1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
import { Validators } from '@angular/common';
import { Component, ElementRef, OnInit } from '@angular/core';
import { FormControl, FormGroup, REACTIVE_FORM_DIRECTIVES } from '@angular/forms';
import { Router } from '@angular/router';
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, REACTIVE_FORM_DIRECTIVES ],
pipes: [ BytesPipe ]
})
export class VideoAddComponent implements OnInit {
currentTag: string; // Tag the user is writing in the input
error: string = null;
videoForm: FormGroup;
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 FormGroup({
name: new FormControl('', [ <any>Validators.required, <any>Validators.minLength(3), <any>Validators.maxLength(50) ]),
description: new FormControl('', [ <any>Validators.required, <any>Validators.minLength(3), <any>Validators.maxLength(250) ]),
tags: new FormControl('', <any>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(['/videos/list']);
};
item.onError = (response: string, status: number) => {
// 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();
}
}
|