Class: Serienrenamer::InformationStore

Inherits:
Object
  • Object
show all
Defined in:
lib/serienrenamer/information_store.rb

Overview

this class holds a storage for episode information (seriesname) in form of a yaml file which can be used from other tools

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(yaml_path, byte_count = 2048) ⇒ InformationStore

this method will load an exisiting yaml file and tries to rebuild the used hash with episode data



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# File 'lib/serienrenamer/information_store.rb', line 13

def initialize(yaml_path, byte_count=2048)
    @yaml_path = yaml_path
    @byte_count = byte_count.to_i
    @episode_hash = {}

    if File.file?(yaml_path)
        serialized = YAML.load(File.new(yaml_path, "rb").read)
        if serialized.is_a?(Hash)
          @episode_hash = serialized
        end
    end
end

Instance Attribute Details

#byte_count ⇒ Object (readonly)

Returns the value of attribute byte_count.



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# File 'lib/serienrenamer/information_store.rb', line 9

def byte_count
  @byte_count
end

#episode_hash ⇒ Object (readonly)

Returns the value of attribute episode_hash.



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# File 'lib/serienrenamer/information_store.rb', line 9

def episode_hash
  @episode_hash
end

Instance Method Details

#store(episode) ⇒ Object

this method will store the information of the supplied episode instance to the file

Raises:

  • (ArgumentError) 


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# File 'lib/serienrenamer/information_store.rb', line 28

def store(episode)
    raise ArgumentError, "Episode instance needed" unless
        episode.is_a? Serienrenamer::Episode

    md5sum = episode.md5sum(@byte_count)

    unless @episode_hash[md5sum]
        @episode_hash[md5sum] = episode.series
    end
end

#write ⇒ Object

this method will write the current hash of episodes to the yaml file



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# File 'lib/serienrenamer/information_store.rb', line 41

def write()
    storage_file = File.new(@yaml_path, "w")
    storage_file.write(@episode_hash.to_yaml)
    storage_file.close
end