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 { GlobalUserBan } from "@prisma/client";
import { ChatInputCommandInteraction, Collection, ContextMenuCommandInteraction, Message, Snowflake, User } from "discord.js";
import { 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[];
    parsedArgs: 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 Collection<Snowflake, GlobalUserBan>();

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

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

    getBan(userId: Snowflake) {
        return this.userBans.get(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.set(ban.userId, ban);
        return ban;
    }

    async removeBan(userId: Snowflake) {
        const ban = this.getBan(userId);

        if (!ban) {
            return null;
        }

        const info = await this.client.prisma.globalUserBan.delete({
            where: {
                id: ban.id
            }
        });

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

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

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

            this.userBans.set(ban.userId, newBan);

            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(/ +/);

        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, 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;
            }
        };

        await this.client.emitWaitLocal("command", command.name, handlerObject, command, message, context);
        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 any).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 any).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 { GlobalUserBan } from "@prisma/client";
21	import { ChatInputCommandInteraction, Collection, ContextMenuCommandInteraction, Message, Snowflake, User } from "discord.js";
22	import { CommandMessage } from "../core/Command";
23	import Service from "../core/Service";
24	import { log, logError, logWarn } from "../utils/logger";
25	import { GuildConfig } from "./ConfigManager";
26
27	export const name = "commandManager";
28
29	export interface CommandContext {
30	isLegacy: boolean;
31	config: GuildConfig;
32	}
33
34	export interface LegacyCommandContext extends CommandContext {
35	isLegacy: true;
36	isContextMenu: false;
37	argv: string[];
38	args: string[];
39	parsedArgs: any[];
40	parsedNamedArgs: Record<string, any>;
41	prefix: string;
42	has(arg: string): boolean;
43	}
44
45	export interface ChatInputCommandContext extends CommandContext {
46	isLegacy: false;
47	isContextMenu: false;
48	options: ChatInputCommandInteraction["options"];
49	commandName: string;
50	}
51
52	export interface ContextMenuCommandContext extends CommandContext {
53	isLegacy: false;
54	isContextMenu: true;
55	options: ContextMenuCommandInteraction["options"];
56	commandName: string;
57	}
58
59	export default class CommandManager extends Service {
60	protected readonly userBans = new Collection<Snowflake, GlobalUserBan>();
61
62	async boot() {
63	const bans = await this.client.prisma.globalUserBan.findMany();
64
65	for (const ban of bans) {
66	this.userBans.set(ban.userId, ban);
67	}
68	}
69
70	getBan(userId: Snowflake) {
71	return this.userBans.get(userId);
72	}
73
74	isBanned(userId: Snowflake) {
75	return this.userBans.has(userId);
76	}
77
78	async addBan(userId: Snowflake, executorId: Snowflake, reason: string \| null = null) {
79	if (this.isBanned(userId)) {
80	throw new Error("This user is already banned");
81	}
82
83	const ban = await this.client.prisma.globalUserBan.create({
84	data: {
85	userId,
86	reason,
87	executorId
88	}
89	});
90
91	this.userBans.set(ban.userId, ban);
92	return ban;
93	}
94
95	async removeBan(userId: Snowflake) {
96	const ban = this.getBan(userId);
97
98	if (!ban) {
99	return null;
100	}
101
102	const info = await this.client.prisma.globalUserBan.delete({
103	where: {
104	id: ban.id
105	}
106	});
107
108	this.userBans.delete(ban.userId);
109	return info;
110	}
111
112	async notifyBannedUser(user: User) {
113	const ban = this.getBan(user.id);
114
115	if (ban) {
116	const newBan = await this.client.prisma.globalUserBan.update({
117	where: {
118	id: ban.id
119	},
120	data: {
121	notified: true
122	}
123	});
124
125	this.userBans.set(ban.userId, newBan);
126
127	await user
128	.send({
129	embeds: [
130	{
131	author: {
132	icon_url: this.client.user?.displayAvatarURL(),
133	name: "You have been banned from using SudoBot"
134	},
135	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.`,
136	fields: [
137	{
138	name: "Reason",
139	value: ban.reason ?? "No reason provided"
140	}
141	],
142	color: 0xf14a60,
143	timestamp: new Date().toISOString()
144	}
145	]
146	})
147	.catch(logError);
148
149	return newBan;
150	}
151	}
152
153	public async runCommandFromMessage(message: Message, checkOnly = false, wait: boolean = false) {
154	if (!message.content) return;
155
156	const config = this.client.configManager.config[message.guildId!];
157
158	if (!config) {
159	logWarn("This guild is not configured: ", message.guildId!);
160	return;
161	}
162
163	const prefixes = [config.prefix];
164	let foundPrefix: string \| undefined = undefined;
165
166	if (this.client.configManager.systemConfig.commands.mention_prefix && config.commands.mention_prefix) {
167	prefixes.push(`<@${this.client.user!.id}>`, `<@!${this.client.user!.id}>`);
168	}
169
170	for (const prefix of prefixes) {
171	if (message.content.startsWith(prefix)) {
172	foundPrefix = prefix;
173	break;
174	}
175	}
176
177	if (!foundPrefix) {
178	return;
179	}
180
181	const commandText = message.content.substring(foundPrefix.length).trimStart();
182	const [commandName, ...commandArguments] = commandText.split(/ +/);
183
184	const command = this.client.commands.get(commandName);
185
186	if (!command) {
187	log("Command not found, trying to find a snippet");
188	return await this.client.snippetManager.onMessageCreate(message, commandName);
189	}
190
191	if (!command.supportsLegacy) {
192	log("This command does not support legacy mode");
193	return;
194	}
195
196	const context = {
197	isLegacy: true,
198	argv: [commandName, ...commandArguments],
199	args: commandArguments,
200	config,
201	parsedArgs: [],
202	parsedNamedArgs: {},
203	isContextMenu: false,
204	prefix: foundPrefix,
205	has(arg: string) {
206	return this.args.includes(arg);
207	}
208	} satisfies LegacyCommandContext;
209
210	const handlerObject = {
211	_stopped: false,
212	stopCommandExecution() {
213	this._stopped = true;
214	}
215	};
216
217	await this.client.emitWaitLocal("command", command.name, handlerObject, command, message, context);
218	await Promise.resolve();
219
220	if (handlerObject._stopped) {
221	return;
222	}
223
224	return new Promise<boolean \| null>((resolve, reject) => {
225	command
226	.run({
227	context,
228	checkOnly,
229	message,
230	onAbort: wait ? () => resolve(null) : undefined
231	})
232	.then(result => {
233	if (result && typeof result === "object" && "__reply" in result && result.__reply === true) {
234	message.reply(result as any).catch(console.error);
235	}
236	if (wait) {
237	resolve(true);
238	}
239	})
240	.catch(e => {
241	logError(e);
242	reject(e);
243	});
244
245	if (!wait) {
246	resolve(true);
247	}
248	});
249	}
250
251	public async runCommandFromCommandInteraction(interaction: Exclude<CommandMessage, Message>, checkOnly = false) {
252	const config = this.client.configManager.config[interaction.guildId!];
253
254	if (!config) {
255	logWarn("This guild is not configured: ", interaction.guildId!);
256	return;
257	}
258
259	const { commandName } = interaction;
260	const command = this.client.commands.get(commandName);
261
262	if (!command) {
263	return false;
264	}
265
266	if (!command.supportsInteractions) {
267	log("This command does not support application command mode");
268	return;
269	}
270
271	const context = {
272	isLegacy: false,
273	config,
274	options: interaction.options,
275	isContextMenu: interaction.isContextMenuCommand(),
276	commandName
277	} as ContextMenuCommandContext \| ChatInputCommandContext;
278
279	const handlerObject = {
280	_stopped: false,
281	stopCommandExecution() {
282	this._stopped = true;
283	}
284	};
285
286	await this.client.emitWait("command", command.name, handlerObject, command, interaction, context);
287	await Promise.resolve();
288
289	if (handlerObject._stopped) {
290	return;
291	}
292
293	command
294	.run({
295	message: interaction,
296	context,
297	checkOnly
298	})
299	.then(result => {
300	if (result && typeof result === "object" && "__reply" in result && result.__reply === true) {
301	interaction.reply(result as any).catch(console.error);
302	}
303	})
304	.catch(logError);
305	}
306	}