Class: Bplmodels::Finder

Inherits:
Object
  • Object
show all
Defined in:
lib/bplmodels/finder.rb

Class Method Summary collapse

Class Method Details

.getAudioFiles(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 119

def self.getAudioFiles(pid)
  return_list = []
  Bplmodels::AudioFile.find_in_batches('is_audio_of_ssim'=>"info:fedora/#{pid}") do |group|
    group.each { |solr_object|
      return_list << solr_object
    }
  end
  return sort_files(return_list)
end

.getCollectionObjects(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 4

def self.getCollectionObjects(pid)
  return_hash = {}
  return_hash[:images] = []
  return_hash[:documents] = []
  return_hash[:audio] = []
  return_hash[:ereader] = []
  return_hash[:generic] = []

  preceding_pid_lookup = []

  Bplmodels::File.find_in_batches('is_file_of_ssim'=>"info:fedora/#{pid}") do |group|
    group.each { |solr_object|
      if solr_object['has_model_ssim'].include?('info:fedora/afmodel:Bplmodels_AudioFile')
        return_hash[:audio] << solr_object
      elsif solr_object['has_model_ssim'].include?('info:fedora/afmodel:Bplmodels_ImageFile')
        return_hash[:images] << solr_object
      elsif solr_object['has_model_ssim'].include?('info:fedora/afmodel:Bplmodels_DocumentFile')
        return_hash[:documents] << solr_object
      elsif solr_object['has_model_ssim'].include?('info:fedora/afmodel:Bplmodels_EreaderFile')
        return_hash[:ereader] << solr_object
      else
        return_hash[:generic] << solr_object
      end
    }
  end

  return_hash[:images] = sort_files(return_hash[:images])
  return_hash[:documents] = sort_files(return_hash[:documents])
  return_hash[:audio] = sort_files(return_hash[:audio])
  return_hash[:ereader] = sort_files(return_hash[:ereader])
  return_hash[:generic] = sort_files(return_hash[:generic])

  return return_hash
end

.getDocumentFiles(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 129

def self.getDocumentFiles(pid)
  return_list = []
  Bplmodels::DocumentFile.find_in_batches('is_document_of_ssim'=>"info:fedora/#{pid}") do |group|
    group.each { |solr_object|
      return_list << solr_object
    }
  end
  return sort_files(return_list)
end

.getEreaderFiles(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 139

def self.getEreaderFiles(pid)
  return_list = []
  Bplmodels::EreaderFile.find_in_batches('is_ereader_of_ssim'=>"info:fedora/#{pid}") do |group|
    group.each { |solr_object|
      return_list << solr_object
    }
  end
  return sort_files(return_list)
end

.getFileParentObject(file_pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 276

def self.getFileParentObject(file_pid)
  Bplmodels::File.find_in_batches('id'=>"#{file_pid}") do |group|
    group.each { |solr_object|
      return solr_object['is_file_of_ssim'].first.split('/')[1]
    }
  end

  return nil
end

.getFiles(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 39

def self.getFiles(pid)
  return_hash = {}
  return_hash[:images] = []
  return_hash[:documents] = []
  return_hash[:audio] = []
  return_hash[:ereader] = []
  return_hash[:generic] = []

  preceding_pid_lookup = []

  Bplmodels::File.find_in_batches('is_file_of_ssim'=>"info:fedora/#{pid}") do |group|
    group.each { |solr_object|
      if solr_object['has_model_ssim'].include?('info:fedora/afmodel:Bplmodels_AudioFile')
        return_hash[:audio] << solr_object
      elsif solr_object['has_model_ssim'].include?('info:fedora/afmodel:Bplmodels_ImageFile')
        return_hash[:images] << solr_object
      elsif solr_object['has_model_ssim'].include?('info:fedora/afmodel:Bplmodels_DocumentFile')
        return_hash[:documents] << solr_object
      elsif solr_object['has_model_ssim'].include?('info:fedora/afmodel:Bplmodels_EreaderFile')
        return_hash[:ereader] << solr_object
      else
        return_hash[:generic] << solr_object
      end
    }
  end

  return_hash[:images] = sort_files(return_hash[:images])
  return_hash[:documents] = sort_files(return_hash[:documents])
  return_hash[:audio] = sort_files(return_hash[:audio])
  return_hash[:ereader] = sort_files(return_hash[:ereader])
  return_hash[:generic] = sort_files(return_hash[:generic])

  return return_hash
end

.getFirstAudioFile(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 168

def self.getFirstAudioFile(pid)
  Bplmodels::AudioFile.find_in_batches('is_audio_of_ssim'=>"info:fedora/#{pid}", 'is_following_audio_of_ssim'=>'') do |group|
    group.each { |solr_object|
      return solr_object
    }
  end
  return nil
end

.getFirstDocumentFile(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 177

def self.getFirstDocumentFile(pid)
  Bplmodels::DocumentFile.find_in_batches('is_document_of_ssim'=>"info:fedora/#{pid}", 'is_following_document_of_ssim'=>'') do |group|
    group.each { |solr_object|
      return solr_object
    }
  end
  return nil
end

.getFirstEreaderFile(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 186

def self.getFirstEreaderFile(pid)
  Bplmodels::EreaderFile.find_in_batches('is_ereader_of_ssim'=>"info:fedora/#{pid}", 'is_following_ereader_of_ssim'=>'') do |group|
    group.each { |solr_object|
      return solr_object
    }
  end
  return nil
end

.getFirstImageFile(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 159

def self.getFirstImageFile(pid)
  Bplmodels::ImageFile.find_in_batches('is_image_of_ssim'=>"info:fedora/#{pid}", 'is_following_image_of_ssim'=>'') do |group|
    group.each { |solr_object|
      return solr_object
    }
  end
  return nil
end

.getFirstVolumeObject(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 195

def self.getFirstVolumeObject(pid)
  Bplmodels::Volume.find_in_batches('is_volume_of_ssim'=>"info:fedora/#{pid}", 'is_following_volume_of_ssim'=>'') do |group|
    group.each { |solr_object|
      return solr_object
    }
  end
  return nil
end

.getImageFiles(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 109

def self.getImageFiles(pid)
  return_list = []
  Bplmodels::ImageFile.find_in_batches('is_image_of_ssim'=>"info:fedora/#{pid}") do |group|
    group.each { |solr_object|
      return_list << solr_object
    }
  end
  return sort_files(return_list)
end

.getNextAudioFile(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 213

def self.getNextAudioFile(pid)
  Bplmodels::AudioFile.find_in_batches('is_following_audio_of_ssim'=>"info:fedora/#{pid}") do |group|
    group.each { |solr_object|
      return solr_object
    }
  end
  return nil
end

.getNextDocumentFile(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 222

def self.getNextDocumentFile(pid)
  Bplmodels::DocumentFile.find_in_batches('is_following_document_of_ssim'=>"info:fedora/#{pid}") do |group|
    group.each { |solr_object|
      return solr_object
    }
  end
  return nil
end

.getNextEReaderFile(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 231

def self.getNextEReaderFile(pid)
  Bplmodels::EreaderFile.find_in_batches('is_following_ereader_of_ssim'=>"info:fedora/#{pid}") do |group|
    group.each { |solr_object|
      return solr_object
    }
  end
  return nil
end

.getNextImageFile(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 204

def self.getNextImageFile(pid)
  Bplmodels::ImageFile.find_in_batches('is_following_image_of_ssim'=>"info:fedora/#{pid}") do |group|
    group.each { |solr_object|
      return solr_object
    }
  end
  return nil
end

.getPrevAudioFile(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 249

def self.getPrevAudioFile(pid)
  Bplmodels::AudioFile.find_in_batches('is_preceding_audio_of_ssim'=>"info:fedora/#{pid}") do |group|
    group.each { |solr_object|
      return solr_object
    }
  end
  return nil
end

.getPrevDocumentFile(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 258

def self.getPrevDocumentFile(pid)
  Bplmodels::DocumentFile.find_in_batches('is_preceding_document_of_ssim'=>"info:fedora/#{pid}") do |group|
    group.each { |solr_object|
      return solr_object
    }
  end
  return nil
end

.getPrevEreaderFile(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 267

def self.getPrevEreaderFile(pid)
  Bplmodels::EReaderFile.find_in_batches('is_preceding_ereader_of_ssim'=>"info:fedora/#{pid}") do |group|
    group.each { |solr_object|
      return solr_object
    }
  end
  return nil
end

.getPrevImageFile(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 240

def self.getPrevImageFile(pid)
  Bplmodels::ImageFile.find_in_batches('is_preceding_image_of_ssim'=>"info:fedora/#{pid}") do |group|
    group.each { |solr_object|
      return solr_object
    }
  end
  return nil
end

.getUnprocessedDerivatives(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 287

def self.getUnprocessedDerivatives(pid)
  Bplmodels::File.find_in_batches('is_file_of_ssim'=>"info:fedora/#{pid}", 'derivative_processsed_ssi'=>'false') do |group|
    group.each { |solr_object|
      return solr_object
    }
  end
  return nil
end

.getVolumeObjects(pid) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 149

def self.getVolumeObjects(pid)
  return_list = []
  Bplmodels::Volume.find_in_batches('is_volume_of_ssim'=>"info:fedora/#{pid}") do |group|
    group.each { |solr_object|
      return_list << solr_object
    }
  end
  return sort_files(return_list)
end

.sort_files(file_list) ⇒ Object 



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# File 'lib/bplmodels/finder.rb', line 75

def self.sort_files(file_list)
  return file_list if file_list.length <= 1

  following_key_final = nil
  preceding_key_final = nil

  ending_item_pid = nil
  next_item_pid = nil

  return_list = []
  file_list.each do |file|
    preceding_key = file.keys.select { |key| key.include?'preceding'}
    following_key = file.keys.select { |key| key.include?'following'}

    if following_key.blank?
      return_list.insert(0, file)
      preceding_key_final = preceding_key.first
      next_item_pid = file[preceding_key_final].first
    elsif preceding_key.blank?
      following_key_final = following_key.first
      return_list.insert(-1, file)
      ending_item_pid  = "info:fedora/#{file['id']}"
    end
  end

  while next_item_pid != ending_item_pid
    next_item = file_list.select { |array| "info:fedora/#{array['id'].to_s}" == next_item_pid }.first
    return_list.insert(-2, next_item)
    next_item_pid = next_item[preceding_key_final].first.to_s
  end

  return return_list
end