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import { Component, ElementRef, OnInit } from '@angular/core';
import { FormBuilder, FormGroup } from '@angular/forms';
import { 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_DESCRIPTION,
VIDEO_TAGS
} from '../../shared';
import { VideoService } from '../shared';
@Component({
selector: 'my-videos-add',
styleUrls: [ './video-add.component.scss' ],
templateUrl: './video-add.component.html'
})
export class VideoAddComponent extends FormReactive implements OnInit {
tags: string[] = [];
uploader: FileUploader;
videoCategories = [];
videoLicences = [];
error: string = null;
form: FormGroup;
formErrors = {
name: '',
category: '',
licence: '',
description: '',
currentTag: ''
};
validationMessages = {
name: VIDEO_NAME.MESSAGES,
category: VIDEO_CATEGORY.MESSAGES,
licence: VIDEO_LICENCE.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 router: Router,
private notificationsService: NotificationsService,
private videoService: VideoService
) {
super();
}
get filename() {
if (this.uploader.queue.length === 0) {
return null;
}
return this.uploader.queue[0].file.name;
}
buildForm() {
this.form = this.formBuilder.group({
name: [ '', VIDEO_NAME.VALIDATORS ],
nsfw: [ false ],
category: [ '', VIDEO_CATEGORY.VALIDATORS ],
licence: [ '', VIDEO_LICENCE.VALIDATORS ],
description: [ '', VIDEO_DESCRIPTION.VALIDATORS ],
currentTag: [ '', VIDEO_TAGS.VALIDATORS ]
});
this.form.valueChanges.subscribe(data => this.onValueChanged(data));
}
ngOnInit() {
this.videoCategories = this.videoService.videoCategories;
this.videoLicences = this.videoService.videoLicences;
this.uploader = new FileUploader({
authToken: this.authService.getRequestHeaderValue(),
queueLimit: 1,
url: '/api/v1/videos',
removeAfterUpload: true
});
this.uploader.onBuildItemForm = (item, form) => {
const name = this.form.value['name'];
const nsfw = this.form.value['nsfw'];
const category = this.form.value['category'];
const licence = this.form.value['licence'];
const description = this.form.value['description'];
form.append('name', name);
form.append('category', category);
form.append('nsfw', nsfw);
form.append('licence', licence);
form.append('description', description);
for (let i = 0; i < this.tags.length; i++) {
form.append(`tags[${i}]`, this.tags[i]);
}
};
this.buildForm();
}
checkForm() {
this.forceCheck();
if (this.filename === null) {
this.fileError = 'You did not add a file.';
}
return this.form.valid === true && this.tagsError === '' && this.fileError === '';
}
fileChanged() {
this.fileError = '';
}
onTagKeyPress(event: KeyboardEvent) {
// Enter press
if (event.keyCode === 13) {
this.addTagIfPossible();
}
}
removeFile() {
this.uploader.clearQueue();
}
removeTag(tag: string) {
this.tags.splice(this.tags.indexOf(tag), 1);
this.form.get('currentTag').enable();
}
upload() {
// Maybe the user forgot to press "enter" when he filled the field
this.addTagIfPossible();
if (this.checkForm() === false) {
return;
}
const item = this.uploader.queue[0];
// TODO: wait for https://github.com/valor-software/ng2-file-upload/pull/242
item.alias = 'videofile';
// FIXME: remove
// Run detection change for progress bar
const interval = setInterval(() => { ; }, 250);
item.onSuccess = () => {
clearInterval(interval);
console.log('Video uploaded.');
this.notificationsService.success('Success', 'Video uploaded.');
// Print all the videos once it's finished
this.router.navigate(['/videos/list']);
};
item.onError = (response: string, status: number) => {
clearInterval(interval);
// We need to handle manually these cases beceause we use the FileUpload component
if (status === 400) {
this.error = response;
} else if (status === 401) {
this.error = 'Access token was expired, refreshing token...';
this.authService.refreshAccessToken().subscribe(
() => {
// Update the uploader request header
this.uploader.authToken = this.authService.getRequestHeaderValue();
this.error += ' access token refreshed. Please retry your request.';
}
);
} else {
this.error = 'Unknow error';
console.error(this.error);
}
};
this.uploader.uploadAll();
}
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 = '';
}
}
}
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