zgo/src/app/xero.service.ts

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2022-08-10 19:12:28 +00:00
import { Injectable } from '@angular/core';
import { BehaviorSubject, Observable } from 'rxjs';
import { HttpClient, HttpParams, HttpHeaders } from '@angular/common/http';
import { ConfigData } from './configdata';
var Buffer = require('buffer/').Buffer;
@Injectable({
providedIn: 'root'
})
export class XeroService {
beUrl = ConfigData.Be_URL;
clientId: string = '';
clientSecret: string = '';
xeroToken: any = {
accessToken: '',
refreshToken: '',
expiresIn: 0,
scope: '',
tokenType: ''
};
private _clientIdUpdated: BehaviorSubject<string> = new BehaviorSubject(this.clientId);
private _clientSecretUpdated: BehaviorSubject<string> = new BehaviorSubject(this.clientSecret);
private _tokenUpdated: BehaviorSubject<any> = new BehaviorSubject(this.xeroToken);
public readonly clientIdUpdate: Observable<string> = this._clientIdUpdated.asObservable();
public readonly clientSecretUpdate: Observable<string> = this._clientSecretUpdated.asObservable();
public readonly tokenUpdate: Observable<any> = this._tokenUpdated.asObservable();
private reqHeaders: HttpHeaders;
constructor(
private http: HttpClient
) {
var auth = 'Basic ' + Buffer.from(ConfigData.UsrPwd).toString('base64');
this.reqHeaders = new HttpHeaders().set('Authorization', auth);
this.getXeroConfig();
}
getXeroConfig(){
let obs = this.http.get<{message: string, xeroConfig: any}>(this.beUrl+'api/xero', { headers:this.reqHeaders, observe: 'response'});
obs.subscribe(xeroDataResponse => {
if (xeroDataResponse.status == 200) {
this.clientId = xeroDataResponse.body!.xeroConfig.clientId;
this.clientSecret = xeroDataResponse.body!.xeroConfig.clientSecret;
this._clientIdUpdated.next(Object.assign({}, this).clientId);
this._clientSecretUpdated.next(Object.assign({}, this).clientSecret);
} else {
console.log('No config in DB!');
}
});
return obs;
}
getXeroAccessToken(code: string){
this.getXeroConfig().subscribe(xeroDataResponse => {
console.log('XAT: '+this.clientId);
var xeroAuth = 'Basic ' + Buffer.from(`${this.clientId}:${this.clientSecret}`).toString('base64');
var xeroHeaders = new HttpHeaders().set('Authorization', xeroAuth).append('Content-Type', 'application/x-www-form-urlencoded');
let obs = this.http.post('https://identity.xero.com/connect/token', `grant_type=authorization_code&code=${code}&redirect_uri=http://localhost:4200/test` , {headers: xeroHeaders, observe: 'response'})
obs.subscribe(tokenData => {
if (tokenData.status == 200) {
console.log(tokenData.body!);
this.xeroToken = tokenData.body!;
this._tokenUpdated.next(Object.assign({}, this).xeroToken);
} else {
console.log('Error: '+tokenData.status);
}
});
});
}
}