Class: MusicBox::Group::Item

Inherits:
Object
  • Object
show all
Defined in:
lib/musicbox/group.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = {}) ⇒ Item

Returns a new instance of Item.



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# File 'lib/musicbox/group.rb', line 138

def initialize(params={})
  params.each { |k, v| send("#{k}=", v) }
end

Instance Attribute Details

#dir ⇒ Object

Returns the value of attribute dir.



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# File 'lib/musicbox/group.rb', line 129

def dir
  @dir
end

#id ⇒ Object

Returns the value of attribute id.



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# File 'lib/musicbox/group.rb', line 128

def id
  @id
end

Class Method Details

.load(dir, params = {}) ⇒ Object

Raises:



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# File 'lib/musicbox/group.rb', line 131

def self.load(dir, params={})
  dir = Path.new(dir)
  info_file = dir / Group::InfoFileName
  raise Error, "Info file does not exist: #{info_file}" unless info_file.exist?
  new(JSON.load(info_file.read).merge(dir: dir).merge(params))
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/musicbox/group.rb', line 161

def <=>(other)
  @id <=> other.id
end

#fields(keys) ⇒ Object 



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# File 'lib/musicbox/group.rb', line 157

def fields(keys)
  keys.map { |k| send(k) }
end

#info_file ⇒ Object 



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# File 'lib/musicbox/group.rb', line 142

def info_file
  @dir / Group::InfoFileName
end

#save ⇒ Object

Raises:



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# File 'lib/musicbox/group.rb', line 146

def save
  ;;warn "* saving item to #{@dir}"
  raise Error, "dir not defined" unless @dir
  @dir.mkpath unless @dir.exist?
  info_file.write(JSON.pretty_generate(serialize))
end

#serialize(args = {}) ⇒ Object 



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# File 'lib/musicbox/group.rb', line 153

def serialize(args={})
  { id: @id }.merge(args).compact
end