rename ticket to chat

src/modules/chat/entities/ticket.entity.ts

@@ -0,0 +1,40 @@
+import {
+  Entity,
+  ManyToOne,
+  Property,
+  OptionalProps,
+} from '@mikro-orm/core';
+import { User } from "../../user/entities/user.entity";
+import { Admin } from 'src/modules/admin/entities/admin.entity';
+import { AttachmentType } from '../interfaces/chat';
+import { BaseEntity } from 'src/common/entities/base.entity';
+
+@Entity()
+export class Chat extends BaseEntity {
+  [OptionalProps]?: 'createdAt' | 'deletedAt'
+
+
+  @Property({ type: 'text' })
+  content: string;
+
+  @ManyToOne(() => User, { nullable: true })
+  user?: User | null;
+
+  @ManyToOne(() => Admin, { nullable: true })
+  admin?: Admin | null;
+
+  @Property({ type: 'json', nullable: true })
+  attachments?: AttachmentType[]
+
+  @Property({ type: 'string' })
+  refId!: string
+
+  @ManyToOne(() => Chat, { nullable: true })
+  parent?: Chat
+
+  @Property({ defaultRaw: 'now()', columnType: 'timestamptz' })
+  createdAt: Date = new Date();
+
+  @Property({ nullable: true, columnType: 'timestamptz' })
+  readAt?: Date;
+}