5 files changed, 28 insertions, 5 deletions

diff --git a/client/src/app/shared/forms/form-validators/index.ts b/client/src/app/shared/forms/form-validators/index.ts
index 60d735ef7..9bc7615ca 100644
--- a/client/src/app/shared/forms/form-validators/index.ts
+++ b/client/src/app/shared/forms/form-validators/index.ts
@@ -5,6 +5,7 @@ export * from './login-validators.service'
 export * from './reset-password-validators.service'
 export * from './user-validators.service'
 export * from './video-abuse-validators.service'
+export * from './video-blacklist-validators.service'
 export * from './video-channel-validators.service'
 export * from './video-comment-validators.service'
 export * from './video-validators.service'
diff --git a/client/src/app/shared/forms/form-validators/video-blacklist-validators.service.ts b/client/src/app/shared/forms/form-validators/video-blacklist-validators.service.ts
new file mode 100644
index 000000000..07d1f264a
--- /dev/null
+++ b/client/src/app/shared/forms/form-validators/video-blacklist-validators.service.ts
@@ -0,0 +1,19 @@
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { Validators } from '@angular/forms'
+import { Injectable } from '@angular/core'
+import { BuildFormValidator } from '@app/shared'
+
+@Injectable()
+export class VideoBlacklistValidatorsService {
+  readonly VIDEO_BLACKLIST_REASON: BuildFormValidator
+
+  constructor (private i18n: I18n) {
+    this.VIDEO_BLACKLIST_REASON = {
+      VALIDATORS: [ Validators.minLength(2), Validators.maxLength(300) ],
+      MESSAGES: {
+        'minlength': this.i18n('Blacklist reason must be at least 2 characters long.'),
+        'maxlength': this.i18n('Blacklist reason cannot be more than 300 characters long.')
+      }
+    }
+  }
+}
diff --git a/client/src/app/shared/shared.module.ts b/client/src/app/shared/shared.module.ts
index ea7f2c887..722415a06 100644
--- a/client/src/app/shared/shared.module.ts
+++ b/client/src/app/shared/shared.module.ts
@@ -36,7 +36,7 @@ import {
   ReactiveFileComponent,
   ResetPasswordValidatorsService,
   UserValidatorsService,
-  VideoAbuseValidatorsService,
+  VideoAbuseValidatorsService, VideoBlacklistValidatorsService,
   VideoChannelValidatorsService,
   VideoCommentValidatorsService,
   VideoValidatorsService
@@ -133,6 +133,7 @@ import { NgbDropdownModule, NgbModalModule, NgbPopoverModule, NgbTabsetModule, N
     MarkdownService,
     VideoChannelService,
     VideoCaptionService,
+    VideoImportService,
 
     FormValidatorService,
     CustomConfigValidatorsService,
@@ -144,7 +145,7 @@ import { NgbDropdownModule, NgbModalModule, NgbPopoverModule, NgbTabsetModule, N
     VideoCommentValidatorsService,
     VideoValidatorsService,
     VideoCaptionsValidatorsService,
-    VideoImportService,
+    VideoBlacklistValidatorsService,
 
     I18nPrimengCalendarService,
     ScreenService,
diff --git a/client/src/app/shared/video-blacklist/video-blacklist.service.ts b/client/src/app/shared/video-blacklist/video-blacklist.service.ts
index 040d82c9a..a014260b1 100644
--- a/client/src/app/shared/video-blacklist/video-blacklist.service.ts
+++ b/client/src/app/shared/video-blacklist/video-blacklist.service.ts
@@ -36,8 +36,10 @@ export class VideoBlacklistService {
                )
   }
 
-  blacklistVideo (videoId: number) {
-    return this.authHttp.post(VideoBlacklistService.BASE_VIDEOS_URL + videoId + '/blacklist', {})
+  blacklistVideo (videoId: number, reason?: string) {
+    const body = reason ? { reason } : {}
+
+    return this.authHttp.post(VideoBlacklistService.BASE_VIDEOS_URL + videoId + '/blacklist', body)
                .pipe(
                  map(this.restExtractor.extractDataBool),
                  catchError(res => this.restExtractor.handleError(res))
diff --git a/client/src/app/shared/video/video-details.model.ts b/client/src/app/shared/video/video-details.model.ts
index e500ad6fc..bdcc0bbba 100644
--- a/client/src/app/shared/video/video-details.model.ts
+++ b/client/src/app/shared/video/video-details.model.ts
@@ -44,7 +44,7 @@ export class VideoDetails extends Video implements VideoDetailsServerModel {
   }
 
   isBlackistableBy (user: AuthUser) {
-    return user && user.hasRight(UserRight.MANAGE_VIDEO_BLACKLIST) === true && this.isLocal === false
+    return user && user.hasRight(UserRight.MANAGE_VIDEO_BLACKLIST) === true
   }
 
   isUpdatableBy (user: AuthUser) {