add new model and change offer models

core/apps/counterparty/admin/__init__.py

@@ -0,0 +1 @@
+from .counterparty import *

core/apps/counterparty/admin/counterparty.py

@@ -0,0 +1,9 @@
+from django.contrib import admin 
+
+from core.apps.counterparty.models import Counterparty
+
+
+@admin.register(Counterparty)
+class CounterpartyAdmin(admin.ModelAdmin):
+    list_display = ['id', 'name', 'person']
+    

core/apps/counterparty/apps.py

@@ -0,0 +1,10 @@
+from django.apps import AppConfig
+
+
+class CounterpatyConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'core.apps.counterparty'
+
+    def ready(self):
+        from . import admin 
+        

core/apps/counterparty/migrations/0001_initial.py

@@ -0,0 +1,36 @@
+# Generated by Django 5.2.4 on 2025-08-20 13:13
+
+import django.db.models.deletion
+import uuid
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Counterparty',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('name', models.CharField(max_length=200)),
+                ('description', models.TextField(blank=True, null=True)),
+                ('start_date', models.DateField()),
+                ('status', models.CharField(choices=[('active', 'active'), ('inactive', 'inactive')], default='active', max_length=20)),
+                ('type', models.CharField(choices=[('supplier', 'supplier')], max_length=20)),
+                ('person', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='counterparties', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'verbose_name': 'Kontragent',
+                'verbose_name_plural': 'Kontragentlar',
+            },
+        ),
+    ]

core/apps/counterparty/models/__init__.py

@@ -0,0 +1 @@
+from .conterparty import *

core/apps/counterparty/models/conterparty.py

@@ -0,0 +1,22 @@
+from django.db import models
+
+from core.apps.shared.models import BaseModel
+from core.apps.accounts.models import User
+
+
+class Counterparty(BaseModel):
+    name = models.CharField(max_length=200)
+    description = models.TextField(null=True, blank=True)
+    start_date = models.DateField()
+    status = models.CharField(
+        max_length=20, choices=[('active', 'active'), ('inactive', 'inactive')], default='active'
+    )
+    type = models.CharField(max_length=20, choices=[('supplier', 'supplier')])
+    person = models.ForeignKey(User, on_delete=models.CASCADE, related_name='counterparties')
+
+    def __str__(self):
+        return self.name
+    
+    class Meta:
+        verbose_name = 'Kontragent'
+        verbose_name_plural = 'Kontragentlar'

core/apps/counterparty/serializers/counterparty.py

@@ -0,0 +1,14 @@
+from rest_framework import serializers
+
+from core.apps.accounts.serializers.user import UserListSerializer
+from core.apps.counterparty.models import Counterparty
+
+
+class CounterpartySerializer(serializers.ModelSerializer):
+    person = UserListSerializer()
+    
+    class Meta:
+        model = Counterparty
+        fields = [
+            'id', 'name', 'type', 'status', 'description', 'start_date', 'person'
+        ]

core/apps/counterparty/urls.py

@@ -0,0 +1,12 @@
+from django.urls import path, include
+
+from core.apps.counterparty.views import counterparty as cp_views
+
+
+urlpatterns = [
+    path('counterparty/', include(
+        [
+            path('list/', cp_views.CounterpartyListApiView.as_view()),
+        ]
+    ))    
+]

core/apps/counterparty/views/counterparty.py

@@ -0,0 +1,17 @@
+from rest_framework import generics, views
+from rest_framework.response import Response
+
+from core.apps.accounts.permissions.permissions import HasRolePermission
+from core.apps.shared.paginations.custom import CustomPageNumberPagination
+from core.apps.counterparty.models import Counterparty
+from core.apps.counterparty.serializers import counterparty as serializers
+
+
+class CounterpartyListApiView(generics.ListAPIView):
+    serializer_class = serializers.CounterpartySerializer
+    queryset = Counterparty.objects.select_related('person')
+    pagination_class = [HasRolePermission]
+    required_permissions = []
+    pagination_class = CustomPageNumberPagination
+
+