src/services/CommandManager.ts

/**
 * This file is part of SudoBot.
 *
 * Copyright (C) 2021-2023 OSN Developers.
 *
 * SudoBot is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * SudoBot is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with SudoBot. If not, see <https://www.gnu.org/licenses/>.
 */

import {
    ChatInputCommandInteraction,
    ContextMenuCommandInteraction,
    InteractionReplyOptions,
    Message,
    Snowflake,
    User
} from "discord.js";
import { CommandAbortedError, CommandMessage } from "../core/Command";
import Service from "../core/Service";
import { log, logError, logWarn } from "../utils/Logger";
import { GuildConfig } from "./ConfigManager";

export const name = "commandManager";

export interface CommandContext {
    isLegacy: boolean;
    config: GuildConfig;
}

export interface LegacyCommandContext extends CommandContext {
    isLegacy: true;
    isContextMenu: false;
    argv: string[];
    args: string[];
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    parsedArgs: any[];
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    parsedNamedArgs: Record<string, any>;
    prefix: string;
    has(arg: string): boolean;
}

export interface ChatInputCommandContext extends CommandContext {
    isLegacy: false;
    isContextMenu: false;
    options: ChatInputCommandInteraction["options"];
    commandName: string;
}

export interface ContextMenuCommandContext extends CommandContext {
    isLegacy: false;
    isContextMenu: true;
    options: ContextMenuCommandInteraction["options"];
    commandName: string;
}

export default class CommandManager extends Service {
    protected readonly userBans = new Set<Snowflake>();

    async boot() {
        const bans = await this.client.prisma.globalUserBan.findMany();

        for (const ban of bans) {
            this.userBans.add(ban.userId);
        }
    }

    getBan(userId: Snowflake) {
        return this.client.prisma.globalUserBan.findFirst({
            where: {
                userId
            }
        });
    }

    isBanned(userId: Snowflake) {
        return this.userBans.has(userId);
    }

    async addBan(userId: Snowflake, executorId: Snowflake, reason: string | null = null) {
        if (this.isBanned(userId)) {
            throw new Error("This user is already banned");
        }

        const ban = await this.client.prisma.globalUserBan.create({
            data: {
                userId,
                reason,
                executorId
            }
        });

        this.userBans.add(ban.userId);
        return ban;
    }

    async removeBan(userId: Snowflake) {
        if (!this.isBanned(userId)) {
            return null;
        }

        await this.client.prisma.globalUserBan.deleteMany({
            where: {
                userId
            }
        });

        this.userBans.delete(userId);
        return userId;
    }

    async notifyBannedUser(user: User) {
        if (this.isBanned(user.id)) {
            const ban = await this.getBan(user.id);

            if (!ban) {
                return;
            }

            const newBan = await this.client.prisma.globalUserBan.updateMany({
                where: {
                    id: ban.id
                },
                data: {
                    notified: true
                }
            });

            await user
                .send({
                    embeds: [
                        {
                            author: {
                                icon_url: this.client.user?.displayAvatarURL(),
                                name: "You have been banned from using SudoBot"
                            },
                            description:
                                "You won't be able to use SudoBot anymore, and your SudoBot account will be terminated. Please try not to violate the SudoBot [Terms of Service](https://docs.sudobot.org/legal/terms) before we take action on your account.",
                            fields: [
                                {
                                    name: "Reason",
                                    value: ban.reason ?? "No reason provided"
                                }
                            ],
                            color: 0xf14a60,
                            timestamp: new Date().toISOString()
                        }
                    ]
                })
                .catch(logError);

            return newBan;
        }
    }

    public async runCommandFromMessage(message: Message, checkOnly = false, wait: boolean = false) {
        if (!message.content) return;

        const config = this.client.configManager.config[message.guildId!];

        if (!config) {
            logWarn("This guild is not configured: ", message.guildId!);
            return;
        }

        const prefixes = [config.prefix];
        let foundPrefix: string | undefined = undefined;

        if (
            this.client.configManager.systemConfig.commands.mention_prefix &&
            config.commands.mention_prefix
        ) {
            prefixes.push(`<@${this.client.user!.id}>`, `<@!${this.client.user!.id}>`);
        }

        for (const prefix of prefixes) {
            if (message.content.startsWith(prefix)) {
                foundPrefix = prefix;
                break;
            }
        }

        if (!foundPrefix) {
            return;
        }

        const commandText = message.content.substring(foundPrefix.length).trimStart();
        const [commandName, ...commandArguments] = commandText.split(/ +/);

        if (commandName.includes("__")) {
            return;
        }

        const command = this.client.commands.get(commandName);

        if (!command) {
            log("Command not found, trying to find a snippet");
            return await this.client.snippetManager.onMessageCreate(
                message,
                foundPrefix,
                commandName
            );
        }

        if (!command.supportsLegacy) {
            log("This command does not support legacy mode");
            return;
        }

        const context = {
            isLegacy: true,
            argv: [commandName, ...commandArguments],
            args: commandArguments,
            config,
            parsedArgs: [],
            parsedNamedArgs: {},
            isContextMenu: false,
            prefix: foundPrefix,
            has(arg: string) {
                return this.args.includes(arg);
            }
        } satisfies LegacyCommandContext;

        const handlerObject = {
            _stopped: false,
            stopCommandExecution() {
                this._stopped = true;
            }
        };

        try {
            await this.client.emitWaitLocal(
                "command",
                command.name,
                handlerObject,
                command,
                message,
                context
            );
        } catch (error) {
            if (error instanceof CommandAbortedError) {
                return;
            }

            throw error;
        }

        await Promise.resolve();

        if (handlerObject._stopped) {
            return;
        }

        return new Promise<boolean | null>((resolve, reject) => {
            command
                .run({
                    context,
                    checkOnly,
                    message,
                    onAbort: wait ? () => resolve(null) : undefined
                })
                .then(result => {
                    if (
                        result &&
                        typeof result === "object" &&
                        "__reply" in result &&
                        result.__reply === true
                    ) {
                        message
                            .reply(result as Parameters<typeof message.reply>[0])
                            .catch(console.error);
                    }
                    if (wait) {
                        resolve(true);
                    }
                })
                .catch(e => {
                    logError(e);
                    reject(e);
                });

            if (!wait) {
                resolve(true);
            }
        });
    }

    public async runCommandFromCommandInteraction(
        interaction: Exclude<CommandMessage, Message>,
        checkOnly = false
    ) {
        const config = this.client.configManager.config[interaction.guildId!];

        if (!config) {
            logWarn("This guild is not configured: ", interaction.guildId!);
            return;
        }

        const { commandName } = interaction;
        const command = this.client.commands.get(commandName);

        if (!command) {
            return false;
        }

        if (!command.supportsInteractions) {
            log("This command does not support application command mode");
            return;
        }

        const context = {
            isLegacy: false,
            config,
            options: interaction.options,
            isContextMenu: interaction.isContextMenuCommand(),
            commandName
        } as ContextMenuCommandContext | ChatInputCommandContext;

        const handlerObject = {
            _stopped: false,
            stopCommandExecution() {
                this._stopped = true;
            }
        };

        await this.client.emitWait(
            "command",
            command.name,
            handlerObject,
            command,
            interaction,
            context
        );
        await Promise.resolve();

        if (handlerObject._stopped) {
            return;
        }

        command
            .run({
                message: interaction,
                context,
                checkOnly
            })
            .then(result => {
                if (
                    result &&
                    typeof result === "object" &&
                    "__reply" in result &&
                    result.__reply === true
                ) {
                    interaction.reply(result as InteractionReplyOptions).catch(console.error);
                }
            })
            .catch(logError);
    }
}
1	/**
2	* This file is part of SudoBot.
3	*
4	* Copyright (C) 2021-2023 OSN Developers.
5	*
6	* SudoBot is free software; you can redistribute it and/or modify it
7	* under the terms of the GNU Affero General Public License as published by
8	* the Free Software Foundation, either version 3 of the License, or
9	* (at your option) any later version.
10	*
11	* SudoBot is distributed in the hope that it will be useful, but
12	* WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	* GNU Affero General Public License for more details.
15	*
16	* You should have received a copy of the GNU Affero General Public License
17	* along with SudoBot. If not, see <https://www.gnu.org/licenses/>.
18	*/
19
20	import {
21	ChatInputCommandInteraction,
22	ContextMenuCommandInteraction,
23	InteractionReplyOptions,
24	Message,
25	Snowflake,
26	User
27	} from "discord.js";
28	import { CommandAbortedError, CommandMessage } from "../core/Command";
29	import Service from "../core/Service";
30	import { log, logError, logWarn } from "../utils/Logger";
31	import { GuildConfig } from "./ConfigManager";
32
33	export const name = "commandManager";
34
35	export interface CommandContext {
36	isLegacy: boolean;
37	config: GuildConfig;
38	}
39
40	export interface LegacyCommandContext extends CommandContext {
41	isLegacy: true;
42	isContextMenu: false;
43	argv: string[];
44	args: string[];
45	// eslint-disable-next-line @typescript-eslint/no-explicit-any
46	parsedArgs: any[];
47	// eslint-disable-next-line @typescript-eslint/no-explicit-any
48	parsedNamedArgs: Record<string, any>;
49	prefix: string;
50	has(arg: string): boolean;
51	}
52
53	export interface ChatInputCommandContext extends CommandContext {
54	isLegacy: false;
55	isContextMenu: false;
56	options: ChatInputCommandInteraction["options"];
57	commandName: string;
58	}
59
60	export interface ContextMenuCommandContext extends CommandContext {
61	isLegacy: false;
62	isContextMenu: true;
63	options: ContextMenuCommandInteraction["options"];
64	commandName: string;
65	}
66
67	export default class CommandManager extends Service {
68	protected readonly userBans = new Set<Snowflake>();
69
70	async boot() {
71	const bans = await this.client.prisma.globalUserBan.findMany();
72
73	for (const ban of bans) {
74	this.userBans.add(ban.userId);
75	}
76	}
77
78	getBan(userId: Snowflake) {
79	return this.client.prisma.globalUserBan.findFirst({
80	where: {
81	userId
82	}
83	});
84	}
85
86	isBanned(userId: Snowflake) {
87	return this.userBans.has(userId);
88	}
89
90	async addBan(userId: Snowflake, executorId: Snowflake, reason: string \| null = null) {
91	if (this.isBanned(userId)) {
92	throw new Error("This user is already banned");
93	}
94
95	const ban = await this.client.prisma.globalUserBan.create({
96	data: {
97	userId,
98	reason,
99	executorId
100	}
101	});
102
103	this.userBans.add(ban.userId);
104	return ban;
105	}
106
107	async removeBan(userId: Snowflake) {
108	if (!this.isBanned(userId)) {
109	return null;
110	}
111
112	await this.client.prisma.globalUserBan.deleteMany({
113	where: {
114	userId
115	}
116	});
117
118	this.userBans.delete(userId);
119	return userId;
120	}
121
122	async notifyBannedUser(user: User) {
123	if (this.isBanned(user.id)) {
124	const ban = await this.getBan(user.id);
125
126	if (!ban) {
127	return;
128	}
129
130	const newBan = await this.client.prisma.globalUserBan.updateMany({
131	where: {
132	id: ban.id
133	},
134	data: {
135	notified: true
136	}
137	});
138
139	await user
140	.send({
141	embeds: [
142	{
143	author: {
144	icon_url: this.client.user?.displayAvatarURL(),
145	name: "You have been banned from using SudoBot"
146	},
147	description:
148	"You won't be able to use SudoBot anymore, and your SudoBot account will be terminated. Please try not to violate the SudoBot [Terms of Service](https://docs.sudobot.org/legal/terms) before we take action on your account.",
149	fields: [
150	{
151	name: "Reason",
152	value: ban.reason ?? "No reason provided"
153	}
154	],
155	color: 0xf14a60,
156	timestamp: new Date().toISOString()
157	}
158	]
159	})
160	.catch(logError);
161
162	return newBan;
163	}
164	}
165
166	public async runCommandFromMessage(message: Message, checkOnly = false, wait: boolean = false) {
167	if (!message.content) return;
168
169	const config = this.client.configManager.config[message.guildId!];
170
171	if (!config) {
172	logWarn("This guild is not configured: ", message.guildId!);
173	return;
174	}
175
176	const prefixes = [config.prefix];
177	let foundPrefix: string \| undefined = undefined;
178
179	if (
180	this.client.configManager.systemConfig.commands.mention_prefix &&
181	config.commands.mention_prefix
182	) {
183	prefixes.push(`<@${this.client.user!.id}>`, `<@!${this.client.user!.id}>`);
184	}
185
186	for (const prefix of prefixes) {
187	if (message.content.startsWith(prefix)) {
188	foundPrefix = prefix;
189	break;
190	}
191	}
192
193	if (!foundPrefix) {
194	return;
195	}
196
197	const commandText = message.content.substring(foundPrefix.length).trimStart();
198	const [commandName, ...commandArguments] = commandText.split(/ +/);
199
200	if (commandName.includes("__")) {
201	return;
202	}
203
204	const command = this.client.commands.get(commandName);
205
206	if (!command) {
207	log("Command not found, trying to find a snippet");
208	return await this.client.snippetManager.onMessageCreate(
209	message,
210	foundPrefix,
211	commandName
212	);
213	}
214
215	if (!command.supportsLegacy) {
216	log("This command does not support legacy mode");
217	return;
218	}
219
220	const context = {
221	isLegacy: true,
222	argv: [commandName, ...commandArguments],
223	args: commandArguments,
224	config,
225	parsedArgs: [],
226	parsedNamedArgs: {},
227	isContextMenu: false,
228	prefix: foundPrefix,
229	has(arg: string) {
230	return this.args.includes(arg);
231	}
232	} satisfies LegacyCommandContext;
233
234	const handlerObject = {
235	_stopped: false,
236	stopCommandExecution() {
237	this._stopped = true;
238	}
239	};
240
241	try {
242	await this.client.emitWaitLocal(
243	"command",
244	command.name,
245	handlerObject,
246	command,
247	message,
248	context
249	);
250	} catch (error) {
251	if (error instanceof CommandAbortedError) {
252	return;
253	}
254
255	throw error;
256	}
257
258	await Promise.resolve();
259
260	if (handlerObject._stopped) {
261	return;
262	}
263
264	return new Promise<boolean \| null>((resolve, reject) => {
265	command
266	.run({
267	context,
268	checkOnly,
269	message,
270	onAbort: wait ? () => resolve(null) : undefined
271	})
272	.then(result => {
273	if (
274	result &&
275	typeof result === "object" &&
276	"__reply" in result &&
277	result.__reply === true
278	) {
279	message
280	.reply(result as Parameters<typeof message.reply>[0])
281	.catch(console.error);
282	}
283	if (wait) {
284	resolve(true);
285	}
286	})
287	.catch(e => {
288	logError(e);
289	reject(e);
290	});
291
292	if (!wait) {
293	resolve(true);
294	}
295	});
296	}
297
298	public async runCommandFromCommandInteraction(
299	interaction: Exclude<CommandMessage, Message>,
300	checkOnly = false
301	) {
302	const config = this.client.configManager.config[interaction.guildId!];
303
304	if (!config) {
305	logWarn("This guild is not configured: ", interaction.guildId!);
306	return;
307	}
308
309	const { commandName } = interaction;
310	const command = this.client.commands.get(commandName);
311
312	if (!command) {
313	return false;
314	}
315
316	if (!command.supportsInteractions) {
317	log("This command does not support application command mode");
318	return;
319	}
320
321	const context = {
322	isLegacy: false,
323	config,
324	options: interaction.options,
325	isContextMenu: interaction.isContextMenuCommand(),
326	commandName
327	} as ContextMenuCommandContext \| ChatInputCommandContext;
328
329	const handlerObject = {
330	_stopped: false,
331	stopCommandExecution() {
332	this._stopped = true;
333	}
334	};
335
336	await this.client.emitWait(
337	"command",
338	command.name,
339	handlerObject,
340	command,
341	interaction,
342	context
343	);
344	await Promise.resolve();
345
346	if (handlerObject._stopped) {
347	return;
348	}
349
350	command
351	.run({
352	message: interaction,
353	context,
354	checkOnly
355	})
356	.then(result => {
357	if (
358	result &&
359	typeof result === "object" &&
360	"__reply" in result &&
361	result.__reply === true
362	) {
363	interaction.reply(result as InteractionReplyOptions).catch(console.error);
364	}
365	})
366	.catch(logError);
367	}
368	}