feat(P20T1-1,P20T1-2,P20T1-3): 差旅模型、申请/订单接口与工作流分支

server/prisma/migrations/20260310173221_p20_travel_1_request_intake/migration.sql

@@ -0,0 +1,120 @@
+-- AlterEnum
+ALTER TYPE "DocumentCategoryEntityType" ADD VALUE IF NOT EXISTS 'travel_request';
+
+-- CreateEnum
+CREATE TYPE "TravelRequestStatus" AS ENUM ('draft', 'reviewing', 'approved', 'rejected');
+
+-- CreateEnum
+CREATE TYPE "TravelTripType" AS ENUM ('domestic', 'international');
+
+-- CreateEnum
+CREATE TYPE "TravelSegmentRole" AS ENUM ('outbound', 'return', 'connection');
+
+-- CreateEnum
+CREATE TYPE "TravelTransportType" AS ENUM ('flight', 'train', 'car', 'bus', 'other');
+
+-- AlterTable
+ALTER TABLE "travel_orders" ADD COLUMN "travel_request_id" UUID;
+
+-- AlterTable
+ALTER TABLE "workflow_instances" ADD COLUMN "travel_request_id" UUID;
+
+-- CreateTable
+CREATE TABLE "travel_requests" (
+    "id" UUID NOT NULL,
+    "request_no" TEXT,
+    "applicant_employee_id" UUID NOT NULL,
+    "submitter_id" UUID,
+    "department_id" UUID NOT NULL,
+    "legal_entity_id" UUID NOT NULL,
+    "cost_center_id" UUID NOT NULL,
+    "budget_pool_id" UUID,
+    "purpose" TEXT NOT NULL,
+    "trip_type" "TravelTripType" NOT NULL,
+    "start_date" DATE NOT NULL,
+    "end_date" DATE NOT NULL,
+    "estimated_amount" DECIMAL(14,2) NOT NULL,
+    "status" "TravelRequestStatus" NOT NULL DEFAULT 'draft',
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "created_by" UUID,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+    "updated_by" UUID,
+
+    CONSTRAINT "travel_requests_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "travel_request_segments" (
+    "id" UUID NOT NULL,
+    "travel_request_id" UUID NOT NULL,
+    "sort_order" INTEGER NOT NULL,
+    "segment_role" "TravelSegmentRole" NOT NULL,
+    "transport_type" "TravelTransportType" NOT NULL,
+    "from_city" TEXT NOT NULL,
+    "to_city" TEXT NOT NULL,
+    "depart_at" TIMESTAMP(3) NOT NULL,
+    "arrive_at" TIMESTAMP(3) NOT NULL,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "created_by" UUID,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+    "updated_by" UUID,
+
+    CONSTRAINT "travel_request_segments_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "travel_requests_request_no_key" ON "travel_requests"("request_no");
+
+-- CreateIndex
+CREATE INDEX "idx_travel_requests_applicant_start" ON "travel_requests"("applicant_employee_id", "start_date");
+
+-- CreateIndex
+CREATE INDEX "idx_travel_requests_submitter" ON "travel_requests"("submitter_id");
+
+-- CreateIndex
+CREATE INDEX "idx_travel_requests_department_status" ON "travel_requests"("department_id", "status");
+
+-- CreateIndex
+CREATE INDEX "idx_travel_requests_legal_cost_center" ON "travel_requests"("legal_entity_id", "cost_center_id");
+
+-- CreateIndex
+CREATE INDEX "idx_travel_requests_budget_pool" ON "travel_requests"("budget_pool_id");
+
+-- CreateIndex
+CREATE INDEX "idx_travel_requests_status" ON "travel_requests"("status");
+
+-- CreateIndex
+CREATE INDEX "idx_travel_request_segments_request_sort" ON "travel_request_segments"("travel_request_id", "sort_order");
+
+-- CreateIndex
+CREATE INDEX "travel_orders_travel_request_id_idx" ON "travel_orders"("travel_request_id");
+
+-- CreateIndex
+CREATE INDEX "workflow_instances_travel_request_id_idx" ON "workflow_instances"("travel_request_id");
+
+-- AddForeignKey
+ALTER TABLE "travel_requests" ADD CONSTRAINT "travel_requests_applicant_employee_id_fkey" FOREIGN KEY ("applicant_employee_id") REFERENCES "employees"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "travel_requests" ADD CONSTRAINT "travel_requests_submitter_id_fkey" FOREIGN KEY ("submitter_id") REFERENCES "employees"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "travel_requests" ADD CONSTRAINT "travel_requests_department_id_fkey" FOREIGN KEY ("department_id") REFERENCES "departments"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "travel_requests" ADD CONSTRAINT "travel_requests_legal_entity_id_fkey" FOREIGN KEY ("legal_entity_id") REFERENCES "legal_entities"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "travel_requests" ADD CONSTRAINT "travel_requests_cost_center_id_fkey" FOREIGN KEY ("cost_center_id") REFERENCES "cost_centers"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "travel_requests" ADD CONSTRAINT "travel_requests_budget_pool_id_fkey" FOREIGN KEY ("budget_pool_id") REFERENCES "budget_pools"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "travel_request_segments" ADD CONSTRAINT "travel_request_segments_travel_request_id_fkey" FOREIGN KEY ("travel_request_id") REFERENCES "travel_requests"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "travel_orders" ADD CONSTRAINT "travel_orders_travel_request_id_fkey" FOREIGN KEY ("travel_request_id") REFERENCES "travel_requests"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "workflow_instances" ADD CONSTRAINT "workflow_instances_travel_request_id_fkey" FOREIGN KEY ("travel_request_id") REFERENCES "travel_requests"("id") ON DELETE CASCADE ON UPDATE CASCADE;