[Feature] Email collect message hooks (#331)

- Add email collect hook on creating conversation
- Merge contact if it already exist

lib/integrations/widget/incoming_message_builder.rb

@@ -1,61 +1,57 @@
 # frozen_string_literal: true
 
-module Integrations
-  module Widget
-    class Integrations::Widget::IncomingMessageBuilder
-      #  params = {
-      #   contact_id: 1,
-      #   inbox_id: 1,
-      #   content: "Hello world"
-      # }
+class Integrations::Widget::IncomingMessageBuilder
+  #  params = {
+  #   contact_id: 1,
+  #   inbox_id: 1,
+  #   content: "Hello world"
+  # }
 
-      attr_accessor :options, :message
+  attr_accessor :options, :message
 
-      def initialize(options)
-        @options = options
-      end
+  def initialize(options)
+    @options = options
+  end
 
-      def perform
-        ActiveRecord::Base.transaction do
-          build_message
-        end
-      end
-
-      private
-
-      def inbox
-        @inbox ||= Inbox.find(options[:inbox_id])
-      end
-
-      def contact
-        @contact ||= Contact.find(options[:contact_id])
-      end
-
-      def conversation
-        @conversation ||= Conversation.find_by(conversation_params) || Conversation.create!(conversation_params)
-      end
-
-      def build_message
-        @message = conversation.messages.new(message_params)
-        @message.save!
-      end
-
-      def conversation_params
-        {
-          account_id: inbox.account_id,
-          inbox_id: inbox.id,
-          contact_id: options[:contact_id]
-        }
-      end
-
-      def message_params
-        {
-          account_id: conversation.account_id,
-          inbox_id: conversation.inbox_id,
-          message_type: 0,
-          content: options[:content]
-        }
-      end
+  def perform
+    ActiveRecord::Base.transaction do
+      build_message
     end
   end
+
+  private
+
+  def inbox
+    @inbox ||= Inbox.find(options[:inbox_id])
+  end
+
+  def contact
+    @contact ||= Contact.find(options[:contact_id])
+  end
+
+  def conversation
+    @conversation ||= Conversation.find_by(conversation_params) || Conversation.create!(conversation_params)
+  end
+
+  def build_message
+    @message = conversation.messages.new(message_params)
+    @message.save!
+  end
+
+  def conversation_params
+    {
+      account_id: inbox.account_id,
+      inbox_id: inbox.id,
+      contact_id: options[:contact_id]
+    }
+  end
+
+  def message_params
+    {
+      account_id: conversation.account_id,
+      inbox_id: conversation.inbox_id,
+      message_type: 0,
+      content: options[:content]
+    }
+  end
 end