Implemented compatibility with Redmine 5+

Gemfile

@@ -1,3 +1,3 @@
-gem 'redmine_crm'
+gem 'redmineup'
 gem 'ya2yaml'
 gem 'awesome_nested_set'

app/controllers/articles_controller.rb

@@ -1,6 +1,4 @@
 class ArticlesController < ApplicationController
-  unloadable
-
   helper :attachments
   include AttachmentsHelper
   helper :knowledgebase
@@ -131,7 +129,7 @@ def edit
     @categories=@project.categories.all
 
     # @page is used when using redmine_wysiwyg_editor plugin to show added attachments in menu
-    @page = @article 
+    @page = @article
     # don't keep previous comment
     @article.version_comments = nil
     @article.version = params[:version]

app/controllers/categories_controller.rb

@@ -1,6 +1,4 @@
 class CategoriesController < ApplicationController
-  unloadable
-
   menu_item :articles
   helper :knowledgebase
   include KnowledgebaseHelper
@@ -9,7 +7,7 @@ class CategoriesController < ApplicationController
 
   before_action :find_project_by_project_id, :authorize
   before_action :get_category, :only => [:show, :edit, :update, :destroy, :index]
-  accept_rss_auth :show
+  Rails.version > '5.0' ? accept_atom_auth(:show) : accept_rss_auth(:show)
 
   rescue_from ActiveRecord::RecordNotFound, :with => :force_404
 

app/helpers/knowledgebase_helper.rb

@@ -2,7 +2,7 @@ module KnowledgebaseHelper
   include Redmine::Export::PDF
   include KnowledgebaseSettingsHelper
   include ActionView::Helpers::NumberHelper
-  include RedmineCrm::TagsHelper
+  include Redmineup::TagsHelper
 
   def format_article_summary(article, format, options = {})
     output = case format
@@ -189,4 +189,3 @@ def get_article_thumbnail_url_absolute( article )
 
 
 end
-

app/models/kb_article.rb

@@ -1,10 +1,6 @@
-require 'acts_as_viewed'
-require 'acts_as_rated'
-require 'acts_as_versioned'
-require 'diff'
+require Rails.version > '5.0' ? 'redmine/string_array_diff/diff' : 'diff'
 
-class KbArticle < ActiveRecord::Base
-  unloadable
+class KbArticle < ApplicationRecord
   include Redmine::SafeAttributes
 
   self.locking_column = 'version'
@@ -18,9 +14,9 @@ class KbArticle < ActiveRecord::Base
   belongs_to :author,   :class_name => 'User', :foreign_key => 'author_id'
   belongs_to :updater,  :class_name => 'User', :foreign_key => 'updater_id'
 
-  rcrm_acts_as_viewed
+  up_acts_as_viewed
   acts_as_rated :no_rater => true
-  rcrm_acts_as_taggable
+  up_acts_as_taggable
   acts_as_attachable
   acts_as_watchable
 

app/models/kb_category.rb

@@ -1,5 +1,4 @@
-class KbCategory < ActiveRecord::Base
-  unloadable
+class KbCategory < ApplicationRecord
   include Redmine::SafeAttributes
 
   self.table_name = "kb_categories"

app/models/kb_mailer.rb

@@ -1,6 +1,5 @@
 class KbMailer < Mailer
-
-  add_template_helper(KnowledgebaseHelper)
+  helper KnowledgebaseHelper
 
   def article_create(_user = User.current, article)
 	redmine_headers 'Project' => article.project.identifier

app/views/categories/index.html.erb

@@ -38,8 +38,7 @@
 
 
 <% other_formats_links do |f| %>
-  <%= f.link_to 'Atom', :url => { :key => User.current.rss_key } %>
+  <%= f.link_to 'Atom', :url => { :key => User.current.atom_key } %>
 <% end %>
 
 <% end %>
-

app/views/categories/show.html.erb

@@ -68,9 +68,8 @@
 
 
 <% other_formats_links do |f| %>
-  <%= f.link_to 'Atom', :url => { :key => User.current.rss_key } %>
+  <%= f.link_to 'Atom', :url => { :key => User.current.atom_key } %>
 <% end %>
 
 
 <% end %>
-

init.rb

@@ -1,12 +1,13 @@
 require 'redmine'
-require 'macros'
-require 'concerns/knowledgebase_project_extension'
-require 'helpers/knowledgebase_link_helper'
-require 'helpers/knowledgebase_settings_helper'
+
+if (Rails.configuration.respond_to?(:autoloader) && Rails.configuration.autoloader == :zeitwerk) || Rails.version > '7.0'
+  Rails.autoloaders.each { |loader| loader.ignore(File.dirname(__FILE__) + '/lib') }
+end
+require File.dirname(__FILE__) + '/lib/redmine_knowledgebase'
 
 Project.send :include, KnowledgebaseProjectExtension
 SettingsHelper.send :include, KnowledgebaseSettingsHelper
-ApplicationHelper.send :include, RedmineCrm::TagsHelper
+ApplicationHelper.send :include, Redmineup::TagsHelper
 
 Rails.configuration.to_prepare do
   Redmine::Activity.register :kb_articles

lib/acts_as_versioned.rb → lib/active_record/acts/versioned.rb

@@ -213,7 +213,7 @@ class << self
           end
 
           class_eval do
-            has_many :versions, version_association_options do
+            versions_block = Proc.new do ||
               # finds earliest version of this record
               def earliest
                 @earliest ||= order('version').first
@@ -224,6 +224,13 @@ def latest
                 @latest ||= order('version desc').first
               end
             end
+
+            if RUBY_VERSION >= '3.0'
+              has_many :versions, **version_association_options, &versions_block
+            else
+              has_many :versions, version_association_options, &versions_block
+            end
+
             before_save  :set_new_version
             after_create :save_version_on_create
             after_update :save_version