Initial commit: svg backend

backend/app/schemas/pricing.py

@@ -0,0 +1,179 @@
+from decimal import Decimal, InvalidOperation
+from typing import List
+
+from pydantic import BaseModel, field_validator
+
+
+class PricingCategoryCreateRequest(BaseModel):
+    name: str
+    code: str | None = None
+
+
+class PricingCategoryUpdateRequest(BaseModel):
+    name: str
+    code: str | None = None
+
+
+class PricingCategoryCreateResponse(BaseModel):
+    pricing_category_id: str
+    scheme_id: str
+    name: str
+    code: str | None
+
+
+class PricingCategoryUpdateResponse(BaseModel):
+    pricing_category_id: str
+    scheme_id: str
+    name: str
+    code: str | None
+
+
+class DeleteResponse(BaseModel):
+    status: str
+
+
+class PriceRuleCreateRequest(BaseModel):
+    pricing_category_id: str | None = None
+    target_type: str
+    target_ref: str
+    amount: Decimal
+    currency: str = "RUB"
+
+    @field_validator("target_type")
+    @classmethod
+    def validate_target_type(cls, value: str) -> str:
+        allowed = {"sector", "group", "seat"}
+        if value not in allowed:
+            raise ValueError("Поле target_type должно быть одним из: sector, group, seat")
+        return value
+
+    @field_validator("currency")
+    @classmethod
+    def validate_currency(cls, value: str) -> str:
+        if value != "RUB":
+            raise ValueError("В v1 поддерживается только валюта RUB")
+        return value
+
+    @field_validator("amount", mode="before")
+    @classmethod
+    def parse_amount(cls, value):
+        if value is None:
+            raise ValueError("Поле amount обязательно")
+        text = str(value).strip()
+        if text == "":
+            raise ValueError("Поле amount обязательно")
+        try:
+            return Decimal(text)
+        except (InvalidOperation, ValueError):
+            raise ValueError("Некорректная сумма. Используйте формат 2500.00")
+
+    @field_validator("amount")
+    @classmethod
+    def validate_amount(cls, value: Decimal) -> Decimal:
+        if value < Decimal("0.00"):
+            raise ValueError("Сумма не может быть отрицательной")
+        if value.quantize(Decimal("0.01")) != value:
+            raise ValueError("Сумма должна быть с точностью до 2 знаков после запятой")
+        return value
+
+
+class PriceRuleUpdateRequest(BaseModel):
+    pricing_category_id: str | None = None
+    target_type: str
+    target_ref: str
+    amount: Decimal
+    currency: str = "RUB"
+
+    @field_validator("target_type")
+    @classmethod
+    def validate_target_type(cls, value: str) -> str:
+        allowed = {"sector", "group", "seat"}
+        if value not in allowed:
+            raise ValueError("Поле target_type должно быть одним из: sector, group, seat")
+        return value
+
+    @field_validator("currency")
+    @classmethod
+    def validate_currency(cls, value: str) -> str:
+        if value != "RUB":
+            raise ValueError("В v1 поддерживается только валюта RUB")
+        return value
+
+    @field_validator("amount", mode="before")
+    @classmethod
+    def parse_amount(cls, value):
+        if value is None:
+            raise ValueError("Поле amount обязательно")
+        text = str(value).strip()
+        if text == "":
+            raise ValueError("Поле amount обязательно")
+        try:
+            return Decimal(text)
+        except (InvalidOperation, ValueError):
+            raise ValueError("Некорректная сумма. Используйте формат 2500.00")
+
+    @field_validator("amount")
+    @classmethod
+    def validate_amount(cls, value: Decimal) -> Decimal:
+        if value < Decimal("0.00"):
+            raise ValueError("Сумма не может быть отрицательной")
+        if value.quantize(Decimal("0.01")) != value:
+            raise ValueError("Сумма должна быть с точностью до 2 знаков после запятой")
+        return value
+
+
+class PriceRuleCreateResponse(BaseModel):
+    price_rule_id: str
+    scheme_id: str
+    pricing_category_id: str | None
+    target_type: str
+    target_ref: str
+    amount: Decimal
+    currency: str
+
+
+class PriceRuleUpdateResponse(BaseModel):
+    price_rule_id: str
+    scheme_id: str
+    pricing_category_id: str | None
+    target_type: str
+    target_ref: str
+    amount: Decimal
+    currency: str
+
+
+class PricingCategoryItem(BaseModel):
+    pricing_category_id: str
+    scheme_id: str
+    name: str
+    code: str | None
+    created_at: str
+
+
+class PriceRuleItem(BaseModel):
+    price_rule_id: str
+    scheme_id: str
+    pricing_category_id: str | None
+    target_type: str
+    target_ref: str
+    amount: Decimal
+    currency: str
+    created_at: str
+
+
+class SchemePricingResponse(BaseModel):
+    categories: List[PricingCategoryItem]
+    rules: List[PriceRuleItem]
+
+
+class EffectiveSeatPriceResponse(BaseModel):
+    scheme_id: str
+    scheme_version_id: str
+    seat_id: str
+    sector_id: str | None
+    group_id: str | None
+    matched_rule_level: str
+    matched_target_ref: str
+    pricing_category_id: str | None
+    amount: Decimal
+    currency: str