src/services/ChannelLockManager.ts

import { GuildChannel, PermissionString, User } from "discord.js";
import MessageEmbed from "../client/MessageEmbed";
import ChannelLock from "../models/ChannelLock";
import Service from "../utils/structures/Service";

export interface ChannelLockOptions {
    reason?: string;
    sendConfirmation?: boolean;
    force?: boolean;
}

export default class ChannelLockManager extends Service {
    async lock(channel: GuildChannel, user: User, { reason, sendConfirmation }: ChannelLockOptions = {}) {
        const channelLock = await ChannelLock.findOne({
            where: {
                channel_id: channel.id,
                guild_id: channel.guild.id
            }
        });

        if (channelLock) {
            return false;
        }

        const permissions = channel.permissionOverwrites.cache.get(channel.guild.id);
        
        if (permissions) {
            const permJson = {
                allow: permissions.allow.toArray(),
                deny: permissions.deny.toArray(),
            };

            console.log(permJson);

            await ChannelLock.create({
                user_id: user.id,
                guild_id: channel.guild.id,
                channel_id: channel.id,
                reason,
                previous_perms: permJson
            });
        }

        await channel.permissionOverwrites.edit(channel.guild.id, {
            SEND_MESSAGES: false,
            SEND_MESSAGES_IN_THREADS: false,
            ADD_REACTIONS: false,
            REQUEST_TO_SPEAK: false,
            SPEAK: false,
        }, { reason });

        if (sendConfirmation && channel.isText()) {
            await channel.send({
                embeds: [
                    new MessageEmbed({
                        color: 0x007bff,
                        description: `:lock: This channel has been locked.`,
                        fields: reason ? [
                            {
                                name: 'Reason',
                                value: reason + ''
                            }
                        ] : [],
                        footer: { text: 'Locked' }
                    })
                    .setTimestamp()
                ]
            });
        }

        return true;
    }

    async unlock(channel: GuildChannel, { reason, sendConfirmation, force }: ChannelLockOptions = {}) {
        const channelLock = await ChannelLock.findOne({
            where: {
                channel_id: channel.id,
                guild_id: channel.guild.id
            }
        });

        const permissions = channelLock?.get('previous_perms') as { allow: PermissionString[], deny: PermissionString[] };

        if (!permissions && !force) {
            return false;
        }

        const transform = (key: PermissionString) => {
            if (!permissions) {
                return force ? true : undefined;
            }

            if (permissions.allow.includes(key) && !permissions.deny.includes(key)) {
                return true;
            }
            else if (!permissions.allow.includes(key) && permissions.deny.includes(key)) {
                return false;
            }
            else {
                return null;
            }
        };

        await channel.permissionOverwrites.edit(channel.guild.id, {
            SEND_MESSAGES: transform('SEND_MESSAGES'),
            SEND_MESSAGES_IN_THREADS: transform('SEND_MESSAGES_IN_THREADS'),
            ADD_REACTIONS: transform('ADD_REACTIONS'),
            REQUEST_TO_SPEAK: transform('REQUEST_TO_SPEAK'),
            SPEAK: transform('SPEAK'),
        }, { reason });

        await channelLock?.destroy();

        if (sendConfirmation && channel.isText()) {
            await channel.send({
                embeds: [
                    new MessageEmbed({
                        color: 0x007bff,
                        description: `:closed_lock_with_key: This channel has been unlocked.`,
                        fields: reason ? [
                            {
                                name: 'Reason',
                                value: reason + ''
                            }
                        ] : [],
                        footer: { text: 'Unlocked' }
                    })
                    .setTimestamp()
                ]
            });
        }

        return true;
    }

    lockAll(channels: GuildChannel[], user: User, options: ChannelLockOptions = {}) {
        return Promise.all(channels.map(c => this.lock(c, user, options)));
    }

    unlockAll(channels: GuildChannel[], options: ChannelLockOptions = {}) {
        return Promise.all(channels.map(c => this.unlock(c, options)));
    }
}
1	import { GuildChannel, PermissionString, User } from "discord.js";
2	import MessageEmbed from "../client/MessageEmbed";
3	import ChannelLock from "../models/ChannelLock";
4	import Service from "../utils/structures/Service";
5
6	export interface ChannelLockOptions {
7	reason?: string;
8	sendConfirmation?: boolean;
9	force?: boolean;
10	}
11
12	export default class ChannelLockManager extends Service {
13	async lock(channel: GuildChannel, user: User, { reason, sendConfirmation }: ChannelLockOptions = {}) {
14	const channelLock = await ChannelLock.findOne({
15	where: {
16	channel_id: channel.id,
17	guild_id: channel.guild.id
18	}
19	});
20
21	if (channelLock) {
22	return false;
23	}
24
25	const permissions = channel.permissionOverwrites.cache.get(channel.guild.id);
26
27	if (permissions) {
28	const permJson = {
29	allow: permissions.allow.toArray(),
30	deny: permissions.deny.toArray(),
31	};
32
33	console.log(permJson);
34
35	await ChannelLock.create({
36	user_id: user.id,
37	guild_id: channel.guild.id,
38	channel_id: channel.id,
39	reason,
40	previous_perms: permJson
41	});
42	}
43
44	await channel.permissionOverwrites.edit(channel.guild.id, {
45	SEND_MESSAGES: false,
46	SEND_MESSAGES_IN_THREADS: false,
47	ADD_REACTIONS: false,
48	REQUEST_TO_SPEAK: false,
49	SPEAK: false,
50	}, { reason });
51
52	if (sendConfirmation && channel.isText()) {
53	await channel.send({
54	embeds: [
55	new MessageEmbed({
56	color: 0x007bff,
57	description: `:lock: This channel has been locked.`,
58	fields: reason ? [
59	{
60	name: 'Reason',
61	value: reason + ''
62	}
63	] : [],
64	footer: { text: 'Locked' }
65	})
66	.setTimestamp()
67	]
68	});
69	}
70
71	return true;
72	}
73
74	async unlock(channel: GuildChannel, { reason, sendConfirmation, force }: ChannelLockOptions = {}) {
75	const channelLock = await ChannelLock.findOne({
76	where: {
77	channel_id: channel.id,
78	guild_id: channel.guild.id
79	}
80	});
81
82	const permissions = channelLock?.get('previous_perms') as { allow: PermissionString[], deny: PermissionString[] };
83
84	if (!permissions && !force) {
85	return false;
86	}
87
88	const transform = (key: PermissionString) => {
89	if (!permissions) {
90	return force ? true : undefined;
91	}
92
93	if (permissions.allow.includes(key) && !permissions.deny.includes(key)) {
94	return true;
95	}
96	else if (!permissions.allow.includes(key) && permissions.deny.includes(key)) {
97	return false;
98	}
99	else {
100	return null;
101	}
102	};
103
104	await channel.permissionOverwrites.edit(channel.guild.id, {
105	SEND_MESSAGES: transform('SEND_MESSAGES'),
106	SEND_MESSAGES_IN_THREADS: transform('SEND_MESSAGES_IN_THREADS'),
107	ADD_REACTIONS: transform('ADD_REACTIONS'),
108	REQUEST_TO_SPEAK: transform('REQUEST_TO_SPEAK'),
109	SPEAK: transform('SPEAK'),
110	}, { reason });
111
112	await channelLock?.destroy();
113
114	if (sendConfirmation && channel.isText()) {
115	await channel.send({
116	embeds: [
117	new MessageEmbed({
118	color: 0x007bff,
119	description: `:closed_lock_with_key: This channel has been unlocked.`,
120	fields: reason ? [
121	{
122	name: 'Reason',
123	value: reason + ''
124	}
125	] : [],
126	footer: { text: 'Unlocked' }
127	})
128	.setTimestamp()
129	]
130	});
131	}
132
133	return true;
134	}
135
136	lockAll(channels: GuildChannel[], user: User, options: ChannelLockOptions = {}) {
137	return Promise.all(channels.map(c => this.lock(c, user, options)));
138	}
139
140	unlockAll(channels: GuildChannel[], options: ChannelLockOptions = {}) {
141	return Promise.all(channels.map(c => this.unlock(c, options)));
142	}
143	}