# CICADA

### File

`src/app/_interceptors/logging.interceptor.ts`

### Description

Intercepts and handles of events from outgoing HTTP request.

### Index

###### Methods

- intercept

### Constructor

`constructor(loggingService: LoggingService)`
Defined in src/app/_interceptors/logging.interceptor.ts:20

Initialization of the logging interceptor.

Parameters :

Name | Type | Optional | Description

loggingService

`LoggingService`

No

`

- A service that provides logging capabilities.

`

### Methods

intercept
`intercept(request: HttpRequest<unknown>, next: HttpHandler)`
Defined in src/app/_interceptors/logging.interceptor.ts:35

Intercepts HTTP requests.

Parameters :

Name | Type | Optional | Description

request

`HttpRequest<unknown>`

No

- An outgoing HTTP request with an optional typed body.

next

`HttpHandler`

No

- The next HTTP handler or the outgoing request dispatcher.

Returns : `Observable<HttpEvent<unknown>>`

The forwarded request.

    import {
      HttpEvent,
      HttpHandler,
      HttpInterceptor,
      HttpRequest,
      HttpResponse,
    } from '@angular/common/http';
    import { Injectable } from '@angular/core';

    // Third party imports
    import { Observable } from 'rxjs';
    import { finalize, tap } from 'rxjs/operators';

    // Application imports
    import { LoggingService } from '@app/_services/logging.service';

    /** Intercepts and handles of events from outgoing HTTP request. */
    @Injectable()
    export class LoggingInterceptor implements HttpInterceptor {
      /**
       * Initialization of the logging interceptor.
       *
       * @param loggingService - A service that provides logging capabilities.
       */
      constructor(private loggingService: LoggingService) {}

      /**
       * Intercepts HTTP requests.
       *
       * @param request - An outgoing HTTP request with an optional typed body.
       * @param next - The next HTTP handler or the outgoing request dispatcher.
       * @returns The forwarded request.
       */
      intercept(request: HttpRequest<unknown>, next: HttpHandler): Observable<HttpEvent<unknown>> {
        return next.handle(request);
        // this.loggingService.sendInfoLevelMessage(request);
        // const startTime: number = Date.now();
        // let status: string;
        //
        // return next.handle(request).pipe(tap(event => {
        //   status = '';
        //   if (event instanceof HttpResponse) {
        //     status = 'succeeded';
        //   }
        // }, error => status = 'failed'),
        //   finalize(() => {
        //   const elapsedTime: number = Date.now() - startTime;
        //   const message: string = `${request.method} request for ${request.urlWithParams} ${status} in ${elapsedTime} ms`;
        //   this.loggingService.sendInfoLevelMessage(message);
        // }));
      }
    }

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