add ability to remove one's avatar for account and channels (#3467)

* add ability to remove one's avatar for account and channels

* add ability to remove one's avatar for account and channels

* only display avatar edition options after input change

3 files changed, 22 insertions, 2 deletions

diff --git a/client/src/app/+my-library/+my-video-channels/my-video-channel-edit.component.html b/client/src/app/+my-library/+my-video-channels/my-video-channel-edit.component.html
index 5ea000400..735f9e3ba 100644
--- a/client/src/app/+my-library/+my-video-channels/my-video-channel-edit.component.html
+++ b/client/src/app/+my-library/+my-video-channels/my-video-channel-edit.component.html
@@ -46,7 +46,7 @@
 
       <my-actor-avatar-info
         *ngIf="!isCreation() && videoChannelToUpdate"
-        [actor]="videoChannelToUpdate" (avatarChange)="onAvatarChange($event)"
+        [actor]="videoChannelToUpdate" (avatarChange)="onAvatarChange($event)" (avatarDelete)="onAvatarDelete()"
       ></my-actor-avatar-info>
 
       <div class="form-group">
diff --git a/client/src/app/+my-library/+my-video-channels/my-video-channel-edit.ts b/client/src/app/+my-library/+my-video-channels/my-video-channel-edit.ts
index 09db0df9d..3e20a27ee 100644
--- a/client/src/app/+my-library/+my-video-channels/my-video-channel-edit.ts
+++ b/client/src/app/+my-library/+my-video-channels/my-video-channel-edit.ts
@@ -14,6 +14,7 @@ export abstract class MyVideoChannelEdit extends FormReactive {
 
   // We need this method so angular does not complain in child template that doesn't need this
   onAvatarChange (formData: FormData) { /* empty */ }
+  onAvatarDelete () { /* empty */ }
 
   // Should be implemented by the child
   isBulkUpdateVideosDisplayed () {
diff --git a/client/src/app/+my-library/+my-video-channels/my-video-channel-update.component.ts b/client/src/app/+my-library/+my-video-channels/my-video-channel-update.component.ts
index c6cb5ade6..6cd1ff503 100644
--- a/client/src/app/+my-library/+my-video-channels/my-video-channel-update.component.ts
+++ b/client/src/app/+my-library/+my-video-channels/my-video-channel-update.component.ts
@@ -11,6 +11,8 @@ import { FormValidatorService } from '@app/shared/shared-forms'
 import { VideoChannel, VideoChannelService } from '@app/shared/shared-main'
 import { ServerConfig, VideoChannelUpdate } from '@shared/models'
 import { MyVideoChannelEdit } from './my-video-channel-edit'
+import { HttpErrorResponse } from '@angular/common/http'
+import { uploadErrorHandler } from '@app/helpers'
 
 @Component({
   selector: 'my-video-channel-update',
@@ -107,10 +109,27 @@ export class MyVideoChannelUpdateComponent extends MyVideoChannelEdit implements
             this.videoChannelToUpdate.updateAvatar(data.avatar)
           },
 
-          err => this.notifier.error(err.message)
+          (err: HttpErrorResponse) => uploadErrorHandler({
+            err,
+            name: $localize`avatar`,
+            notifier: this.notifier
+          })
         )
   }
 
+  onAvatarDelete () {
+    this.videoChannelService.deleteVideoChannelAvatar(this.videoChannelToUpdate.name)
+                            .subscribe(
+                              data => {
+                                this.notifier.success($localize`Avatar deleted.`)
+
+                                this.videoChannelToUpdate.resetAvatar()
+                              },
+
+                              err => this.notifier.error(err.message)
+                            )
+  }
+
   get maxAvatarSize () {
     return this.serverConfig.avatar.file.size.max
   }