photo-live/packages/db-cn/prisma/schema.prisma

// packages/db-cn/prisma/schema.prisma —— CN 侧唯一 schema（Task 8 起步：身份与审计域）。
// 约定：MySQL 8.4、库级 collation utf8mb4_0900_bin（大小写敏感，账号/token 语义依赖它）；
// 时间一律 @db.DateTime(6)；ID cuid；连接池上限由 DATABASE_URL_CN 的 ?connection_limit=10
// 承担，不在应用侧另行放大。
generator client {
  provider = "prisma-client-js"
}

datasource db {
  provider = "mysql"
  url      = env("DATABASE_URL_CN")
}

model users {
  id               String      @id @default(cuid())
  account          String      @unique @db.VarChar(64)
  passwordHash     String      @db.VarChar(255)
  displayName      String      @db.VarChar(128)
  role             String      @default("staff") // staff|admin（公司角色；相册角色另表）
  sourceStatus     String      @default("local") // local|active|disabled（P4a 同步用）
  localLocked      Boolean     @default(false)
  credentialStatus String      @default("active") // active|pending
  locale           String?     @db.VarChar(16)
  createdAt        DateTime    @default(now()) @db.DateTime(6)
  sessions         sessions[]
  auditLogs        audit_logs[]
}

model sessions {
  id        String    @id @default(cuid())
  userId    String
  tokenHash String    @unique @db.VarChar(64)
  // 长效会话期限（默认 30 天，AUTH_SESSION_TTL_SECONDS 可调；不做短时效
  // access/refresh 双层——用户决策 2026-09-17）
  expiresAt DateTime  @db.DateTime(6)
  revokedAt DateTime? @db.DateTime(6) // 注销/停用撤销
  user      users     @relation(fields: [userId], references: [id])
}

model audit_logs {
  id         String   @id @default(cuid())
  actorId    String?
  action     String   @db.VarChar(64)
  resourceId String?  @db.VarChar(64)
  metadata   Json?
  createdAt  DateTime @default(now()) @db.DateTime(6)
  actor      users?   @relation(fields: [actorId], references: [id])
}

// —— 相册域（Task 9）——
// 约定：与身份域不同，相册域一律使用扁平字符串外键（albumId/ownerId/userId/
// categoryId 为纯字符串，不建 Prisma relation/FK 约束）——Task 10 的照片域同此。
// 原因：跨域删除语义（用户注销→相册归属、相册下线→照片保留）由应用层显式
// 决策，不做数据库级联；也避免 TRUNCATE 隔离工具为绕 FK 检查承担更多顺序负担。
model albums {
  id                      String    @id @default(cuid())
  publicToken             String    @unique @db.VarChar(32)
  ownerId                 String    @db.VarChar(64)
  startAt                 DateTime  @db.DateTime(6)
  endAt                   DateTime? @db.DateTime(6)
  timezone                String    @default("Asia/Shanghai") @db.VarChar(64)
  status                  String    @default("active") // active|offline
  defaultLocale           String    @db.VarChar(16)
  uploadEnabled           Boolean   @default(true)
  publicEnabled           Boolean   @default(true)
  downloadEnabled         Boolean   @default(true)
  originalDownloadEnabled Boolean   @default(false)
  watermarkVersion        Int       @default(0)
  createdAt               DateTime  @default(now()) @db.DateTime(6)
  updatedAt               DateTime  @updatedAt @db.DateTime(6)

  @@index([ownerId])
  @@index([status, publicEnabled])
}

model album_translations {
  id          String  @id @default(cuid())
  albumId     String  @db.VarChar(64)
  locale      String  @db.VarChar(16)
  title       String  @db.VarChar(255)
  description String? @db.Text
  venue       String? @db.VarChar(255)
  address     String? @db.VarChar(255)

  @@unique([albumId, locale])
  @@index([albumId])
}

model album_members {
  id      String   @id @default(cuid())
  albumId String   @db.VarChar(64)
  userId  String   @db.VarChar(64)
  role    String   @default("collaborator") // owner|collaborator
  status  String   @default("active")
  addedAt DateTime @default(now()) @db.DateTime(6)

  @@unique([albumId, userId])
  @@index([userId])
}

model categories {
  id        String   @id @default(cuid())
  albumId   String   @db.VarChar(64)
  sortOrder Int      @default(0)
  createdAt DateTime @default(now()) @db.DateTime(6)

  @@index([albumId, sortOrder])
}

model category_translations {
  id         String @id @default(cuid())
  categoryId String @db.VarChar(64)
  locale     String @db.VarChar(16)
  name       String @db.VarChar(128)

  @@unique([categoryId, locale])
}

model album_assets {
  id        String   @id @default(cuid())
  albumId   String   @db.VarChar(64)
  kind      String   @db.VarChar(16) // banner|cover|logo
  locale    String?  @db.VarChar(16)
  objectKey String   @db.VarChar(255)
  createdAt DateTime @default(now()) @db.DateTime(6)

  @@index([albumId, kind])
}

// —— 照片与上传域 + outbox（Task 10）——
// 同相册域约定：扁平字符串外键、无 Prisma relation/FK 约束。
// photos.objectKey 是 originals 正式键（Task 18 上传确认时写入）；
// upload_sessions.objectKey 是 staging 键；outbox_events 承载领域事件
// （契约见 packages/contracts），由 worker 轮询投递。
model photos {
  id              String    @id @default(cuid())
  albumId         String    @db.VarChar(64)
  uploaderId      String    @db.VarChar(64)
  categoryId      String?   @db.VarChar(64)
  objectKey       String    @unique @db.VarChar(255) // originals 正式键
  bytes           Int       @default(0)
  width           Int?
  height          Int?
  shotAt          DateTime? @db.DateTime(6)
  uploadedAt      DateTime? @db.DateTime(6)
  publishedAt     DateTime? @db.DateTime(6)
  processingState String    @default("pending_upload") // pending_upload|uploaded|processing|ready|processing_failed
  errorCode       String?   @db.VarChar(64)
  visibility      String    @default("unpublished")    // unpublished|published|hidden|deleted
  likeCount       Int       @default(0)                // P2 起为统计副本
  entityVersion   Int       @default(1)
  @@index([albumId, visibility, publishedAt, id])
  @@index([albumId, uploaderId, uploadedAt])
}
model photo_variants {
  photoId  String  @db.VarChar(64)
  variant  String  @db.VarChar(32) // thumb|browse
  objectKey String @unique @db.VarChar(255)
  bytes    Int
  version  Int     @default(1)
  width    Int?
  height   Int?
  @@unique([photoId, variant])
}
model upload_sessions {
  id           String   @id @default(cuid())
  userId       String   @db.VarChar(64)
  albumId      String   @db.VarChar(64)
  clientTaskId String   @db.VarChar(128)
  photoId      String   @unique @db.VarChar(64)
  objectKey    String   @unique @db.VarChar(255) // staging 键
  expectedBytes Int
  contentType  String   @db.VarChar(128)
  multipartId  String?  @db.VarChar(255)
  state        String   @default("pending") // pending|confirmed|cancelled|expired（对齐契约 UploadSessionState；核验失败是请求级错误不改会话态，expired 由 expiresAt 判定或 sweep 置位）
  expiresAt    DateTime @db.DateTime(6)
  createdAt    DateTime @default(now()) @db.DateTime(6)
  @@unique([userId, clientTaskId])   // 幂等锚点（A03）
}
model photo_jobs {
  id          String    @id @default(cuid())
  photoId     String    @db.VarChar(64)
  type        String    @default("process") @db.VarChar(32)
  state       String    @default("pending") // pending|active|done|failed
  attempt     Int       @default(0)
  errorCode   String?   @db.VarChar(64)
  nextRetryAt DateTime? @db.DateTime(6)
  updatedAt   DateTime  @updatedAt @db.DateTime(6)
  @@unique([photoId, type])
  @@index([state, nextRetryAt])
}
model outbox_events {
  id            String    @id @default(cuid())
  type          String    @db.VarChar(64)
  albumId       String    @db.VarChar(64)
  photoId       String?   @db.VarChar(64)
  entityVersion Int
  payload       Json
  occurredAt    DateTime  @default(now()) @db.DateTime(6)
  deliveredAt   DateTime? @db.DateTime(6)
  @@index([deliveredAt, occurredAt])
}