Class: Mongory::Generators::MatcherGenerator

Inherits:
Rails::Generators::NamedBase
  • Object
show all
Defined in:
lib/generators/mongory/matcher/matcher_generator.rb

Overview

Generates a new Mongory matcher.

Examples:

rails g mongory:matcher class_in
# Creates:
#   lib/mongory/matchers/class_in_matcher.rb
#   spec/mongory/matchers/class_in_matcher_spec.rb
#   config/initializers/mongory.rb (if not exists)

See Also:

Instance Method Summary collapse

Instance Method Details

#create_matcher ⇒ void

This method returns an undefined value.

Generates the matcher files and updates the initializer.



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# File 'lib/generators/mongory/matcher/matcher_generator.rb', line 24

def create_matcher
  @matcher_name = "#{class_name}Matcher"
  @operator_name = name.underscore
  @mongo_operator = "$#{name.camelize(:lower)}"

  template 'matcher.rb.erb', "lib/mongory/matchers/#{file_name}_matcher.rb"
  template 'matcher_spec.rb.erb', "spec/mongory/matchers/#{file_name}_matcher_spec.rb"
end

#update_initializer ⇒ void

This method returns an undefined value.

Updates or creates the Mongory initializer.



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# File 'lib/generators/mongory/matcher/matcher_generator.rb', line 36

def update_initializer
  initializer_path = 'config/initializers/mongory.rb'
  inject_line = "require \"#\{Rails.root\}/lib/mongory/matchers/#{file_name}_matcher\""
  front_line = '# frozen_string_literal: true'

  Mongory::Generators::InstallGenerator.start unless File.exist?(initializer_path)
  content = File.read(initializer_path)
  return if content.include?(inject_line)

  required_file_lines = content.scan(/.*require\s+["'].*_matcher["'].*/)
  if required_file_lines.empty?
    inject_line = "\n#{inject_line}"
  else
    front_line = required_file_lines.last
  end

  inject_into_file initializer_path, "#{inject_line}\n", after: "#{front_line}\n"
end