Client: add basic support for updating a video

1 files changed, 170 insertions, 0 deletions

diff --git a/client/src/app/videos/video-edit/video-update.component.ts b/client/src/app/videos/video-edit/video-update.component.ts
new file mode 100644
index 000000000..b45780a41
--- /dev/null
+++ b/client/src/app/videos/video-edit/video-update.component.ts
@@ -0,0 +1,170 @@
+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());
+  }
+}