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@isaiahiroko/ng-interceptors

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Angular interceptors for token authorization, local and remote store synchronization and global notification

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import { Injectable } from '@angular/core'; import { AuthService } from '@isaiahiroko/ng-utils'; import { finalize, retryWhen, zip, mergeMap, catchError } from 'rxjs/operators'; import { range, timer, throwError } from 'rxjs'; import { HTTP_INTERCEPTORS } from '@angular/common/http'; /** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc */ class AuthInterceptor { /** * @param {?} auth */ constructor(auth) { this.auth = auth; } /** * @param {?} req * @param {?} next * @return {?} */ intercept(req, next) { /** @type {?} */ const authReq = req.clone({ headers: req.headers.set('Authorization', this.auth.token()), }); // send cloned request with header to the next handler. return next.handle(authReq); } } AuthInterceptor.decorators = [ { type: Injectable }, ]; /** @nocollapse */ AuthInterceptor.ctorParameters = () => [ { type: AuthService } ]; /** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc */ class LoaderServiceContract { /** * @param {?=} type * @return {?} */ start(type) { } /** * @return {?} */ stop() { } /** * @param {?} message * @param {?=} title * @return {?} */ notify(message, title) { } /** * @param {?} message * @param {?=} title * @return {?} */ toast(message, title) { } } class NotifInterceptor { /** * @param {?} notif */ constructor(notif) { this.notif = notif; } /** * @param {?} req * @param {?} next * @return {?} */ intercept(req, next) { this.notif.start(); // extend server response observable with logging return next.handle(req).pipe( // things don't always work as planned // if things go wrong, try again three times // however, delay trial in an incremental manner (multipl of 1 second) retryWhen((attempts) => { return attempts.pipe(zip(range(1, 4)), mergeMap(([error, i]) => { this.notif.start('query'); if (i > 2) { return throwError(error); } return timer(i * 1000); })); }), // catchError http errors and turn to observable of undefined catchError((e) => { /** @type {?} */ let title; /** @type {?} */ let message; this.notif.start('buffer'); if (e.error instanceof ErrorEvent) { // A client-side or network error occurred. Handle it accordingly. title = 'Client Error'; message = e.error.message; } else { // The backend returned an unsuccessful response code. // The response body may contain clues as to what went wrong, title = 'Network Info'; message = `${e.statusText} (${e.status})`; // message = e.message } if (e.status === 401) ; console.error({ title, message }); // catche //re throw // throw {title, message} // return of({ e: {title, message} }) // return empty() return throwError({ title, message }); }), finalize(() => { this.notif.stop(); })); } } NotifInterceptor.decorators = [ { type: Injectable }, ]; /** @nocollapse */ NotifInterceptor.ctorParameters = () => [ { type: LoaderServiceContract } ]; /** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc */ class StoreSyncInterceptor { /** * @param {?} req * @param {?} next * @return {?} */ intercept(req, next) { // continue if not cachable. // if (!isCachable(req)) { return next.handle(req); } { return next.handle(req); } // cache-or-fetch // const cachedResponse = this.cache.get(req); // return cachedResponse ? // of(cachedResponse) : sendRequest(req, next, this.cache); } } StoreSyncInterceptor.decorators = [ { type: Injectable }, ]; /** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc */ /** @type {?} */ const INTERCEPTORS = [ { provide: HTTP_INTERCEPTORS, useClass: AuthInterceptor, multi: true }, // { provide: HTTP_INTERCEPTORS, useClass: StoreSyncInterceptor, multi: true }, { provide: HTTP_INTERCEPTORS, useClass: NotifInterceptor, multi: true } ]; /** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc */ /** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc */ export { INTERCEPTORS, StoreSyncInterceptor, AuthInterceptor, LoaderServiceContract, NotifInterceptor }; //# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"file":"isaiahiroko-ng-interceptors.js.map","sources":["ng://@isaiahiroko/ng-interceptors/lib/auth.interceptor.ts","ng://@isaiahiroko/ng-interceptors/lib/notif.interceptor.ts","ng://@isaiahiroko/ng-interceptors/lib/store-sync.interceptor.ts","ng://@isaiahiroko/ng-interceptors/lib/index.ts"],"sourcesContent":["import { Injectable } from '@angular/core'\r\nimport { HttpInterceptor, HttpRequest, HttpHandler, HttpEvent } from '@angular/common/http'\r\n\r\nimport { AuthService } from '@isaiahiroko/ng-utils'\r\nimport { Observable } from 'rxjs';\r\n\r\n@Injectable()\r\nexport class AuthInterceptor implements HttpInterceptor {\r\n  constructor(private auth: AuthService) {}\r\n\r\n  intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {\r\n    // Get the auth token from the service.\r\n    // Clone the request and replace the original headers with\r\n    // cloned headers, updated with the authorization.\r\n    const authReq = req.clone({\r\n      headers: req.headers.set('Authorization', this.auth.token()),\r\n    })\r\n\r\n    // send cloned request with header to the next handler.\r\n    return next.handle(authReq)\r\n  }\r\n}\r\n","import { Injectable } from '@angular/core'\r\nimport { HttpRequest, HttpHandler, HttpInterceptor, HttpEvent } from '@angular/common/http'\r\n\r\nimport { finalize, retryWhen, zip, mergeMap, catchError } from 'rxjs/operators'\r\nimport { range,  timer,  throwError, Observable } from 'rxjs'\r\n\r\nexport class LoaderServiceContract {\r\n  start (type?: string) {}\r\n  stop () {}\r\n  notify (message: string, title?: string) {}\r\n  toast (message: string, title?: string) {}\r\n}\r\n\r\n@Injectable()\r\nexport class NotifInterceptor implements HttpInterceptor {\r\n  constructor (\r\n    private notif: LoaderServiceContract,\r\n  ) {}\r\n\r\n  intercept (req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {\r\n    this.notif.start()\r\n\r\n    // extend server response observable with logging\r\n    return next.handle(req).pipe(\r\n      // things don't always work as planned\r\n      // if things go wrong, try again three times\r\n      // however, delay trial in an incremental manner (multipl of 1 second)\r\n      retryWhen((attempts) => {\r\n        return attempts.pipe(\r\n          zip(range(1, 4)),\r\n          mergeMap(([error, i]) => {\r\n            this.notif.start('query')\r\n            if (i > 2) {\r\n              return throwError(error)\r\n            }\r\n            return timer(i * 1000)\r\n          })\r\n        )\r\n      }),\r\n\r\n      // catchError http errors and turn to observable of undefined\r\n      catchError((e) => {\r\n        let title, message\r\n\r\n        this.notif.start('buffer')\r\n\r\n        if (e.error instanceof ErrorEvent) {\r\n          // A client-side or network error occurred. Handle it accordingly.\r\n          title = 'Client Error'\r\n          message = e.error.message\r\n        } else {\r\n          // The backend returned an unsuccessful response code.\r\n          // The response body may contain clues as to what went wrong,\r\n          title = 'Network Info'\r\n          message = `${e.statusText} (${e.status})`\r\n          // message = e.message\r\n        }\r\n        \r\n        if(e.status === 401){\r\n          // this.notif.notify('The username/password is wrong', 'Unauthorized')\r\n        }\r\n        else{\r\n          // this.notif.toast(message, title)\r\n        }\r\n\r\n        console.error({ title, message });\r\n        \r\n        // catche //re throw\r\n        // throw {title, message}\r\n        // return of({ e: {title, message} })\r\n        // return empty()\r\n        return throwError({ title, message})\r\n      }),\r\n      finalize(() => {\r\n        this.notif.stop()\r\n      }),\r\n    )\r\n  }\r\n}\r\n","import { Injectable } from '@angular/core'\r\nimport {\r\n  HttpInterceptor,\r\n  HttpRequest,\r\n  HttpHandler,\r\n  HttpEvent,\r\n} from '@angular/common/http'\r\nimport { Observable } from 'rxjs';\r\n\r\n@Injectable()\r\nexport class StoreSyncInterceptor implements HttpInterceptor {\r\n  // constructor(private cache: RequestCache) {}\r\n\r\n  intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>  {\r\n    // continue if not cachable.\r\n    // if (!isCachable(req)) { return next.handle(req); }\r\n    if (true) {\r\n      return next.handle(req)\r\n    }\r\n\r\n    // cache-or-fetch\r\n    // const cachedResponse = this.cache.get(req);\r\n    // return cachedResponse ?\r\n    //   of(cachedResponse) : sendRequest(req, next, this.cache);\r\n  }\r\n\r\n  /**\r\n   * Get server response observable by sending request to `next()`.\r\n   * Will add the response to the cache on the way out.\r\n   */\r\n  //  sendRequest(\r\n  //     req: HttpRequest<any>,\r\n  //     next: HttpHandler,\r\n  //     cache: RequestCache): Observable<HttpEvent<any>> {\r\n\r\n  //     // No headers allowed in npm search request\r\n  //     const noHeaderReq = req.clone({ headers: new HttpHeaders() });\r\n\r\n  //     return next.handle(noHeaderReq).pipe(\r\n  //       tap(event => {\r\n  //         // There may be other events besides the response.\r\n  //         if (event instanceof HttpResponse) {\r\n  //           cache.put(req, event); // Update the cache.\r\n  //         }\r\n  //       })\r\n  //     );\r\n  //   }\r\n\r\n  // cache-then-refresh\r\n  // if (req.headers.get('x-refresh')) {\r\n  //     const results$ = sendRequest(req, next, this.cache);\r\n  //     return cachedResponse ?\r\n  //       results$.pipe( startWith(cachedResponse) ) :\r\n  //       results$;\r\n  //   }\r\n}\r\n","import { StoreSyncInterceptor } from './store-sync.interceptor'\r\nimport { AuthInterceptor } from './auth.interceptor'\r\nimport { NotifInterceptor } from './notif.interceptor'\r\nimport { HTTP_INTERCEPTORS } from '@angular/common/http'\r\n\r\nexport const INTERCEPTORS: any[] = [\r\n  { provide: HTTP_INTERCEPTORS, useClass: AuthInterceptor, multi: true },\r\n  // { provide: HTTP_INTERCEPTORS, useClass: StoreSyncInterceptor, multi: true },\r\n  { provide: HTTP_INTERCEPTORS, useClass: NotifInterceptor, multi: true }\r\n]\r\n\r\nexport * from './store-sync.interceptor'\r\nexport * from './auth.interceptor'\r\nexport * from './notif.interceptor'\r\n"],"names":[],"mappings":";;;;;;;;;;AAAA;;;;IAQE,YAAoB,IAAiB;QAAjB,SAAI,GAAJ,IAAI,CAAa;KAAI;;;;;;IAEzC,SAAS,CAAC,GAAqB,EAAE,IAAiB;;QAIhD,MAAM,OAAO,GAAG,GAAG,CAAC,KAAK,CAAC;YACxB,OAAO,EAAE,GAAG,CAAC,OAAO,CAAC,GAAG,CAAC,eAAe,EAAE,IAAI,CAAC,IAAI,CAAC,KAAK,EAAE,CAAC;SAC7D,CAAC,CAAA;;QAGF,OAAO,IAAI,CAAC,MAAM,CAAC,OAAO,CAAC,CAAA;KAC5B;;;YAdF,UAAU;;;;YAHF,WAAW;;;;;;;ACHpB;;;;;IAOE,KAAK,CAAE,IAAa,KAAI;;;;IACxB,IAAI,MAAM;;;;;;IACV,MAAM,CAAE,OAAe,EAAE,KAAc,KAAI;;;;;;IAC3C,KAAK,CAAE,OAAe,EAAE,KAAc,KAAI;CAC3C;AAGD;;;;IACE,YACU;QAAA,UAAK,GAAL,KAAK;KACX;;;;;;IAEJ,SAAS,CAAE,GAAqB,EAAE,IAAiB;QACjD,IAAI,CAAC,KAAK,CAAC,KAAK,EAAE,CAAA;;QAGlB,OAAO,IAAI,CAAC,MAAM,CAAC,GAAG,CAAC,CAAC,IAAI;;;;QAI1B,SAAS,CAAC,CAAC,QAAQ;YACjB,OAAO,QAAQ,CAAC,IAAI,CAClB,GAAG,CAAC,KAAK,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,EAChB,QAAQ,CAAC,CAAC,CAAC,KAAK,EAAE,CAAC,CAAC;gBAClB,IAAI,CAAC,KAAK,CAAC,KAAK,CAAC,OAAO,CAAC,CAAA;gBACzB,IAAI,CAAC,GAAG,CAAC,EAAE;oBACT,OAAO,UAAU,CAAC,KAAK,CAAC,CAAA;iBACzB;gBACD,OAAO,KAAK,CAAC,CAAC,GAAG,IAAI,CAAC,CAAA;aACvB,CAAC,CACH,CAAA;SACF,CAAC;;QAGF,UAAU,CAAC,CAAC,CAAC;;YACX,IAAI,KAAK,CAAS;;YAAlB,IAAW,OAAO,CAAA;YAElB,IAAI,CAAC,KAAK,CAAC,KAAK,CAAC,QAAQ,CAAC,CAAA;YAE1B,IAAI,CAAC,CAAC,KAAK,YAAY,UAAU,EAAE;;gBAEjC,KAAK,GAAG,cAAc,CAAA;gBACtB,OAAO,GAAG,CAAC,CAAC,KAAK,CAAC,OAAO,CAAA;aAC1B;iBAAM;;;gBAGL,KAAK,GAAG,cAAc,CAAA;gBACtB,OAAO,GAAG,GAAG,CAAC,CAAC,UAAU,KAAK,CAAC,CAAC,MAAM,GAAG,CAAA;;aAE1C;YAED,IAAG,CAAC,CAAC,MAAM,KAAK,GAAG,EAAC,CAKnB;YAED,OAAO,CAAC,KAAK,CAAC,EAAE,KAAK,EAAE,OAAO,EAAE,CAAC,CAAC;;;;;YAMlC,OAAO,UAAU,CAAC,EAAE,KAAK,EAAE,OAAO,EAAC,CAAC,CAAA;SACrC,CAAC,EACF,QAAQ,CAAC;YACP,IAAI,CAAC,KAAK,CAAC,IAAI,EAAE,CAAA;SAClB,CAAC,CACH,CAAA;KACF;;;YAhEF,UAAU;;;;YAGQ,qBAAqB;;;;;;;AChBxC;;;;;;IAaE,SAAS,CAAC,GAAqB,EAAE,IAAiB;;;QAGhD,AAAU;YACR,OAAO,IAAI,CAAC,MAAM,CAAC,GAAG,CAAC,CAAA;SACxB;;;;;KAMF;;;YAfF,UAAU;;;;;;;ACRX;AAIA,MAAa,YAAY,GAAU;IACjC,EAAE,OAAO,EAAE,iBAAiB,EAAE,QAAQ,EAAE,eAAe,EAAE,KAAK,EAAE,IAAI,EAAE;;IAEtE,EAAE,OAAO,EAAE,iBAAiB,EAAE,QAAQ,EAAE,gBAAgB,EAAE,KAAK,EAAE,IAAI,EAAE;CACxE;;;;;;;;;;;;;;"}