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import { Column, Entity, Index, JoinColumn, ManyToOne, RelationId } from "typeorm";
import { BaseClass } from "./BaseClass";
import { Channel } from "./Channel";
import { User } from "./User";
// for read receipts
// notification cursor and public read receipt need to be forwards-only (the former to prevent re-pinging when marked as unread, and the latter to be acceptable as a legal acknowledgement in criminal proceedings), and private read marker needs to be advance-rewind capable
// public read receipt ≥ notification cursor ≥ private fully read marker
@Entity("read_states")
@Index(["channel_id", "user_id"], { unique: true })
export class ReadState extends BaseClass {
@Column()
@RelationId((read_state: ReadState) => read_state.channel)
channel_id: string;
@JoinColumn({ name: "channel_id" })
@ManyToOne(() => Channel, {
onDelete: "CASCADE"
})
channel: Channel;
@Column()
@RelationId((read_state: ReadState) => read_state.user)
user_id: string;
@JoinColumn({ name: "user_id" })
@ManyToOne(() => User, {
onDelete: "CASCADE"
})
user: User;
// fully read marker
@Column({ nullable: true })
last_message_id: string;
// public read receipt
@Column({ nullable: true })
public_ack: string;
// notification cursor / private read receipt
@Column({ nullable: true })
notifications_cursor: string;
@Column({ nullable: true })
last_pin_timestamp?: Date;
@Column({ nullable: true })
mention_count: number;
// @Column({ nullable: true })
// TODO: derive this from (last_message_id=notifications_cursor=public_ack)=true
manual: boolean;
}
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