Files
DentalManagementE/apps/Backend/src/services/seleniumDdmaInsuranceEligibilityClient.ts

123 lines
3.4 KiB
TypeScript

import axios from "axios";
import http from "http";
import https from "https";
import dotenv from "dotenv";
dotenv.config();
export interface SeleniumPayload {
data: any;
url?: string;
}
const SELENIUM_AGENT_BASE = process.env.SELENIUM_AGENT_BASE_URL;
const httpAgent = new http.Agent({ keepAlive: true, keepAliveMsecs: 60_000 });
const httpsAgent = new https.Agent({ keepAlive: true, keepAliveMsecs: 60_000 });
const client = axios.create({
baseURL: SELENIUM_AGENT_BASE,
timeout: 5 * 60 * 1000,
httpAgent,
httpsAgent,
validateStatus: (s) => s >= 200 && s < 600,
});
async function requestWithRetries(
config: any,
retries = 4,
baseBackoffMs = 300
) {
for (let attempt = 1; attempt <= retries; attempt++) {
try {
const r = await client.request(config);
if (![502, 503, 504].includes(r.status)) return r;
console.warn(
`[selenium-client] retryable HTTP status ${r.status} (attempt ${attempt})`
);
} catch (err: any) {
const code = err?.code;
const isTransient =
code === "ECONNRESET" ||
code === "ECONNREFUSED" ||
code === "EPIPE" ||
code === "ETIMEDOUT";
if (!isTransient) throw err;
console.warn(
`[selenium-client] transient network error ${code} (attempt ${attempt})`
);
}
await new Promise((r) => setTimeout(r, baseBackoffMs * attempt));
}
// final attempt (let exception bubble if it fails)
return client.request(config);
}
function now() {
return new Date().toISOString();
}
function log(tag: string, msg: string, ctx?: any) {
console.log(`${now()} [${tag}] ${msg}`, ctx ?? "");
}
export async function forwardToSeleniumDdmaEligibilityAgent(
insuranceEligibilityData: any
): Promise<any> {
const payload = { data: insuranceEligibilityData };
const url = `/ddma-eligibility`;
log("selenium-client", "POST ddma-eligibility", {
url: SELENIUM_AGENT_BASE + url,
keys: Object.keys(payload),
});
const r = await requestWithRetries({ url, method: "POST", data: payload }, 4);
log("selenium-client", "agent response", {
status: r.status,
dataKeys: r.data ? Object.keys(r.data) : null,
});
if (r.status >= 500)
throw new Error(`Selenium agent server error: ${r.status}`);
return r.data;
}
export async function forwardOtpToSeleniumDdmaAgent(
sessionId: string,
otp: string
): Promise<any> {
const url = `/submit-otp`;
log("selenium-client", "POST submit-otp", {
url: SELENIUM_AGENT_BASE + url,
sessionId,
});
const r = await requestWithRetries(
{ url, method: "POST", data: { session_id: sessionId, otp } },
4
);
log("selenium-client", "submit-otp response", {
status: r.status,
data: r.data,
});
if (r.status >= 500)
throw new Error(`Selenium agent server error on submit-otp: ${r.status}`);
return r.data;
}
export async function getSeleniumDdmaSessionStatus(
sessionId: string
): Promise<any> {
const url = `/session/${sessionId}/status`;
log("selenium-client", "GET session status", {
url: SELENIUM_AGENT_BASE + url,
sessionId,
});
const r = await requestWithRetries({ url, method: "GET" }, 4);
log("selenium-client", "session status response", {
status: r.status,
dataKeys: r.data ? Object.keys(r.data) : null,
});
if (r.status === 404) {
const e: any = new Error("not_found");
e.response = { status: 404, data: r.data };
throw e;
}
return r.data;
}