Class: SimplePvr::XmltvReader

Inherits:
Object
  • Object
show all
Includes:
Model
Defined in:
lib/simple_pvr/xmltv_reader.rb

Instance Method Summary collapse

Constructor Details

#initialize(mapping_to_channels) ⇒ XmltvReader

Returns a new instance of XmltvReader.



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# File 'lib/simple_pvr/xmltv_reader.rb', line 7

def initialize(mapping_to_channels)
  @channel_name_from_id = mapping_to_channels
  @channel_from_name = {}
  Channel.all.each do |channel|
    @channel_from_name[channel.name] = channel
  end
end

Instance Method Details

#process_channel(channel_xml) ⇒ Object 



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# File 'lib/simple_pvr/xmltv_reader.rb', line 31

def process_channel(channel_xml)
  channel_id = channel_xml[:id]
  channel_name = @channel_name_from_id[channel_id.to_s]
  set_channel_metadata(channel_name, channel_xml) if channel_name
end

#read(input) ⇒ Object 



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# File 'lib/simple_pvr/xmltv_reader.rb', line 15

def read(input)
  doc = Nokogiri::XML.parse(input)

  Programme.transaction do
    Programme.clear

    doc.xpath('/tv/channel').each do |channel|
      process_channel(channel)
    end

    doc.xpath('/tv/programme').each do |programme|
      process_programme(programme)
    end
  end
end

#set_channel_metadata(channel_name, channel_xml) ⇒ Object 



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# File 'lib/simple_pvr/xmltv_reader.rb', line 37

def set_channel_metadata(channel_name, channel_xml)
  channel = channel_from_name(channel_name)

  icon_xml = channel_xml.xpath("icon").first
  channel.icon_url = icon_xml[:src] if icon_xml
end