X-Git-Url: https://git.r.bdr.sh/rbdr/lyricli.rb/blobdiff_plain/6f33706c59d73cfae04fc2e799502522de10f1c1..b434f05e58de158e651fbc83cead322f6a864d36:/lib/lyricli/source_manager.rb?ds=sidebyside diff --git a/lib/lyricli/source_manager.rb b/lib/lyricli/source_manager.rb index 3befbd2..e6004df 100644 --- a/lib/lyricli/source_manager.rb +++ b/lib/lyricli/source_manager.rb @@ -1,8 +1,12 @@ module Lyricli + + # Manages the different sources. SourceManager is in charge of enabling and + # disabling them, as well as getting the current track. class SourceManager include Util + # Creates a new instance of SourceManager def initialize @enabled_sources = [] @config = Configuration.instance @@ -11,11 +15,16 @@ module Lyricli current_source = klass.new @enabled_sources << current_source else - raise StartSourceException + raise Exceptions::StartSourceError end end end + # Enables a source. This runs the source's enable method and adds it to the + # `enabled_sources` configuration key. It will only enable sources that + # are "available" (see #available_sources) + # + # @param [String] source_name the name of the source to enable def enable(source_name) if available_sources.include?(source_name) if klass = parse_class(camelize(source_name)) @@ -24,39 +33,50 @@ module Lyricli @config["enabled_sources"].uniq! @config.save_config else - raise EnableSourceException + raise Exceptions::EnableSourceError end else - raise UnknownSource + raise Exceptions::UnknownSourceError end end + # Disables a source. This only removes the source from the `enabled_sources` + # configuration key. + # + # @param [String] source_name the name of the source to disable def disable(source_name) if available_sources.include?(source_name) if klass = parse_class(camelize(source_name)) @config["enabled_sources"].delete(klass.name) @config.save_config else - raise DisableSourceException + raise Exceptions::DisableSourceError end else - raise UnknownSource + raise Exceptions::UnknownSourceError end end + # Resets a source. This runs the source's reset method. It will also disable + # them. + # + # @param [String] source_name the name of the source to reset. def reset(source_name) if available_sources.include?(source_name) if klass = parse_class(camelize(source_name)) klass.reset disable(source_name) else - raise ResetSourceException + raise Exceptions::ResetSourceError end else - raise UnknownSource + raise Exceptions::UnknownSourceError end end + # Iterates over every source to attempt to retrieve the current song. + # + # @return [Hash] the current track, has an `:artist` and `:song` key. def current_track track = nil lock = false @@ -72,30 +92,40 @@ module Lyricli lock = true if source.class.name == "arguments" end rescue - raise SourceConfigurationException + raise Exceptions::SourceConfigurationError end end track end + # Returns an array with the available sources. Optionally formats the result + # so active sources are identified by an appended * + # + # @param [Boolean] format whether or not to render the stars for active + # sources. + # @return [Array] the names of the currently available sources. def available_sources(format = false) path_root = File.expand_path(File.dirname(__FILE__)) sources = Dir[path_root+"/sources/*.rb"].map{ |s| name = s.split("/").last.gsub(/\.rb/, "") - - # Add a star to denote enabled sources name } # Remove arguments (Hack?) We don't want anybody to touch tihs one. sources.delete("arguments") if format + # Add a star to denote enabled sources format_sources(sources) else sources end end + # Adds a star to all members of the array that correspond to an active + # source + # + # @param [Array] sources the array of sources to format + # @return [Array] the formatted array def format_sources(sources) sources.map{ |s| s << "*" if @config["enabled_sources"].include?(s)