Class: Foobara::Generators::WriteGeneratedFilesToDisk

Inherits:
Command
  • Object
show all
Defined in:
foobara-files-generator-0.1.2/src/write_generated_files_to_disk.rb

Defined Under Namespace

Classes: CouldNotExecuteError

Constant Summary

Constants included from TruncatedInspect

TruncatedInspect::MAX_LENGTH

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Command

install!

Methods included from TruncatedInspect

#inspect, truncating

Methods included from Concern

foobara_class_methods_module_for, foobara_concern?, included

Instance Attribute Details

#paths_to_source_code ⇒ Object

Returns the value of attribute paths_to_source_code.



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# File 'src/write_generated_files_to_disk.rb', line 21

def paths_to_source_code
  @paths_to_source_code
end

Class Method Details

.generator_key ⇒ Object 



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# File 'src/write_generated_files_to_disk.rb', line 10

def generator_key
  nil
end

Instance Method Details

#delete_old_files_if_needed ⇒ Object 



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# File 'src/write_generated_files_to_disk.rb', line 29

def delete_old_files_if_needed
  file_list_file = "#{output_directory}/#{generated_files_json_filename}"

  if File.exist?(file_list_file)
    # :nocov:
    file_list = JSON.parse(File.read(file_list_file))

    file_list.map do |file|
      Thread.new { FileUtils.rm_f("#{output_directory}/#{file}") }
    end.each(&:join)
    # :nocov:
  end
end

#generate_generated_files_json ⇒ Object 



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# File 'src/write_generated_files_to_disk.rb', line 23

def generate_generated_files_json
  paths_to_source_code[generated_files_json_filename] = "[\n#{
    paths_to_source_code.keys.sort.map { |k| "  \"#{k}\"" }.join(",\n")
  }\n]\n"
end

#generated_files_json_filename ⇒ Object 



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# File 'src/write_generated_files_to_disk.rb', line 59

def generated_files_json_filename
  key = self.class.generator_key

  if key
    # TODO: test this path
    # :nocov:
    "#{key}-generator.json"
    # :nocov:
  else
    "foobara-generated.json"
  end
end

#run_cmd_and_return_output(cmd) ⇒ Object 



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# File 'src/write_generated_files_to_disk.rb', line 109

def run_cmd_and_return_output(cmd)
  retval = ""

  Open3.popen3(cmd) do |_stdin, stdout, stderr, wait_thr|
    loop do
      line = stdout.gets
      break unless line

      retval << line
    end

    exit_status = wait_thr.value
    unless exit_status.success?
      # :nocov:
      raise CouldNotExecuteError, "could not #{cmd}\n#{stderr.read}"
    end
    # :nocov:
  end
rescue Errno::ENOENT
  raise CouldNotExecuteError, "Could not run: #{cmd}\nMaybe it is not installed?"
end

#run_cmd_and_write_output(cmd, raise_if_fails: true) ⇒ Object

TODO: probably needs a better name



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# File 'src/write_generated_files_to_disk.rb', line 73

def run_cmd_and_write_output(cmd, raise_if_fails: true)
  Open3.popen3(cmd) do |_stdin, stdout, stderr, wait_thr|
    loop do
      line = stdout.gets
      break unless line

      puts line
    end

    exit_status = wait_thr.value

    unless exit_status.success?
      # :nocov:
      message = "Could not #{cmd}\n#{stderr.read}"
      if raise_if_fails
        raise CouldNotExecuteError, message
      else
        warn "WARNING: #{message}"
      end
      # :nocov:
    end

    exit_status
  end
rescue Errno::ENOENT
  message = "Could not run: #{cmd}\nMaybe it is not installed?"

  if raise_if_fails
    raise CouldNotExecuteError, message
  else
    warn "WARNING: #{message}"
  end

  nil
end

#stats ⇒ Object 



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# File 'src/write_generated_files_to_disk.rb', line 131

def stats
  "Wrote #{paths_to_source_code.size} files to #{output_directory}"
end

#write_all_files_to_disk ⇒ Object 



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# File 'src/write_generated_files_to_disk.rb', line 43

def write_all_files_to_disk
  if paths_to_source_code.key?(generated_files_json_filename)
    write_file_to_disk(generated_files_json_filename, paths_to_source_code[generated_files_json_filename])
  end

  paths_to_source_code.map do |path, contents|
    Thread.new { write_file_to_disk(path, contents) unless path == generated_files_json_filename }
  end.each(&:join)
end

#write_file_to_disk(path, contents) ⇒ Object 



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# File 'src/write_generated_files_to_disk.rb', line 53

def write_file_to_disk(path, contents)
  path = "#{output_directory}/#{path}"
  FileUtils.mkdir_p(File.dirname(path))
  File.write(path, contents)
end