103 lines
2.6 KiB
Ruby
103 lines
2.6 KiB
Ruby
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require "cgi"
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module Rails
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# This module helps build the runtime properties that are displayed in
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# Rails::InfoController responses. These include the active Rails version,
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# Ruby version, Rack version, and so on.
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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(&: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 to_s
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column_width = properties.names.map(&: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>".tap do |table|
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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 Rails version.
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property "Rails version" do
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Rails.version.to_s
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end
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# The Ruby version and platform, e.g. "2.0.0-p247 (x86_64-darwin12.4.0)".
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property "Ruby version" do
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"#{RUBY_VERSION}-p#{RUBY_PATCHLEVEL} (#{RUBY_PLATFORM})"
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end
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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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property "JavaScript Runtime" do
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ExecJS.runtime.name
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end
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property "Middleware" do
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Rails.configuration.middleware.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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