typedrequest/ts/typedrequest.classes.typedrequest.ts
2022-10-09 18:57:31 +02:00

76 lines
2.3 KiB
TypeScript

import * as plugins from './typedrequest.plugins.js';
import { TypedResponseError } from './typedrequest.classes.typedresponseerror.js';
import { TypedRouter } from './typedrequest.classes.typedrouter.js';
import { TypedTarget } from './typedrequest.classes.typedtarget.js';
const webrequestInstance = new plugins.webrequest.WebRequest();
export class TypedRequest<T extends plugins.typedRequestInterfaces.ITypedRequest> {
/**
* in case we post against a url endpoint
*/
public urlEndPoint?: string;
/**
* in case we post against a TypedTarget
*/
typedTarget: TypedTarget;
public method: string;
/**
* note the overloading is thought to deal with promises
* @param postEndPointArg
* @param methodArg
*/
constructor(postTarget: string | TypedTarget, methodArg: T['method']) {
if (typeof postTarget === 'string') {
this.urlEndPoint = postTarget;
} else {
this.typedTarget = postTarget;
}
this.method = methodArg;
}
/**
* fires the request
*/
public async fire(fireArg: T['request'], useCacheArg: boolean = false): Promise<T['response']> {
const payload: plugins.typedRequestInterfaces.ITypedRequest = {
method: this.method,
request: fireArg,
response: null,
correlation: {
id: plugins.isounique.uni(),
phase: 'request',
},
};
let responseBody: plugins.typedRequestInterfaces.ITypedRequest;
if (this.urlEndPoint) {
const response = await webrequestInstance.postJson(this.urlEndPoint, payload, useCacheArg);
responseBody = response;
} else {
responseBody = await this.typedTarget.post(payload);
}
if (responseBody.error) {
console.error(
`Got an error ${responseBody.error.text} with data ${JSON.stringify(
responseBody.error.data
)}`
);
if (!responseBody.retry) {
throw new TypedResponseError(responseBody.error.text, responseBody.error.data);
}
return null;
}
if (responseBody.retry) {
console.log(`server requested retry for the following reason: ${responseBody.retry.reason}`);
await plugins.smartdelay.delayFor(responseBody.retry.waitForMs);
// tslint:disable-next-line: no-return-await
return await this.fire(fireArg);
}
return responseBody.response;
}
}