group events

costly-api/src/groups/persistence/group-event.entity.ts

@@ -0,0 +1,29 @@
+import { Entity, PrimaryColumn, Column, CreateDateColumn, Index } from 'typeorm';
+
+export type GroupEventType =
+  | 'GROUP_CREATED'
+  | 'GROUP_RENAMED'
+  | 'GROUP_INVITE_ROTATED'
+  | 'GROUP_DELETED';
+
+@Entity('group_events')
+@Index(['groupId', 'createdAt'])
+export class GroupEventEntity {
+  @PrimaryColumn()
+  id: string; // ULID oder UUID, kommt vom Server oder Client
+
+  @Column()
+  groupId: string;
+
+  @Column({ type: 'varchar', length: 64 })
+  type: GroupEventType;
+
+  @Column({ type: 'json' })
+  payload: any;
+
+  @Column({ nullable: true })
+  actorId?: string;
+
+  @CreateDateColumn()
+  createdAt: Date;
+}