Class: DevArchive::Repositories::FileSystem

Inherits:
Object
  • Object
show all
Defined in:
lib/dev_archive/repositories.rb

Constant Summary collapse

SCHEMA = 
"0"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path:) ⇒ FileSystem

Returns a new instance of FileSystem.



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# File 'lib/dev_archive/repositories.rb', line 6

def initialize(path:)
  @path = path
end

Instance Attribute Details

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/dev_archive/repositories.rb', line 5

def path
  @path
end

Instance Method Details

#add(message) ⇒ Object 



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# File 'lib/dev_archive/repositories.rb', line 10

def add(message)
  id = SecureRandom.uuid
  timestamp = Time.now
  dir = mkdir(id)

  archive_metadata = Archives::Builder.call(dir: dir)

  if archive_metadata.fetch(:stores).empty?
    Cfg.shell.puts("no data to save")
  else
    metadata = {
      __schema__: SCHEMA,
      id: id,
      message: message,
      timestamp: timestamp.utc.iso8601,
      dir: dir,
      archive: archive_metadata
    }

    Cfg.shell.puts("writing metadata: #{metadata.to_json}")
    File.write(File.join(dir, "metadata.json"), JSON.pretty_generate(metadata))
  end
end

#delete(id) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/dev_archive/repositories.rb', line 57

def delete(id)
  dir = File.join(path, id)

  raise ArgumentError.new("unknown snapshot: #{id}") unless File.exist?(dir)

  FileUtils.rm_rf(dir)
end

#list ⇒ Object 



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# File 'lib/dev_archive/repositories.rb', line 40

def list
  Dir
    .glob(File.join(path, "**/metadata.json"))
    .map { |metadata| JSON.parse(File.read(metadata)) }
    .sort_by { |metadata| metadata.fetch("timestamp") }
    .reverse
    .each do |metadata|
      Formatters::List.call(metadata)
    end
end

#restore(id) ⇒ Object 



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# File 'lib/dev_archive/repositories.rb', line 34

def restore(id)
  metadata = JSON.parse(File.read(File.join(path, id, "metadata.json")))

  Archives::Restore.call(metadata.dig("archive"))
end

#show(id) ⇒ Object 



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# File 'lib/dev_archive/repositories.rb', line 51

def show(id)
  Formatters::Show.call(
    JSON.parse(File.read(File.join(path, id, "metadata.json")))
  )
end