Class: ActiveStorage::Service::DiskService

Inherits:
ActiveStorage::Service show all
Defined in:
lib/active_storage/service/disk_service.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from ActiveStorage::Service

configure

Constructor Details

#initialize(root:) ⇒ DiskService

Returns a new instance of DiskService.



8
9
10
 
# File 'lib/active_storage/service/disk_service.rb', line 8

def initialize(root:)
  @root = root
end

Instance Attribute Details

#root ⇒ Object (readonly)

Returns the value of attribute root.



6
7
8
 
# File 'lib/active_storage/service/disk_service.rb', line 6

def root
  @root
end

Instance Method Details

#delete(key) ⇒ Object 



34
35
36
 
# File 'lib/active_storage/service/disk_service.rb', line 34

def delete(key)
  File.delete path_for(key) rescue Errno::ENOENT # Ignore files already deleted
end

#download(key) ⇒ Object 



22
23
24
25
26
27
28
29
30
31
32
 
# File 'lib/active_storage/service/disk_service.rb', line 22

def download(key)
  if block_given?
    File.open(path_for(key)) do |file|
      while data = file.read(64.kilobytes)
        yield data
      end
    end
  else
    File.open path_for(key), &:read
  end
end

#exist?(key) ⇒ Boolean

Returns:

  • (Boolean) 


38
39
40
 
# File 'lib/active_storage/service/disk_service.rb', line 38

def exist?(key)
  File.exist? path_for(key)
end

#upload(key, io, checksum: nil) ⇒ Object 



12
13
14
15
16
17
18
19
20
 
# File 'lib/active_storage/service/disk_service.rb', line 12

def upload(key, io, checksum: nil)
  File.open(make_path_for(key), "wb") do |file|
    while chunk = io.read(64.kilobytes)
      file.write(chunk)
    end
  end

  ensure_integrity_of(key, checksum) if checksum
end

#url(key, expires_in:, disposition:, filename:) ⇒ Object 



42
43
44
45
46
47
48
49
50
 
# File 'lib/active_storage/service/disk_service.rb', line 42

def url(key, expires_in:, disposition:, filename:)
  verified_key_with_expiration = ActiveStorage::VerifiedKeyWithExpiration.encode(key, expires_in: expires_in)

  if defined?(Rails) && defined?(Rails.application)
    Rails.application.routes.url_helpers.rails_disk_blob_path(verified_key_with_expiration, disposition: disposition)
  else
    "/rails/blobs/#{verified_key_with_expiration}?disposition=#{disposition}"
  end
end