feat: add create request

src/application/commands/purchase_request_commands.py

@@ -54,6 +54,54 @@ class GetPurchaseRequestCommand:
         return await self._unit_of_work.purchase_request_repository.get_by_id(request_id)
 
 
+class CreatePurchaseRequestCommand:
+    def __init__(self, unit_of_work: IUnitOfWork, logger: ILogger):
+        self._unit_of_work = unit_of_work
+        self._logger = logger
+
+    @transactional
+    async def __call__(
+        self,
+        *,
+        organization_id: str,
+        usdt_amount: Decimal,
+        status: str = 'submitted',
+        rub_amount: Decimal | None = None,
+        exchange_rate: Decimal | None = None,
+        service_fee_percent: Decimal | None = None,
+        comment: str | None = None,
+        admin_comment: str | None = None,
+        target_wallet_chain: str | None = 'ETH',
+        target_wallet_address: str | None = None,
+        tx_hash: str | None = None,
+        assigned_to: str | None = None,
+    ) -> PurchaseRequestEntity:
+        if status not in VALID_STATUSES:
+            raise ApplicationException(status_code=400, message='Invalid status')
+
+        await self._unit_of_work.legal_entity_repository.get_by_id(organization_id)
+        values: dict[str, Any] = {
+            'organization_id': organization_id,
+            'status': status,
+            'usdt_amount': usdt_amount,
+            'rub_amount': rub_amount,
+            'exchange_rate': exchange_rate,
+            'service_fee_percent': service_fee_percent,
+            'comment': comment,
+            'admin_comment': admin_comment,
+            'target_wallet_chain': target_wallet_chain,
+            'target_wallet_address': target_wallet_address,
+            'tx_hash': tx_hash,
+            'assigned_to': assigned_to,
+        }
+        if status == 'completed':
+            values['completed_at'] = datetime.now(timezone.utc)
+
+        created = await self._unit_of_work.purchase_request_repository.create(values)
+        self._logger.info(f'Purchase request created id={created.id} org={organization_id}')
+        return created
+
+
 class UpdatePurchaseRequestStatusCommand:
     def __init__(self, unit_of_work: IUnitOfWork, logger: ILogger):
         self._unit_of_work = unit_of_work