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import { Control, ControlGroup, Validators } from '@angular/common';
import { Component, ElementRef, OnInit } from '@angular/core';
import { Router } from '@angular/router-deprecated';
import { BytesPipe } from 'angular-pipes/src/math/bytes.pipe';
import { PROGRESSBAR_DIRECTIVES } from 'ng2-bootstrap/components/progressbar';
import { FileSelectDirective, FileUploader } from 'ng2-file-upload/ng2-file-upload';
import { AuthService } from '../../shared';
@Component({
selector: 'my-videos-add',
styles: [ require('./video-add.component.scss') ],
template: require('./video-add.component.html'),
directives: [ FileSelectDirective, PROGRESSBAR_DIRECTIVES ],
pipes: [ BytesPipe ]
})
export class VideoAddComponent implements OnInit {
currentTag: string; // Tag the user is writing in the input
error: string = null;
videoForm: ControlGroup;
uploader: FileUploader;
video = {
name: '',
tags: [],
description: ''
};
constructor(
private authService: AuthService,
private elementRef: ElementRef,
private router: Router
) {}
get filename() {
if (this.uploader.queue.length === 0) {
return null;
}
return this.uploader.queue[0].file.name;
}
get isTagsInputDisabled () {
return this.video.tags.length >= 3;
}
getInvalidFieldsTitle() {
let title = '';
const nameControl = this.videoForm.controls['name'];
const descriptionControl = this.videoForm.controls['description'];
if (!nameControl.valid) {
title += 'A name is required\n';
}
if (this.video.tags.length === 0) {
title += 'At least one tag is required\n';
}
if (this.filename === null) {
title += 'A file is required\n';
}
if (!descriptionControl.valid) {
title += 'A description is required\n';
}
return title;
}
ngOnInit() {
this.videoForm = new ControlGroup({
name: new Control('', Validators.compose([ Validators.required, Validators.minLength(3), Validators.maxLength(50) ])),
description: new Control('', Validators.compose([ Validators.required, Validators.minLength(3), Validators.maxLength(250) ])),
tags: new Control('', Validators.pattern('^[a-zA-Z0-9]{2,10}$'))
});
this.uploader = new FileUploader({
authToken: this.authService.getRequestHeaderValue(),
queueLimit: 1,
url: '/api/v1/videos',
removeAfterUpload: true
});
this.uploader.onBuildItemForm = (item, form) => {
form.append('name', this.video.name);
form.append('description', this.video.description);
for (let i = 0; i < this.video.tags.length; i++) {
form.append(`tags[${i}]`, this.video.tags[i]);
}
};
}
onTagKeyPress(event: KeyboardEvent) {
// Enter press
if (event.keyCode === 13) {
// Check if the tag is valid and does not already exist
if (
this.currentTag !== '' &&
this.videoForm.controls['tags'].valid &&
this.video.tags.indexOf(this.currentTag) === -1
) {
this.video.tags.push(this.currentTag);
this.currentTag = '';
}
}
}
removeFile() {
this.uploader.clearQueue();
}
removeTag(tag: string) {
this.video.tags.splice(this.video.tags.indexOf(tag), 1);
}
upload() {
const item = this.uploader.queue[0];
// TODO: wait for https://github.com/valor-software/ng2-file-upload/pull/242
item.alias = 'videofile';
item.onSuccess = () => {
console.log('Video uploaded.');
// Print all the videos once it's finished
this.router.navigate(['VideosList']);
};
item.onError = (response: string, status: number) => {
this.error = (status === 400) ? response : 'Unknow error';
console.error(this.error);
};
this.uploader.uploadAll();
}
}
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