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

14 files changed, 140 insertions, 19 deletions

diff --git a/client/src/app/+my-account/my-account-settings/my-account-settings.component.html b/client/src/app/+my-account/my-account-settings/my-account-settings.component.html
index 40505b92f..b0d2ec58d 100644
--- a/client/src/app/+my-account/my-account-settings/my-account-settings.component.html
+++ b/client/src/app/+my-account/my-account-settings/my-account-settings.component.html
@@ -3,7 +3,7 @@
   <div class="form-group col-12 col-lg-4 col-xl-3"></div>
 
   <div class="form-group col-12 col-lg-8 col-xl-9">
-    <my-actor-avatar-info [actor]="user.account" (avatarChange)="onAvatarChange($event)"></my-actor-avatar-info>
+    <my-actor-avatar-info [actor]="user.account" (avatarChange)="onAvatarChange($event)" (avatarDelete)="onAvatarDelete()"></my-actor-avatar-info>
   </div>
 </div>
 
diff --git a/client/src/app/+my-account/my-account-settings/my-account-settings.component.ts b/client/src/app/+my-account/my-account-settings/my-account-settings.component.ts
index d5d019b35..c16368952 100644
--- a/client/src/app/+my-account/my-account-settings/my-account-settings.component.ts
+++ b/client/src/app/+my-account/my-account-settings/my-account-settings.component.ts
@@ -53,4 +53,17 @@ export class MyAccountSettingsComponent implements OnInit, AfterViewChecked {
         })
       )
   }
+
+  onAvatarDelete () {
+    this.userService.deleteAvatar()
+      .subscribe(
+        data => {
+          this.notifier.success($localize`Avatar deleted.`)
+
+          this.user.updateAccountAvatar()
+        },
+
+        (err: HttpErrorResponse) => this.notifier.error(err.message)
+      )
+  }
 }
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
   }
diff --git a/client/src/app/core/users/user.model.ts b/client/src/app/core/users/user.model.ts
index 7c9569ed4..15a4f7f82 100644
--- a/client/src/app/core/users/user.model.ts
+++ b/client/src/app/core/users/user.model.ts
@@ -131,8 +131,9 @@ export class User implements UserServerModel {
     }
   }
 
-  updateAccountAvatar (newAccountAvatar: Avatar) {
-    this.account.updateAvatar(newAccountAvatar)
+  updateAccountAvatar (newAccountAvatar?: Avatar) {
+    if (newAccountAvatar) this.account.updateAvatar(newAccountAvatar)
+    else this.account.resetAvatar()
   }
 
   isUploadDisabled () {
diff --git a/client/src/app/core/users/user.service.ts b/client/src/app/core/users/user.service.ts
index 2f3945169..99ed3b407 100644
--- a/client/src/app/core/users/user.service.ts
+++ b/client/src/app/core/users/user.service.ts
@@ -123,6 +123,16 @@ export class UserService {
                .pipe(catchError(err => this.restExtractor.handleError(err)))
   }
 
+  deleteAvatar () {
+    const url = UserService.BASE_USERS_URL + 'me/avatar'
+
+    return this.authHttp.delete(url)
+               .pipe(
+                 map(this.restExtractor.extractDataBool),
+                 catchError(err => this.restExtractor.handleError(err))
+               )
+  }
+
   signup (userCreate: UserRegister) {
     return this.authHttp.post(UserService.BASE_USERS_URL + 'register', userCreate)
                .pipe(
diff --git a/client/src/app/shared/shared-main/account/account.model.ts b/client/src/app/shared/shared-main/account/account.model.ts
index b3dc6cfe5..b71a893d1 100644
--- a/client/src/app/shared/shared-main/account/account.model.ts
+++ b/client/src/app/shared/shared-main/account/account.model.ts
@@ -44,6 +44,11 @@ export class Account extends Actor implements ServerAccount {
     this.updateComputedAttributes()
   }
 
+  resetAvatar () {
+    this.avatar = null
+    this.avatarUrl = Account.GET_DEFAULT_AVATAR_URL()
+  }
+
   private updateComputedAttributes () {
     this.avatarUrl = Account.GET_ACTOR_AVATAR_URL(this)
   }
diff --git a/client/src/app/shared/shared-main/account/actor-avatar-info.component.html b/client/src/app/shared/shared-main/account/actor-avatar-info.component.html
index e63d8de2d..a34d27b26 100644
--- a/client/src/app/shared/shared-main/account/actor-avatar-info.component.html
+++ b/client/src/app/shared/shared-main/account/actor-avatar-info.component.html
@@ -4,12 +4,18 @@
       <img [src]="actor.avatarUrl" alt="Avatar" />
 
       <div class="actor-img-edit-container">
-        <div class="actor-img-edit-button" [ngbTooltip]="avatarFormat"
-          placement="right" container="body">
+
+        <div *ngIf="!hasAvatar" class="actor-img-edit-button" [ngbTooltip]="avatarFormat" placement="right" container="body">
+          <my-global-icon iconName="upload"></my-global-icon>
+          <label class="sr-only" for="avatarfile" i18n>Upload a new avatar</label>
+          <input #avatarfileInput type="file" title=" " name="avatarfile" id="avatarfile" [accept]="avatarExtensions" (change)="onAvatarChange(avatarfileInput)"/>
+        </div>
+
+        <div *ngIf="hasAvatar" class="actor-img-edit-button" #avatarPopover="ngbPopover" [ngbPopover]="avatarEditContent" popoverClass="popover-avatar-info" autoClose="outside" placement="right">
           <my-global-icon iconName="edit"></my-global-icon>
-          <label for="avatarfile" i18n>Change your avatar</label>
-          <input #avatarfileInput type="file" title=" " name="avatarfile" id="avatarfile" [accept]="avatarExtensions" (change)="onAvatarChange()"/>
+          <label class="sr-only" for="avatarMenu" i18n>Change your avatar</label>
         </div>
+
       </div>
     </div>
 
@@ -22,4 +28,16 @@
       <div i18n class="actor-info-followers">{{ actor.followersCount }} subscribers</div>
     </div>
   </div>
-</ng-container>
\ No newline at end of file
+</ng-container>
+
+<ng-template #avatarEditContent>
+  <div class="dropdown-item c-hand" [ngbTooltip]="avatarFormat" placement="right" container="body">
+    <my-global-icon iconName="upload"></my-global-icon>
+    <span for="avatarfile" i18n>Upload a new avatar</span>
+    <input #avatarfileInput type="file" title=" " name="avatarfile" id="avatarfile" [accept]="avatarExtensions" (change)="onAvatarChange(avatarfileInput)"/>
+  </div>
+  <div class="dropdown-item c-hand" (click)="deleteAvatar()" (key.enter)="deleteAvatar()">
+    <my-global-icon iconName="delete"></my-global-icon>
+    <span i18n>Remove avatar</span>
+  </div>
+</ng-template>
\ No newline at end of file
diff --git a/client/src/app/shared/shared-main/account/actor-avatar-info.component.scss b/client/src/app/shared/shared-main/account/actor-avatar-info.component.scss
index 7118e9471..57c298508 100644
--- a/client/src/app/shared/shared-main/account/actor-avatar-info.component.scss
+++ b/client/src/app/shared/shared-main/account/actor-avatar-info.component.scss
@@ -70,3 +70,17 @@
     }
   }
 }
+
+.actor-img-edit-container ::ng-deep .popover-avatar-info .popover-body {
+  padding: 0;
+
+  .dropdown-item {
+    padding: 6px 10px;
+    border-radius: 4px;
+
+    &:first-child {
+      @include peertube-file;
+      display: block;
+    }
+  }
+}
diff --git a/client/src/app/shared/shared-main/account/actor-avatar-info.component.ts b/client/src/app/shared/shared-main/account/actor-avatar-info.component.ts
index de78a390e..451bbbba3 100644
--- a/client/src/app/shared/shared-main/account/actor-avatar-info.component.ts
+++ b/client/src/app/shared/shared-main/account/actor-avatar-info.component.ts
@@ -1,22 +1,27 @@
-import { Component, ElementRef, EventEmitter, Input, OnInit, Output, ViewChild } from '@angular/core'
+import { Component, ElementRef, EventEmitter, Input, OnChanges, OnInit, Output, SimpleChanges, ViewChild } from '@angular/core'
 import { Notifier, ServerService } from '@app/core'
 import { getBytes } from '@root-helpers/bytes'
 import { ServerConfig } from '@shared/models'
 import { VideoChannel } from '../video-channel/video-channel.model'
 import { Account } from '../account/account.model'
+import { NgbPopover } from '@ng-bootstrap/ng-bootstrap'
+import { Actor } from './actor.model'
 
 @Component({
   selector: 'my-actor-avatar-info',
   templateUrl: './actor-avatar-info.component.html',
   styleUrls: [ './actor-avatar-info.component.scss' ]
 })
-export class ActorAvatarInfoComponent implements OnInit {
+export class ActorAvatarInfoComponent implements OnInit, OnChanges {
   @ViewChild('avatarfileInput') avatarfileInput: ElementRef<HTMLInputElement>
+  @ViewChild('avatarPopover') avatarPopover: NgbPopover
 
   @Input() actor: VideoChannel | Account
 
   @Output() avatarChange = new EventEmitter<FormData>()
+  @Output() avatarDelete = new EventEmitter<void>()
 
+  private avatarUrl: string
   private serverConfig: ServerConfig
 
   constructor (
@@ -30,19 +35,31 @@ export class ActorAvatarInfoComponent implements OnInit {
         .subscribe(config => this.serverConfig = config)
   }
 
-  onAvatarChange () {
+  ngOnChanges (changes: SimpleChanges) {
+    if (changes['actor']) {
+      this.avatarUrl = Actor.GET_ACTOR_AVATAR_URL(this.actor)
+    }
+  }
+
+  onAvatarChange (input: HTMLInputElement) {
+    this.avatarfileInput = new ElementRef(input)
+
     const avatarfile = this.avatarfileInput.nativeElement.files[ 0 ]
     if (avatarfile.size > this.maxAvatarSize) {
-      this.notifier.error('Error', 'This image is too large.')
+      this.notifier.error('Error', $localize`This image is too large.`)
       return
     }
 
     const formData = new FormData()
     formData.append('avatarfile', avatarfile)
-
+    this.avatarPopover?.close()
     this.avatarChange.emit(formData)
   }
 
+  deleteAvatar () {
+    this.avatarDelete.emit()
+  }
+
   get maxAvatarSize () {
     return this.serverConfig.avatar.file.size.max
   }
@@ -58,4 +75,8 @@ export class ActorAvatarInfoComponent implements OnInit {
   get avatarFormat () {
     return `${$localize`max size`}: 192*192px, ${this.maxAvatarSizeInBytes} ${$localize`extensions`}: ${this.avatarExtensions}`
   }
+
+  get hasAvatar () {
+    return !!this.avatarUrl
+  }
 }
diff --git a/client/src/app/shared/shared-main/video-channel/video-channel.model.ts b/client/src/app/shared/shared-main/video-channel/video-channel.model.ts
index 4f1f5b65d..c6a63fe6c 100644
--- a/client/src/app/shared/shared-main/video-channel/video-channel.model.ts
+++ b/client/src/app/shared/shared-main/video-channel/video-channel.model.ts
@@ -56,6 +56,11 @@ export class VideoChannel extends Actor implements ServerVideoChannel {
     this.updateComputedAttributes()
   }
 
+  resetAvatar () {
+    this.avatar = null
+    this.avatarUrl = VideoChannel.GET_DEFAULT_AVATAR_URL()
+  }
+
   private updateComputedAttributes () {
     this.avatarUrl = VideoChannel.GET_ACTOR_AVATAR_URL(this)
   }
diff --git a/client/src/app/shared/shared-main/video-channel/video-channel.service.ts b/client/src/app/shared/shared-main/video-channel/video-channel.service.ts
index 64dcf638a..eff3fad4d 100644
--- a/client/src/app/shared/shared-main/video-channel/video-channel.service.ts
+++ b/client/src/app/shared/shared-main/video-channel/video-channel.service.ts
@@ -89,6 +89,16 @@ export class VideoChannelService {
                .pipe(catchError(err => this.restExtractor.handleError(err)))
   }
 
+  deleteVideoChannelAvatar (videoChannelName: string) {
+    const url = VideoChannelService.BASE_VIDEO_CHANNEL_URL + videoChannelName + '/avatar'
+
+    return this.authHttp.delete(url)
+               .pipe(
+                 map(this.restExtractor.extractDataBool),
+                 catchError(err => this.restExtractor.handleError(err))
+               )
+  }
+
   removeVideoChannel (videoChannel: VideoChannel) {
     return this.authHttp.delete(VideoChannelService.BASE_VIDEO_CHANNEL_URL + videoChannel.nameWithHost)
                .pipe(
diff --git a/client/src/sass/include/_mixins.scss b/client/src/sass/include/_mixins.scss
index 0ce22354e..51cf4c3ed 100644
--- a/client/src/sass/include/_mixins.scss
+++ b/client/src/sass/include/_mixins.scss
@@ -260,15 +260,12 @@
   }
 }
 
-@mixin peertube-button-file ($width) {
+@mixin peertube-file {
   position: relative;
   overflow: hidden;
   display: inline-block;
-  width: $width;
   min-height: 30px;
 
-  @include peertube-button;
-
   input[type=file] {
     position: absolute;
     top: 0;
@@ -286,6 +283,13 @@
   }
 }
 
+@mixin peertube-button-file ($width) {
+  width: $width;
+
+  @include peertube-file;
+  @include peertube-button;
+}
+
 @mixin icon ($size) {
   display: inline-block;
   background-repeat: no-repeat;