Class: MongoMapperExt::FileList

Inherits:
Hash
  • Object
show all
Defined in:
lib/mongomapper_ext/file_list.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#parent_document ⇒ Object

Returns the value of attribute parent_document.



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# File 'lib/mongomapper_ext/file_list.rb', line 3

def parent_document
  @parent_document
end

Class Method Details

.from_mongo(value) ⇒ Object 



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# File 'lib/mongomapper_ext/file_list.rb', line 14

def self.from_mongo(value)
  return value if value.kind_of?(self)

  result = FileList.new
  (value||{}).each do |k, v|
    result[k] = v.kind_of?(MongoMapperExt::File) ? v : MongoMapperExt::File.new(v)
  end

  result
end

.to_mongo(value) ⇒ Object 



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# File 'lib/mongomapper_ext/file_list.rb', line 5

def self.to_mongo(value)
  result = {}
  value.each do |k, v|
    result[k] = v.to_mongo
  end

  result
end

Instance Method Details

#destroy_files ⇒ Object 



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# File 'lib/mongomapper_ext/file_list.rb', line 64

def destroy_files
  self.delete_if do |id, file|
    file._parent_document = parent_document
    file.delete
  end
end

#files ⇒ Object 



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# File 'lib/mongomapper_ext/file_list.rb', line 42

def files
  self.values
end

#get(id) ⇒ Object 



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# File 'lib/mongomapper_ext/file_list.rb', line 46

def get(id)
  file = self[id]
  if file.nil?
    file = self[id] = MongoMapperExt::File.new
  end
  file._parent_document = parent_document
  file
end

#put(id, io, metadata = {}) ⇒ Object 



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# File 'lib/mongomapper_ext/file_list.rb', line 25

def put(id, io, metadata = {})
  if !parent_document.new?
    filename = id
    if io.respond_to?(:original_filename)
      filename = io.original_filename
    elsif io.respond_to?(:path) && io.path
      filename = ::File.basename(io.path)
    elsif io.kind_of?(String)
      io = StringIO.new(io)
    end

    get(id).put(filename, io, metadata)
  else
    (@_pending_files ||= {})[id] = [io, metadata]
  end
end

#sync_files ⇒ Object 



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# File 'lib/mongomapper_ext/file_list.rb', line 55

def sync_files
  if @_pending_files
    @_pending_files.each do |filename, data|
      put(filename, data[0], data[1])
    end
    @_pending_files = nil
  end
end