Class: S3TarBackup::Backend::FileBackend

Inherits:
Object
  • Object
show all
Defined in:
lib/s3_tar_backup/backend/file_backend.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ FileBackend

Returns a new instance of FileBackend.



11
12
13
 
# File 'lib/s3_tar_backup/backend/file_backend.rb', line 11

def initialize(path)
  @prefix = Pathname.new(path).absolute? ? path : File.expand_path(File.join('~', path))
end

Instance Attribute Details

#prefix ⇒ Object (readonly)

Returns the value of attribute prefix.



9
10
11
 
# File 'lib/s3_tar_backup/backend/file_backend.rb', line 9

def prefix
  @prefix
end

Instance Method Details

#download_item(relative_path, local_path) ⇒ Object 



27
28
29
 
# File 'lib/s3_tar_backup/backend/file_backend.rb', line 27

def download_item(relative_path, local_path)
  FileUtils.cp(File.join(@prefix, relative_path), local_path)
end

#item_exists?(relative_path) ⇒ Boolean

Returns:

  • (Boolean) 


23
24
25
 
# File 'lib/s3_tar_backup/backend/file_backend.rb', line 23

def item_exists?(relative_path)
  File.exists?(File.join(@prefix, relative_path))
end

#list_items(relative_path = '') ⇒ Object 



41
42
43
44
45
46
47
48
49
50
 
# File 'lib/s3_tar_backup/backend/file_backend.rb', line 41

def list_items(relative_path='')
  return [] unless File.directory?(File.join(@prefix, relative_path))
  relative_path = '.' if relative_path.nil? || relative_path.empty?
  Dir.chdir(@prefix) do
    Dir.entries(relative_path).select{ |x| File.file?(x) }.map do |x|
      path = File.join(relative_path, x)
      BackendObject.new(path, File.size?(path))
    end
  end
end

#name ⇒ Object 



15
16
17
 
# File 'lib/s3_tar_backup/backend/file_backend.rb', line 15

def name
  "File"
end

#remove_item(relative_path) ⇒ Object 



19
20
21
 
# File 'lib/s3_tar_backup/backend/file_backend.rb', line 19

def remove_item(relative_path)
  File.delete(File.join(@prefix, relative_path))
end

#upload_item(relative_path, local_path, remove_original) ⇒ Object 



31
32
33
34
35
36
37
38
39
 
# File 'lib/s3_tar_backup/backend/file_backend.rb', line 31

def upload_item(relative_path, local_path, remove_original)
  path = File.join(@prefix, relative_path)
  FileUtils.mkdir_p(File.dirname(path)) unless File.directory?(File.dirname(path))
  if remove_original
    FileUtils.mv(local_path, path)
  else
    FileUtils.cp(local_path, path)
  end
end