add Billing

common/exceptions.py

@@ -0,0 +1,56 @@
+from rest_framework import serializers, status
+
+class ErrorSerializer(serializers.Serializer):
+    """Бизнес-ошибка"""
+
+    error_code = serializers.CharField(
+        help_text='Код ошибки',
+        required=True,
+        max_length=40,
+    )
+    error_message = serializers.CharField(
+        help_text='Краткое описание ошибки',
+        required=True,
+        max_length=255,
+    )
+
+    def update(self, instance, validated_data):
+        pass
+
+    def create(self, validated_data):
+        pass
+
+
+class ErrorResponseSerializer(serializers.Serializer):
+    """Стандартная ошибка"""
+
+    error = ErrorSerializer()
+
+    def update(self, instance, validated_data):
+        pass
+
+    def create(self, validated_data):
+        pass
+
+
+class APIExceptionBase(Exception):
+
+    status_code: int
+
+    def __init__(self, message: str, code: str):
+        if not self.status_code:
+            raise NotImplementedError('status_code is not set')
+
+        self.serializer = ErrorResponseSerializer(
+            {
+                'error': {
+                    'error_code': code,
+                    'error_message': message,
+                },
+            }
+        )
+
+
+class BadRequest(APIExceptionBase):
+
+    status_code = status.HTTP_400_BAD_REQUEST

finance/migrations/0005_application_applicationlog.py

@@ -0,0 +1,46 @@
+# Generated by Django 3.2.4 on 2023-03-02 20:27
+
+import django.core.validators
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('finance', '0004_add_currency_data'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Application',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', models.DateTimeField(auto_now_add=True)),
+                ('last_updated', models.DateTimeField(auto_now=True)),
+                ('payment_id', models.UUIDField(blank=True, editable=False, null=True, unique=True, verbose_name='Id платежа')),
+                ('amount', models.DecimalField(decimal_places=2, default=0, max_digits=11, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Сумма')),
+                ('type', models.CharField(choices=[('refill', 'Ввод'), ('withdrawal', 'Вывод')], max_length=20, verbose_name='Тип платежа')),
+                ('status', models.CharField(choices=[('pending', 'В обработке'), ('waiting_for_capture', 'К зачислению'), ('cancelled', 'Отменено'), ('completed', 'Выполнено'), ('error', 'Ошибка')], max_length=20, verbose_name='Статус')),
+                ('error', models.CharField(blank=True, max_length=3000, null=True, verbose_name='Ошибка')),
+                ('account', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='finance.account', verbose_name='Счет')),
+                ('currency', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='finance.currency', verbose_name='Валюта')),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+        migrations.CreateModel(
+            name='ApplicationLog',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', models.DateTimeField(auto_now_add=True)),
+                ('last_updated', models.DateTimeField(auto_now=True)),
+                ('status', models.CharField(choices=[('pending', 'В обработке'), ('waiting_for_capture', 'К зачислению'), ('cancelled', 'Отменено'), ('completed', 'Выполнено'), ('error', 'Ошибка')], max_length=20, verbose_name='Статус')),
+                ('application', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='finance.application', verbose_name='Заявка')),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]