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# File 'lib/generators/declare_schema/support/model.rb', line 42
def included(base)
base.class_eval do
include EvalTemplate
argument :attributes, type: :array, default: [], banner: "field:type field:type"
class << self
def banner
"rails generate declare_schema:model #{arguments.map(&:usage).join(' ')} [options]"
end
end
class_option :timestamps, type: :boolean
def generate_model
invoke "active_record:model", [name], { migration: false }.merge(options)
end
def inject_declare_schema_code_into_model_file
gsub_file(model_path, / # attr_accessible :title, :body\n/m, "")
inject_into_class(model_path, class_name) do
declare_model_fields_and_associations
end
end
private
def declare_model_fields_and_associations
buffer = ::DeclareSchema::Support::IndentedBuffer.new(indent: 2)
buffer.newline!
buffer << 'declare_schema do'
buffer.indent! do
field_attributes.each do |attribute|
decl = "%-#{max_attribute_length}s" % attribute.type + ' ' +
attribute.name.to_sym.inspect +
case attribute.type.to_s
when 'string'
', limit: 255'
else
''
end
buffer << decl
end
if options[:timestamps]
buffer.newline!
buffer << 'timestamps'
end
end
buffer << 'end'
if bts.any?
buffer.newline!
bts.each do |bt|
buffer << "belongs_to #{bt.to_sym.inspect}"
end
end
if hms.any?
buffer.newline
hms.each do |hm|
buffer << "has_many #{hm.to_sym.inspect}, dependent: :destroy"
end
end
buffer.newline!
buffer.to_string
end
protected
def model_path
@model_path ||= File.join("app", "models", "#{file_path}.rb")
end
def max_attribute_length
attributes.map { |attribute| attribute.type.length }.max
end
def field_attributes
attributes.reject { |a| a.name == "bt" || a.name == "hm" }
end
def accessible_attributes
field_attributes.map(&:name) + bts.map { |bt| "#{bt}_id" } + bts + hms
end
def hms
attributes.select { |a| a.name == "hm" }.map(&:type)
end
def bts
attributes.select { |a| a.name == "bt" }.map(&:type)
end
end
end
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