Class: MongoidExt::FileList

Inherits:
EmbeddedHash show all
Defined in:
lib/mongoid_ext/file_list.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from EmbeddedHash

allocate, #assign_id, field, #id, #initialize

Constructor Details

This class inherits a constructor from EmbeddedHash

Instance Attribute Details

#list_name ⇒ Object

Returns the value of attribute list_name.



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# File 'lib/mongoid_ext/file_list.rb', line 4

def list_name
  @list_name
end

#parent_document ⇒ Object

Returns the value of attribute parent_document.



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

def parent_document
  @parent_document
end

Class Method Details

.demongoize(v) ⇒ Object 



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# File 'lib/mongoid_ext/file_list.rb', line 87

def self.demongoize(v)
  return if v.nil?

  doc = self.class.new
  v.each do |k,v|
    doc[k] = MongoidExt::File.new(v)
  end

  doc
end

.mongoize(v) ⇒ Object 



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# File 'lib/mongoid_ext/file_list.rb', line 83

def self.mongoize(v)
  Hash[v]
end

Instance Method Details

#delete(id) ⇒ Object 



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# File 'lib/mongoid_ext/file_list.rb', line 69

def delete(id)
  mark_parent!

  file = self.get(id)
  super(id)
  file.delete
end

#destroy_files ⇒ Object 



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# File 'lib/mongoid_ext/file_list.rb', line 77

def destroy_files
  each_file do |id, file|
    get(id).delete
  end
end

#each_file(&block) ⇒ Object 



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# File 'lib/mongoid_ext/file_list.rb', line 31

def each_file(&block)
  (self.keys-["_id"]).each do |key|
    file = self.get(key)
    yield key, file
  end
end

#files ⇒ Object 



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

def files
  ids = self.keys
  ids.delete("_id")
  ids.map {|v| get(v) }
end

#get(id) ⇒ Object 



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# File 'lib/mongoid_ext/file_list.rb', line 38

def get(id)
  mark_parent!

  if id.kind_of?(MongoidExt::File)
    self[id.id] = id
    return id
  end

  id = id.to_s.gsub(".", "_")
  file = self[id]

  if file.nil?
    file = self[id] = MongoidExt::File.new
  elsif !file.kind_of?(MongoidExt::File) && file.kind_of?(::Hash)
    file = self[id] = MongoidExt::File.new(file)
  end

  file._root_document = parent_document
  file._list_name = self.list_name
  file
end

#mark_parent! ⇒ Object 



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# File 'lib/mongoid_ext/file_list.rb', line 98

def mark_parent!
  parent_document.send("#{list_name}_will_change!")
end

#put(id, io, metadata = {}) ⇒ Object 



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# File 'lib/mongoid_ext/file_list.rb', line 6

def put(id, io, metadata = {})
  mark_parent!

  if !parent_document.new_record?
    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/mongoid_ext/file_list.rb', line 60

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