477 lines
18 KiB
Ruby
477 lines
18 KiB
Ruby
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# Redmine - project management software
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# Copyright (C) 2006-2013 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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module Redmine #:nodoc:
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class PluginNotFound < StandardError; end
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class PluginRequirementError < StandardError; end
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# Base class for Redmine plugins.
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# Plugins are registered using the <tt>register</tt> class method that acts as the public constructor.
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#
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# Redmine::Plugin.register :example do
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# name 'Example plugin'
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# author 'John Smith'
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# description 'This is an example plugin for Redmine'
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# version '0.0.1'
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# settings :default => {'foo'=>'bar'}, :partial => 'settings/settings'
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# end
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#
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# === Plugin attributes
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#
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# +settings+ is an optional attribute that let the plugin be configurable.
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# It must be a hash with the following keys:
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# * <tt>:default</tt>: default value for the plugin settings
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# * <tt>:partial</tt>: path of the configuration partial view, relative to the plugin <tt>app/views</tt> directory
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# Example:
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# settings :default => {'foo'=>'bar'}, :partial => 'settings/settings'
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# In this example, the settings partial will be found here in the plugin directory: <tt>app/views/settings/_settings.rhtml</tt>.
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#
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# When rendered, the plugin settings value is available as the local variable +settings+
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class Plugin
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cattr_accessor :directory
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self.directory = File.join(Rails.root, 'plugins')
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cattr_accessor :public_directory
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self.public_directory = File.join(Rails.root, 'public', 'plugin_assets')
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@registered_plugins = {}
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class << self
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attr_reader :registered_plugins
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private :new
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def def_field(*names)
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class_eval do
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names.each do |name|
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define_method(name) do |*args|
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args.empty? ? instance_variable_get("@#{name}") : instance_variable_set("@#{name}", *args)
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end
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end
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end
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end
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end
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def_field :name, :description, :url, :author, :author_url, :version, :settings
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attr_reader :id
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# Plugin constructor
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def self.register(id, &block)
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p = new(id)
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p.instance_eval(&block)
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# Set a default name if it was not provided during registration
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p.name(id.to_s.humanize) if p.name.nil?
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# Adds plugin locales if any
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# YAML translation files should be found under <plugin>/config/locales/
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::I18n.load_path += Dir.glob(File.join(p.directory, 'config', 'locales', '*.yml'))
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# Prepends the app/views directory of the plugin to the view path
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view_path = File.join(p.directory, 'app', 'views')
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if File.directory?(view_path)
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ActionController::Base.prepend_view_path(view_path)
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ActionMailer::Base.prepend_view_path(view_path)
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end
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# Adds the app/{controllers,helpers,models} directories of the plugin to the autoload path
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Dir.glob File.expand_path(File.join(p.directory, 'app', '{controllers,helpers,models}')) do |dir|
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ActiveSupport::Dependencies.autoload_paths += [dir]
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end
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registered_plugins[id] = p
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end
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# Returns an array of all registered plugins
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def self.all
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registered_plugins.values.sort
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end
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# Finds a plugin by its id
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# Returns a PluginNotFound exception if the plugin doesn't exist
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def self.find(id)
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registered_plugins[id.to_sym] || raise(PluginNotFound)
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end
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# Clears the registered plugins hash
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# It doesn't unload installed plugins
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def self.clear
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@registered_plugins = {}
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end
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# Checks if a plugin is installed
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#
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# @param [String] id name of the plugin
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def self.installed?(id)
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registered_plugins[id.to_sym].present?
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end
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def self.load
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Dir.glob(File.join(self.directory, '*')).sort.each do |directory|
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if File.directory?(directory)
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lib = File.join(directory, "lib")
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if File.directory?(lib)
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$:.unshift lib
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ActiveSupport::Dependencies.autoload_paths += [lib]
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end
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initializer = File.join(directory, "init.rb")
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if File.file?(initializer)
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require initializer
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end
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end
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end
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end
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def initialize(id)
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@id = id.to_sym
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end
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def directory
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File.join(self.class.directory, id.to_s)
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end
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def public_directory
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File.join(self.class.public_directory, id.to_s)
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end
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def to_param
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id
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end
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def assets_directory
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File.join(directory, 'assets')
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end
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def <=>(plugin)
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self.id.to_s <=> plugin.id.to_s
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end
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# Sets a requirement on Redmine version
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# Raises a PluginRequirementError exception if the requirement is not met
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#
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# Examples
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# # Requires Redmine 0.7.3 or higher
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# requires_redmine :version_or_higher => '0.7.3'
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# requires_redmine '0.7.3'
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#
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# # Requires Redmine 0.7.x or higher
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# requires_redmine '0.7'
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#
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# # Requires a specific Redmine version
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# requires_redmine :version => '0.7.3' # 0.7.3 only
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# requires_redmine :version => '0.7' # 0.7.x
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# requires_redmine :version => ['0.7.3', '0.8.0'] # 0.7.3 or 0.8.0
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#
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# # Requires a Redmine version within a range
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# requires_redmine :version => '0.7.3'..'0.9.1' # >= 0.7.3 and <= 0.9.1
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# requires_redmine :version => '0.7'..'0.9' # >= 0.7.x and <= 0.9.x
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def requires_redmine(arg)
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arg = { :version_or_higher => arg } unless arg.is_a?(Hash)
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arg.assert_valid_keys(:version, :version_or_higher)
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current = Redmine::VERSION.to_a
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arg.each do |k, req|
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case k
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when :version_or_higher
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raise ArgumentError.new(":version_or_higher accepts a version string only") unless req.is_a?(String)
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unless compare_versions(req, current) <= 0
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raise PluginRequirementError.new("#{id} plugin requires Redmine #{req} or higher but current is #{current.join('.')}")
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end
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when :version
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req = [req] if req.is_a?(String)
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if req.is_a?(Array)
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unless req.detect {|ver| compare_versions(ver, current) == 0}
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raise PluginRequirementError.new("#{id} plugin requires one the following Redmine versions: #{req.join(', ')} but current is #{current.join('.')}")
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end
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elsif req.is_a?(Range)
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unless compare_versions(req.first, current) <= 0 && compare_versions(req.last, current) >= 0
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raise PluginRequirementError.new("#{id} plugin requires a Redmine version between #{req.first} and #{req.last} but current is #{current.join('.')}")
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end
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else
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raise ArgumentError.new(":version option accepts a version string, an array or a range of versions")
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end
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end
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end
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true
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end
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def compare_versions(requirement, current)
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requirement = requirement.split('.').collect(&:to_i)
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requirement <=> current.slice(0, requirement.size)
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end
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private :compare_versions
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# Sets a requirement on a Redmine plugin version
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# Raises a PluginRequirementError exception if the requirement is not met
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#
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# Examples
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# # Requires a plugin named :foo version 0.7.3 or higher
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# requires_redmine_plugin :foo, :version_or_higher => '0.7.3'
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# requires_redmine_plugin :foo, '0.7.3'
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#
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# # Requires a specific version of a Redmine plugin
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# requires_redmine_plugin :foo, :version => '0.7.3' # 0.7.3 only
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# requires_redmine_plugin :foo, :version => ['0.7.3', '0.8.0'] # 0.7.3 or 0.8.0
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def requires_redmine_plugin(plugin_name, arg)
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arg = { :version_or_higher => arg } unless arg.is_a?(Hash)
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arg.assert_valid_keys(:version, :version_or_higher)
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plugin = Plugin.find(plugin_name)
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current = plugin.version.split('.').collect(&:to_i)
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arg.each do |k, v|
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v = [] << v unless v.is_a?(Array)
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versions = v.collect {|s| s.split('.').collect(&:to_i)}
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case k
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when :version_or_higher
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raise ArgumentError.new("wrong number of versions (#{versions.size} for 1)") unless versions.size == 1
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unless (current <=> versions.first) >= 0
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raise PluginRequirementError.new("#{id} plugin requires the #{plugin_name} plugin #{v} or higher but current is #{current.join('.')}")
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end
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when :version
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unless versions.include?(current.slice(0,3))
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raise PluginRequirementError.new("#{id} plugin requires one the following versions of #{plugin_name}: #{v.join(', ')} but current is #{current.join('.')}")
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end
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end
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end
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true
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end
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# Adds an item to the given +menu+.
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# The +id+ parameter (equals to the project id) is automatically added to the url.
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# menu :project_menu, :plugin_example, { :controller => 'example', :action => 'say_hello' }, :caption => 'Sample'
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#
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# +name+ parameter can be: :top_menu, :account_menu, :application_menu or :project_menu
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#
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def menu(menu, item, url, options={})
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Redmine::MenuManager.map(menu).push(item, url, options)
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end
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alias :add_menu_item :menu
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# Removes +item+ from the given +menu+.
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def delete_menu_item(menu, item)
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Redmine::MenuManager.map(menu).delete(item)
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end
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# Defines a permission called +name+ for the given +actions+.
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#
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# The +actions+ argument is a hash with controllers as keys and actions as values (a single value or an array):
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# permission :destroy_contacts, { :contacts => :destroy }
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# permission :view_contacts, { :contacts => [:index, :show] }
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#
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# The +options+ argument is a hash that accept the following keys:
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# * :public => the permission is public if set to true (implicitly given to any user)
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# * :require => can be set to one of the following values to restrict users the permission can be given to: :loggedin, :member
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# * :read => set it to true so that the permission is still granted on closed projects
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#
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# Examples
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# # A permission that is implicitly given to any user
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# # This permission won't appear on the Roles & Permissions setup screen
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# permission :say_hello, { :example => :say_hello }, :public => true, :read => true
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#
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# # A permission that can be given to any user
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# permission :say_hello, { :example => :say_hello }
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#
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# # A permission that can be given to registered users only
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# permission :say_hello, { :example => :say_hello }, :require => :loggedin
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#
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# # A permission that can be given to project members only
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# permission :say_hello, { :example => :say_hello }, :require => :member
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def permission(name, actions, options = {})
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if @project_module
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Redmine::AccessControl.map {|map| map.project_module(@project_module) {|map|map.permission(name, actions, options)}}
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else
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Redmine::AccessControl.map {|map| map.permission(name, actions, options)}
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end
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end
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# Defines a project module, that can be enabled/disabled for each project.
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# Permissions defined inside +block+ will be bind to the module.
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#
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# project_module :things do
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# permission :view_contacts, { :contacts => [:list, :show] }, :public => true
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# permission :destroy_contacts, { :contacts => :destroy }
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# end
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def project_module(name, &block)
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@project_module = name
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self.instance_eval(&block)
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@project_module = nil
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end
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# Registers an activity provider.
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#
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# Options:
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# * <tt>:class_name</tt> - one or more model(s) that provide these events (inferred from event_type by default)
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# * <tt>:default</tt> - setting this option to false will make the events not displayed by default
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#
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# A model can provide several activity event types.
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#
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# Examples:
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# register :news
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# register :scrums, :class_name => 'Meeting'
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# register :issues, :class_name => ['Issue', 'Journal']
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#
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# Retrieving events:
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# Associated model(s) must implement the find_events class method.
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# ActiveRecord models can use acts_as_activity_provider as a way to implement this class method.
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#
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# The following call should return all the scrum events visible by current user that occured in the 5 last days:
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# Meeting.find_events('scrums', User.current, 5.days.ago, Date.today)
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# Meeting.find_events('scrums', User.current, 5.days.ago, Date.today, :project => foo) # events for project foo only
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#
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# Note that :view_scrums permission is required to view these events in the activity view.
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def activity_provider(*args)
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Redmine::Activity.register(*args)
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end
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# Registers a wiki formatter.
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#
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# Parameters:
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# * +name+ - human-readable name
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# * +formatter+ - formatter class, which should have an instance method +to_html+
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# * +helper+ - helper module, which will be included by wiki pages
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def wiki_format_provider(name, formatter, helper)
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Redmine::WikiFormatting.register(name, formatter, helper)
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end
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# Returns +true+ if the plugin can be configured.
|
||
|
|
def configurable?
|
||
|
|
settings && settings.is_a?(Hash) && !settings[:partial].blank?
|
||
|
|
end
|
||
|
|
|
||
|
|
def mirror_assets
|
||
|
|
source = assets_directory
|
||
|
|
destination = public_directory
|
||
|
|
return unless File.directory?(source)
|
||
|
|
|
||
|
|
source_files = Dir[source + "/**/*"]
|
||
|
|
source_dirs = source_files.select { |d| File.directory?(d) }
|
||
|
|
source_files -= source_dirs
|
||
|
|
|
||
|
|
unless source_files.empty?
|
||
|
|
base_target_dir = File.join(destination, File.dirname(source_files.first).gsub(source, ''))
|
||
|
|
begin
|
||
|
|
FileUtils.mkdir_p(base_target_dir)
|
||
|
|
rescue Exception => e
|
||
|
|
raise "Could not create directory #{base_target_dir}: " + e.message
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
source_dirs.each do |dir|
|
||
|
|
# strip down these paths so we have simple, relative paths we can
|
||
|
|
# add to the destination
|
||
|
|
target_dir = File.join(destination, dir.gsub(source, ''))
|
||
|
|
begin
|
||
|
|
FileUtils.mkdir_p(target_dir)
|
||
|
|
rescue Exception => e
|
||
|
|
raise "Could not create directory #{target_dir}: " + e.message
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
source_files.each do |file|
|
||
|
|
begin
|
||
|
|
target = File.join(destination, file.gsub(source, ''))
|
||
|
|
unless File.exist?(target) && FileUtils.identical?(file, target)
|
||
|
|
FileUtils.cp(file, target)
|
||
|
|
end
|
||
|
|
rescue Exception => e
|
||
|
|
raise "Could not copy #{file} to #{target}: " + e.message
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
# Mirrors assets from one or all plugins to public/plugin_assets
|
||
|
|
def self.mirror_assets(name=nil)
|
||
|
|
if name.present?
|
||
|
|
find(name).mirror_assets
|
||
|
|
else
|
||
|
|
all.each do |plugin|
|
||
|
|
plugin.mirror_assets
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
# The directory containing this plugin's migrations (<tt>plugin/db/migrate</tt>)
|
||
|
|
def migration_directory
|
||
|
|
File.join(Rails.root, 'plugins', id.to_s, 'db', 'migrate')
|
||
|
|
end
|
||
|
|
|
||
|
|
# Returns the version number of the latest migration for this plugin. Returns
|
||
|
|
# nil if this plugin has no migrations.
|
||
|
|
def latest_migration
|
||
|
|
migrations.last
|
||
|
|
end
|
||
|
|
|
||
|
|
# Returns the version numbers of all migrations for this plugin.
|
||
|
|
def migrations
|
||
|
|
migrations = Dir[migration_directory+"/*.rb"]
|
||
|
|
migrations.map { |p| File.basename(p).match(/0*(\d+)\_/)[1].to_i }.sort
|
||
|
|
end
|
||
|
|
|
||
|
|
# Migrate this plugin to the given version
|
||
|
|
def migrate(version = nil)
|
||
|
|
puts "Migrating #{id} (#{name})..."
|
||
|
|
Redmine::Plugin::Migrator.migrate_plugin(self, version)
|
||
|
|
end
|
||
|
|
|
||
|
|
# Migrates all plugins or a single plugin to a given version
|
||
|
|
# Exemples:
|
||
|
|
# Plugin.migrate
|
||
|
|
# Plugin.migrate('sample_plugin')
|
||
|
|
# Plugin.migrate('sample_plugin', 1)
|
||
|
|
#
|
||
|
|
def self.migrate(name=nil, version=nil)
|
||
|
|
if name.present?
|
||
|
|
find(name).migrate(version)
|
||
|
|
else
|
||
|
|
all.each do |plugin|
|
||
|
|
plugin.migrate
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
class Migrator < ActiveRecord::Migrator
|
||
|
|
# We need to be able to set the 'current' plugin being migrated.
|
||
|
|
cattr_accessor :current_plugin
|
||
|
|
|
||
|
|
class << self
|
||
|
|
# Runs the migrations from a plugin, up (or down) to the version given
|
||
|
|
def migrate_plugin(plugin, version)
|
||
|
|
self.current_plugin = plugin
|
||
|
|
return if current_version(plugin) == version
|
||
|
|
migrate(plugin.migration_directory, version)
|
||
|
|
end
|
||
|
|
|
||
|
|
def current_version(plugin=current_plugin)
|
||
|
|
# Delete migrations that don't match .. to_i will work because the number comes first
|
||
|
|
::ActiveRecord::Base.connection.select_values(
|
||
|
|
"SELECT version FROM #{schema_migrations_table_name}"
|
||
|
|
).delete_if{ |v| v.match(/-#{plugin.id}/) == nil }.map(&:to_i).max || 0
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
def migrated
|
||
|
|
sm_table = self.class.schema_migrations_table_name
|
||
|
|
::ActiveRecord::Base.connection.select_values(
|
||
|
|
"SELECT version FROM #{sm_table}"
|
||
|
|
).delete_if{ |v| v.match(/-#{current_plugin.id}/) == nil }.map(&:to_i).sort
|
||
|
|
end
|
||
|
|
|
||
|
|
def record_version_state_after_migrating(version)
|
||
|
|
super(version.to_s + "-" + current_plugin.id.to_s)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|