Bug: Fix duplicate messages from Twitter DM and tweets (#599)

* Bug: Fix duplicate messages from Twitter DM and tweets

app/services/twitter/tweet_parser_service.rb

@@ -3,16 +3,9 @@ class Twitter::TweetParserService < Twitter::WebhooksBaseService
 
   def perform
     set_inbox
-    find_or_create_contact(user)
-    set_conversation
-    @conversation.messages.create(
-      account_id: @inbox.account_id,
-      contact_id: @contact.id,
-      content: tweet_text,
-      inbox_id: @inbox.id,
-      message_type: message_type,
-      source_id: tweet_data['id'].to_s
-    )
+    return if message_already_exist?
+
+    create_message
   end
 
   private
@@ -37,6 +30,10 @@ class Twitter::TweetParserService < Twitter::WebhooksBaseService
     tweet_data['user']
   end
 
+  def tweet_id
+    tweet_data['id'].to_s
+  end
+
   def parent_tweet_id
     tweet_data['in_reply_to_status_id_str'].nil? ? tweet_data['id'].to_s : tweet_data['in_reply_to_status_id_str']
   end
@@ -66,4 +63,21 @@ class Twitter::TweetParserService < Twitter::WebhooksBaseService
 
     @conversation = ::Conversation.create!(conversation_params)
   end
+
+  def message_already_exist?
+    @inbox.messages.find_by(source_id: tweet_id)
+  end
+
+  def create_message
+    find_or_create_contact(user)
+    set_conversation
+    @conversation.messages.create(
+      account_id: @inbox.account_id,
+      contact_id: @contact.id,
+      content: tweet_text,
+      inbox_id: @inbox.id,
+      message_type: message_type,
+      source_id: tweet_id
+    )
+  end
 end