feat: add TicketComment, TicketAttachment models + notification ticketId

packages/db/prisma/migrations/20260504080000_add_ticket_comments_and_attachments/migration.sql

@@ -0,0 +1,38 @@
+-- CreateTable
+CREATE TABLE "ticket_comments" (
+    "id" TEXT NOT NULL,
+    "tenantId" TEXT NOT NULL,
+    "ticketId" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "content" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "ticket_comments_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "ticket_attachments" (
+    "id" TEXT NOT NULL,
+    "commentId" TEXT NOT NULL,
+    "fileName" TEXT NOT NULL,
+    "filePath" TEXT NOT NULL,
+    "fileType" TEXT NOT NULL,
+    "fileSize" INTEGER NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "ticket_attachments_pkey" PRIMARY KEY ("id")
+);
+
+-- AlterTable: add ticketId to notifications
+ALTER TABLE "notifications" ADD COLUMN "ticketId" TEXT;
+
+-- CreateIndex
+CREATE INDEX "ticket_comments_ticketId_idx" ON "ticket_comments"("ticketId");
+CREATE INDEX "ticket_comments_tenantId_idx" ON "ticket_comments"("tenantId");
+
+-- AddForeignKey
+ALTER TABLE "ticket_comments" ADD CONSTRAINT "ticket_comments_tenantId_fkey" FOREIGN KEY ("tenantId") REFERENCES "tenants"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+ALTER TABLE "ticket_comments" ADD CONSTRAINT "ticket_comments_ticketId_fkey" FOREIGN KEY ("ticketId") REFERENCES "tickets"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+ALTER TABLE "ticket_comments" ADD CONSTRAINT "ticket_comments_userId_fkey" FOREIGN KEY ("userId") REFERENCES "users"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+ALTER TABLE "ticket_attachments" ADD CONSTRAINT "ticket_attachments_commentId_fkey" FOREIGN KEY ("commentId") REFERENCES "ticket_comments"("id") ON DELETE CASCADE ON UPDATE CASCADE;