mirror of
https://github.com/rails/rails.git
synced 2022-11-09 12:12:34 -05:00
6c69221985
Signed-off-by: José Valim <jose.valim@gmail.com>
114 lines
3.1 KiB
Ruby
114 lines
3.1 KiB
Ruby
require "active_support/core_ext/object/misc"
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require "cgi"
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require "active_support/core_ext/cgi"
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module Rails
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module Info
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mattr_accessor :properties
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class << (@@properties = [])
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def names
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map {|val| val.first }
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end
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def value_for(property_name)
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if property = assoc(property_name)
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property.last
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end
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end
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end
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class << self #:nodoc:
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def property(name, value = nil)
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value ||= yield
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properties << [name, value] if value
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rescue Exception
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end
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def frameworks
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%w( active_record action_pack active_resource action_mailer active_support )
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end
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def framework_version(framework)
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if Object.const_defined?(framework.classify)
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require "#{framework}/version"
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"#{framework.classify}::VERSION::STRING".constantize
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end
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end
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def to_s
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column_width = properties.names.map {|name| name.length}.max
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info = properties.map do |name, value|
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value = value.join(", ") if value.is_a?(Array)
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"%-#{column_width}s %s" % [name, value]
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end
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info.unshift "About your application's environment"
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info * "\n"
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end
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alias inspect to_s
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def to_html
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(table = '<table>').tap do
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properties.each do |(name, value)|
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table << %(<tr><td class="name">#{CGI.escapeHTML(name.to_s)}</td>)
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formatted_value = if value.kind_of?(Array)
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"<ul>" + value.map { |v| "<li>#{CGI.escapeHTML(v.to_s)}</li>" }.join + "</ul>"
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else
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CGI.escapeHTML(value.to_s)
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end
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table << %(<td class="value">#{formatted_value}</td></tr>)
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end
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table << '</table>'
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end
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end
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end
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# The Ruby version and platform, e.g. "1.8.2 (powerpc-darwin8.2.0)".
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property 'Ruby version', "#{RUBY_VERSION} (#{RUBY_PLATFORM})"
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# The RubyGems version, if it's installed.
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property 'RubyGems version' do
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Gem::RubyGemsVersion
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end
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property 'Rack version' do
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::Rack.release
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end
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# The Rails version.
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property 'Rails version' do
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Rails::VERSION::STRING
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end
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# Versions of each Rails framework (Active Record, Action Pack,
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# Active Resource, Action Mailer, and Active Support).
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frameworks.each do |framework|
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property "#{framework.titlecase} version" do
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framework_version(framework)
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end
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end
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property 'Middleware' do
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Rails.configuration.middleware.active.map(&:inspect)
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end
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# The application's location on the filesystem.
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property 'Application root' do
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File.expand_path(Rails.root)
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end
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# The current Rails environment (development, test, or production).
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property 'Environment' do
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Rails.env
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end
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# The name of the database adapter for the current environment.
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property 'Database adapter' do
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ActiveRecord::Base.configurations[Rails.env]['adapter']
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end
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property 'Database schema version' do
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ActiveRecord::Migrator.current_version rescue nil
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end
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end
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end
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