Files
kevin-asprec 69eac9ffaa feat(01-03): Prisma tenant middleware, PostgreSQL RLS, and isolation tests
- Create src/lib/prisma-tenant.ts:
  - withTenantContext(tenantId) / createTenantPrisma — Prisma $extends client
  - Intercepts findMany, findFirst, findUnique, create, createMany, update,
    updateMany, delete, deleteMany, upsert, count, aggregate, groupBy on User
  - Auto-injects tenantId filter on all reads, writes, and deletes
  - setTenantRLS() helper for explicit RLS enforcement in transactions
  - TENANT_SCOPED_MODELS constant for future extensibility
- Create prisma/migrations/20260304104214_initial_schema — baseline migration
  capturing schema created by initial db push
- Create prisma/migrations/20260304104245_add_rls_policies:
  - ALTER TABLE User ENABLE ROW LEVEL SECURITY
  - CREATE POLICY tenant_isolation_user USING app.current_tenant_id session var
  - Defense-in-depth architecture comments explaining primary vs secondary enforcement
- Create src/lib/__tests__/tenant-isolation.test.ts (6 tests, all passing):
  - Test 1: Tenant A context returns only Tenant A's users (zero from B)
  - Test 2: Tenant B context returns only Tenant B's users (zero from A)
  - Test 3: create() auto-sets tenantId, invisible to other tenant
  - Test 4: findUnique by Tenant B's ID under Tenant A context returns null
  - Additional: findFirst cross-tenant blocked, count() is tenant-scoped
2026-03-04 18:45:13 +08:00

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SQL

-- =============================================================================
-- Initial Schema Migration
-- Created as a baseline to capture the state created by `prisma db push`
-- during project initialization (01-01-PLAN.md).
--
-- This migration is marked as applied without running it (baseline approach)
-- since the schema already exists in the database from the initial db push.
-- =============================================================================
-- CreateEnum
CREATE TYPE "TenantStatus" AS ENUM ('ACTIVE', 'PENDING_SUSPENSION', 'SUSPENDED');
-- CreateEnum
CREATE TYPE "Role" AS ENUM ('ADMIN', 'OFFICE_STAFF', 'COLLECTOR', 'TECHNICIAN', 'CLIENT');
-- CreateTable
CREATE TABLE "Tenant" (
"id" TEXT NOT NULL,
"name" TEXT NOT NULL,
"slug" TEXT NOT NULL,
"ownerEmail" TEXT NOT NULL,
"businessAddress" TEXT,
"contactPhone" TEXT,
"status" "TenantStatus" NOT NULL DEFAULT 'ACTIVE',
"suspendedAt" TIMESTAMP(3),
"gracePeriodEndsAt" TIMESTAMP(3),
"createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
"updatedAt" TIMESTAMP(3) NOT NULL,
CONSTRAINT "Tenant_pkey" PRIMARY KEY ("id")
);
-- CreateTable
CREATE TABLE "User" (
"id" TEXT NOT NULL,
"email" TEXT NOT NULL,
"passwordHash" TEXT NOT NULL,
"firstName" TEXT NOT NULL,
"lastName" TEXT NOT NULL,
"tenantId" TEXT,
"roles" "Role"[],
"isActive" BOOLEAN NOT NULL DEFAULT true,
"isSuperAdmin" BOOLEAN NOT NULL DEFAULT false,
"createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
"updatedAt" TIMESTAMP(3) NOT NULL,
CONSTRAINT "User_pkey" PRIMARY KEY ("id")
);
-- CreateIndex
CREATE UNIQUE INDEX "Tenant_slug_key" ON "Tenant"("slug");
-- CreateIndex
CREATE INDEX "User_tenantId_idx" ON "User"("tenantId");
-- CreateIndex
CREATE UNIQUE INDEX "User_email_tenantId_key" ON "User"("email", "tenantId");
-- AddForeignKey
ALTER TABLE "User" ADD CONSTRAINT "User_tenantId_fkey" FOREIGN KEY ("tenantId") REFERENCES "Tenant"("id") ON DELETE CASCADE ON UPDATE CASCADE;