src/core/ServiceManager.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 { Class, DefaultExport } from "../types/Utils";
import { logInfo } from "../utils/Logger";
import type Client from "./Client";
import Service from "./Service";

export default class ServiceManager {
    constructor(protected readonly client: Client) {}

    async loadServices() {
        const serviceFiles = this.client.services.map(service => {
            let filepath = service;

            for (const alias in this.client.aliases) {
                filepath = filepath.replaceAll(`@${alias}`, this.client.aliases[alias as keyof typeof this.client.aliases]);
            }

            return filepath;
        });

        for (const file of serviceFiles) {
            await this.loadService(file);
        }
    }

    async loadService(filepath: string) {
        const { default: ServiceClass, name }: DefaultExport<Class<Service, [Client]>> & { name?: string } = await import(
            filepath
        );

        if (!name) {
            throw new Error(`Name is empty for service ${filepath}`);
        }

        const previousServiceInstance = this.client[name as "startupManager"];
        const service = new ServiceClass(this.client);

        if (previousServiceInstance) {
            logInfo(`Previous instance of service ${name} found. Deactivating`);
            await this.client.dynamicLoader.unloadEventsFromMetadata(previousServiceInstance);
            await previousServiceInstance.deactivate();
        }

        this.client[name as "startupManager"] = service as (typeof this.client)["startupManager"];
        await this.client.dynamicLoader.loadEventsFromMetadata(service);
        await service.boot();

        logInfo(`${previousServiceInstance ? "Rel" : "L"}oaded Service: `, name);
    }

    loadServiceFromDirectory(servicesDirectory: string) {
        return this.client.dynamicLoader.loadServiceFromDirectory(servicesDirectory);
    }
}
1	rakinar2	577	/*
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 { Class, DefaultExport } from "../types/Utils";
21			import { logInfo } from "../utils/Logger";
22			import type Client from "./Client";
23			import Service from "./Service";
24
25			export default class ServiceManager {
26			constructor(protected readonly client: Client) {}
27
28			async loadServices() {
29			const serviceFiles = this.client.services.map(service => {
30			let filepath = service;
31
32			for (const alias in this.client.aliases) {
33			filepath = filepath.replaceAll(`@${alias}`, this.client.aliases[alias as keyof typeof this.client.aliases]);
34			}
35
36			return filepath;
37			});
38
39			for (const file of serviceFiles) {
40			await this.loadService(file);
41			}
42			}
43
44			async loadService(filepath: string) {
45			const { default: ServiceClass, name }: DefaultExport<Class<Service, [Client]>> & { name?: string } = await import(
46			filepath
47			);
48
49			if (!name) {
50			throw new Error(`Name is empty for service ${filepath}`);
51			}
52
53			const previousServiceInstance = this.client[name as "startupManager"];
54			const service = new ServiceClass(this.client);
55
56			if (previousServiceInstance) {
57			logInfo(`Previous instance of service ${name} found. Deactivating`);
58			await this.client.dynamicLoader.unloadEventsFromMetadata(previousServiceInstance);
59			await previousServiceInstance.deactivate();
60			}
61
62			this.client[name as "startupManager"] = service as (typeof this.client)["startupManager"];
63			await this.client.dynamicLoader.loadEventsFromMetadata(service);
64			await service.boot();
65
66			logInfo(`${previousServiceInstance ? "Rel" : "L"}oaded Service: `, name);
67			}
68
69			loadServiceFromDirectory(servicesDirectory: string) {
70			return this.client.dynamicLoader.loadServiceFromDirectory(servicesDirectory);
71			}
72			}