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