Class: ModelsDiagram

Inherits:
AppDiagram show all
Defined in:
lib/railroad/models_diagram.rb

Overview

RailRoad models diagram

Instance Method Summary collapse

Methods inherited from AppDiagram

#print, #to_s

Constructor Details

#initialize(options) ⇒ ModelsDiagram

Returns a new instance of ModelsDiagram.



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# File 'lib/railroad/models_diagram.rb', line 10

def initialize(options)
  #options.exclude.map! {|e| "app/models/" + e}
  super options
  @graph.diagram_type = 'Models'
  # Processed habtm associations
  @habtm = []
end

Instance Method Details

#generate ⇒ Object

Process model files



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# File 'lib/railroad/models_diagram.rb', line 19

def generate
  STDERR.print "Generating models diagram\n" if @options.verbose
  base = "(app/models/|lib/)"
  files = Dir.glob("app/models/**/*.rb")
  files += Dir.glob("vendor/plugins/**/app/models/*.rb") if @options.plugins_models
  files += Dir.glob("lib/**/*.rb") if @options.libraries

  files -= @options.exclude
  (files + ['filter_condition_type']).each do |file|
    model_name =
      @options.classes_by_files[file] ||
      (model_path = file.gsub(/^#{base}([\w_\/\\]+)\.rb/, '\2')).camelize
    STDERR.print "Processing #{file} ...\n" if @options.verbose
    # Hack to skip all xxx_related.rb files
    next if /_related/i =~ model_name

    klass = begin
              model_name.constantize
            rescue LoadError
              STDERR.print "\t#{model_name} raised LoadError.\n" if @options.verbose
              oldlen = model_path.length
              model_path.gsub!(/.*[\/\\]/, '')
              model_name = model_path.camelize
              if oldlen > model_path.length
                retry
              end
              STDERR.print "\tDone trying to remove slashes, skipping this model.\n" if @options.verbose
              next
            rescue NameError
              STDERR.print "\t#{model_name} raised NameError, skipping this model.\n" if @options.verbose
              next
            end

    process_class klass
    STDERR.print "Done #{file}\n" if @options.verbose
  end
end