feat: billing guest access

external/billing/schemas.py

@@ -0,0 +1,81 @@
+import re
+from typing import List
+
+from pydantic import field_validator
+
+from schemas.base import BaseSchema
+from .enums import NotificationChannel
+from datetime import datetime as dt
+from datetime import date
+
+phone_regexp = re.compile(r'^((\+7)([0-9]){10})$')
+
+
+class CreateBillingRequestValue(BaseSchema):
+    name: str = ""
+    unit: str = "Руб"
+    vat: str = "None"
+
+    price: int
+    amount: int = 1
+
+
+class CreateBillRequestItems(BaseSchema):
+    values: List[CreateBillingRequestValue]
+
+
+class CreateBillRequestSchema(BaseSchema):
+    listener_transaction_id: int
+    payer_name: str
+    payer_inn: int
+    payer_phone: str | None
+    items: CreateBillRequestItems
+
+    @field_validator("payer_phone", mode="before")
+    def payer_phone_validator(cls, phone: str) -> str:
+        if phone is None:
+            return None
+
+        if not phone.startswith("+"):
+            phone = f"+{phone}"
+
+        if phone_regexp.match(phone):
+            return phone
+
+        return None
+
+
+class NotifyReceivedBillRequestSchema(BaseSchema):
+    listener_transaction_id: int
+    channel: NotificationChannel
+    received: bool
+
+
+class CreateBillingResponseSchema(BaseSchema):
+    ok: bool
+
+
+class NotifyReceivedBillResponseSchema(BaseSchema):
+    ok: bool
+
+
+class BillPaymentInfo(BaseSchema):
+    pdf_url: str
+    due_date: date
+    payment_amount: int
+    invoice_number: str
+
+    @field_validator('due_date', mode='plain')
+    def serialize_due_date(value: str) -> date:
+        date = dt.strptime(value, '%Y-%m-%d').date()
+        return date
+
+
+class BillPaymentStatus(BaseSchema):
+    payed: bool
+
+
+class BillStatusUpdateRequest(BaseSchema):
+    listener_transaction_id: int
+    channel: NotificationChannel
+    info: BillPaymentInfo | BillPaymentStatus