Module: Paperclip::Storage::Fog

Defined in:
lib/paperclip/storage/fog.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(base) ⇒ Object 



5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
# File 'lib/paperclip/storage/fog.rb', line 5

def self.extended base
  begin
    require 'fog'
  rescue LoadError => e
    e.message << " (You may need to install the fog gem)"
    raise e
  end unless defined?(Fog)

  base.instance_eval do
    @fog_directory    = @options[:fog_directory]
    @fog_credentials  = @options[:fog_credentials]
    @fog_host         = @options[:fog_host]
    @fog_public       = @options[:fog_public]

    @url = ':fog_public_url'
    Paperclip.interpolates(:fog_public_url) do |attachment, style|
      attachment.public_url(style)
    end unless Paperclip::Interpolations.respond_to? :fog_public_url
  end
end

Instance Method Details

#exists?(style = default_style) ⇒ Boolean

Returns:

  • (Boolean) 


26
27
28
29
30
31
32
 
# File 'lib/paperclip/storage/fog.rb', line 26

def exists?(style = default_style)
  if original_filename
    !!directory.files.head(path(style))
  else
    false
  end
end

#flush_deletes ⇒ Object 



46
47
48
49
50
51
52
 
# File 'lib/paperclip/storage/fog.rb', line 46

def flush_deletes
  for path in @queued_for_delete do
    log("deleting #{path}")
    directory.files.new(:key => path).destroy
  end
  @queued_for_delete = []
end

#flush_writes ⇒ Object 



34
35
36
37
38
39
40
41
42
43
44
 
# File 'lib/paperclip/storage/fog.rb', line 34

def flush_writes
  for style, file in @queued_for_write do
    log("saving #{path(style)}")
    directory.files.create(
      :body   => file,
      :key    => path(style),
      :public => @fog_public
    )
  end
  @queued_for_write = {}
end

#public_url(style = default_style) ⇒ Object 



72
73
74
75
76
77
78
 
# File 'lib/paperclip/storage/fog.rb', line 72

def public_url(style = default_style)
  if @fog_host
    "#{@fog_host}/#{path(style)}"
  else
    directory.files.new(:key => path(style)).public_url
  end
end

#to_file(style = default_style) ⇒ Object

Returns representation of the data of the file assigned to the given style, in the format most representative of the current storage.



56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
 
# File 'lib/paperclip/storage/fog.rb', line 56

def to_file(style = default_style)
  if @queued_for_write[style]
    @queued_for_write[style]
  else
    body      = directory.files.get(path(style)).body
    filename  = path(style)
    extname   = File.extname(filename)
    basename  = File.basename(filename, extname)
    file      = Tempfile.new([basename, extname])
    file.binmode
    file.write(body)
    file.rewind
    file
  end
end