typedrequest/ts/typedrequest.classes.typedrouter.ts
2020-02-11 18:55:07 +00:00

49 lines
1.5 KiB
TypeScript

import * as plugins from './typedrequest.plugins';
import { TypedHandler } from './typedrequest.classes.typedhandler';
/**
* A typed router decides on which typed handler to call based on the method
* specified in the typed request
* This is thought for reusing the same url endpoint for different methods
*/
export class TypedRouter {
public handlerMap = new plugins.lik.Objectmap<
TypedHandler<plugins.typedRequestInterfaces.ITypedRequest>
>();
/**
* adds the handler to the routing map
* @param handlerArg
*/
public addTypedHandler<T extends plugins.typedRequestInterfaces.ITypedRequest>(
handlerArg: TypedHandler<T>
) {
this.handlerMap.add(handlerArg);
}
public async addResponse(typedRequest: plugins.typedRequestInterfaces.ITypedRequest) {
const typedHandler = this.handlerMap.find(handler => {
return handler.method === typedRequest.method;
});
if (!typedHandler) {
const availableMethods: string[] = [];
await this.handlerMap.forEach(async handler => {
availableMethods.push(handler.method);
});
console.log(`Cannot find method for ${typedHandler}`);
console.log(`Available methods are:`);
console.log(availableMethods);
typedRequest.error = {
text: 'There is no available method for this call on the server side',
data: {}
};
return typedRequest;
}
typedRequest = await typedHandler.addResponse(typedRequest);
return typedRequest;
}
}