update schema.prisma

@@ -9,46 +9,44 @@ datasource db {
 }
 
 model User {
-  id          Int       @default(autoincrement()) @id
-  avatarUrl   String?   @default("")
-  username    String
-  email       String    @unique
-  password    String
-  phoneNum    String    @default("") @unique
-  emailSecret String?   @default("")
-  phoneSecret String?   @default("")
-  bio         String?   @default("")
-  rooms       Room[]    @relation(references: [id])
-  messages    Message[]
-  sender      User[]    @relation("SenderReceiver", references: [id])
-  receiver    User[]    @relation("SenderReceiver", references: [id])
-  createdAt   DateTime? @default(now())
+  id             Int             @default(autoincrement()) @id
+  avatarUrl      String?         @default("")
+  username       String
+  email          String          @unique
+  password       String
+  phoneNum       String          @default("") @unique
+  emailSecret    String?         @default("")
+  phoneSecret    String?         @default("")
+  bio            String?         @default("")
+  groups         Group[]         @relation(references: [id])
+  messages       Message[]
+  directMessages DirectMessage[]
+  createdAt      DateTime?       @default(now())
 }
 
-model Room {
-  id           Int        @default(autoincrement()) @id
-  name         String     @unique
-  participants User[]     @relation(references: [id])
-  categories   Category[]
+model Group {
+  id           Int       @default(autoincrement()) @id
+  name         String    @unique
+  participants User[]
   messages     Message[]
+  files        String?   @default("")
+  createdAt    DateTime? @default(now())
 }
 
-model Category {
-  id       Int       @default(autoincrement()) @id
-  name     String    @default("") @unique
-  room     Room      @relation(fields: [roomId], references: [id])
-  roomId   Int
-  messages Message[]
+model DirectMessage {
+  id        Int       @default(autoincrement()) @id
+  text      String    @default("")
+  sender    User      @relation(fields: [senderId], references: [id])
+  senderId  Int
+  createdAt DateTime? @default(now())
 }
 
 model Message {
-  id         Int       @default(autoincrement()) @id
-  text       String    @default("")
-  sender     User      @relation(fields: [senderId], references: [id])
-  senderId   Int
-  room       Room      @relation(fields: [roomId], references: [id])
-  roomId     Int
-  createdAt  DateTime? @default(now())
-  category   Category? @relation(fields: [categoryId], references: [id])
-  categoryId Int?
+  id        Int       @default(autoincrement()) @id
+  text      String    @default("")
+  sender    User      @relation(fields: [senderId], references: [id])
+  senderId  Int
+  group     Group     @relation(fields: [groupId], references: [id])
+  groupId   Int
+  createdAt DateTime? @default(now())
 }