Initial commit from monorepo

billing_app/migrations/0001_initial.py

@@ -0,0 +1,65 @@
+# Generated by Django 5.2.9 on 2025-12-10 11:19
+
+import django.db.models.deletion
+import uuid
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Account',
+            fields=[
+                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('name', models.CharField(help_text='Name or identifier for the account', max_length=255)),
+                ('account_type', models.CharField(choices=[('USER', 'User Account'), ('SERVICE', 'Service Account'), ('ASSET', 'Asset Account'), ('LIABILITY', 'Liability Account'), ('REVENUE', 'Revenue Account'), ('EXPENSE', 'Expense Account')], default='USER', help_text='Type of the account (e.g., User, Service, Revenue)', max_length=50)),
+                ('description', models.TextField(blank=True, help_text='Detailed description of the account', null=True)),
+                ('tigerbeetle_account_id', models.BigIntegerField(help_text='The unique ID of this account in TigerBeetle', unique=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+            ],
+            options={
+                'verbose_name': 'Billing Account',
+                'verbose_name_plural': 'Billing Accounts',
+                'ordering': ['-created_at'],
+            },
+        ),
+        migrations.CreateModel(
+            name='TransactionReason',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(help_text='Unique name for the transaction reason', max_length=255, unique=True)),
+                ('description', models.TextField(blank=True, help_text='Detailed description of this transaction reason', null=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+            ],
+            options={
+                'verbose_name': 'Transaction Reason',
+                'verbose_name_plural': 'Transaction Reasons',
+                'ordering': ['name'],
+            },
+        ),
+        migrations.CreateModel(
+            name='Operation',
+            fields=[
+                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('amount', models.DecimalField(decimal_places=4, help_text='The amount transferred in this operation', max_digits=20)),
+                ('state', models.CharField(choices=[('PENDING', 'Pending TigerBeetle transfer'), ('COMPLETED', 'TigerBeetle transfer completed'), ('FAILED', 'TigerBeetle transfer failed')], default='PENDING', help_text='Current state of the TigerBeetle transfer for this operation', max_length=50)),
+                ('tigerbeetle_transfer_id', models.BigIntegerField(blank=True, help_text='The unique ID of the transfer in TigerBeetle, set after successful transfer', null=True, unique=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('destination_account', models.ForeignKey(help_text='The account to which funds are moved', on_delete=django.db.models.deletion.PROTECT, related_name='incoming_operations', to='billing_app.account')),
+                ('source_account', models.ForeignKey(help_text='The account from which funds are moved', on_delete=django.db.models.deletion.PROTECT, related_name='outgoing_operations', to='billing_app.account')),
+                ('reason', models.ForeignKey(help_text='The business reason for this operation', on_delete=django.db.models.deletion.PROTECT, related_name='operations', to='billing_app.transactionreason')),
+            ],
+            options={
+                'verbose_name': 'Business Operation',
+                'verbose_name_plural': 'Business Operations',
+                'ordering': ['-created_at'],
+            },
+        ),
+    ]

billing_app/migrations/0002_remove_account_tigerbeetle_account_id.py

@@ -0,0 +1,17 @@
+# Generated manually
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('billing_app', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='account',
+            name='tigerbeetle_account_id',
+        ),
+    ]

billing_app/migrations/0003_refactor_models.py

@@ -0,0 +1,78 @@
+# Generated manually - refactor billing models
+
+import django.db.models.deletion
+from django.db import migrations, models
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('billing_app', '0002_remove_account_tigerbeetle_account_id'),
+    ]
+
+    operations = [
+        # 1. Delete old models
+        migrations.DeleteModel(
+            name='Operation',
+        ),
+        migrations.DeleteModel(
+            name='TransactionReason',
+        ),
+
+        # 2. Alter Account model - update account_type choices and remove name help_text
+        migrations.AlterField(
+            model_name='account',
+            name='account_type',
+            field=models.CharField(
+                choices=[('USER', 'User Account'), ('SERVICE', 'Service Account')],
+                default='USER',
+                max_length=50,
+            ),
+        ),
+        migrations.AlterField(
+            model_name='account',
+            name='name',
+            field=models.CharField(help_text='Название аккаунта', max_length=255),
+        ),
+        migrations.AlterModelOptions(
+            name='account',
+            options={'ordering': ['-created_at'], 'verbose_name': 'Account', 'verbose_name_plural': 'Accounts'},
+        ),
+
+        # 3. Create OperationCode model
+        migrations.CreateModel(
+            name='OperationCode',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('code', models.PositiveIntegerField(help_text='Числовой код для TigerBeetle', unique=True)),
+                ('name', models.CharField(help_text='Название операции', max_length=255, unique=True)),
+                ('description', models.TextField(blank=True, null=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+            ],
+            options={
+                'verbose_name': 'Operation Code',
+                'verbose_name_plural': 'Operation Codes',
+                'ordering': ['code'],
+            },
+        ),
+
+        # 4. Create ServiceAccount model
+        migrations.CreateModel(
+            name='ServiceAccount',
+            fields=[
+                ('account', models.OneToOneField(
+                    on_delete=models.deletion.CASCADE,
+                    primary_key=True,
+                    related_name='service_info',
+                    serialize=False,
+                    to='billing_app.account'
+                )),
+                ('slug', models.SlugField(help_text='Уникальный идентификатор (bank, revenue, etc)', unique=True)),
+            ],
+            options={
+                'verbose_name': 'Service Account',
+                'verbose_name_plural': 'Service Accounts',
+            },
+        ),
+    ]