給与管理システム新規作成

backend/app/payroll/settings/schemas.py

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+"""
+給与設定・税率・保険料のスキーマ定義 (Settings Schemas)
+"""
+from pydantic import BaseModel
+from datetime import date, datetime
+from typing import Optional
+from decimal import Decimal
+
+
+class SalarySettingBase(BaseModel):
+    """給与基本設定"""
+    employee_id: int
+    base_salary: Decimal = Decimal("0")
+    hourly_rate: Optional[Decimal] = None
+    employment_type: str  # 正社員/契約社員/パート/アルバイト
+    payment_type: str  # 月給/時給/日給
+    commute_allowance: Decimal = Decimal("0")
+    other_allowance: Decimal = Decimal("0")
+    valid_from: date
+    valid_to: Optional[date] = None
+
+
+class SalarySettingCreate(SalarySettingBase):
+    """給与設定の作成"""
+    pass
+
+
+class SalarySettingUpdate(BaseModel):
+    """給与設定の更新"""
+    base_salary: Optional[Decimal] = None
+    hourly_rate: Optional[Decimal] = None
+    employment_type: Optional[str] = None
+    payment_type: Optional[str] = None
+    commute_allowance: Optional[Decimal] = None
+    other_allowance: Optional[Decimal] = None
+    valid_from: Optional[date] = None
+    valid_to: Optional[date] = None
+
+
+class SalarySetting(SalarySettingBase):
+    """給与設定の情報"""
+    setting_id: int
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class InsuranceRateBase(BaseModel):
+    """社会保険料率"""
+    rate_year: int  # 適用年度（例: 2026）
+    rate_type: str  # 健康保険/介護保険/厚生年金/雇用保険/労災保険
+    calculation_target: str  # 給与/賞与
+    prefecture: str = "東京都"  # 事業所所在地
+    employee_rate: Decimal
+    employer_rate: Decimal
+    care_insurance_age_threshold: Optional[int] = None  # 介護保険適用年齢下限
+    notes: Optional[str] = None
+
+
+class InsuranceRateCreate(InsuranceRateBase):
+    """保険料率の作成"""
+    pass
+
+
+class InsuranceRateUpdate(BaseModel):
+    """保険料率の更新"""
+    rate_year: Optional[int] = None
+    rate_type: Optional[str] = None
+    calculation_target: Optional[str] = None
+    prefecture: Optional[str] = None
+    employee_rate: Optional[Decimal] = None
+    employer_rate: Optional[Decimal] = None
+    care_insurance_age_threshold: Optional[int] = None
+    notes: Optional[str] = None
+
+
+class InsuranceRate(InsuranceRateBase):
+    """保険料率の情報"""
+    rate_id: int
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class IncomeTaxTableBase(BaseModel):
+    """所得税率表"""
+    monthly_income_from: Decimal
+    monthly_income_to: Decimal
+    dependents_count: int = 0
+    tax_amount: Decimal
+    valid_from: date
+    valid_to: Optional[date] = None
+
+
+class IncomeTaxTableCreate(IncomeTaxTableBase):
+    """所得税率表の作成"""
+    pass
+
+
+class IncomeTaxTable(IncomeTaxTableBase):
+    """所得税率表の情報"""
+    tax_id: int
+    created_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+# ========================================
+# 子ども・子育て拠出金率
+# ========================================
+
+class ChildSupportContributionRateBase(BaseModel):
+    """子ども・子育て拠出金率"""
+    rate_year: int  # 適用年度
+    income_threshold: Decimal  # 所得基準額（標準報酬月額）
+    contribution_rate: Decimal  # 拠出金率（事業主負担のみ）
+    notes: Optional[str] = None
+
+
+class ChildSupportContributionRateCreate(ChildSupportContributionRateBase):
+    """子ども・子育て拠出金率の作成"""
+    pass
+
+
+class ChildSupportContributionRateUpdate(BaseModel):
+    """子ども・子育て拠出金率の更新"""
+    income_threshold: Optional[Decimal] = None
+    contribution_rate: Optional[Decimal] = None
+    notes: Optional[str] = None
+
+
+class ChildSupportContributionRate(ChildSupportContributionRateBase):
+    """子ども・子育て拠出金率の情報"""
+    contribution_id: int
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+# ========================================
+# 社会保険料上限設定
+# ========================================
+
+class InsuranceLimitSettingBase(BaseModel):
+    """社会保険料上限設定"""
+    setting_type: str  # 健康保険標準報酬月額上限/厚生年金標準報酬月額上限/通勤手当非課税限度額
+    limit_amount: Decimal
+    valid_from: date
+    valid_to: Optional[date] = None
+    notes: Optional[str] = None
+
+
+class InsuranceLimitSettingCreate(InsuranceLimitSettingBase):
+    """上限設定の作成"""
+    pass
+
+
+class InsuranceLimitSettingUpdate(BaseModel):
+    """上限設定の更新"""
+    limit_amount: Optional[Decimal] = None
+    valid_from: Optional[date] = None
+    valid_to: Optional[date] = None
+    notes: Optional[str] = None
+
+
+class InsuranceLimitSetting(InsuranceLimitSettingBase):
+    """上限設定の情報"""
+    limit_id: int
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+# ========================================
+# 扶養家族判定条件
+# ========================================
+
+class DependentRuleBase(BaseModel):
+    """扶養家族判定条件"""
+    rule_type: str  # 所得限度額/年齢条件/同一生計
+    rule_value: str
+    valid_from: date
+    valid_to: Optional[date] = None
+    description: Optional[str] = None
+
+
+class DependentRuleCreate(DependentRuleBase):
+    """判定条件の作成"""
+    pass
+
+
+class DependentRule(DependentRuleBase):
+    """判定条件の情報"""
+    rule_id: int
+    created_at: datetime
+
+    class Config:
+        from_attributes = True
+
+    """所得税率表の情報"""
+    tax_id: int
+    created_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class IncomeTaxImport(BaseModel):
+    """所得税率表のインポート用"""
+    data: list[IncomeTaxTableCreate]
+    valid_from: date