Class: BrainDamage::ModelGenerator

Inherits:
Templateable::ClassTemplateable show all
Defined in:
lib/generators/brain_damage/lib/model/model_generator.rb

Instance Attribute Summary

Attributes inherited from Templateable::ClassTemplateable

#current_file_name

Attributes inherited from Templateable::Base

#inner_html, #options, #template_file

Instance Method Summary collapse

Methods inherited from Templateable::ClassTemplateable

#always_overwrite_methods, #class_definition, #extract_definitions, #leading_class_method_calls, #methods, #overwrite_method?, #private_methods, #public_methods, #remove_methods, #setup

Methods inherited from Templateable::Base

#indent, #method_missing, #render, #render_erb_file, #render_erb_string, #render_template_file

Constructor Details

#initialize(resource, options = {}) ⇒ ModelGenerator

Returns a new instance of ModelGenerator.



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# File 'lib/generators/brain_damage/lib/model/model_generator.rb', line 5

def initialize(resource, options = {})
  @template_file = 'model.rb'
  super
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class BrainDamage::Templateable::Base

Instance Method Details

#add_lines_from_fieldsObject



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# File 'lib/generators/brain_damage/lib/model/model_generator.rb', line 87

def add_lines_from_fields
  @parser.class_method_calls[:after_class_definition] += @resource.fields.values.map(&:model_lines).flatten.reject(&:nil?).reject(&:empty?).map { |line|
    RubySimpleParser::CodeLine.new line

  }
end

#add_options_to_belongs_to_line(line) ⇒ Object



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# File 'lib/generators/brain_damage/lib/model/model_generator.rb', line 94

def add_options_to_belongs_to_line(line)
  related_field = line.scan(/:(\w+)/).first.first.to_sym
  options = @resource.columns[related_field].dup
  options.delete :type

  options = options.map { |key, value|
    "#{key}: '#{value}'"
  }

  if options.any?
    "#{line}, #{options.join(', ')}"
  else
    line
  end
end

#attribute_white_listObject



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# File 'lib/generators/brain_damage/lib/model/model_generator.rb', line 69

def attribute_white_list
  @resource.fields.values.map(&:attr_white_list).reject(&:nil?).join ', '
end

#generateObject



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# File 'lib/generators/brain_damage/lib/model/model_generator.rb', line 10

def generate
  improve_belongs_to_lines
  add_lines_from_fields
  prettify_lines
  super
end

#improve_belongs_to_linesObject



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# File 'lib/generators/brain_damage/lib/model/model_generator.rb', line 73

def improve_belongs_to_lines
  return unless @parser and @parser.class_method_calls[:after_class_definition]

  belongs_to_lines = @parser.class_method_calls[:after_class_definition].each_with_index.map { |line, index|
    [index, line.print]
  }.select{ |pair|
    pair.second =~ /belongs_to :(\w+)\s*$/
  }.map { |pair|
    [pair.first, add_options_to_belongs_to_line(pair.second) ]
  }.each { |pair|
    @parser.class_method_calls[:after_class_definition][pair.first].line = pair.second
  }
end

#prettify_linesObject



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# File 'lib/generators/brain_damage/lib/model/model_generator.rb', line 17

def prettify_lines
  return if @parser.class_method_calls[:after_class_definition].empty?

  infos = @parser.class_method_calls[:after_class_definition].map { |line|
    code = line.print.strip

    order = if code.starts_with? 'include'
              0
            elsif code.strip[0, 3].upcase == code.strip[0, 3]
              unless ['[', '{'].include? code.split("\n").first[-1]
                1
              else
                2
              end
            elsif code.starts_with? 'default_scope'
              3
            elsif code.starts_with? 'scope :'
              4
            elsif code.starts_with? 'validates '
              5
            elsif code =~ /^(has_many)|(has_and_bel)|(belongs_to)/
              6
            elsif code.starts_with? 'accepts_nested_attributes_for'
              7
            elsif code.starts_with? 'validates_associated'
              8
            else
              9
            end

    { code: code, line: line, order: order }

  }.sort { |info_a, info_b|
    order = info_a[:order] <=> info_b[:order]
    if order != 0 then order else info_a[:code] <=> info_b[:code] end
  }

  @parser.class_method_calls[:after_class_definition] = []
  current_info = infos.first
  new_line_number = 0

  infos.each do |info|
    if info[:order] != current_info[:order]
      @parser.class_method_calls[:after_class_definition] << RubySimpleParser::CodeLine.new("NEW_LINE_#{new_line_number}")
      new_line_number += 1
      current_info = info
    end

    @parser.class_method_calls[:after_class_definition] << info[:line]
  end
end