Class: KindleFS::Filesystem

Inherits:
FuseFS::FuseDir
  • Object
show all
Defined in:
lib/kindlefs/filesystem.rb

Constant Summary collapse

ROOT_PATH = 
/^\/$/
COLLECTIONS_PATH = 
/^\/collections$/.freeze
DOCUMENTS_PATH = 
/^\/documents$/.freeze
PICTURES_PATH = 
/^\/pictures$/.freeze
COLLECTION_NAME = 
/([A-Za-z0-9_\-\s'"\.]+)/i.freeze
COLLECTION_PATH = 
/^#{COLLECTIONS_PATH.strip}\/#{COLLECTION_NAME.strip}$/.freeze
DOCUMENT_NAME = 
/([A-Za-z0-9_\s,\.\[\]\(\)'&!\-]+\.(mobi|epub|rtf|pdf|azw|azw1)+)/i.freeze
COLLECTION_DOCUMENT_PATH = 
/^#{COLLECTIONS_PATH.strip}\/#{COLLECTION_NAME.strip}\/#{DOCUMENT_NAME.strip}$/.freeze
UNASSOCIATED_DOCUMENT_PATH = 
/^#{COLLECTIONS_PATH.strip}\/#{DOCUMENT_NAME.strip}$/.freeze
DOCUMENT_PATH = 
/^#{DOCUMENTS_PATH.strip}\/#{DOCUMENT_NAME.strip}$/.freeze

Instance Method Summary collapse

Instance Method Details

#can_delete?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kindlefs/filesystem.rb', line 83

def can_delete?(path)
  puts "can_delete? #{path}"
  case path
  when DOCUMENTS_PATH, PICTURES_PATH, COLLECTIONS_PATH
    false
  else
    true
  end
rescue Exception => e
  puts e
  false
end

#can_mkdir?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kindlefs/filesystem.rb', line 105

def can_mkdir?(path)
  puts "can_mkdir? #{path}"
  case path
  when COLLECTION_PATH
    true
  else
    false
  end
end

#can_rmdir?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kindlefs/filesystem.rb', line 115

def can_rmdir?(path)
  puts "can_rmdir #{path}"
  case path
  when COLLECTION_PATH
    true
  else
    false
  end
rescue Exception => e
  puts e
  false
end

#can_write?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kindlefs/filesystem.rb', line 96

def can_write?(path)
  puts "can_write? #{path}"
  if path !~ ROOT_PATH
    true
  else
    false
  end
end

#contents(path) ⇒ Object 



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# File 'lib/kindlefs/filesystem.rb', line 17

def contents path
  case path
  when ROOT_PATH
    [ 'collections', 'documents', 'pictures' ]
  when COLLECTIONS_PATH
    Rindle::Collection.all.map(&:name) + Rindle::Document.unassociated.map(&:filename)
  when DOCUMENTS_PATH
    Rindle::Document.all.map(&:filename)
  when COLLECTION_PATH
    collection = Rindle::Collection.first :named => $1
    collection.documents.map(&:filename)
  else
    []
  end
rescue Exception => e
  puts e
  false
end

#delete(path) ⇒ Object 



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# File 'lib/kindlefs/filesystem.rb', line 177

def delete path
  puts "delete #{path}"
  case path
  when COLLECTION_DOCUMENT_PATH
    col = Rindle::Collection.find_by_name $1
    doc = Rindle::Document.find_by_name $2
    col.remove doc
  when DOCUMENT_PATH, UNASSOCIATED_DOCUMENT_PATH
    doc = Rindle::Document.find_by_name $1
    doc.delete!
  end
  Rindle.save
  true
rescue Exception => e
  puts e
  false
end

#directory?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kindlefs/filesystem.rb', line 55

def directory?(path)
  case path
  when COLLECTIONS_PATH, DOCUMENTS_PATH, PICTURES_PATH
    true
  when COLLECTION_PATH
    col = Rindle::Collection.find_by_name $1
    !col.nil?
  else
    false
  end
rescue Exception => e
  puts e
  false
end

#executable?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kindlefs/filesystem.rb', line 70

def executable? path
  false
end

#file?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kindlefs/filesystem.rb', line 36

def file?(path)
  case path
  when DOCUMENT_PATH
    doc = Rindle::Document.find_by_name $1
    return !doc.nil?
  when COLLECTION_DOCUMENT_PATH
    col = Rindle::Collection.find_by_name $1
    doc = Rindle::Document.find_by_name $2
    return doc && col.include?(doc)
  when UNASSOCIATED_DOCUMENT_PATH
    doc = Rindle::Document.find_by_name $1
    return doc.collections.empty? if doc
  end
  false
rescue Exception => e
  puts e
  false
end

#mkdir(path) ⇒ Object 



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# File 'lib/kindlefs/filesystem.rb', line 146

def mkdir(path)
  puts "mkdir #{path}"
  if path =~ COLLECTION_PATH
    col = Rindle::Collection.find_by_name $1
    Rindle::Collection.create($1) if col.nil?
    Rindle.save
    true
  else
    false
  end
rescue Exception => e
  puts e
  false
end

#read_file(path) ⇒ Object 



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# File 'lib/kindlefs/filesystem.rb', line 261

def read_file path
  doc = Rindle::Document.find_by_name File.basename(path)
  doc.filename
rescue Exception => e
  puts "read file error: #{e}"
  ''
end

#rename(old, new) ⇒ Object 



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# File 'lib/kindlefs/filesystem.rb', line 195

def rename old, new
  case old
  when UNASSOCIATED_DOCUMENT_PATH
    doc = Rindle::Document.find_by_name $1
    if new =~ COLLECTION_DOCUMENT_PATH
      col = Rindle::Collection.find_by_name $1
      col.add doc
    end
    if doc and !doc.amazon?
      doc.rename! File.basename(new)
    else
      return false
    end
  when COLLECTION_DOCUMENT_PATH
    old_col = Rindle::Collection.find_by_name $1
    doc = Rindle::Document.find_by_name $2
    if new =~ COLLECTION_DOCUMENT_PATH
      new_col = Rindle::Collection.find_by_name $1
      unless old_col == new_col
        old_col.remove doc
        new_col.add doc
      end
      doc.rename! File.basename(new)
    else
      return false
    end
  when COLLECTION_PATH
    collection = Rindle::Collection.find_by_name $1
    if new =~ COLLECTION_PATH
      collection.rename! File.basename(new)
    else
      return false
    end
  else
    return false
  end
  Rindle.save
  true
rescue Exception => e
  puts e
  false
end

#rmdir(path) ⇒ Object 



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# File 'lib/kindlefs/filesystem.rb', line 161

def rmdir(path)
  puts "rmdir #{path}"
  if path =~ COLLECTION_PATH
    collection = Rindle::Collection.first :named => $1
    return false unless collection
    collection.destroy!
  else
    return false
  end
  Rindle.save
  true
rescue Exception => e
  puts e
  false
end

#size(path) ⇒ Object 



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# File 'lib/kindlefs/filesystem.rb', line 74

def size path
  puts "size #{path}"
  doc = Rindle::Document.find_by_name File.basename(path)
  File.size File.join(Rindle.root_path, doc.path)
rescue Exception => e
  puts e
  false
end

#touch(path, val = 0) ⇒ Object 



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# File 'lib/kindlefs/filesystem.rb', line 128

def touch(path, val = 0)
  puts "touch #{path}"
  filename = File.basename(path)
  case path
  when UNASSOCIATED_DOCUMENT_PATH, DOCUMENT_PATH
    doc = Rindle::Document.find_by_name $1
    doc = Rindle::Document.create $1 unless doc
    FileUtils.touch(File.join(Rindle.root_path, doc.path))
    Rindle.save
    true
  else
    false
  end
rescue Exception => e
  puts e
  false
end

#write_to(path, body) ⇒ Object 



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# File 'lib/kindlefs/filesystem.rb', line 238

def write_to path, body
  doc = Rindle::Document.find_by_name File.basename(path)
  if doc
    if path =~ COLLECTION_DOCUMENT_PATH
      col = Rindle::Collection.find_by_name $1
      col.add doc
    end
  else
    doc = Rindle::Document.create File.basename(path)
    File.open(File.join(Rindle.root_path, doc.path), 'w+') do |f|
      f.write body
    end
    if path =~ COLLECTION_DOCUMENT_PATH
      Rindle::Collection.find_by_name($1).add doc
    end
  end
  Rindle.save
  true
rescue Exception => e
  puts e
  false
end