Class: CarrierWave::Storage::NoBrainer::File

Inherits:
Object
  • Object
show all
Defined in:
lib/carrierwave/storage/nobrainer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(uploader, base, path) ⇒ File

Returns a new instance of File.



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# File 'lib/carrierwave/storage/nobrainer.rb', line 154

def initialize(uploader, base, path)
  @uploader, @base, @path, @content_type = uploader, base, path, nil
end

Instance Attribute Details

#path ⇒ Object (readonly)

Current local path to file

Returns

String

a path to file



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# File 'lib/carrierwave/storage/nobrainer.rb', line 100

def path
  @path
end

Instance Method Details

#content_type ⇒ Object

Lookup value for file content-type header

Returns

String

value of content-type



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# File 'lib/carrierwave/storage/nobrainer.rb', line 109

def content_type
  @content_type || file.try(:content_type)
end

#delete ⇒ Object

Removes the file from the filesystem.



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# File 'lib/carrierwave/storage/nobrainer.rb', line 116

def delete
  criteria = storage_place_from(path).where(path: path).without_ordering

  return unless criteria.present?

  criteria.first.delete

  @content_type = nil
  @file = nil
  @path = nil
end

#exists? ⇒ Boolean

Check if the file exists on the remote service

Returns

Boolean

true if file exists or false

Returns:

  • (Boolean) 


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# File 'lib/carrierwave/storage/nobrainer.rb', line 185

def exists?
  !!file
end

#file ⇒ Object

lookup file

Returns

NoBrainer::Document

file data from RethinkDB



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# File 'lib/carrierwave/storage/nobrainer.rb', line 135

def file
  return nil unless path

  storage_place_from(path).where(path: path).without_ordering.first
end

#filename ⇒ Object

Return file name, if available

Returns

String

file name

or
NilClass

no file name available



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# File 'lib/carrierwave/storage/nobrainer.rb', line 150

def filename
  ::File.basename(file.path)
end

#read ⇒ Object

Read content of file from service

Returns

String

contents of file



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# File 'lib/carrierwave/storage/nobrainer.rb', line 164

def read
  file && file.body
end

#size ⇒ Object

Return size of file body

Returns

Integer

size of file body



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# File 'lib/carrierwave/storage/nobrainer.rb', line 175

def size
  file.nil? ? 0 : file.body.length
end

#store(new_file) ⇒ Object

Write file to service

Returns

Boolean

true on success or raises error



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# File 'lib/carrierwave/storage/nobrainer.rb', line 195

def store(new_file)
  nobrainer_file = new_file.file.body if new_file.is_a?(self.class)
  nobrainer_file ||= new_file.to_file.read

  @content_type ||= new_file.content_type

  @file = storage_place_for(new_file).where(path: path).first_or_create(
    content_type: new_file.content_type,
    body: nobrainer_file
  )

  @file.save!

  true
end