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

2 files changed, 13 insertions, 2 deletions

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(