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#!/usr/bin/env ruby
#
#--
# Copyright 2009-2014 David Vazgenovich Shakaryan <dvshakaryan@gmail.com>
# Distributed under the terms of the GNU General Public License v3.
# See http://www.gnu.org/licenses/gpl.txt for the full license text.
#++
#
# *Author*:: David Vazgenovich Shakaryan
# *License*:: GNU General Public License v3
# Collection of methods related to the database.
module MPDDatabase
# Returns all directories.
# If an argument is specified, list all subdirectories of that directory.
def directories(uri = nil)
command = 'lsinfo'
command << ' "%s"' % uri if uri
if uri
path = Regexp.escape(uri + '/')
else
path = String.new
end
return send_request(command).scan(/^directory: (#{path}.+?)\n/).flatten
end
# Counts the number of songs in the database where _field_ is _value_, as
# well as their total playtime.
def count(field, value)
return generate_hash(send_request('count %s "%s"' % [field, value]))
end
# Finds all songs in the database where _field_ is _value_.
#
# Possible field names: album, artist, title.
def find(field, value)
return split_and_hash(send_request('find %s "%s"' % [field, value]))
end
# Returns all files.
# If an argument is specified, list all files in that directory.
def files(uri = nil)
command = 'lsinfo'
command << ' "%s"' % uri if uri
if uri
path = Regexp.escape(uri + '/')
else
path = String.new
end
files = send_request(command)
files = files.gsub(/^directory: .+?\n/, '').sub(/^playlist: .+/m, '')
return split_and_hash(files)
end
# Finds all songs in the database where _field_ contains _value_.
# Matching is not case-sensitive.
#
# Possible field names: album, artist, filename, title.
def search(field, value)
return split_and_hash(send_request('search %s "%s"' % [field, value]))
end
# Updates the database.
# If an argument is given, update that particular file or directory.
def update(uri = nil)
command = 'update'
command << ' "%s"' % uri if uri
return send_request(command)
end
end
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