Initial Commit

Co-authored-by: Subin <subinthattaparambil@gmail.com>
Co-authored-by: Manoj <manojmj92@gmail.com>
Co-authored-by: Nithin <webofnithin@gmail.com>

app/controllers/api/v1/facebook_indicators_controller.rb

@@ -0,0 +1,44 @@
+class Api::V1::FacebookIndicatorsController < Api::BaseController
+
+  before_action :set_access_token
+  around_filter :handle_with_exception
+
+  def mark_seen
+    Facebook::Messenger::Bot.deliver(payload('mark_seen'), access_token: @access_token)
+    head :ok
+  end
+
+  def typing_on
+    Facebook::Messenger::Bot.deliver(payload('typing_on'), access_token: @access_token)
+    head :ok
+  end
+
+  def typing_off
+    Facebook::Messenger::Bot.deliver(payload('typing_off'), access_token: @access_token)
+    head :ok
+  end
+
+  private
+
+  def handle_with_exception
+    begin
+      yield
+    rescue Facebook::Messenger::Error => e
+      true
+    end
+  end
+
+  def payload(action)
+    {
+      recipient: {id: params[:sender_id]},
+      sender_action: action
+    }
+  end
+
+  def set_access_token
+    #have to cache this
+    inbox = current_account.inboxes.find(params[:inbox_id])
+    @access_token = inbox.channel.page_access_token
+  end
+
+end