I'm having trouble locating my mistake.
app.module.ts
...
providers: [ValidateService,AuthService]
...
In the register.component.ts file, I perform the following actions:
import {AuthService} from '../../services/auth.service';
...
constructor( private _validateService: ValidateService,
private _fms: FlashMessagesService,
private _authService: AuthService,
private _router: Router
) { }
...
ngOnInit() {
this._authService.uniqueUser({username:'zomh'}).subscribe(data => {
console.log("data.success: "+data.success);
if(!data.success) { // Username already exists
console.log('exists');
}
else {
console.log('does not exist');
}
});
}
As expected, when registering a user who is already in the database, I see the message "user exists" in the console.
The same process is applied (simplified to this point) in the validate.service.ts file:
import { AuthService } from './auth.service';
import { Injectable } from '@angular/core';
import { FormControl } from '@angular/forms';
@Injectable()
export class ValidateService {
constructor( public _authService: AuthService) { }
validateRegister(user) {
if(user.name == undefined || user.email == undefined || user.username == undefined || user.password == undefined)
return false;
else
return true;
}
// Other validation methods...
validateUsernameIsUnique (c: FormControl) {
let ret:any;
if (c.value.length >= 3)
{
console.log(c.value);
this._authService.uniqueUser({username:'zomh'}).subscribe(data => {
if(!data.success) {
console.log('call from service: exists');
}
else {
console.log('call from service: does not exist');
}
});
}
return {usernameIsTaken:true};
}
}
However, I encounter a
Cannot read property _authService of undefinedUpdate 1:
After copying the auth Service call into the Constructor and seeing success, it appears that there may be an issue with referencing this. in other methods outside of the constructor?
@Injectable()
export class ValidateService {
constructor( private _authService: AuthService ) {
this._authService.uniqueUser({ username: 'zomh' }).subscribe(data => {
if (!data.success) { // Username already exists
console.log('call from service: exists');
}
else {
console.log('call from service: does not exist');
}
});
}