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path: root/server/ci.ts
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import {
    FourOhFourActivityImpl,
    getRequiredEnv,
    HealthCheckActivityImpl,
    type HealthChecker,
    type IFourOhFourActivity,
    type IHealthCheckActivity,
    type ITraceable,
    PenguenoRequest,
    type ServerTrace,
    TraceUtil,
} from '@emprespresso/pengueno';
import type { Job } from '@emprespresso/ci_model';
import { type IJobHookActivity, type IJobQueuer, JobHookActivityImpl, LaminarJobQueuer } from './job';
import { healthCheck as _healthCheck } from '.';

export const DEFAULT_CI_SERVER = 'https://ci.liz.coffee';

export class CiHookServer {
    constructor(
        healthCheck: HealthChecker = _healthCheck,
        jobQueuer: IJobQueuer<ITraceable<Job, ServerTrace>> = new LaminarJobQueuer(
            getRequiredEnv('LAMINAR_URL').fold(({ isLeft, value }) => (isLeft ? DEFAULT_CI_SERVER : value)),
        ),
        private readonly healthCheckActivity: IHealthCheckActivity = new HealthCheckActivityImpl(healthCheck),
        private readonly jobHookActivity: IJobHookActivity = new JobHookActivityImpl(jobQueuer),
        private readonly fourOhFourActivity: IFourOhFourActivity = new FourOhFourActivityImpl(),
    ) {}

    private route(req: ITraceable<PenguenoRequest, ServerTrace>) {
        const url = new URL(req.get().url);
        if (url.pathname === '/health') {
            return this.healthCheckActivity.checkHealth(req);
        }
        if (url.pathname === '/job') {
            return this.jobHookActivity.processHook(req);
        }
        return this.fourOhFourActivity.fourOhFour(req);
    }

    public serve(req: Request): Promise<Response> {
        return PenguenoRequest.from(req)
            .bimap(TraceUtil.withClassTrace(this))
            .map((req) => this.route(req))
            .get();
    }
}