Class: Fulmar::Domain::Service::TemplateRenderingService

Inherits:
Object
  • Object
show all
Defined in:
lib/fulmar/domain/service/template_rendering_service.rb

Overview

Renders templates of config files

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ TemplateRenderingService

Returns a new instance of TemplateRenderingService.



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# File 'lib/fulmar/domain/service/template_rendering_service.rb', line 8

def initialize(config)
  @config = config
end

Instance Method Details

#render ⇒ Object 



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# File 'lib/fulmar/domain/service/template_rendering_service.rb', line 12

def render
  return unless @config[:templates]
  @config[:templates].each do |template_file|
    template = template_path(template_file)

    renderer = ERB.new(File.read(template))
    result_path = File.dirname(template) + '/' + File.basename(template, '.erb')
    File.open(result_path, 'w') { |config_file| config_file.write(renderer.result(binding)) }
  end
end

#template_path(template_file) ⇒ Object 



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# File 'lib/fulmar/domain/service/template_rendering_service.rb', line 23

def template_path(template_file)
  template = "#{@config[:local_path]}/#{template_file}"
  raise "Template filenames must end in .erb - '#{template}' does not" unless template[-4, 4] == '.erb'
  raise "Cannot render missing config file '#{template}'" unless File.exist? template
  template
end