feat: Add Contacts page (#1335)

Co-authored-by: Sojan <sojan@pepalo.com>
Co-authored-by: Pranav Raj Sreepuram <pranavrajs@gmail.com>

app/controllers/api/v1/accounts/agents_controller.rb

@@ -64,6 +64,6 @@ class Api::V1::Accounts::AgentsController < Api::V1::Accounts::BaseController
   end
 
   def agents
-    @agents ||= Current.account.users.order_by_full_name
+    @agents ||= Current.account.users.order_by_full_name.includes({ avatar_attachment: [:blob] })
   end
 end

app/controllers/api/v1/accounts/contacts_controller.rb

@@ -1,17 +1,32 @@
 class Api::V1::Accounts::ContactsController < Api::V1::Accounts::BaseController
+  RESULTS_PER_PAGE = 15
   protect_from_forgery with: :null_session
 
   before_action :check_authorization
+  before_action :set_current_page, only: [:index, :active, :search]
   before_action :fetch_contact, only: [:show, :update]
 
   def index
-    @contacts = Current.account.contacts
+    contacts = Current.account.contacts.where.not(email: [nil, '']).or(Current.account.contacts.where.not(phone_number: [nil, '']))
+    @contacts_count = contacts.count
+    @contacts = fetch_contact_last_seen_at(contacts)
+  end
+
+  def search
+    render json: { error: 'Specify search string with parameter q' }, status: :unprocessable_entity if params[:q].blank? && return
+
+    contacts = Current.account.contacts.where.not(email: [nil, '']).or(Current.account.contacts.where.not(phone_number: [nil, '']))
+                      .where('name LIKE :search OR email LIKE :search', search: "%#{params[:q]}%")
+    @contacts_count = contacts.count
+    @contacts = fetch_contact_last_seen_at(contacts)
   end
 
   # returns online contacts
   def active
-    @contacts = Current.account.contacts.where(id: ::OnlineStatusTracker
+    contacts = Current.account.contacts.where(id: ::OnlineStatusTracker
                   .get_available_contact_ids(Current.account.id))
+    @contacts_count = contacts.count
+    @contacts = contacts.page(@current_page)
   end
 
   def show; end
@@ -36,13 +51,19 @@ class Api::V1::Accounts::ContactsController < Api::V1::Accounts::BaseController
     }, status: :unprocessable_entity
   end
 
-  def search
-    render json: { error: 'Specify search string with parameter q' }, status: :unprocessable_entity if params[:q].blank? && return
+  private
 
-    @contacts = Current.account.contacts.where('name LIKE :search OR email LIKE :search', search: "%#{params[:q]}%")
+  def set_current_page
+    @current_page = params[:page] || 1
   end
 
-  private
+  def fetch_contact_last_seen_at(contacts)
+    contacts.left_outer_joins(:conversations)
+            .select('contacts.*, COUNT(conversations.id) as conversations_count, MAX(conversations.contact_last_seen_at) as last_seen_at')
+            .group('contacts.id')
+            .includes([{ avatar_attachment: [:blob] }, { contact_inboxes: [:inbox] }])
+            .page(@current_page).per(RESULTS_PER_PAGE)
+  end
 
   def build_contact_inbox
     return if params[:inbox_id].blank?

app/controllers/api/v1/accounts/inboxes_controller.rb

@@ -4,7 +4,7 @@ class Api::V1::Accounts::InboxesController < Api::V1::Accounts::BaseController
   before_action :check_authorization
 
   def index
-    @inboxes = policy_scope(Current.account.inboxes.order_by_name.includes(:channel, :avatar_attachment))
+    @inboxes = policy_scope(Current.account.inboxes.order_by_name.includes(:channel, { avatar_attachment: [:blob] }))
   end
 
   def create