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import { Component, ElementRef, OnInit } from '@angular/core';
import { FormBuilder, FormGroup } from '@angular/forms';
import { ActivatedRoute, Router } from '@angular/router';
import { FileUploader } from 'ng2-file-upload/ng2-file-upload';
import { NotificationsService } from 'angular2-notifications';
import { AuthService } from '../../core';
import {
FormReactive,
VIDEO_NAME,
VIDEO_CATEGORY,
VIDEO_LICENCE,
VIDEO_LANGUAGE,
VIDEO_DESCRIPTION,
VIDEO_TAGS
} from '../../shared';
import { Video, VideoService } from '../shared';
@Component({
selector: 'my-videos-update',
styleUrls: [ './video-edit.component.scss' ],
templateUrl: './video-update.component.html'
})
export class VideoUpdateComponent extends FormReactive implements OnInit {
tags: string[] = [];
videoCategories = [];
videoLicences = [];
videoLanguages = [];
video: Video;
error: string = null;
form: FormGroup;
formErrors = {
name: '',
category: '',
licence: '',
language: '',
description: '',
currentTag: ''
};
validationMessages = {
name: VIDEO_NAME.MESSAGES,
category: VIDEO_CATEGORY.MESSAGES,
licence: VIDEO_LICENCE.MESSAGES,
language: VIDEO_LANGUAGE.MESSAGES,
description: VIDEO_DESCRIPTION.MESSAGES,
currentTag: VIDEO_TAGS.MESSAGES
};
// Special error messages
tagsError = '';
fileError = '';
constructor(
private authService: AuthService,
private elementRef: ElementRef,
private formBuilder: FormBuilder,
private route: ActivatedRoute,
private router: Router,
private notificationsService: NotificationsService,
private videoService: VideoService
) {
super();
}
buildForm() {
this.form = this.formBuilder.group({
name: [ '', VIDEO_NAME.VALIDATORS ],
nsfw: [ false ],
category: [ '', VIDEO_CATEGORY.VALIDATORS ],
licence: [ '', VIDEO_LICENCE.VALIDATORS ],
language: [ '', VIDEO_LANGUAGE.VALIDATORS ],
description: [ '', VIDEO_DESCRIPTION.VALIDATORS ],
currentTag: [ '', VIDEO_TAGS.VALIDATORS ]
});
this.form.valueChanges.subscribe(data => this.onValueChanged(data));
}
ngOnInit() {
this.buildForm();
this.videoCategories = this.videoService.videoCategories;
this.videoLicences = this.videoService.videoLicences;
this.videoLanguages = this.videoService.videoLanguages;
const id = this.route.snapshot.params['id'];
this.videoService.getVideo(id)
.subscribe(
video => {
this.video = video;
this.hydrateFormFromVideo();
},
err => this.error = 'Cannot fetch video.'
);
}
checkForm() {
this.forceCheck();
return this.form.valid === true && this.tagsError === '' && this.fileError === '';
}
onTagKeyPress(event: KeyboardEvent) {
// Enter press
if (event.keyCode === 13) {
this.addTagIfPossible();
}
}
removeTag(tag: string) {
this.tags.splice(this.tags.indexOf(tag), 1);
this.form.get('currentTag').enable();
}
update() {
// Maybe the user forgot to press "enter" when he filled the field
this.addTagIfPossible();
if (this.checkForm() === false) {
return;
}
this.video.patch(this.form.value);
this.videoService.updateVideo(this.video)
.subscribe(
() => {
this.notificationsService.success('Success', 'Video updated.');
this.router.navigate([ '/videos/watch', this.video.id ]);
},
err => {
this.error = 'Cannot update the video.';
console.error(err);
}
);
}
private addTagIfPossible() {
const currentTag = this.form.value['currentTag'];
if (currentTag === undefined) return;
// Check if the tag is valid and does not already exist
if (
currentTag.length >= 2 &&
this.form.controls['currentTag'].valid &&
this.tags.indexOf(currentTag) === -1
) {
this.tags.push(currentTag);
this.form.patchValue({ currentTag: '' });
if (this.tags.length >= 3) {
this.form.get('currentTag').disable();
}
this.tagsError = '';
}
}
private hydrateFormFromVideo() {
this.form.patchValue(this.video.toJSON());
}
}
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