19 files changed, 510 insertions, 48 deletions

diff --git a/client/src/app/shared/shared-abuse-list/abuse-list-table.component.html b/client/src/app/shared/shared-abuse-list/abuse-list-table.component.html
index a6f707a47..17b3742d6 100644
--- a/client/src/app/shared/shared-abuse-list/abuse-list-table.component.html
+++ b/client/src/app/shared/shared-abuse-list/abuse-list-table.component.html
@@ -16,11 +16,11 @@
 
             <div role="menu" ngbDropdownMenu>
               <h6 class="dropdown-header" i18n>Advanced report filters</h6>
-              <a [routerLink]="[ '/admin/moderation/abuses/list' ]" [queryParams]="{ 'search': 'state:pending' }" class="dropdown-item" i18n>Unsolved reports</a>
-              <a [routerLink]="[ '/admin/moderation/abuses/list' ]" [queryParams]="{ 'search': 'state:accepted' }" class="dropdown-item" i18n>Accepted reports</a>
-              <a [routerLink]="[ '/admin/moderation/abuses/list' ]" [queryParams]="{ 'search': 'state:rejected' }" class="dropdown-item" i18n>Refused reports</a>
-              <a [routerLink]="[ '/admin/moderation/abuses/list' ]" [queryParams]="{ 'search': 'videoIs:blacklisted' }" class="dropdown-item" i18n>Reports with blocked videos</a>
-              <a [routerLink]="[ '/admin/moderation/abuses/list' ]" [queryParams]="{ 'search': 'videoIs:deleted' }" class="dropdown-item" i18n>Reports with deleted videos</a>
+              <a [routerLink]="[ baseRoute ]" [queryParams]="{ 'search': 'state:pending' }" class="dropdown-item" i18n>Unsolved reports</a>
+              <a [routerLink]="[ baseRoute ]" [queryParams]="{ 'search': 'state:accepted' }" class="dropdown-item" i18n>Accepted reports</a>
+              <a [routerLink]="[ baseRoute ]" [queryParams]="{ 'search': 'state:rejected' }" class="dropdown-item" i18n>Refused reports</a>
+              <a [routerLink]="[ baseRoute ]" [queryParams]="{ 'search': 'videoIs:blacklisted' }" class="dropdown-item" i18n>Reports with blocked videos</a>
+              <a [routerLink]="[ baseRoute ]" [queryParams]="{ 'search': 'videoIs:deleted' }" class="dropdown-item" i18n>Reports with deleted videos</a>
             </div>
           </div>
           <input
diff --git a/server/controllers/api/abuse.ts b/server/controllers/api/abuse.ts
index 72e62fc0b..03e6be8c8 100644
--- a/server/controllers/api/abuse.ts
+++ b/server/controllers/api/abuse.ts
@@ -25,6 +25,8 @@ import {
   setDefaultSort
 } from '../../middlewares'
 import { AccountModel } from '../../models/account/account'
+import { Notifier } from '@server/lib/notifier'
+import { logger } from '@server/helpers/logger'
 
 const abuseRouter = express.Router()
 
@@ -123,19 +125,28 @@ async function listAbusesForAdmins (req: express.Request, res: express.Response)
 
 async function updateAbuse (req: express.Request, res: express.Response) {
   const abuse = res.locals.abuse
+  let stateUpdated = false
 
   if (req.body.moderationComment !== undefined) abuse.moderationComment = req.body.moderationComment
-  if (req.body.state !== undefined) abuse.state = req.body.state
+
+  if (req.body.state !== undefined) {
+    abuse.state = req.body.state
+    stateUpdated = true
+  }
 
   await sequelizeTypescript.transaction(t => {
     return abuse.save({ transaction: t })
   })
 
-  // TODO: Notification
+  if (stateUpdated === true) {
+    AbuseModel.loadFull(abuse.id)
+      .then(abuseFull => Notifier.Instance.notifyOnAbuseStateChange(abuseFull))
+      .catch(err => logger.error('Cannot notify on abuse state change', { err }))
+  }
 
   // Do not send the delete to other instances, we updated OUR copy of this abuse
 
-  return res.type('json').status(204).end()
+  return res.sendStatus(204)
 }
 
 async function deleteAbuse (req: express.Request, res: express.Response) {
@@ -147,7 +158,7 @@ async function deleteAbuse (req: express.Request, res: express.Response) {
 
   // Do not send the delete to other instances, we delete OUR copy of this abuse
 
-  return res.type('json').status(204).end()
+  return res.sendStatus(204)
 }
 
 async function reportAbuse (req: express.Request, res: express.Response) {
@@ -219,7 +230,9 @@ async function addAbuseMessage (req: express.Request, res: express.Response) {
     abuseId: abuse.id
   })
 
-  // TODO: Notification
+  AbuseModel.loadFull(abuse.id)
+    .then(abuseFull => Notifier.Instance.notifyOnAbuseMessage(abuseFull, abuseMessage))
+    .catch(err => logger.error('Cannot notify on new abuse message', { err }))
 
   return res.json({
     abuseMessage: {
diff --git a/server/controllers/api/users/my-notifications.ts b/server/controllers/api/users/my-notifications.ts
index 0be51c128..050866960 100644
--- a/server/controllers/api/users/my-notifications.ts
+++ b/server/controllers/api/users/my-notifications.ts
@@ -77,7 +77,9 @@ async function updateNotificationSettings (req: express.Request, res: express.Re
     newUserRegistration: body.newUserRegistration,
     commentMention: body.commentMention,
     newInstanceFollower: body.newInstanceFollower,
-    autoInstanceFollowing: body.autoInstanceFollowing
+    autoInstanceFollowing: body.autoInstanceFollowing,
+    abuseNewMessage: body.abuseNewMessage,
+    abuseStateChange: body.abuseStateChange
   }
 
   await UserNotificationSettingModel.update(values, query)
diff --git a/server/lib/emailer.ts b/server/lib/emailer.ts
index c6ad03328..9c49aa2f6 100644
--- a/server/lib/emailer.ts
+++ b/server/lib/emailer.ts
@@ -5,13 +5,13 @@ import { join } from 'path'
 import { VideoChannelModel } from '@server/models/video/video-channel'
 import { MVideoBlacklistLightVideo, MVideoBlacklistVideo } from '@server/types/models/video/video-blacklist'
 import { MVideoImport, MVideoImportVideo } from '@server/types/models/video/video-import'
-import { UserAbuse, EmailPayload } from '@shared/models'
+import { AbuseState, EmailPayload, UserAbuse } from '@shared/models'
 import { SendEmailOptions } from '../../shared/models/server/emailer.model'
 import { isTestInstance, root } from '../helpers/core-utils'
 import { bunyanLogger, logger } from '../helpers/logger'
 import { CONFIG, isEmailEnabled } from '../initializers/config'
 import { WEBSERVER } from '../initializers/constants'
-import { MAbuseFull, MActorFollowActors, MActorFollowFull, MUser } from '../types/models'
+import { MAbuseFull, MAbuseMessage, MActorFollowActors, MActorFollowFull, MUser } from '../types/models'
 import { MCommentOwnerVideo, MVideo, MVideoAccountLight } from '../types/models/video'
 import { JobQueue } from './job-queue'
 
@@ -357,6 +357,55 @@ class Emailer {
     return JobQueue.Instance.createJob({ type: 'email', payload: emailPayload })
   }
 
+  addAbuseStateChangeNotification (to: string[], abuse: MAbuseFull) {
+    const text = abuse.state === AbuseState.ACCEPTED
+      ? 'Report #' + abuse.id + ' has been accepted'
+      : 'Report #' + abuse.id + ' has been rejected'
+
+    const action = {
+      text,
+      url: WEBSERVER.URL + '/my-account/abuses?search=%23' + abuse.id
+    }
+
+    const emailPayload: EmailPayload = {
+      template: 'abuse-state-change',
+      to,
+      subject: text,
+      locals: {
+        action,
+        abuseId: abuse.id,
+        isAccepted: abuse.state === AbuseState.ACCEPTED
+      }
+    }
+
+    return JobQueue.Instance.createJob({ type: 'email', payload: emailPayload })
+  }
+
+  addAbuseNewMessageNotification (to: string[], options: { target: 'moderator' | 'reporter', abuse: MAbuseFull, message: MAbuseMessage }) {
+    const { abuse, target, message } = options
+
+    const text = 'New message on abuse #' + abuse.id
+    const action = {
+      text,
+      url: target === 'moderator'
+        ? WEBSERVER.URL + '/admin/moderation/abuses/list?search=%23' + abuse.id
+        : WEBSERVER.URL + '/my-account/abuses?search=%23' + abuse.id
+    }
+
+    const emailPayload: EmailPayload = {
+      template: 'abuse-new-message',
+      to,
+      subject: text,
+      locals: {
+        abuseUrl: action.url,
+        messageText: message.message,
+        action
+      }
+    }
+
+    return JobQueue.Instance.createJob({ type: 'email', payload: emailPayload })
+  }
+
   async addVideoAutoBlacklistModeratorsNotification (to: string[], videoBlacklist: MVideoBlacklistLightVideo) {
     const VIDEO_AUTO_BLACKLIST_URL = WEBSERVER.URL + '/admin/moderation/video-auto-blacklist/list'
     const videoUrl = WEBSERVER.URL + videoBlacklist.Video.getWatchStaticPath()
diff --git a/server/lib/emails/abuse-new-message/html.pug b/server/lib/emails/abuse-new-message/html.pug
new file mode 100644
index 000000000..a4180aba1
--- /dev/null
+++ b/server/lib/emails/abuse-new-message/html.pug
@@ -0,0 +1,11 @@
+extends ../common/greetings
+include ../common/mixins.pug
+
+block title
+  | New abuse message
+
+block content
+  p
+    | A new message was created on #[a(href=WEBSERVER.URL) abuse ##{abuseId} on #{WEBSERVER.HOST}]
+  blockquote #{messageText}
+  br(style="display: none;")
diff --git a/server/lib/emails/abuse-state-change/html.pug b/server/lib/emails/abuse-state-change/html.pug
new file mode 100644
index 000000000..a94c8521d
--- /dev/null
+++ b/server/lib/emails/abuse-state-change/html.pug
@@ -0,0 +1,9 @@
+extends ../common/greetings
+include ../common/mixins.pug
+
+block title
+  | Abuse state changed
+
+block content
+  p
+    | #[a(href=abuseUrl) Your abuse ##{abuseId} on #{WEBSERVER.HOST}] has been #{isAccepted ? 'accepted' : 'rejected'}
diff --git a/server/lib/notifier.ts b/server/lib/notifier.ts
index 8f165d2fd..5c50fcf01 100644
--- a/server/lib/notifier.ts
+++ b/server/lib/notifier.ts
@@ -1,3 +1,4 @@
+import { AbuseMessageModel } from '@server/models/abuse/abuse-message'
 import { getServerActor } from '@server/models/application/application'
 import { ServerBlocklistModel } from '@server/models/server/server-blocklist'
 import {
@@ -18,7 +19,7 @@ import { CONFIG } from '../initializers/config'
 import { AccountBlocklistModel } from '../models/account/account-blocklist'
 import { UserModel } from '../models/account/user'
 import { UserNotificationModel } from '../models/account/user-notification'
-import { MAbuseFull, MAccountServer, MActorFollowFull } from '../types/models'
+import { MAbuseFull, MAbuseMessage, MAccountServer, MActorFollowFull } from '../types/models'
 import { MCommentOwnerVideo, MVideoAccountLight, MVideoFullLight } from '../types/models/video'
 import { isBlockedByServerOrAccount } from './blocklist'
 import { Emailer } from './emailer'
@@ -129,6 +130,20 @@ class Notifier {
         })
   }
 
+  notifyOnAbuseStateChange (abuse: MAbuseFull): void {
+    this.notifyReporterOfAbuseStateChange(abuse)
+      .catch(err => {
+        logger.error('Cannot notify reporter of abuse %d state change.', abuse.id, { err })
+      })
+  }
+
+  notifyOnAbuseMessage (abuse: MAbuseFull, message: AbuseMessageModel): void {
+    this.notifyOfNewAbuseMessage(abuse, message)
+      .catch(err => {
+        logger.error('Cannot notify on new abuse %d message.', abuse.id, { err })
+      })
+  }
+
   private async notifySubscribersOfNewVideo (video: MVideoAccountLight) {
     // List all followers that are users
     const users = await UserModel.listUserSubscribersOf(video.VideoChannel.actorId)
@@ -359,9 +374,7 @@ class Notifier {
     const moderators = await UserModel.listWithRight(UserRight.MANAGE_ABUSES)
     if (moderators.length === 0) return
 
-    const url = abuseInstance.VideoAbuse?.Video?.url ||
-                abuseInstance.VideoCommentAbuse?.VideoComment?.url ||
-                abuseInstance.FlaggedAccount.Actor.url
+    const url = this.getAbuseUrl(abuseInstance)
 
     logger.info('Notifying %s user/moderators of new abuse %s.', moderators.length, url)
 
@@ -387,6 +400,97 @@ class Notifier {
     return this.notify({ users: moderators, settingGetter, notificationCreator, emailSender })
   }
 
+  private async notifyReporterOfAbuseStateChange (abuse: MAbuseFull) {
+    // Only notify our users
+    if (abuse.ReporterAccount.isOwned() !== true) return
+
+    const url = this.getAbuseUrl(abuse)
+
+    logger.info('Notifying reporter of abuse % of state change.', url)
+
+    const reporter = await UserModel.loadByAccountActorId(abuse.ReporterAccount.actorId)
+
+    function settingGetter (user: MUserWithNotificationSetting) {
+      return user.NotificationSetting.abuseStateChange
+    }
+
+    async function notificationCreator (user: MUserWithNotificationSetting) {
+      const notification = await UserNotificationModel.create<UserNotificationModelForApi>({
+        type: UserNotificationType.ABUSE_STATE_CHANGE,
+        userId: user.id,
+        abuseId: abuse.id
+      })
+      notification.Abuse = abuse
+
+      return notification
+    }
+
+    function emailSender (emails: string[]) {
+      return Emailer.Instance.addAbuseStateChangeNotification(emails, abuse)
+    }
+
+    return this.notify({ users: [ reporter ], settingGetter, notificationCreator, emailSender })
+  }
+
+  private async notifyOfNewAbuseMessage (abuse: MAbuseFull, message: MAbuseMessage) {
+    const url = this.getAbuseUrl(abuse)
+    logger.info('Notifying reporter and moderators of new abuse message on %s.', url)
+
+    function settingGetter (user: MUserWithNotificationSetting) {
+      return user.NotificationSetting.abuseNewMessage
+    }
+
+    async function notificationCreator (user: MUserWithNotificationSetting) {
+      const notification = await UserNotificationModel.create<UserNotificationModelForApi>({
+        type: UserNotificationType.ABUSE_NEW_MESSAGE,
+        userId: user.id,
+        abuseId: abuse.id
+      })
+      notification.Abuse = abuse
+
+      return notification
+    }
+
+    function emailSenderReporter (emails: string[]) {
+      return Emailer.Instance.addAbuseNewMessageNotification(emails, { target: 'reporter', abuse, message })
+    }
+
+    function emailSenderModerators (emails: string[]) {
+      return Emailer.Instance.addAbuseNewMessageNotification(emails, { target: 'moderator', abuse, message })
+    }
+
+    async function buildReporterOptions () {
+      // Only notify our users
+      if (abuse.ReporterAccount.isOwned() !== true) return
+
+      const reporter = await UserModel.loadByAccountActorId(abuse.ReporterAccount.actorId)
+      // Don't notify my own message
+      if (reporter.Account.id === message.accountId) return
+
+      return { users: [ reporter ], settingGetter, notificationCreator, emailSender: emailSenderReporter }
+    }
+
+    async function buildModeratorsOptions () {
+      let moderators = await UserModel.listWithRight(UserRight.MANAGE_ABUSES)
+      // Don't notify my own message
+      moderators = moderators.filter(m => m.Account.id !== message.accountId)
+
+      if (moderators.length === 0) return
+
+      return { users: moderators, settingGetter, notificationCreator, emailSender: emailSenderModerators }
+    }
+
+    const [ reporterOptions, moderatorsOptions ] = await Promise.all([
+      buildReporterOptions(),
+      buildModeratorsOptions()
+    ])
+
+    return Promise.all([
+      this.notify(reporterOptions),
+      this.notify(moderatorsOptions)
+    ])
+  }
+
   private async notifyModeratorsOfVideoAutoBlacklist (videoBlacklist: MVideoBlacklistLightVideo) {
     const moderators = await UserModel.listWithRight(UserRight.MANAGE_VIDEO_BLACKLIST)
     if (moderators.length === 0) return
@@ -599,6 +703,12 @@ class Notifier {
     return isBlockedByServerOrAccount(targetAccount, user?.Account)
   }
 
+  private getAbuseUrl (abuse: MAbuseFull) {
+    return abuse.VideoAbuse?.Video?.url ||
+      abuse.VideoCommentAbuse?.VideoComment?.url ||
+      abuse.FlaggedAccount.Actor.url
+  }
+
   static get Instance () {
     return this.instance || (this.instance = new this())
   }
diff --git a/server/lib/user.ts b/server/lib/user.ts
index 6e7a738ee..aa14f0b54 100644
--- a/server/lib/user.ts
+++ b/server/lib/user.ts
@@ -141,6 +141,8 @@ function createDefaultUserNotificationSettings (user: MUserId, t: Transaction |
     commentMention: UserNotificationSettingValue.WEB,
     newFollow: UserNotificationSettingValue.WEB,
     newInstanceFollower: UserNotificationSettingValue.WEB,
+    abuseNewMessage: UserNotificationSettingValue.WEB | UserNotificationSettingValue.EMAIL,
+    abuseStateChange: UserNotificationSettingValue.WEB | UserNotificationSettingValue.EMAIL,
     autoInstanceFollowing: UserNotificationSettingValue.WEB
   }
 
diff --git a/server/models/abuse/abuse.ts b/server/models/abuse/abuse.ts
index 3353e9e41..1b599db62 100644
--- a/server/models/abuse/abuse.ts
+++ b/server/models/abuse/abuse.ts
@@ -32,14 +32,14 @@ import {
   UserVideoAbuse
 } from '@shared/models'
 import { ABUSE_STATES, CONSTRAINTS_FIELDS } from '../../initializers/constants'
-import { MAbuse, MAbuseAdminFormattable, MAbuseAP, MAbuseReporter, MAbuseUserFormattable, MUserAccountId } from '../../types/models'
+import { MAbuseAdminFormattable, MAbuseAP, MAbuseFull, MAbuseReporter, MAbuseUserFormattable, MUserAccountId } from '../../types/models'
 import { AccountModel, ScopeNames as AccountScopeNames, SummaryOptions as AccountSummaryOptions } from '../account/account'
 import { getSort, throwIfNotValid } from '../utils'
 import { ThumbnailModel } from '../video/thumbnail'
-import { VideoModel } from '../video/video'
+import { ScopeNames as VideoScopeNames, VideoModel } from '../video/video'
 import { VideoBlacklistModel } from '../video/video-blacklist'
 import { ScopeNames as VideoChannelScopeNames, SummaryOptions as ChannelSummaryOptions, VideoChannelModel } from '../video/video-channel'
-import { VideoCommentModel } from '../video/video-comment'
+import { ScopeNames as CommentScopeNames, VideoCommentModel } from '../video/video-comment'
 import { buildAbuseListQuery, BuildAbusesQueryOptions } from './abuse-query-builder'
 import { VideoAbuseModel } from './video-abuse'
 import { VideoCommentAbuseModel } from './video-comment-abuse'
@@ -307,6 +307,52 @@ export class AbuseModel extends Model<AbuseModel> {
     return AbuseModel.findOne(query)
   }
 
+  static loadFull (id: number): Bluebird<MAbuseFull> {
+    const query = {
+      where: {
+        id
+      },
+      include: [
+        {
+          model: AccountModel.scope(AccountScopeNames.SUMMARY),
+          required: false,
+          as: 'ReporterAccount'
+        },
+        {
+          model: AccountModel.scope(AccountScopeNames.SUMMARY),
+          as: 'FlaggedAccount'
+        },
+        {
+          model: VideoAbuseModel,
+          required: false,
+          include: [
+            {
+              model: VideoModel.scope([ VideoScopeNames.WITH_ACCOUNT_DETAILS ])
+            }
+          ]
+        },
+        {
+          model: VideoCommentAbuseModel,
+          required: false,
+          include: [
+            {
+              model: VideoCommentModel.scope([
+                CommentScopeNames.WITH_ACCOUNT
+              ]),
+              include: [
+                {
+                  model: VideoModel
+                }
+              ]
+            }
+          ]
+        }
+      ]
+    }
+
+    return AbuseModel.findOne(query)
+  }
+
   static async listForAdminApi (parameters: {
     start: number
     count: number
@@ -455,7 +501,7 @@ export class AbuseModel extends Model<AbuseModel> {
       blacklisted: abuseModel.Video?.isBlacklisted() || false,
       thumbnailPath: abuseModel.Video?.getMiniatureStaticPath(),
 
-      channel: abuseModel.Video?.VideoChannel.toFormattedJSON() || abuseModel.deletedVideo?.channel,
+      channel: abuseModel.Video?.VideoChannel.toFormattedJSON() || abuseModel.deletedVideo?.channel
     }
   }
 
diff --git a/server/models/account/user-notification-setting.ts b/server/models/account/user-notification-setting.ts
index d8f3f13da..acc192d53 100644
--- a/server/models/account/user-notification-setting.ts
+++ b/server/models/account/user-notification-setting.ts
@@ -12,12 +12,12 @@ import {
   Table,
   UpdatedAt
 } from 'sequelize-typescript'
-import { throwIfNotValid } from '../utils'
-import { UserModel } from './user'
-import { isUserNotificationSettingValid } from '../../helpers/custom-validators/user-notifications'
+import { MNotificationSettingFormattable } from '@server/types/models'
 import { UserNotificationSetting, UserNotificationSettingValue } from '../../../shared/models/users/user-notification-setting.model'
+import { isUserNotificationSettingValid } from '../../helpers/custom-validators/user-notifications'
 import { clearCacheByUserId } from '../../lib/oauth-model'
-import { MNotificationSettingFormattable } from '@server/types/models'
+import { throwIfNotValid } from '../utils'
+import { UserModel } from './user'
 
 @Table({
   tableName: 'userNotificationSetting',
@@ -138,6 +138,24 @@ export class UserNotificationSettingModel extends Model<UserNotificationSettingM
   @Column
   commentMention: UserNotificationSettingValue
 
+  @AllowNull(false)
+  @Default(null)
+  @Is(
+    'UserNotificationSettingAbuseStateChange',
+    value => throwIfNotValid(value, isUserNotificationSettingValid, 'abuseStateChange')
+  )
+  @Column
+  abuseStateChange: UserNotificationSettingValue
+
+  @AllowNull(false)
+  @Default(null)
+  @Is(
+    'UserNotificationSettingAbuseNewMessage',
+    value => throwIfNotValid(value, isUserNotificationSettingValid, 'abuseNewMessage')
+  )
+  @Column
+  abuseNewMessage: UserNotificationSettingValue
+
   @ForeignKey(() => UserModel)
   @Column
   userId: number
@@ -175,7 +193,9 @@ export class UserNotificationSettingModel extends Model<UserNotificationSettingM
       commentMention: this.commentMention,
       newFollow: this.newFollow,
       newInstanceFollower: this.newInstanceFollower,
-      autoInstanceFollowing: this.autoInstanceFollowing
+      autoInstanceFollowing: this.autoInstanceFollowing,
+      abuseNewMessage: this.abuseNewMessage,
+      abuseStateChange: this.abuseStateChange
     }
   }
 }
diff --git a/server/models/account/user-notification.ts b/server/models/account/user-notification.ts
index 2945bf709..bd89b8973 100644
--- a/server/models/account/user-notification.ts
+++ b/server/models/account/user-notification.ts
@@ -88,7 +88,7 @@ function buildAccountInclude (required: boolean, withActor = false) {
       },
 
       {
-        attributes: [ 'id' ],
+        attributes: [ 'id', 'state' ],
         model: AbuseModel.unscoped(),
         required: false,
         include: [
@@ -504,6 +504,7 @@ export class UserNotificationModel extends Model<UserNotificationModel> {
 
     return {
       id: abuse.id,
+      state: abuse.state,
       video: videoAbuse,
       comment: commentAbuse,
       account: accountAbuse
diff --git a/server/models/video/video-comment.ts b/server/models/video/video-comment.ts
index 75b914b8c..1d5c7280d 100644
--- a/server/models/video/video-comment.ts
+++ b/server/models/video/video-comment.ts
@@ -44,7 +44,7 @@ import { buildBlockedAccountSQL, buildLocalAccountIdsIn, getCommentSort, throwIf
 import { VideoModel } from './video'
 import { VideoChannelModel } from './video-channel'
 
-enum ScopeNames {
+export enum ScopeNames {
   WITH_ACCOUNT = 'WITH_ACCOUNT',
   WITH_ACCOUNT_FOR_API = 'WITH_ACCOUNT_FOR_API',
   WITH_IN_REPLY_TO = 'WITH_IN_REPLY_TO',
diff --git a/server/tests/api/check-params/user-notifications.ts b/server/tests/api/check-params/user-notifications.ts
index 883b1d29c..c6384677e 100644
--- a/server/tests/api/check-params/user-notifications.ts
+++ b/server/tests/api/check-params/user-notifications.ts
@@ -173,7 +173,9 @@ describe('Test user notifications API validators', function () {
       newFollow: UserNotificationSettingValue.WEB,
       newUserRegistration: UserNotificationSettingValue.WEB,
       newInstanceFollower: UserNotificationSettingValue.WEB,
-      autoInstanceFollowing: UserNotificationSettingValue.WEB
+      autoInstanceFollowing: UserNotificationSettingValue.WEB,
+      abuseNewMessage: UserNotificationSettingValue.WEB,
+      abuseStateChange: UserNotificationSettingValue.WEB
     }
 
     it('Should fail with missing fields', async function () {
diff --git a/server/tests/api/notifications/moderation-notifications.ts b/server/tests/api/notifications/moderation-notifications.ts
index 9faaacb91..721a445ab 100644
--- a/server/tests/api/notifications/moderation-notifications.ts
+++ b/server/tests/api/notifications/moderation-notifications.ts
@@ -2,6 +2,7 @@
 
 import 'mocha'
 import { v4 as uuidv4 } from 'uuid'
+
 import {
   addVideoCommentThread,
   addVideoToBlacklist,
@@ -21,7 +22,9 @@ import {
   unfollow,
   updateCustomConfig,
   updateCustomSubConfig,
-  wait
+  wait,
+  updateAbuse,
+  addAbuseMessage
 } from '../../../../shared/extra-utils'
 import { ServerInfo, uploadVideo } from '../../../../shared/extra-utils/index'
 import { MockSmtpServer } from '../../../../shared/extra-utils/miscs/email'
@@ -38,12 +41,15 @@ import {
   checkUserRegistered,
   checkVideoAutoBlacklistForModerators,
   checkVideoIsPublished,
-  prepareNotificationsTest
+  prepareNotificationsTest,
+  checkAbuseStateChange,
+  checkNewAbuseMessage
 } from '../../../../shared/extra-utils/users/user-notifications'
 import { addUserSubscription, removeUserSubscription } from '../../../../shared/extra-utils/users/user-subscriptions'
 import { CustomConfig } from '../../../../shared/models/server'
 import { UserNotification } from '../../../../shared/models/users'
 import { VideoPrivacy } from '../../../../shared/models/videos'
+import { AbuseState } from '@shared/models'
 
 describe('Test moderation notifications', function () {
   let servers: ServerInfo[] = []
@@ -65,7 +71,7 @@ describe('Test moderation notifications', function () {
     adminNotificationsServer2 = res.adminNotificationsServer2
   })
 
-  describe('Video abuse for moderators notification', function () {
+  describe('Abuse for moderators notification', function () {
     let baseParams: CheckerBaseParams
 
     before(() => {
@@ -169,6 +175,122 @@ describe('Test moderation notifications', function () {
     })
   })
 
+  describe('Abuse state change notification', function () {
+    let baseParams: CheckerBaseParams
+    let abuseId: number
+
+    before(async function () {
+      baseParams = {
+        server: servers[0],
+        emails,
+        socketNotifications: userNotifications,
+        token: userAccessToken
+      }
+
+      const name = 'abuse ' + uuidv4()
+      const resVideo = await uploadVideo(servers[0].url, userAccessToken, { name })
+      const video = resVideo.body.video
+
+      const res = await reportAbuse({ url: servers[0].url, token: userAccessToken, videoId: video.id, reason: 'super reason' })
+      abuseId = res.body.abuse.id
+    })
+
+    it('Should send a notification to reporter if the abuse has been accepted', async function () {
+      this.timeout(10000)
+
+      await updateAbuse(servers[0].url, servers[0].accessToken, abuseId, { state: AbuseState.ACCEPTED })
+      await waitJobs(servers)
+
+      await checkAbuseStateChange(baseParams, abuseId, AbuseState.ACCEPTED, 'presence')
+    })
+
+    it('Should send a notification to reporter if the abuse has been rejected', async function () {
+      this.timeout(10000)
+
+      await updateAbuse(servers[0].url, servers[0].accessToken, abuseId, { state: AbuseState.REJECTED })
+      await waitJobs(servers)
+
+      await checkAbuseStateChange(baseParams, abuseId, AbuseState.REJECTED, 'presence')
+    })
+  })
+
+  describe('New abuse message notification', function () {
+    let baseParamsUser: CheckerBaseParams
+    let baseParamsAdmin: CheckerBaseParams
+    let abuseId: number
+    let abuseId2: number
+
+    before(async function () {
+      baseParamsUser = {
+        server: servers[0],
+        emails,
+        socketNotifications: userNotifications,
+        token: userAccessToken
+      }
+
+      baseParamsAdmin = {
+        server: servers[0],
+        emails,
+        socketNotifications: adminNotifications,
+        token: servers[0].accessToken
+      }
+
+      const name = 'abuse ' + uuidv4()
+      const resVideo = await uploadVideo(servers[0].url, userAccessToken, { name })
+      const video = resVideo.body.video
+
+      {
+        const res = await reportAbuse({ url: servers[0].url, token: userAccessToken, videoId: video.id, reason: 'super reason' })
+        abuseId = res.body.abuse.id
+      }
+
+      {
+        const res = await reportAbuse({ url: servers[0].url, token: userAccessToken, videoId: video.id, reason: 'super reason 2' })
+        abuseId2 = res.body.abuse.id
+      }
+    })
+
+    it('Should send a notification to reporter on new message', async function () {
+      this.timeout(10000)
+
+      const message = 'my super message to users'
+      await addAbuseMessage(servers[0].url, servers[0].accessToken, abuseId, message)
+      await waitJobs(servers)
+
+      await checkNewAbuseMessage(baseParamsUser, abuseId, message, 'user_1@example.com', 'presence')
+    })
+
+    it('Should not send a notification to the admin if sent by the admin', async function () {
+      this.timeout(10000)
+
+      const message = 'my super message that should not be sent to the admin'
+      await addAbuseMessage(servers[0].url, servers[0].accessToken, abuseId, message)
+      await waitJobs(servers)
+
+      await checkNewAbuseMessage(baseParamsAdmin, abuseId, message, 'admin1@example.com', 'absence')
+    })
+
+    it('Should send a notification to moderators', async function () {
+      this.timeout(10000)
+
+      const message = 'my super message to moderators'
+      await addAbuseMessage(servers[0].url, userAccessToken, abuseId2, message)
+      await waitJobs(servers)
+
+      await checkNewAbuseMessage(baseParamsAdmin, abuseId2, message, 'admin1@example.com', 'presence')
+    })
+
+    it('Should not send a notification to reporter if sent by the reporter', async function () {
+      this.timeout(10000)
+
+      const message = 'my super message that should not be sent to reporter'
+      await addAbuseMessage(servers[0].url, userAccessToken, abuseId2, message)
+      await waitJobs(servers)
+
+      await checkNewAbuseMessage(baseParamsUser, abuseId2, message, 'user_1@example.com', 'absence')
+    })
+  })
+
   describe('Video blacklist on my video', function () {
     let baseParams: CheckerBaseParams
 
diff --git a/server/types/models/moderation/abuse.ts b/server/types/models/moderation/abuse.ts
index d793a720f..5409dfd6b 100644
--- a/server/types/models/moderation/abuse.ts
+++ b/server/types/models/moderation/abuse.ts
@@ -5,6 +5,7 @@ import { AbuseModel } from '../../../models/abuse/abuse'
 import { MAccountDefault, MAccountFormattable, MAccountLight, MAccountUrl, MAccount } from '../account'
 import { MCommentOwner, MCommentUrl, MVideoUrl, MCommentOwnerVideo, MComment, MCommentVideo } from '../video'
 import { MVideo, MVideoAccountLightBlacklistAllFiles } from '../video/video'
+import { VideoCommentModel } from '@server/models/video/video-comment'
 
 type Use<K extends keyof AbuseModel, M> = PickWith<AbuseModel, K, M>
 type UseVideoAbuse<K extends keyof VideoAbuseModel, M> = PickWith<VideoAbuseModel, K, M>
@@ -34,7 +35,7 @@ export type MVideoAbuseVideoUrl =
 
 export type MVideoAbuseVideoFull =
   MVideoAbuse &
-  UseVideoAbuse<'Video', MVideoAccountLightBlacklistAllFiles>
+  UseVideoAbuse<'Video', Omit<MVideoAccountLightBlacklistAllFiles, 'VideoFiles' | 'VideoStreamingPlaylists'>>
 
 export type MVideoAbuseFormattable =
   MVideoAbuse &
@@ -49,7 +50,7 @@ export type MCommentAbuseAccount =
 
 export type MCommentAbuseAccountVideo =
   MCommentAbuse &
-  UseCommentAbuse<'VideoComment', MCommentOwnerVideo>
+  UseCommentAbuse<'VideoComment', MCommentOwner & PickWith<VideoCommentModel, 'Video', MVideo>>
 
 export type MCommentAbuseUrl =
   MCommentAbuse &
@@ -79,14 +80,6 @@ export type MAbuseAccountVideo =
   Use<'VideoAbuse', MVideoAbuseVideoFull> &
   Use<'ReporterAccount', MAccountDefault>
 
-export type MAbuseAP =
-  MAbuse &
-  Pick<AbuseModel, 'toActivityPubObject'> &
-  Use<'ReporterAccount', MAccountUrl> &
-  Use<'FlaggedAccount', MAccountUrl> &
-  Use<'VideoAbuse', MVideoAbuseVideo> &
-  Use<'VideoCommentAbuse', MCommentAbuseAccount>
-
 export type MAbuseFull =
   MAbuse &
   Pick<AbuseModel, 'toActivityPubObject'> &
@@ -111,3 +104,11 @@ export type MAbuseUserFormattable =
   Use<'FlaggedAccount', MAccountFormattable> &
   Use<'VideoAbuse', MVideoAbuseFormattable> &
   Use<'VideoCommentAbuse', MCommentAbuseFormattable>
+
+export type MAbuseAP =
+  MAbuse &
+  Pick<AbuseModel, 'toActivityPubObject'> &
+  Use<'ReporterAccount', MAccountUrl> &
+  Use<'FlaggedAccount', MAccountUrl> &
+  Use<'VideoAbuse', MVideoAbuseVideo> &
+  Use<'VideoCommentAbuse', MCommentAbuseAccount>
diff --git a/server/types/models/user/user-notification.ts b/server/types/models/user/user-notification.ts
index f59eb7260..58764a748 100644
--- a/server/types/models/user/user-notification.ts
+++ b/server/types/models/user/user-notification.ts
@@ -56,7 +56,7 @@ export module UserNotificationIncludes {
     PickWith<VideoCommentModel, 'Video', Pick<VideoModel, 'id' | 'name' | 'uuid'>>>
 
   export type AbuseInclude =
-    Pick<AbuseModel, 'id'> &
+    Pick<AbuseModel, 'id' | 'state'> &
     PickWith<AbuseModel, 'VideoAbuse', VideoAbuseInclude> &
     PickWith<AbuseModel, 'VideoCommentAbuse', VideoCommentAbuseInclude> &
     PickWith<AbuseModel, 'FlaggedAccount', AccountIncludeActor>
diff --git a/shared/extra-utils/users/user-notifications.ts b/shared/extra-utils/users/user-notifications.ts
index 2061e3353..98d222e1d 100644
--- a/shared/extra-utils/users/user-notifications.ts
+++ b/shared/extra-utils/users/user-notifications.ts
@@ -2,6 +2,7 @@
 
 import { expect } from 'chai'
 import { inspect } from 'util'
+import { AbuseState } from '@shared/models'
 import { UserNotification, UserNotificationSetting, UserNotificationSettingValue, UserNotificationType } from '../../models/users'
 import { MockSmtpServer } from '../miscs/email'
 import { makeGetRequest, makePostBodyRequest, makePutBodyRequest } from '../requests/requests'
@@ -464,6 +465,62 @@ async function checkNewVideoAbuseForModerators (base: CheckerBaseParams, videoUU
   await checkNotification(base, notificationChecker, emailNotificationFinder, type)
 }
 
+async function checkNewAbuseMessage (base: CheckerBaseParams, abuseId: number, message: string, toEmail: string, type: CheckerType) {
+  const notificationType = UserNotificationType.ABUSE_NEW_MESSAGE
+
+  function notificationChecker (notification: UserNotification, type: CheckerType) {
+    if (type === 'presence') {
+      expect(notification).to.not.be.undefined
+      expect(notification.type).to.equal(notificationType)
+
+      expect(notification.abuse.id).to.equal(abuseId)
+    } else {
+      expect(notification).to.satisfy((n: UserNotification) => {
+        return n === undefined || n.type !== notificationType || n.abuse === undefined || n.abuse.id !== abuseId
+      })
+    }
+  }
+
+  function emailNotificationFinder (email: object) {
+    const text = email['text']
+    const to = email['to'].filter(t => t.address === toEmail)
+
+    return text.indexOf(message) !== -1 && to.length !== 0
+  }
+
+  await checkNotification(base, notificationChecker, emailNotificationFinder, type)
+}
+
+async function checkAbuseStateChange (base: CheckerBaseParams, abuseId: number, state: AbuseState, type: CheckerType) {
+  const notificationType = UserNotificationType.ABUSE_STATE_CHANGE
+
+  function notificationChecker (notification: UserNotification, type: CheckerType) {
+    if (type === 'presence') {
+      expect(notification).to.not.be.undefined
+      expect(notification.type).to.equal(notificationType)
+
+      expect(notification.abuse.id).to.equal(abuseId)
+      expect(notification.abuse.state).to.equal(state)
+    } else {
+      expect(notification).to.satisfy((n: UserNotification) => {
+        return n === undefined || n.abuse === undefined || n.abuse.id !== abuseId
+      })
+    }
+  }
+
+  function emailNotificationFinder (email: object) {
+    const text = email['text']
+
+    const contains = state === AbuseState.ACCEPTED
+      ? ' accepted'
+      : ' rejected'
+
+    return text.indexOf(contains) !== -1
+  }
+
+  await checkNotification(base, notificationChecker, emailNotificationFinder, type)
+}
+
 async function checkNewCommentAbuseForModerators (base: CheckerBaseParams, videoUUID: string, videoName: string, type: CheckerType) {
   const notificationType = UserNotificationType.NEW_ABUSE_FOR_MODERATORS
 
@@ -579,6 +636,8 @@ function getAllNotificationsSettings () {
     newFollow: UserNotificationSettingValue.WEB | UserNotificationSettingValue.EMAIL,
     newUserRegistration: UserNotificationSettingValue.WEB | UserNotificationSettingValue.EMAIL,
     newInstanceFollower: UserNotificationSettingValue.WEB | UserNotificationSettingValue.EMAIL,
+    abuseNewMessage: UserNotificationSettingValue.WEB | UserNotificationSettingValue.EMAIL,
+    abuseStateChange: UserNotificationSettingValue.WEB | UserNotificationSettingValue.EMAIL,
     autoInstanceFollowing: UserNotificationSettingValue.WEB | UserNotificationSettingValue.EMAIL
   } as UserNotificationSetting
 }
@@ -676,6 +735,8 @@ export {
   updateMyNotificationSettings,
   checkNewVideoAbuseForModerators,
   checkVideoAutoBlacklistForModerators,
+  checkNewAbuseMessage,
+  checkAbuseStateChange,
   getUserNotifications,
   markAsReadNotifications,
   getLastNotification,
diff --git a/shared/models/users/user-notification-setting.model.ts b/shared/models/users/user-notification-setting.model.ts
index 4e2230a76..c7590fa8a 100644
--- a/shared/models/users/user-notification-setting.model.ts
+++ b/shared/models/users/user-notification-setting.model.ts
@@ -5,16 +5,23 @@ export enum UserNotificationSettingValue {
 }
 
 export interface UserNotificationSetting {
-  newVideoFromSubscription: UserNotificationSettingValue
-  newCommentOnMyVideo: UserNotificationSettingValue
   abuseAsModerator: UserNotificationSettingValue
   videoAutoBlacklistAsModerator: UserNotificationSettingValue
+  newUserRegistration: UserNotificationSettingValue
+
+  newVideoFromSubscription: UserNotificationSettingValue
+
   blacklistOnMyVideo: UserNotificationSettingValue
   myVideoPublished: UserNotificationSettingValue
   myVideoImportFinished: UserNotificationSettingValue
-  newUserRegistration: UserNotificationSettingValue
-  newFollow: UserNotificationSettingValue
+
   commentMention: UserNotificationSettingValue
+  newCommentOnMyVideo: UserNotificationSettingValue
+
+  newFollow: UserNotificationSettingValue
   newInstanceFollower: UserNotificationSettingValue
   autoInstanceFollowing: UserNotificationSettingValue
+
+  abuseStateChange: UserNotificationSettingValue
+  abuseNewMessage: UserNotificationSettingValue
 }
diff --git a/shared/models/users/user-notification.model.ts b/shared/models/users/user-notification.model.ts
index 5f7c33976..e2f2234e4 100644
--- a/shared/models/users/user-notification.model.ts
+++ b/shared/models/users/user-notification.model.ts
@@ -1,4 +1,5 @@
 import { FollowState } from '../actors'
+import { AbuseState } from '../moderation'
 
 export enum UserNotificationType {
   NEW_VIDEO_FROM_SUBSCRIPTION = 1,
@@ -21,7 +22,11 @@ export enum UserNotificationType {
 
   NEW_INSTANCE_FOLLOWER = 13,
 
-  AUTO_INSTANCE_FOLLOWING = 14
+  AUTO_INSTANCE_FOLLOWING = 14,
+
+  ABUSE_STATE_CHANGE = 15,
+
+  ABUSE_NEW_MESSAGE = 16
 }
 
 export interface VideoInfo {
@@ -66,6 +71,7 @@ export interface UserNotification {
 
   abuse?: {
     id: number
+    state: AbuseState
 
     video?: VideoInfo