erp-plugin-sdk/src/backend/services/core.service.ts

273 lines
9.5 KiB
TypeScript

import { Injectable, Inject, Logger } from '@nestjs/common';
import { ClientProxy } from '@nestjs/microservices';
import { firstValueFrom } from 'rxjs';
import { SystemEvent } from '../interfaces/communication';
import { v4 as uuidv4 } from 'uuid';
import * as fs from 'fs';
import * as path from 'path';
import { requestContext } from '../interceptors/request-context.interceptor';
@Injectable()
export class CoreService {
private readonly logger = new Logger(CoreService.name);
private readonly serviceName = process.env.SERVICE_NAME || 'plugin';
private heartbeatInterval: any = null;
constructor(
@Inject('RABBITMQ_CLIENT') private readonly client: ClientProxy,
) {}
/**
* Спеціальний метод для виконання запитів до Ядра з автоматичним прокиданням авторизації
*/
async fetchCore(endpoint: string, options: RequestInit = {}) {
const coreUrl = process.env.CORE_BACKEND_URL || 'http://localhost:3001';
const store = requestContext.getStore();
const authHeader = store?.get('authorization');
const headers = {
'Content-Type': 'application/json',
...(authHeader ? { 'Authorization': authHeader } : {}),
...((options.headers as any) || {}),
};
this.logger.log(`[CoreRequest] Sending request to ${endpoint} (Auth: ${!!authHeader})`);
const response = await fetch(`${coreUrl}${endpoint}`, {
...options,
headers,
});
if (!response.ok) {
this.logger.error(`[CoreRequest] Request to ${endpoint} failed with status ${response.status}`);
}
return response.json();
}
// ... (решта методів register, emit, request залишаються без змін)
async register(): Promise<void> {
const coreUrl = process.env.CORE_BACKEND_URL || 'http://localhost:3001';
const possiblePaths = [
path.resolve(process.cwd(), '..', 'manifest.json'),
path.resolve(process.cwd(), 'manifest.json'),
];
let manifestPath = '';
for (const p of possiblePaths) {
if (fs.existsSync(p)) {
manifestPath = p;
break;
}
}
if (!manifestPath) return;
// Dynamically calculate the backendUrl
const port = process.env.PORT || '3002';
const serviceName = process.env.SERVICE_NAME || 'plugin';
const isDocker = coreUrl.includes('core-backend') || (!coreUrl.includes('localhost') && !coreUrl.includes('127.0.0.1'));
const backendUrl = process.env.PLUGIN_BACKEND_URL || (isDocker ? `http://${serviceName}:${port}` : `http://localhost:${port}`);
let registered = false;
while (!registered) {
try {
const manifest = JSON.parse(fs.readFileSync(manifestPath, 'utf8'));
if (process.env.PUBLIC_URL) {
let p = '/remoteEntry.js';
if (manifest.remoteEntry) {
try {
if (manifest.remoteEntry.startsWith('http://') || manifest.remoteEntry.startsWith('https://')) {
p = new URL(manifest.remoteEntry).pathname;
} else {
p = manifest.remoteEntry;
}
} catch (e) {
p = manifest.remoteEntry;
}
}
const publicUrl = process.env.PUBLIC_URL.endsWith('/') ? process.env.PUBLIC_URL.slice(0, -1) : process.env.PUBLIC_URL;
const pathname = p.startsWith('/') ? p : '/' + p;
manifest.remoteEntry = `${publicUrl}${pathname}`;
}
manifest.backendUrl = backendUrl;
const response = await fetch(`${coreUrl}/api/plugins/register`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(manifest),
});
if (response.ok) {
this.logger.log(`Plugin registered successfully!`);
registered = true;
this.startHeartbeatLoop(manifest.id, backendUrl);
} else {
await new Promise(resolve => setTimeout(resolve, 5000));
}
} catch (error) {
await new Promise(resolve => setTimeout(resolve, 5000));
}
}
}
private startHeartbeatLoop(pluginId: string, backendUrl: string) {
if (this.heartbeatInterval) {
clearInterval(this.heartbeatInterval);
}
this.heartbeatInterval = setInterval(async () => {
try {
const coreUrl = process.env.CORE_BACKEND_URL || 'http://localhost:3001';
this.logger.log(`[Heartbeat] Sending heartbeat for ${pluginId}`);
const response = await fetch(`${coreUrl}/api/plugins/heartbeat`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ id: pluginId, backendUrl }),
});
if (response.ok) {
const resBody = await response.json();
const data = resBody && resBody.data !== undefined ? resBody.data : resBody;
if (data && data.registered === false) {
this.logger.warn(`[Heartbeat] Core does not recognize plugin ${pluginId}. Re-registering.`);
this.register();
} else {
this.logger.log(`[Heartbeat] Heartbeat acknowledged by core.`);
}
} else {
this.logger.error(`[Heartbeat] Failed to send heartbeat. Status: ${response.status}`);
}
} catch (error: any) {
this.logger.error(`[Heartbeat] Error sending heartbeat:`, error.message || error);
}
}, 30 * 1000); // 30 seconds
}
async emit<T>(pattern: string, payload: T): Promise<void> {
const event: SystemEvent<T> = {
eventId: uuidv4(),
pattern,
payload,
source: this.serviceName,
timestamp: Date.now(),
};
this.client.emit(pattern, event).subscribe({
error: (err) => this.logger.error(`Failed to emit event ${pattern}:`, err),
});
}
async auditLog(action: string, resource: string, details?: any): Promise<void> {
const store = requestContext.getStore();
const authHeader = store?.get('authorization');
const ipAddress = store?.get('ip');
const userAgent = store?.get('userAgent');
let userId: number | undefined;
if (authHeader && authHeader.startsWith('Bearer ')) {
try {
const token = authHeader.split(' ')[1];
const base64Url = token.split('.')[1];
const base64 = base64Url.replace(/-/g, '+').replace(/_/g, '/');
const jsonPayload = Buffer.from(base64, 'base64').toString();
const payload = JSON.parse(jsonPayload);
userId = payload.sub || payload.userId || payload.id;
} catch (e) {
this.logger.error('Failed to decode JWT for audit log', e);
}
}
await this.emit('system.audit.log', {
userId,
action,
resource,
details,
ipAddress,
userAgent,
});
}
async getGlobalData<T = string>(key: string): Promise<T | null> {
const response = await this.fetchCore(`/api/store/${key}`, {
headers: {
'x-plugin-id': this.serviceName,
},
});
if (response.success) {
if (response.data === null || response.data === undefined) {
return null;
}
try {
return JSON.parse(response.data) as T;
} catch (e) {
return response.data as unknown as T;
}
}
return null;
}
async setGlobalData(key: string, value: any): Promise<void> {
const stringValue = typeof value === 'string' ? value : JSON.stringify(value);
await this.fetchCore(`/api/store/${key}`, {
method: 'POST',
body: JSON.stringify({ value: stringValue }),
headers: {
'x-plugin-id': this.serviceName,
},
});
}
async deleteGlobalData(key: string): Promise<void> {
await this.fetchCore(`/api/store/${key}`, {
method: 'DELETE',
headers: {
'x-plugin-id': this.serviceName,
},
});
}
async sendNotification(payload: { userId: number | null; title: string; message: string; icon?: string; image?: string; details?: any }): Promise<void> {
await this.emit('system.notification.send', {
userId: payload.userId,
title: payload.title,
message: payload.message,
icon: payload.icon,
image: payload.image,
details: payload.details,
});
}
/**
* Отримати назву БД, наданої ядром (має сенс після виклику setupDatabase)
*/
getDbName(): string {
return process.env.PLUGIN_DB_NAME || process.env.DB_DATABASE || 'ultimate_crm';
}
/**
* Зареєструвати БД плагіна в ядрі (створює БД p_<id>, якщо ще не існує).
* Викликати ДО створення NestJS app, щоб TypeORM міг підхопити PLUGIN_DB_NAME.
*/
static async setupDatabase(options: { pluginId: string }): Promise<string> {
const coreUrl = process.env.CORE_BACKEND_URL || 'http://localhost:3001';
const response = await fetch(`${coreUrl}/api/db/setup`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ pluginId: options.pluginId }),
});
if (!response.ok) {
throw new Error(`Database setup failed: ${response.statusText}`);
}
const result = await response.json();
const data = result.data || result;
const dbName = data.dbName;
if (!dbName) throw new Error('Database name not returned from core');
process.env.PLUGIN_DB_NAME = dbName;
if (data.host) process.env.PLUGIN_DB_HOST = data.host;
if (data.port) process.env.PLUGIN_DB_PORT = String(data.port);
if (data.username) process.env.PLUGIN_DB_USER = data.username;
if (data.password) process.env.PLUGIN_DB_PASSWORD = data.password;
return dbName;
}
}