Class: CarrierWave::Mount::Mounter

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

Overview

this is an internal class, used by CarrierWave::Mount so that we don’t pollute the model with a lot of methods.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(record, column, options = {}) ⇒ Mounter

Returns a new instance of Mounter.



263
264
265
266
267
 
# File 'lib/carrierwave/mount.rb', line 263

def initialize(record, column, options={})
  @record = record
  @column = column
  @options = record.class.uploader_options[column]
end

Instance Attribute Details

#column ⇒ Object (readonly)

:nodoc:



260
261
262
 
# File 'lib/carrierwave/mount.rb', line 260

def column
  @column
end

#integrity_error ⇒ Object (readonly)

:nodoc:



260
261
262
 
# File 'lib/carrierwave/mount.rb', line 260

def integrity_error
  @integrity_error
end

#processing_error ⇒ Object (readonly)

:nodoc:



260
261
262
 
# File 'lib/carrierwave/mount.rb', line 260

def processing_error
  @processing_error
end

#record ⇒ Object (readonly)

:nodoc:



260
261
262
 
# File 'lib/carrierwave/mount.rb', line 260

def record
  @record
end

#remote_url ⇒ Object

:nodoc:



260
261
262
 
# File 'lib/carrierwave/mount.rb', line 260

def remote_url
  @remote_url
end

#remove ⇒ Object

Returns the value of attribute remove.



261
262
263
 
# File 'lib/carrierwave/mount.rb', line 261

def remove
  @remove
end

Instance Method Details

#blank? ⇒ Boolean

Returns:

  • (Boolean) 


332
333
334
 
# File 'lib/carrierwave/mount.rb', line 332

def blank?
  uploader.blank?
end

#cache(new_file) ⇒ Object 



290
291
292
293
294
295
296
297
298
299
300
 
# File 'lib/carrierwave/mount.rb', line 290

def cache(new_file)
  uploader.cache!(new_file)
  @integrity_error = nil
  @processing_error = nil
rescue CarrierWave::IntegrityError => e
  @integrity_error = e
  raise e unless option(:ignore_integrity_errors)
rescue CarrierWave::ProcessingError => e
  @processing_error = e
  raise e unless option(:ignore_processing_errors)
end

#cache_name ⇒ Object 



302
303
304
 
# File 'lib/carrierwave/mount.rb', line 302

def cache_name
  uploader.cache_name
end

#cache_name=(cache_name) ⇒ Object 



306
307
308
309
 
# File 'lib/carrierwave/mount.rb', line 306

def cache_name=(cache_name)
  uploader.retrieve_from_cache!(cache_name) unless uploader.cached?
rescue CarrierWave::InvalidParameter
end

#identifier ⇒ Object 



277
278
279
 
# File 'lib/carrierwave/mount.rb', line 277

def identifier
  record.read_uploader(serialization_column)
end

#remove! ⇒ Object 



340
341
342
 
# File 'lib/carrierwave/mount.rb', line 340

def remove!
  uploader.remove!
end

#remove? ⇒ Boolean

Returns:

  • (Boolean) 


336
337
338
 
# File 'lib/carrierwave/mount.rb', line 336

def remove?
  !remove.blank? and remove !~ /\A0|false$\z/
end

#store! ⇒ Object 



318
319
320
321
322
323
324
325
326
 
# File 'lib/carrierwave/mount.rb', line 318

def store!
  unless uploader.blank?
    if remove?
      uploader.remove!
    else
      uploader.store!
    end
  end
end

#uploader ⇒ Object 



281
282
283
284
285
286
287
288
 
# File 'lib/carrierwave/mount.rb', line 281

def uploader
  @uploader ||= record.class.uploaders[column].new(record, column)

  if @uploader.blank? and not identifier.blank?
    @uploader.retrieve_from_store!(identifier)
  end
  return @uploader
end

#url(*args) ⇒ Object 



328
329
330
 
# File 'lib/carrierwave/mount.rb', line 328

def url(*args)
  uploader.url(*args)
end

#write_identifier ⇒ Object 



269
270
271
272
273
274
275
 
# File 'lib/carrierwave/mount.rb', line 269

def write_identifier
  if remove?
    record.write_uploader(serialization_column, '')
  elsif not uploader.identifier.blank?
    record.write_uploader(serialization_column, uploader.identifier)
  end
end