init

chat-service/prisma/migrations/20260326130000_init_chat_service/migration.sql

@@ -0,0 +1,43 @@
+CREATE TYPE "UserRole" AS ENUM ('admin', 'user');
+CREATE TYPE "SupportConversationStatus" AS ENUM ('open', 'closed');
+
+CREATE TABLE "SupportConversation" (
+    "id" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "userEmail" TEXT NOT NULL,
+    "assignedAdminId" TEXT,
+    "assignedAdminEmail" TEXT,
+    "status" "SupportConversationStatus" NOT NULL DEFAULT 'open',
+    "userLastReadAt" TIMESTAMP(3),
+    "adminLastReadAt" TIMESTAMP(3),
+    "lastMessageAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "lastUserMessageAt" TIMESTAMP(3),
+    "lastAdminMessageAt" TIMESTAMP(3),
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "SupportConversation_pkey" PRIMARY KEY ("id")
+);
+
+CREATE TABLE "SupportMessage" (
+    "id" TEXT NOT NULL,
+    "conversationId" TEXT NOT NULL,
+    "authorId" TEXT NOT NULL,
+    "authorEmail" TEXT NOT NULL,
+    "authorRole" "UserRole" NOT NULL,
+    "body" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "SupportMessage_pkey" PRIMARY KEY ("id")
+);
+
+CREATE UNIQUE INDEX "SupportConversation_userId_key" ON "SupportConversation"("userId");
+CREATE INDEX "SupportConversation_status_lastMessageAt_idx" ON "SupportConversation"("status", "lastMessageAt");
+CREATE INDEX "SupportConversation_assignedAdminId_idx" ON "SupportConversation"("assignedAdminId");
+CREATE INDEX "SupportMessage_conversationId_createdAt_idx" ON "SupportMessage"("conversationId", "createdAt");
+CREATE INDEX "SupportMessage_authorId_createdAt_idx" ON "SupportMessage"("authorId", "createdAt");
+
+ALTER TABLE "SupportMessage"
+ADD CONSTRAINT "SupportMessage_conversationId_fkey"
+FOREIGN KEY ("conversationId") REFERENCES "SupportConversation"("id") ON DELETE CASCADE ON UPDATE CASCADE;

chat-service/prisma/schema.prisma

@@ -0,0 +1,54 @@
+generator client {
+  provider = "prisma-client-js"
+  output   = "../node_modules/@chat-service/prisma-client"
+}
+
+datasource db {
+  provider = "postgresql"
+  url      = env("CHAT_DATABASE_URL")
+}
+
+enum UserRole {
+  admin
+  user
+}
+
+enum SupportConversationStatus {
+  open
+  closed
+}
+
+model SupportConversation {
+  id                 String                    @id @default(cuid())
+  userId             String                    @unique
+  userEmail          String
+  assignedAdminId    String?
+  assignedAdminEmail String?
+  status             SupportConversationStatus @default(open)
+  userLastReadAt     DateTime?
+  adminLastReadAt    DateTime?
+  lastMessageAt      DateTime                  @default(now())
+  lastUserMessageAt  DateTime?
+  lastAdminMessageAt DateTime?
+  createdAt          DateTime                  @default(now())
+  updatedAt          DateTime                  @updatedAt
+  messages           SupportMessage[]
+
+  @@index([status, lastMessageAt])
+  @@index([assignedAdminId])
+}
+
+model SupportMessage {
+  id              String              @id @default(cuid())
+  conversationId  String
+  authorId        String
+  authorEmail     String
+  authorRole      UserRole
+  body            String
+  createdAt       DateTime            @default(now())
+  updatedAt       DateTime            @updatedAt
+  conversation    SupportConversation @relation(fields: [conversationId], references: [id], onDelete: Cascade)
+
+  @@index([conversationId, createdAt])
+  @@index([authorId, createdAt])
+}