xread/src/services/serp/internal-search.ts

import { singleton } from 'tsyringe';
import { GlobalLogger } from '../logger';
import { AsyncService } from 'civkit/async-service';
import { SerperSearchQueryParams } from '../../shared/3rd-party/serper-search';
import { ServiceDisabledError } from '../errors';
import { WebSearchEntry } from './compat';

@singleton()
export class InternalSearchService extends AsyncService {
    logger = this.globalLogger.child({ service: this.constructor.name });

    constructor(
        protected globalLogger: GlobalLogger,
    ) {
        super(...arguments);
    }

    override async init() {
        await this.dependencyReady();
        this.emit('ready');
    }

    protected disabled(): never {
        throw new ServiceDisabledError('Internal search provider is not available in this standalone build. Use a public provider such as google, bing, or serper.');
    }

    async doSearch(_variant: 'web' | 'images' | 'news', _query: SerperSearchQueryParams) {
        this.disabled();
    }

    async webSearch(_query: SerperSearchQueryParams) {
        return this.disabled() as WebSearchEntry[];
    }

    async imageSearch(_query: SerperSearchQueryParams) {
        return this.disabled() as WebSearchEntry[];
    }

    async newsSearch(_query: SerperSearchQueryParams) {
        return this.disabled() as WebSearchEntry[];
    }
}