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require 'qml'
require 'audioinfo'
require './models'
module BassPlayer
VERSION = '0.1'
class SongController
include QML::Access
register_to_qml
property(:title) { '' }
property(:duration) { '' }
property(:current_song) { '' }
property(:current_segment) { '' }
property(:model) { QML::ArrayModel.new(:title, :duration) }
property(:segment_model) {
QML::ArrayModel.new(:name, :from, :to)
}
def initialize
super()
Song.all.each do |song|
model << {
title: song.title,
duration: ms_to_time(song.duration)
}
end
end
def add(file_url, duration, metadata)
path = file_url.split('file://').last
AudioInfo.open(path) do |info|
title = if info.title.empty?
File.basename(path)
else
info.title
end
song = Song.create(
title: title,
duration: info.length * 1000,
path: file_url
)
item = {
title: song.title,
duration: ms_to_time(song.duration)
}
model << item
end
end
def song_selected(row)
unless row.nil?
self.current_song = model[row][:title]
end
segment_model.clear
self.current_segment = nil
song = Song.first(title: self.current_song)
segments = Song.first(title: self.current_song).segments.map do |segment|
{
name: segment.name,
from: ms_to_time(segment.from),
to: ms_to_time(segment.to)
}
end
for segment in segments
segment_model << segment
end
return {
path: song.path,
duration: song.duration
}
end
def segment_selected(row)
song = Song.first(title: self.current_song)
self.current_segment = song.segments[row.to_i].to_hash
end
def add_segment(name, from, to)
song = Song.first(title: current_song)
Segment.create(
name: name, from: parse_time(from), to: parse_time(to),
song_id: song.id
)
song_selected(nil)
end
def ms_to_time(ms)
retval = Time.at(ms/1000).utc.strftime("%M:%S")
return retval
end
def parse_time(string)
# Parses a string of the form '3:12' to milliseconds
min, sec = string.split(':').map(&:to_i)
return ((min * 60) + sec) * 1000
end
end
end
QML.run do |app|
app.load_path Pathname(__FILE__) + '../main.qml'
end
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