3 files changed, 189 insertions, 0 deletions

diff --git a/server/lib/notifier/shared/comment/comment-mention.ts b/server/lib/notifier/shared/comment/comment-mention.ts
new file mode 100644
index 000000000..4f84d8dea
--- /dev/null
+++ b/server/lib/notifier/shared/comment/comment-mention.ts
@@ -0,0 +1,111 @@
+import { logger } from '@server/helpers/logger'
+import { toSafeHtml } from '@server/helpers/markdown'
+import { WEBSERVER } from '@server/initializers/constants'
+import { AccountBlocklistModel } from '@server/models/account/account-blocklist'
+import { getServerActor } from '@server/models/application/application'
+import { ServerBlocklistModel } from '@server/models/server/server-blocklist'
+import { UserModel } from '@server/models/user/user'
+import { UserNotificationModel } from '@server/models/user/user-notification'
+import {
+  MCommentOwnerVideo,
+  MUserDefault,
+  MUserNotifSettingAccount,
+  MUserWithNotificationSetting,
+  UserNotificationModelForApi
+} from '@server/types/models'
+import { UserNotificationSettingValue, UserNotificationType } from '@shared/models'
+import { AbstractNotification } from '../common'
+
+export class CommentMention extends AbstractNotification <MCommentOwnerVideo, MUserNotifSettingAccount> {
+  private users: MUserDefault[]
+
+  private serverAccountId: number
+
+  private accountMutedHash: { [ id: number ]: boolean }
+  private instanceMutedHash: { [ id: number ]: boolean }
+
+  async prepare () {
+    const extractedUsernames = this.payload.extractMentions()
+    logger.debug(
+      'Extracted %d username from comment %s.', extractedUsernames.length, this.payload.url,
+      { usernames: extractedUsernames, text: this.payload.text }
+    )
+
+    this.users = await UserModel.listByUsernames(extractedUsernames)
+
+    if (this.payload.Video.isOwned()) {
+      const userException = await UserModel.loadByVideoId(this.payload.videoId)
+      this.users = this.users.filter(u => u.id !== userException.id)
+    }
+
+    // Don't notify if I mentioned myself
+    this.users = this.users.filter(u => u.Account.id !== this.payload.accountId)
+
+    if (this.users.length === 0) return
+
+    this.serverAccountId = (await getServerActor()).Account.id
+
+    const sourceAccounts = this.users.map(u => u.Account.id).concat([ this.serverAccountId ])
+
+    this.accountMutedHash = await AccountBlocklistModel.isAccountMutedByMulti(sourceAccounts, this.payload.accountId)
+    this.instanceMutedHash = await ServerBlocklistModel.isServerMutedByMulti(sourceAccounts, this.payload.Account.Actor.serverId)
+  }
+
+  log () {
+    logger.info('Notifying %d users of new comment %s.', this.users.length, this.payload.url)
+  }
+
+  getSetting (user: MUserNotifSettingAccount) {
+    const accountId = user.Account.id
+    if (
+      this.accountMutedHash[accountId] === true || this.instanceMutedHash[accountId] === true ||
+      this.accountMutedHash[this.serverAccountId] === true || this.instanceMutedHash[this.serverAccountId] === true
+    ) {
+      return UserNotificationSettingValue.NONE
+    }
+
+    return user.NotificationSetting.commentMention
+  }
+
+  getTargetUsers () {
+    return this.users
+  }
+
+  async createNotification (user: MUserWithNotificationSetting) {
+    const notification = await UserNotificationModel.create<UserNotificationModelForApi>({
+      type: UserNotificationType.COMMENT_MENTION,
+      userId: user.id,
+      commentId: this.payload.id
+    })
+    notification.Comment = this.payload
+
+    return notification
+  }
+
+  createEmail (to: string) {
+    const comment = this.payload
+
+    const accountName = comment.Account.getDisplayName()
+    const video = comment.Video
+    const videoUrl = WEBSERVER.URL + comment.Video.getWatchStaticPath()
+    const commentUrl = WEBSERVER.URL + comment.getCommentStaticPath()
+    const commentHtml = toSafeHtml(comment.text)
+
+    return {
+      template: 'video-comment-mention',
+      to,
+      subject: 'Mention on video ' + video.name,
+      locals: {
+        comment,
+        commentHtml,
+        video,
+        videoUrl,
+        accountName,
+        action: {
+          text: 'View comment',
+          url: commentUrl
+        }
+      }
+    }
+  }
+}
diff --git a/server/lib/notifier/shared/comment/index.ts b/server/lib/notifier/shared/comment/index.ts
new file mode 100644
index 000000000..ae01a9646
--- /dev/null
+++ b/server/lib/notifier/shared/comment/index.ts
@@ -0,0 +1,2 @@
+export * from './comment-mention'
+export * from './new-comment-for-video-owner'
diff --git a/server/lib/notifier/shared/comment/new-comment-for-video-owner.ts b/server/lib/notifier/shared/comment/new-comment-for-video-owner.ts
new file mode 100644
index 000000000..b76fc15bf
--- /dev/null
+++ b/server/lib/notifier/shared/comment/new-comment-for-video-owner.ts
@@ -0,0 +1,76 @@
+import { logger } from '@server/helpers/logger'
+import { toSafeHtml } from '@server/helpers/markdown'
+import { WEBSERVER } from '@server/initializers/constants'
+import { isBlockedByServerOrAccount } from '@server/lib/blocklist'
+import { UserModel } from '@server/models/user/user'
+import { UserNotificationModel } from '@server/models/user/user-notification'
+import { MCommentOwnerVideo, MUserDefault, MUserWithNotificationSetting, UserNotificationModelForApi } from '@server/types/models'
+import { UserNotificationType } from '@shared/models'
+import { AbstractNotification } from '../common/abstract-notification'
+
+export class NewCommentForVideoOwner extends AbstractNotification <MCommentOwnerVideo> {
+  private user: MUserDefault
+
+  async prepare () {
+    this.user = await UserModel.loadByVideoId(this.payload.videoId)
+  }
+
+  log () {
+    logger.info('Notifying owner of a video %s of new comment %s.', this.user.username, this.payload.url)
+  }
+
+  isDisabled () {
+    if (this.payload.Video.isOwned() === false) return true
+
+    // Not our user or user comments its own video
+    if (!this.user || this.payload.Account.userId === this.user.id) return true
+
+    return isBlockedByServerOrAccount(this.payload.Account, this.user.Account)
+  }
+
+  getSetting (user: MUserWithNotificationSetting) {
+    return user.NotificationSetting.newCommentOnMyVideo
+  }
+
+  getTargetUsers () {
+    if (!this.user) return []
+
+    return [ this.user ]
+  }
+
+  async createNotification (user: MUserWithNotificationSetting) {
+    const notification = await UserNotificationModel.create<UserNotificationModelForApi>({
+      type: UserNotificationType.NEW_COMMENT_ON_MY_VIDEO,
+      userId: user.id,
+      commentId: this.payload.id
+    })
+    notification.Comment = this.payload
+
+    return notification
+  }
+
+  createEmail (to: string) {
+    const video = this.payload.Video
+    const videoUrl = WEBSERVER.URL + this.payload.Video.getWatchStaticPath()
+    const commentUrl = WEBSERVER.URL + this.payload.getCommentStaticPath()
+    const commentHtml = toSafeHtml(this.payload.text)
+
+    return {
+      template: 'video-comment-new',
+      to,
+      subject: 'New comment on your video ' + video.name,
+      locals: {
+        accountName: this.payload.Account.getDisplayName(),
+        accountUrl: this.payload.Account.Actor.url,
+        comment: this.payload,
+        commentHtml,
+        video,
+        videoUrl,
+        action: {
+          text: 'View comment',
+          url: commentUrl
+        }
+      }
+    }
+  }
+}