stock-bot/apps/stock/data-ingestion/src/handlers/proxy/proxy.handler.ts

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2.7 KiB
TypeScript

import {
BaseHandler,
Handler,
Operation,
ScheduledOperation,
type IServiceContainer,
} from '@stock-bot/handlers';
import type { ProxyInfo } from '@stock-bot/proxy';
import { processItems } from '@stock-bot/queue';
import { fetchProxiesFromSources } from './operations/fetch.operations';
import { checkProxy } from './operations/check.operations';
@Handler('proxy')
export class ProxyHandler extends BaseHandler {
constructor(services: IServiceContainer) {
super(services);
}
@Operation('fetch-from-sources')
@ScheduledOperation('proxy-fetch-and-check', '0 0 * * 0', {
priority: 0,
description: 'Fetch and validate proxy list from sources',
// immediately: true, // Don't run immediately during startup to avoid conflicts
})
async fetchFromSources(): Promise<{
processed: number;
jobsCreated: number;
batchesCreated?: number;
mode: string;
}> {
// Fetch proxies from all configured sources
this.logger.info('Processing fetch proxies from sources request');
const proxies = await fetchProxiesFromSources();
this.logger.info('Fetched proxies from sources', { count: proxies.length });
if (proxies.length === 0) {
this.logger.warn('No proxies fetched from sources');
return { processed: 0, jobsCreated: 0, mode: 'direct' };
}
// Get QueueManager from service container
const queueManager = this.queue;
if (!queueManager) {
throw new Error('Queue manager not available');
}
// Batch process the proxies through check-proxy operation
const batchResult = await processItems(proxies, 'proxy', {
handler: 'proxy',
operation: 'check-proxy',
totalDelayHours: 0.083, // 5 minutes (5/60 hours)
batchSize: 50, // Process 50 proxies per batch
priority: 3,
useBatching: true,
retries: 1,
ttl: 30000, // 30 second timeout per proxy check
removeOnComplete: 5,
removeOnFail: 3,
}, queueManager);
this.logger.info('Batch proxy validation completed', {
totalProxies: proxies.length,
jobsCreated: batchResult.jobsCreated,
mode: batchResult.mode,
batchesCreated: batchResult.batchesCreated,
duration: `${batchResult.duration}ms`,
});
return {
processed: proxies.length,
jobsCreated: batchResult.jobsCreated,
batchesCreated: batchResult.batchesCreated,
mode: batchResult.mode,
};
}
@Operation('check-proxy')
async checkProxyOperation(payload: ProxyInfo): Promise<unknown> {
// payload is now the raw proxy info object
this.logger.debug('Processing proxy check request', {
proxy: `${payload.host}:${payload.port}`,
});
return checkProxy(payload);
}
}