feat: Add a view for mentions (#3505)

- Added a new table mentions for saving user mentions
- Added a filter conversation_type in the API
- Added a view to see the mentions

app/models/account.rb

@@ -35,37 +35,38 @@ class Account < ApplicationRecord
   has_many :account_users, dependent: :destroy_async
   has_many :agent_bot_inboxes, dependent: :destroy_async
   has_many :agent_bots, dependent: :destroy_async
-  has_many :csat_survey_responses, dependent: :destroy_async
-  has_many :data_imports, dependent: :destroy_async
-  has_many :users, through: :account_users
-  has_many :inboxes, dependent: :destroy_async
-  has_many :notes, dependent: :destroy_async
+  has_many :api_channels, dependent: :destroy_async, class_name: '::Channel::Api'
   has_many :campaigns, dependent: :destroy_async
-  has_many :conversations, dependent: :destroy_async
-  has_many :messages, dependent: :destroy_async
+  has_many :canned_responses, dependent: :destroy_async
   has_many :contacts, dependent: :destroy_async
+  has_many :conversations, dependent: :destroy_async
+  has_many :csat_survey_responses, dependent: :destroy_async
+  has_many :custom_attribute_definitions, dependent: :destroy_async
+  has_many :custom_filters, dependent: :destroy_async
+  has_many :data_imports, dependent: :destroy_async
+  has_many :email_channels, dependent: :destroy_async, class_name: '::Channel::Email'
   has_many :facebook_pages, dependent: :destroy_async, class_name: '::Channel::FacebookPage'
+  has_many :hooks, dependent: :destroy_async, class_name: 'Integrations::Hook'
+  has_many :inboxes, dependent: :destroy_async
+  has_many :kbase_articles, dependent: :destroy_async, class_name: '::Kbase::Article'
+  has_many :kbase_categories, dependent: :destroy_async, class_name: '::Kbase::Category'
+  has_many :kbase_portals, dependent: :destroy_async, class_name: '::Kbase::Portal'
+  has_many :labels, dependent: :destroy_async
+  has_many :line_channels, dependent: :destroy_async, class_name: '::Channel::Line'
+  has_many :mentions, dependent: :destroy_async
+  has_many :messages, dependent: :destroy_async
+  has_many :notes, dependent: :destroy_async
+  has_many :notification_settings, dependent: :destroy_async
+  has_many :teams, dependent: :destroy_async
   has_many :telegram_bots, dependent: :destroy_async
+  has_many :telegram_channels, dependent: :destroy_async, class_name: '::Channel::Telegram'
   has_many :twilio_sms, dependent: :destroy_async, class_name: '::Channel::TwilioSms'
   has_many :twitter_profiles, dependent: :destroy_async, class_name: '::Channel::TwitterProfile'
+  has_many :users, through: :account_users
   has_many :web_widgets, dependent: :destroy_async, class_name: '::Channel::WebWidget'
-  has_many :email_channels, dependent: :destroy_async, class_name: '::Channel::Email'
-  has_many :api_channels, dependent: :destroy_async, class_name: '::Channel::Api'
-  has_many :line_channels, dependent: :destroy_async, class_name: '::Channel::Line'
-  has_many :telegram_channels, dependent: :destroy_async, class_name: '::Channel::Telegram'
-  has_many :whatsapp_channels, dependent: :destroy_async, class_name: '::Channel::Whatsapp'
-  has_many :canned_responses, dependent: :destroy_async
   has_many :webhooks, dependent: :destroy_async
-  has_many :labels, dependent: :destroy_async
-  has_many :notification_settings, dependent: :destroy_async
-  has_many :hooks, dependent: :destroy_async, class_name: 'Integrations::Hook'
+  has_many :whatsapp_channels, dependent: :destroy_async, class_name: '::Channel::Whatsapp'
   has_many :working_hours, dependent: :destroy_async
-  has_many :kbase_portals, dependent: :destroy_async, class_name: '::Kbase::Portal'
-  has_many :kbase_categories, dependent: :destroy_async, class_name: '::Kbase::Category'
-  has_many :kbase_articles, dependent: :destroy_async, class_name: '::Kbase::Article'
-  has_many :teams, dependent: :destroy_async
-  has_many :custom_filters, dependent: :destroy_async
-  has_many :custom_attribute_definitions, dependent: :destroy_async
 
   has_flags ACCOUNT_SETTINGS_FLAGS.merge(column: 'settings_flags').merge(DEFAULT_QUERY_SETTING)
 

app/models/conversation.rb

@@ -71,6 +71,7 @@ class Conversation < ApplicationRecord
   belongs_to :team, optional: true
   belongs_to :campaign, optional: true
 
+  has_many :mentions, dependent: :destroy_async
   has_many :messages, dependent: :destroy_async, autosave: true
   has_one :csat_survey_response, dependent: :destroy_async
   has_many :notifications, as: :primary_actor, dependent: :destroy

app/models/mention.rb

@@ -0,0 +1,50 @@
+# == Schema Information
+#
+# Table name: mentions
+#
+#  id              :bigint           not null, primary key
+#  mentioned_at    :datetime         not null
+#  created_at      :datetime         not null
+#  updated_at      :datetime         not null
+#  account_id      :bigint           not null
+#  conversation_id :bigint           not null
+#  user_id         :bigint           not null
+#
+# Indexes
+#
+#  index_mentions_on_account_id                   (account_id)
+#  index_mentions_on_conversation_id              (conversation_id)
+#  index_mentions_on_user_id                      (user_id)
+#  index_mentions_on_user_id_and_conversation_id  (user_id,conversation_id) UNIQUE
+#
+# Foreign Keys
+#
+#  fk_rails_...  (conversation_id => conversations.id)
+#  fk_rails_...  (user_id => users.id)
+#
+class Mention < ApplicationRecord
+  before_validation :ensure_account_id
+  validates :mentioned_at, presence: true
+  validates :account_id, presence: true
+  validates :conversation_id, presence: true
+  validates :user_id, presence: true
+  validates :user, uniqueness: { scope: :conversation }
+
+  belongs_to :account
+  belongs_to :conversation
+  belongs_to :user
+
+  after_commit :notify_mentioned_user
+
+  scope :latest, -> { order(mentioned_at: :desc) }
+
+  private
+
+  def ensure_account_id
+    self.account_id = conversation&.account_id
+  end
+
+  def notify_mentioned_user
+    Rails.configuration.dispatcher.dispatch(CONVERSATION_MENTIONED, Time.zone.now, user: user, conversation: conversation)
+  end
+end

app/models/user.rb

@@ -80,13 +80,14 @@ class User < ApplicationRecord
   has_many :messages, as: :sender
   has_many :invitees, through: :account_users, class_name: 'User', foreign_key: 'inviter_id', source: :inviter, dependent: :nullify
 
-  has_many :notifications, dependent: :destroy_async
+  has_many :custom_filters, dependent: :destroy_async
+  has_many :mentions, dependent: :destroy_async
+  has_many :notes, dependent: :nullify
   has_many :notification_settings, dependent: :destroy_async
   has_many :notification_subscriptions, dependent: :destroy_async
+  has_many :notifications, dependent: :destroy_async
   has_many :team_members, dependent: :destroy_async
   has_many :teams, through: :team_members
-  has_many :notes, dependent: :nullify
-  has_many :custom_filters, dependent: :destroy_async
 
   before_validation :set_password_and_uid, on: :create