Class: HatenablogPublisher::Io

Inherits:
Object
  • Object
show all
Defined in:
lib/hatenablog_publisher/io.rb

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Io

Returns a new instance of Io.



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# File 'lib/hatenablog_publisher/io.rb', line 3

def initialize(options)
  @options = options
end

Instance Method Details

#data_file ⇒ Object 



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# File 'lib/hatenablog_publisher/io.rb', line 11

def data_file
  @options.data_file
end

#data_file? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/hatenablog_publisher/io.rb', line 7

def data_file?
  data_file.present?
end

#read ⇒ Object 



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# File 'lib/hatenablog_publisher/io.rb', line 45

def read
  filename = @options.filename

  if data_file?
    read_from_datafile(filename)
  else
    read_from_file(filename)
  end
end

#read_from_datafile(filename) ⇒ Object 



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# File 'lib/hatenablog_publisher/io.rb', line 55

def read_from_datafile(filename)
  json = JSON.parse(File.read(data_file))
  target = json.find { |l| l['filepath'] == filename }

  [target.deep_symbolize_keys, File.read(filename)]
end

#read_from_file(filename) ⇒ Object 



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# File 'lib/hatenablog_publisher/io.rb', line 62

def read_from_file(filename)
  parsed = FrontMatterParser::Parser.parse_file(filename, loader: yaml_loader)

  [parsed.front_matter.deep_symbolize_keys, parsed.content]
end

#write(metadata, text) ⇒ Object 



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# File 'lib/hatenablog_publisher/io.rb', line 19

def write(metadata, text)
  if data_file?
    write_data_file(metadata)
  else
    write_file(metadata, text)
  end
end

#write_data_file(metadata) ⇒ Object 



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# File 'lib/hatenablog_publisher/io.rb', line 27

def write_data_file(metadata)
  data = JSON.parse(File.read(@options.data_file))
  data.each do |l|
    next unless l['filepath'] == @options.filename

    l.deep_symbolize_keys!.merge!(metadata)
  end
  File.write(data_file, JSON.pretty_generate(data, indent: '   ', space_before: ' '))
end

#write_file(metadata, text) ⇒ Object 



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# File 'lib/hatenablog_publisher/io.rb', line 37

def write_file(metadata, text)
  filename = @options.filename
  parsed = FrontMatterParser::Parser.parse_file(filename, loader: yaml_loader)
  front_matter = parsed.front_matter.deep_symbolize_keys.merge(metadata)
  body = YAML.dump(front_matter.deep_stringify_keys) + "\n---\n\n" + text
  File.write(filename, body)
end

#yaml_loader ⇒ Object 



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# File 'lib/hatenablog_publisher/io.rb', line 15

def yaml_loader
  FrontMatterParser::Loader::Yaml.new(allowlist_classes: [Time])
end