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apps-register.component.ts
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apps-register.component.ts
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import { Component, OnInit, OnDestroy } from '@angular/core';
import { Subscription, Subject } from 'rxjs';
import { Router } from '@angular/router';
import { FormBuilder, FormControl, FormGroup, Validators } from '@angular/forms';
import { AppsRegisterValidator } from './apps-register.validator';
import { takeUntil } from 'rxjs/operators';
import { ApplicationType } from '../../../shared/model/application-type';
import { AppsService } from '../../apps.service';
import { NotificationService } from '../../../shared/services/notification.service';
import { LoggerService } from '../../../shared/services/logger.service';
import { AppRegisterParams } from '../../components/apps.interface';
import { AppError } from '../../../shared/model/error.model';
import { BlockerService } from '../../../shared/components/blocker/blocker.service';
/**
* Applications Register
* Provide forms to register application
*
* @author Gunnar Hillert
* @author Damien Vitrac
*/
@Component({
selector: 'app-apps',
styleUrls: ['./styles.scss'],
templateUrl: './apps-register.component.html'
})
export class AppsRegisterComponent implements OnInit, OnDestroy {
/**
* Unsubscribe
*/
private ngUnsubscribe$: Subject<any> = new Subject();
/**
* Array of forms registration
* @type {Array}
*/
forms: FormGroup[] = [];
/**
* Application types
* @type {ApplicationType}
*/
applicationTypes = ApplicationType;
/**
* Form Submitted
*/
submitted = false;
/**
* Constructor
*
* @param {AppsService} appsService
* @param {NotificationService} notificationService
* @param {FormBuilder} fb
* @param {BlockerService} blockerService
* @param {LoggerService} loggerService
* @param {Router} router
*/
constructor(private appsService: AppsService,
private notificationService: NotificationService,
private fb: FormBuilder,
private blockerService: BlockerService,
private loggerService: LoggerService,
private router: Router) {
}
/**
* Will cleanup any {@link Subscription}s to prevent
* memory leaks.
*/
ngOnDestroy() {
this.ngUnsubscribe$.next();
this.ngUnsubscribe$.complete();
}
/**
* Initialize by creating the first form registration
*/
ngOnInit() {
this.newForm();
}
/**
* Collect the filled forms and submit them to the service
*/
register() {
this.submitted = true;
if (!this.isValid()) {
if (this.noValue()) {
this.notificationService.error('Please, register at least one application.');
} else {
this.notificationService.error('Some field(s) are missing or invalid.');
}
} else {
const applications: AppRegisterParams[] = this.forms.map((form: FormGroup) => {
if (!form.invalid && !this.isFormEmpty(form)) {
return {
name: form.get('name').value,
type: form.get('type').value as ApplicationType,
uri: form.get('uri').value,
metaDataUri: form.get('metaDataUri').value,
force: form.get('force').value
};
}
}).filter((a) => a != null);
this.blockerService.lock();
this.appsService.registerApps(applications)
.pipe(takeUntil(this.ngUnsubscribe$))
.subscribe(
data => {
this.notificationService.success(`${data.length} App(s) registered.`);
this.cancel();
},
error => {
this.notificationService.error(AppError.is(error) ? error.getMessage() : error);
}, () => {
this.blockerService.unlock();
}
);
}
}
/**
* Return true if no form is invalid and at least one form is fill correctly
*
* @returns {boolean}
*/
isValid(): boolean {
let count = 0;
for (let i = 0; i < this.forms.length; i++) {
if (this.isFormEmpty(this.forms[i])) {
continue;
}
if (this.forms[i].invalid) {
return false;
}
count++;
}
return (count > 0);
}
/**
* Return true if all the forms are empty
*
* @returns {boolean}
*/
noValue(): boolean {
for (let i = 0; i < this.forms.length; i++) {
if (!this.isFormEmpty(this.forms[i])) {
return false;
}
}
return true;
}
/**
* State of a form (is empty)
*
* @param {FormGroup} form
* @returns {boolean}
*/
isFormEmpty(form: FormGroup) {
return (form.get('uri').hasError('required') && form.get('name').hasError('required')
&& form.get('metaDataUri').value === '' && form.get('type').hasError('required'));
}
/**
* Adds form with the default values
* @param index Insertion index
*/
newForm(index?: number) {
index = index || this.forms.length;
const form = this.fb.group({
name: new FormControl('', [AppsRegisterValidator.appName, Validators.required]),
type: new FormControl('', Validators.required),
uri: new FormControl('', [AppsRegisterValidator.uri, Validators.required]),
metaDataUri: new FormControl('', AppsRegisterValidator.uri),
force: new FormControl(false)
});
this.forms.splice(index + 1, 0, form);
}
/**
* Removes form
* @param {number} index Index of the entry
*/
removeForm(index: number) {
this.forms.splice(index, 1);
}
/**
* Navigate to the applications list
*/
cancel() {
this.loggerService.log('Back to apps page ...');
this.router.navigate(['apps']);
}
}