Patch integration cleanups

init.rb

@@ -1,7 +1,5 @@
 raise "\n\033[31mredmine_messenger requires ruby 2.3 or newer. Please update your ruby version.\033[0m" if RUBY_VERSION < '2.3'
 
-require_dependency 'redmine_messenger'
-
 Redmine::Plugin.register :redmine_messenger do
   name 'Redmine Messenger'
   author 'AlphaNodes GmbH'
@@ -41,12 +39,6 @@ Redmine::Plugin.register :redmine_messenger do
   }, partial: 'settings/messenger_settings'
 end
 
-begin
-  if ActiveRecord::Base.connection.table_exists?(Setting.table_name)
-    Rails.configuration.to_prepare do
-      RedmineMessenger.setup
-    end
-  end
-rescue ActiveRecord::NoDatabaseError
-  Rails.logger.error 'database not created yet'
+Rails.configuration.to_prepare do
+  RedmineMessenger.setup
 end

lib/redmine_messenger/patches/contact_patch.rb

@@ -2,7 +2,7 @@ module RedmineMessenger
   module Patches
     module ContactPatch
       def self.included(base)
-        base.send(:include, InstanceMethods)
+        base.include InstanceMethods
         base.class_eval do
           after_create_commit :send_messenger_create
           after_update_commit :send_messenger_update

lib/redmine_messenger/patches/db_entry_patch.rb

@@ -2,7 +2,7 @@ module RedmineMessenger
   module Patches
     module DbEntryPatch
       def self.included(base)
-        base.send(:include, InstanceMethods)
+        base.include InstanceMethods
         base.class_eval do
           after_create_commit :send_messenger_create
           after_update_commit :send_messenger_update

lib/redmine_messenger/patches/issue_patch.rb

@@ -2,7 +2,7 @@ module RedmineMessenger
   module Patches
     module IssuePatch
       def self.included(base)
-        base.send(:include, InstanceMethods)
+        base.include InstanceMethods
         base.class_eval do
           after_create_commit :send_messenger_create
           after_update_commit :send_messenger_update

lib/redmine_messenger/patches/password_patch.rb

@@ -2,7 +2,7 @@ module RedmineMessenger
   module Patches
     module PasswordPatch
       def self.included(base)
-        base.send(:include, InstanceMethods)
+        base.include InstanceMethods
         base.class_eval do
           after_create_commit :send_messenger_create
           after_update_commit :send_messenger_update

lib/redmine_messenger/patches/wiki_page_patch.rb

@@ -2,7 +2,7 @@ module RedmineMessenger
   module Patches
     module WikiPagePatch
       def self.included(base)
-        base.send(:include, InstanceMethods)
+        base.include InstanceMethods
         base.class_eval do
           after_create_commit :send_messenger_create
           after_update_commit :send_messenger_update