Class: ScaffoldPlus::Generators::HasManyGenerator

Inherits:
ActiveRecord::Generators::Base
  • Object
show all
Defined in:
lib/generators/scaffold_plus/has_many/has_many_generator.rb

Instance Method Summary collapse

Instance Method Details

#add_counter ⇒ Object 



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# File 'lib/generators/scaffold_plus/has_many/has_many_generator.rb', line 38

def add_counter
  return unless options.counter?
  migration_template 'counter_migration.rb', "db/migrate/#{counter_migration}.rb"
end

#add_migration ⇒ Object 



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# File 'lib/generators/scaffold_plus/has_many/has_many_generator.rb', line 33

def add_migration
  return unless options.migration?
  migration_template 'child_migration.rb', "db/migrate/#{migration_name}.rb"
end

#add_to_models ⇒ Object 



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# File 'lib/generators/scaffold_plus/has_many/has_many_generator.rb', line 53

def add_to_models
  inject_into_class "app/models/#{name}.rb", class_name do
    text = before_array.include?(name) ? "\n" : ""
    text << "  has_many :#{children}"
    text << ", inverse_of: :#{name}" if options.inverse?
    text << ", dependent: :#{dependent}" if options.dependent.present?
    text << "\n"
    if options.nested.present?
      text << "  accepts_nested_attributes_for :#{children}\n"
    end
    text << "\n" if after_array.include?(name)
    text
  end

  child = children.singularize
  inject_into_class "app/models/#{child}.rb", child.camelize do
    text = before_array.include?(child) ? "\n" : ""
    text << "  belongs_to :#{name}"
    if options.foreign_key.present?
      text << ", foreign_key: \"#{options.foreign_key}\""
    end
    text << ", inverse_of: :#{children}" if options.inverse?
    text << ", counter_cache: true" if options.counter?
    text << "\n"
    text << "\n" if after_array.include?(child)
    text
  end
end

#add_to_permit ⇒ Object 



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# File 'lib/generators/scaffold_plus/has_many/has_many_generator.rb', line 82

def add_to_permit
  return if options.nested.blank?
  list = options.nested.map{|n| ":#{n}"}.join(', ')
  text = "#{children}_attributes: [ #{list} ]"
  file = "app/controllers/#{table_name}_controller.rb"
  gsub_file file, /(permit\(.*)\)/, "\\1, #{text})"
  # Special case: no previous permit
  gsub_file file, /^(\s*params)\[:#{name}\]$/, "\\1.require(:#{name}).permit(#{text})"
end

#add_to_route ⇒ Object 



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# File 'lib/generators/scaffold_plus/has_many/has_many_generator.rb', line 43

def add_to_route
  return unless options.route?
  gsub_file "config/routes.rb", /^  resources :#{table_name} do$/ do |match|
    match << "\n    resources :#{children}"
  end
  gsub_file "config/routes.rb", /^  resources :#{table_name}$/ do |match|
    match << " do\n    resources :#{children}\n  end"
  end
end

#update_child_controller_and_view ⇒ Object 



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# File 'lib/generators/scaffold_plus/has_many/has_many_generator.rb', line 92

def update_child_controller_and_view
  return unless options.route?
  child = children.singularize
  file = "app/controllers/#{children}_controller.rb"
  gsub_file file, /GET .#{children}.new$/ do |match|
    match = "GET /#{table_name}/:id/#{children}/new"
  end
  gsub_file file, /^    @#{child} = #{child.camelize}.new$/ do |match|
    match = "    @#{name} = #{class_name}.find(params[:#{name}_id])\n" +
            "    @#{child} = @#{name}.#{children}.build"
  end
  file = "app/views/#{children}/_form.html.erb"
  gsub_file file, /form_for\(@#{child}/ do |match|
    match = "form_for([@#{name}, @#{child}]"
  end
end