Class: RailsInfo::Model

Inherits:
Object
  • Object
show all
Defined in:
lib/rails_info/model.rb

Instance Method Summary collapse

Instance Method Details

#associations(key_constant, options = { parent: ''}) ⇒ Object 



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# File 'lib/rails_info/model.rb', line 52

def associations(key_constant, options = { parent: ''})
  options.assert_valid_keys(:parent)
  
  key_constant = key_constant(key_constant, options[:parent]) if key_constant.is_a?(String)
   
  association_collection = []
  columns = columns_for(key_constant)
  columns.any? and association_collection << "belongs_to: #{columns.join(', ')}"    
  super_active_record_ancestor_column = "#{get_super_active_record_ancestor(key_constant).split('::').last.underscore}_id"
  has_many = {}
  
  if models_with_columns[super_active_record_ancestor_column]
    has_many[:standard] = models_with_columns[super_active_record_ancestor_column].uniq      
  else
    has_many[:alias] = {}
    
    models_with_columns.keys.select{|c| c.match("#{super_active_record_ancestor_column}")}.each do |column|
      has_many[:alias][column] = models_with_columns[column]
    end
    
    has_many[:alias].empty? and has_many = {}
  end
  
  has_many_polymorphs = {}
  
  if key_constant.respond_to?('reflections')
    key_constant.reflections.values.select{|r| [:has_one, :has_many].include?(r.macro) && r.options.has_key?(:as) }.each do |reflection|        
      association = reflection.options[:class_name] ? reflection.options[:class_name] : reflection.name.to_s.classify
      has_many_polymorphs[association] = reflection.options[:as].to_s
    end
  end
  
  !has_many_polymorphs.empty? and has_many[:polymorphic] = has_many_polymorphs
  
  !has_many.empty? and association_collection << "has_many: #{has_many.inspect}"
  
  association_collection.any? ? " (#{association_collection.join(';')})" : ""
end

#classes ⇒ Object

TODO: Live reload of ruby code as maybe seen here with require_or_load path github.com/Tho85/sunspot/blob/f9f6f9666e6df1a0e92c0d8070f7007075f75071/sunspot_rails/lib/sunspot/rails/tasks.rb



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# File 'lib/rails_info/model.rb', line 3

def classes
  return @classes if @classes
  
  #model_names = Dir.chdir(File.join(Rails.root, 'app', 'models')) { Dir["*.rb"] }
  #model_names = Dir.chdir(File.expand_path('../../../../../../../reqorder2/app/models', __FILE__)) { Dir["*.rb"] }
  @classes = []

  # Dir['app/models/**/*.*'].map{|f| f.gsub('app/models/', '')}
  Dir["#{Rails.root}/app/models/**/*.*"].each do |class_name|
    @classes << class_name.split('/').last.sub(/\.rb$/,'').camelize.constantize
  end
  
  #select { |k| k.ancestors.include?(ActiveRecord::Base) && k.connection.table_exists?(k.table_name) }
  @classes.select! { |c| c.respond_to?('table_name') }
  
  @classes
end

#columns_for(key_constant, options = {}) ⇒ Object 



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# File 'lib/rails_info/model.rb', line 91

def columns_for(key_constant, options = {})
  options.assert_valid_keys(:parent)
  
  key_constant = key_constant(key_constant, options[:parent]) if key_constant.is_a?(String)
  
  columns = []
  
  begin
    columns = key_constant.columns.map(&:name).select{|c| c.match('_id') || c.match('type')}.sort
  rescue NoMethodError
    columns = []
  end
  
  columns
end

#list ⇒ Object 



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# File 'lib/rails_info/model.rb', line 21

def list
  models = {}
  
  classes.each do |klass| 
    ar_ancestors = active_record_ancestors(klass)
    
    path_until_here = []
    
    klass_path = ar_ancestors.any? ? ar_ancestors.reverse : [] 
    
    if ar_ancestors.any?
      if ar_ancestors.first.match('::') && ar_ancestors.length == 1
        klass_path = (ar_ancestors.first + "::" + klass.to_s.split('::').last).split('::')
      elsif ar_ancestors.first.match('::')    
        raise 'unimplemented'
      else
        klass_path += klass.to_s.split('::') 
      end
    else
      klass_path += klass.to_s.split('::')   
    end   
         
    klass_path.each do |element|
      path_until_here << element           
      eval("models['" + path_until_here.join("']['") + "'] ||= {}")
    end
  end
  
  models
end