R47 A1-A8：完成薪资管理模块

2026-03-29 19:05:55 +08:00
@@ -0,0 +1,108 @@
+-- CreateEnum
+CREATE TYPE "SalaryItemType" AS ENUM ('earning', 'deduction');
+
+-- CreateEnum
+CREATE TYPE "PayslipStatus" AS ENUM ('draft', 'issued');
+
+-- CreateTable
+CREATE TABLE "salary_items" (
+    "id" UUID NOT NULL,
+    "name" TEXT NOT NULL,
+    "item_type" "SalaryItemType" NOT NULL,
+    "sort_order" INTEGER NOT NULL,
+    "enabled" BOOLEAN NOT NULL DEFAULT true,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "created_by" UUID,
+    "updated_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_by" UUID,
+
+    CONSTRAINT "salary_items_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "employee_salaries" (
+    "id" UUID NOT NULL,
+    "employee_id" UUID NOT NULL,
+    "salary_item_id" UUID NOT NULL,
+    "monthly_amount" DECIMAL(12,2) NOT NULL,
+    "effective_date" DATE NOT NULL,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "created_by" UUID,
+    "updated_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_by" UUID,
+
+    CONSTRAINT "employee_salaries_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "payslips" (
+    "id" UUID NOT NULL,
+    "employee_id" UUID NOT NULL,
+    "pay_month" DATE NOT NULL,
+    "status" "PayslipStatus" NOT NULL DEFAULT 'draft',
+    "gross_amount" DECIMAL(12,2) NOT NULL DEFAULT 0,
+    "deduction_amount" DECIMAL(12,2) NOT NULL DEFAULT 0,
+    "net_amount" DECIMAL(12,2) NOT NULL DEFAULT 0,
+    "issued_at" TIMESTAMP(3),
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "created_by" UUID,
+    "updated_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_by" UUID,
+
+    CONSTRAINT "payslips_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "payslip_items" (
+    "id" UUID NOT NULL,
+    "payslip_id" UUID NOT NULL,
+    "salary_item_id" UUID NOT NULL,
+    "amount" DECIMAL(12,2) NOT NULL DEFAULT 0,
+
+    CONSTRAINT "payslip_items_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "salary_items_name_key" ON "salary_items"("name");
+
+-- CreateIndex
+CREATE INDEX "idx_salary_items_enabled_sort" ON "salary_items"("enabled", "sort_order");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "employee_salaries_employee_item_effective_ux" ON "employee_salaries"("employee_id", "salary_item_id", "effective_date");
+
+-- CreateIndex
+CREATE INDEX "idx_employee_salaries_employee_effective" ON "employee_salaries"("employee_id", "effective_date");
+
+-- CreateIndex
+CREATE INDEX "idx_employee_salaries_salary_item" ON "employee_salaries"("salary_item_id");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "payslips_employee_month_ux" ON "payslips"("employee_id", "pay_month");
+
+-- CreateIndex
+CREATE INDEX "idx_payslips_month_status" ON "payslips"("pay_month", "status");
+
+-- CreateIndex
+CREATE INDEX "idx_payslips_employee_month" ON "payslips"("employee_id", "pay_month");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "payslip_items_payslip_salary_item_ux" ON "payslip_items"("payslip_id", "salary_item_id");
+
+-- CreateIndex
+CREATE INDEX "idx_payslip_items_salary_item" ON "payslip_items"("salary_item_id");
+
+-- AddForeignKey
+ALTER TABLE "employee_salaries" ADD CONSTRAINT "employee_salaries_employee_id_fkey" FOREIGN KEY ("employee_id") REFERENCES "employees"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "employee_salaries" ADD CONSTRAINT "employee_salaries_salary_item_id_fkey" FOREIGN KEY ("salary_item_id") REFERENCES "salary_items"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "payslips" ADD CONSTRAINT "payslips_employee_id_fkey" FOREIGN KEY ("employee_id") REFERENCES "employees"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "payslip_items" ADD CONSTRAINT "payslip_items_payslip_id_fkey" FOREIGN KEY ("payslip_id") REFERENCES "payslips"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "payslip_items" ADD CONSTRAINT "payslip_items_salary_item_id_fkey" FOREIGN KEY ("salary_item_id") REFERENCES "salary_items"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
@@ -363,6 +363,16 @@ enum EmployeeTrainingStatus {
  cancelled
 }

+enum SalaryItemType {
+  earning
+  deduction
+}
+
+enum PayslipStatus {
+  draft
+  issued
+}
+
 enum PerformanceReviewCycleType {
  monthly
  quarterly
@@ -630,6 +640,8 @@ model Employee {
  contracts                            EmployeeContract[]
  trainings                            EmployeeTraining[]
  certificates                         EmployeeCertificate[]
+  salary_profiles                      EmployeeSalary[]
+  payslips                             Payslip[]
  performance_reviews_received         PerformanceReview[]           @relation("PerformanceReviewEmployee")
  performance_reviews_authored         PerformanceReview[]           @relation("PerformanceReviewReviewer")

@@ -2089,6 +2101,84 @@ model EmployeeCertificate {
  @@map("employee_certificates")
 }

+model SalaryItem {
+  id         String         @id @default(uuid()) @db.Uuid
+  name       String         @unique
+  item_type  SalaryItemType
+  sort_order Int
+  enabled    Boolean        @default(true)
+
+  created_at DateTime @default(now())
+  created_by String?  @db.Uuid
+  updated_at DateTime @default(now()) @updatedAt
+  updated_by String?  @db.Uuid
+
+  employee_salaries EmployeeSalary[]
+  payslip_items     PayslipItem[]
+
+  @@index([enabled, sort_order], map: "idx_salary_items_enabled_sort")
+  @@map("salary_items")
+}
+
+model EmployeeSalary {
+  id             String   @id @default(uuid()) @db.Uuid
+  employee_id    String   @db.Uuid
+  salary_item_id String   @db.Uuid
+  monthly_amount Decimal  @db.Decimal(12, 2)
+  effective_date DateTime @db.Date
+
+  created_at DateTime @default(now())
+  created_by String?  @db.Uuid
+  updated_at DateTime @default(now()) @updatedAt
+  updated_by String?  @db.Uuid
+
+  employee    Employee   @relation(fields: [employee_id], references: [id], onDelete: Cascade)
+  salary_item SalaryItem @relation(fields: [salary_item_id], references: [id], onDelete: Restrict)
+
+  @@unique([employee_id, salary_item_id, effective_date], map: "employee_salaries_employee_item_effective_ux")
+  @@index([employee_id, effective_date], map: "idx_employee_salaries_employee_effective")
+  @@index([salary_item_id], map: "idx_employee_salaries_salary_item")
+  @@map("employee_salaries")
+}
+
+model Payslip {
+  id               String        @id @default(uuid()) @db.Uuid
+  employee_id      String        @db.Uuid
+  pay_month        DateTime      @db.Date
+  status           PayslipStatus @default(draft)
+  gross_amount     Decimal       @default(0) @db.Decimal(12, 2)
+  deduction_amount Decimal       @default(0) @db.Decimal(12, 2)
+  net_amount       Decimal       @default(0) @db.Decimal(12, 2)
+  issued_at        DateTime?
+
+  created_at DateTime @default(now())
+  created_by String?  @db.Uuid
+  updated_at DateTime @default(now()) @updatedAt
+  updated_by String?  @db.Uuid
+
+  employee Employee      @relation(fields: [employee_id], references: [id], onDelete: Cascade)
+  items    PayslipItem[]
+
+  @@unique([employee_id, pay_month], map: "payslips_employee_month_ux")
+  @@index([pay_month, status], map: "idx_payslips_month_status")
+  @@index([employee_id, pay_month], map: "idx_payslips_employee_month")
+  @@map("payslips")
+}
+
+model PayslipItem {
+  id             String   @id @default(uuid()) @db.Uuid
+  payslip_id     String   @db.Uuid
+  salary_item_id String   @db.Uuid
+  amount         Decimal  @default(0) @db.Decimal(12, 2)
+
+  payslip     Payslip    @relation(fields: [payslip_id], references: [id], onDelete: Cascade)
+  salary_item SalaryItem @relation(fields: [salary_item_id], references: [id], onDelete: Restrict)
+
+  @@unique([payslip_id, salary_item_id], map: "payslip_items_payslip_salary_item_ux")
+  @@index([salary_item_id], map: "idx_payslip_items_salary_item")
+  @@map("payslip_items")
+}
+
 model PerformanceReviewCycle {
  id           String                       @id @default(uuid()) @db.Uuid
  name         String