[Feature] Email collect message hooks (#331)

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

app/presenters/conversations/event_data_presenter.rb

@@ -1,37 +1,35 @@
-module Conversations
-  class EventDataPresenter < SimpleDelegator
-    def lock_data
-      { id: display_id, locked: locked? }
-    end
+class Conversations::EventDataPresenter < SimpleDelegator
+  def lock_data
+    { id: display_id, locked: locked? }
+  end
 
-    def push_data
-      {
-        id: display_id,
-        inbox_id: inbox_id,
-        messages: push_messages,
-        meta: push_meta,
-        status: status_before_type_cast.to_i,
-        unread_count: unread_incoming_messages.count,
-        **push_timestamps
-      }
-    end
+  def push_data
+    {
+      id: display_id,
+      inbox_id: inbox_id,
+      messages: push_messages,
+      meta: push_meta,
+      status: status_before_type_cast.to_i,
+      unread_count: unread_incoming_messages.count,
+      **push_timestamps
+    }
+  end
 
-    private
+  private
 
-    def push_messages
-      [messages.chat.last&.push_event_data].compact
-    end
+  def push_messages
+    [messages.chat.last&.push_event_data].compact
+  end
 
-    def push_meta
-      { sender: contact.push_event_data, assignee: assignee }
-    end
+  def push_meta
+    { sender: contact.push_event_data, assignee: assignee }
+  end
 
-    def push_timestamps
-      {
-        agent_last_seen_at: agent_last_seen_at.to_i,
-        user_last_seen_at: user_last_seen_at.to_i,
-        timestamp: created_at.to_i
-      }
-    end
+  def push_timestamps
+    {
+      agent_last_seen_at: agent_last_seen_at.to_i,
+      user_last_seen_at: user_last_seen_at.to_i,
+      timestamp: created_at.to_i
+    }
   end
 end