Initial commit

.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>PlauschangriffDownloader</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+	</buildSpec>
+	<natures>
+		<nature>com.aptana.projects.webnature</nature>
+		<nature>com.aptana.ruby.core.rubynature</nature>
+	</natures>
+</projectDescription>

lib/includes/gui.rb

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+class Gui < FXMainWindow
+
+	def initialize(app)
+		@xml = Xml.new
+		@prepare = Prepare.new
+
+		# Initialize base class first
+		super(app, "Plauschangriff Downloader", :opts => DECOR_ALL, :width => 460, :height => 165)
+
+		# Create GUI
+
+		# Frames
+		topFrame = FXHorizontalFrame.new(self)
+		topFrameLeft = FXVerticalFrame.new(topFrame)
+		topFrameRight = FXVerticalFrame.new(topFrame, :padLeft => 25)
+
+
+		lbl1 = FXLabel.new(topFrameLeft, 'Select podcasts', nil, LAYOUT_LEFT)
+		@list1 = FXList.new(topFrameLeft, :opts => LAYOUT_FIX_WIDTH|LAYOUT_FIX_HEIGHT|LIST_EXTENDEDSELECT|LIST_MULTIPLESELECT, :width => 350, :height => 80)
+		@list1.fillItems(@xml.getPodcastNames)
+		lbl2 = FXLabel.new(topFrameRight, ' ', nil, LAYOUT_LEFT)
+		btnDownload = FXButton.new(topFrameRight, 'Download', :opts => FRAME_RAISED|FRAME_THICK|LAYOUT_FILL_X)
+		btnExit = FXButton.new(topFrameRight, 'Exit', :opts => FRAME_RAISED|FRAME_THICK|LAYOUT_FILL_X)
+		@lbl3 = FXLabel.new(topFrameLeft, 'Waiting...', nil, JUSTIFY_LEFT|LAYOUT_FIX_WIDTH, :width => 350)
+		@progressbar =  FXProgressBar.new(topFrameLeft, :opts => LAYOUT_FIX_WIDTH|PROGRESSBAR_HORIZONTAL|PROGRESSBAR_NORMAL|PROGRESSBAR_PERCENTAGE, :width => 350)
+		@progressbar.barColor = Fox.FXRGB(152, 251, 152)		
+
+		# Commands
+		btnExit.connect(SEL_COMMAND) { exit }
+		btnDownload.connect(SEL_COMMAND) { Thread.new {start} }
+
+	end
+
+	def download(url, name)
+		open(name, 'wb') do |file|
+			open(url, :progress_proc => proc { |step|					
+					@progressbar.progress = step	
+				}) do |uri|
+				file.write(uri.read)
+			end
+		end
+	end
+
+
+	def start
+		@list1.each do |item|
+			if(item.selected?)
+				url = @xml.getDownloadLink(item)
+				@progressbar.total = @prepare.getSize(url)
+				name = "Rocket Beans Plauschangriff - " + item.to_s + ".mp3"
+				@lbl3.text = "Downloading: " + item.to_s + ".mp3"
+				download(url, @prepare.sanitize(name))
+			end
+		end		
+	end
+
+
+	def create
+		super
+		show(PLACEMENT_SCREEN)
+	end
+end

lib/includes/prepare.rb

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+class Prepare
+
+  def initialize()
+
+  end
+
+  def sanitize(filename)
+    bad_chars = [ '/', '\\', '?', '%', '*', ':', '|', '"', '<', '>' ]
+    bad_chars.each do |bad_char|
+      filename.gsub!(bad_char, ' ')
+    end
+    filename
+  end
+
+  def getSize(url)
+    res = nil
+    urlbase = url.split('/')[2]
+    urlpath = '/'+url.split('/')[3..-1].join('/')
+    Net::HTTP.start(urlbase, 80) do |http|
+      res = http.head(urlpath)
+    end
+    res['content-length'].to_f
+  end
+end

lib/includes/xml.rb

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+class Xml
+
+  def initialize
+    @doc = Nokogiri::XML(open("http://rocketbeans.tv/plauschangriff.xml"))
+  end
+
+  def getPodcastNames
+    @podcastnames = Array.new
+    @doc.xpath('//item').each do |parent|
+      @podcastnames.push(parent.xpath('./title').text)
+    end
+    @podcastnames
+  end
+
+  def escape_single_quotes_for_xpath(string)
+    if string =~ /'/
+      %[concat('] + string.gsub(/'/, %[', "'", ']) + %[')] # horribly, this is how you escape single quotes in XPath.
+    else
+      %['#{string}']
+    end
+end
+
+  def getDownloadLink(podcastname)
+	pod = escape_single_quotes_for_xpath(podcastname.to_s)
+	expression = "//title[text() = #{pod}]/.."
+    node = @doc.xpath(expression)
+    node.xpath('./enclosure/@url').to_s
+
+  end
+
+end

lib/main.rb

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+$:.unshift File.dirname(__FILE__)
+
+require 'fox16'
+include Fox
+
+require 'nokogiri'
+require 'open-uri'
+require 'includes/gui'
+require 'includes/xml'
+require 'includes/prepare'
+
+if __FILE__ == $0
+	FXApp.new("Plauschangriff Downloader", "FXRuby") do |app|
+		Gui.new(app)
+		app.create
+		app.run
+	end
+end