Class: Milton::Storage::DiskFile

Inherits:
StoredFile show all
Defined in:
lib/milton/storage/disk_file.rb

Overview

How Milton deals with a file stored on disk…

Instance Attribute Summary

Attributes inherited from StoredFile

#filename, #id, #options

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from StoredFile

adapter, #clone, create, #initialize, sanitize_filename

Constructor Details

This class inherits a constructor from Milton::Storage::StoredFile

Class Method Details

.recreate_directory(directory, options) ⇒ Object

Creates the given directory and sets it to the mode given in options



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# File 'lib/milton/storage/disk_file.rb', line 10

def recreate_directory(directory, options)
  return true if File.exists?(directory)
  FileUtils.mkdir_p(directory)
  File.chmod(options[:storage_options][:chmod], directory)
end

Instance Method Details

#copy(destination) ⇒ Object

Copies this file to the given location on disk.



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# File 'lib/milton/storage/disk_file.rb', line 50

def copy(destination)
  Milton.log "copying #{path} to #{destination}"
  FileUtils.cp(path, destination)
end

#destroy ⇒ Object

Removes the file from the underlying file system and any derivatives of the file.



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# File 'lib/milton/storage/disk_file.rb', line 44

def destroy
  Milton.log "destroying path #{dirname}"
  FileUtils.rm_rf dirname if File.exists?(dirname)
end

#dirname ⇒ Object

Returns the full directory path up to the file, w/o the filename.



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# File 'lib/milton/storage/disk_file.rb', line 25

def dirname
  File.join(root_path, partitioned_path)
end

#exists? ⇒ Boolean

Returns true if the file exists on the underlying file system.

Returns:

  • (Boolean) 


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# File 'lib/milton/storage/disk_file.rb', line 30

def exists?
  File.exist?(path)
end

#mime_type ⇒ Object

Returns the mime type of the file.



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# File 'lib/milton/storage/disk_file.rb', line 56

def mime_type
  Milton.syscall("file -Ib #{path}").gsub(/\n/,"")
end

#path ⇒ Object

Returns the full path and filename to the file with the given options. If no options are given then returns the path and filename to the original file.



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# File 'lib/milton/storage/disk_file.rb', line 20

def path
  File.join(dirname, filename)
end

#store(source) ⇒ Object

Writes the given source file to this file’s path.



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# File 'lib/milton/storage/disk_file.rb', line 35

def store(source)
  Milton.log "storing #{source} to disk at #{path}"
  self.class.recreate_directory(dirname, options)
  File.cp(source, path)
  File.chmod(options[:storage_options][:chmod], path)
end