84 lines
2.4 KiB
TypeScript
84 lines
2.4 KiB
TypeScript
/*
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Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
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Copyright (C) 2023 Spacebar and Spacebar Contributors
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import {
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Column,
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Entity,
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Index,
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JoinColumn,
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ManyToOne,
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RelationId,
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} from "typeorm";
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import { BaseClass } from "./BaseClass";
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import { Channel } from "./Channel";
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import { User } from "./User";
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import { dbEngine } from "../util/Database";
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// for read receipts
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// 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
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// public read receipt ≥ notification cursor ≥ private fully read marker
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@Entity({
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name: "read_states",
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engine: dbEngine,
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})
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@Index(["channel_id", "user_id"], { unique: true })
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export class ReadState extends BaseClass {
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@Column()
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@RelationId((read_state: ReadState) => read_state.channel)
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channel_id: string;
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@JoinColumn({ name: "channel_id" })
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@ManyToOne(() => Channel, {
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onDelete: "CASCADE",
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})
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channel: Channel;
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@Column()
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@RelationId((read_state: ReadState) => read_state.user)
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user_id: string;
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@JoinColumn({ name: "user_id" })
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@ManyToOne(() => User, {
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onDelete: "CASCADE",
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})
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user: User;
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// fully read marker
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@Column({ nullable: true })
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last_message_id: string;
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// public read receipt
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@Column({ nullable: true })
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public_ack: string;
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// notification cursor / private read receipt
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@Column({ nullable: true })
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notifications_cursor: string;
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@Column({ nullable: true })
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last_pin_timestamp?: Date;
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@Column({ nullable: true })
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mention_count: number;
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// @Column({ nullable: true })
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// TODO: derive this from (last_message_id=notifications_cursor=public_ack)=true
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manual: boolean;
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}
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