59999, "type": "OFFER"}], "date": "2022-02-02T12:00:00.000Z", "id": "d515e43f-f3f6-4471-bb77-6b455017a2d2", "name": "\u0421\u043c\u0430\u0440\u0442\u0444\u043e\u043d\u044b", "parentId": "069cb8d7-bbdd-47d3-ad8f-82ef4c269df1", "price": 69999, "type": "CATEGORY"}], "date": "2022-02-01T12:00:00.000Z", "id": "069cb8d7-bbdd-47d3-ad8f-82ef4c269df1", "name": "\u0422\u043e\u0432\u0430\u0440\u044b", "parentId": null, "price": 58599, "type": "CATEGORY"}

shop/migrations/0007_alter_shopunit_date.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.0.5 on 2022-06-21 11:45
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('shop', '0006_alter_shopunit_price'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='shopunit',
+            name='date',
+            field=models.CharField(max_length=40),
+        ),
+    ]

shop/models.py

@@ -1,12 +1,11 @@
 from django.db import models
-from django.contrib.postgres.fields import ArrayField
 from .custom_types import SHOP_UNIT_TYPES
 
 
 class ShopUnit(models.Model):
     id = models.CharField(max_length=100, null=False, primary_key=True)
     name = models.CharField(max_length=100, null=False)
-    date = models.DateTimeField(null=False)
+    date = models.CharField(max_length=40, null=False)
     parentId = models.CharField(max_length=100, null=True)
     type = models.CharField(max_length=100, null=False, choices=SHOP_UNIT_TYPES)
     price = models.IntegerField(null=True, default=0)

shop/utils.py

@@ -1,7 +1,5 @@
 from datetime import datetime
 from uuid import UUID
-
-from dateutil import parser
 from .custom_types import SHOP_UNIT_TYPES
 from .models import ShopUnit
 
@@ -108,6 +106,18 @@ def update_parent_prices_after_item_updating(nexts_initial, price: int, count: i
         nexts = ShopUnit.objects.filter(id=parent.parentId)
 
 
+def update_parents_date_after_item_updating(nexts_initial, date: str) -> None:
+    print('UPDATING PARENTS DATE')
+    nexts = nexts_initial
+
+    while len(nexts) != 0:
+        parent = nexts[0]
+        print('parent ', parent.name)
+        parent.date = date
+        parent.save()
+        nexts = ShopUnit.objects.filter(id=parent.parentId)
+
+
 def create_new_item(item: dict, date: str) -> None:
     if item['type'] == SHOP_UNIT_TYPES[0][0]: # category
         created_object = ShopUnit.objects.create(
@@ -116,7 +126,7 @@ def create_new_item(item: dict, date: str) -> None:
             parentId=item['parentId'],
             type=item['type'],
             price=None,
-            date=parser.parse(date),
+            date=date,
             totally_inner_goods_count=0,
             total_inner_sum=0
         )
@@ -127,7 +137,7 @@ def create_new_item(item: dict, date: str) -> None:
             parentId=item['parentId'],
             type=item['type'],
             price=item['price'],
-            date=parser.parse(date),
+            date=date,
             totally_inner_goods_count=1,
             total_inner_sum=item['price']
         )
@@ -162,7 +172,7 @@ def update_existing_item(item: dict, date: str) -> None:
         )
 
     existing_item.name = item['name']
-    existing_item.date = parser.parse(date)
+    existing_item.date = date
 
     if item['type'] != SHOP_UNIT_TYPES[0][0]:
         existing_item.price = item['price']
@@ -182,6 +192,7 @@ def update_existing_item(item: dict, date: str) -> None:
             new_parent.save()
 
     update_parent_prices_after_item_updating(ShopUnit.objects.filter(id=existing_item.parentId), existing_item.total_inner_sum, existing_item.totally_inner_goods_count)
+    update_parents_date_after_item_updating(ShopUnit.objects.filter(id=existing_item.parentId), date)
 
     existing_item.save()