Class: CarrierWave::Mounter
- Inherits:
-
Object
- Object
- CarrierWave::Mounter
- Defined in:
- vendor/carrierwave/lib/carrierwave/mounter.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
-
#column ⇒ Object
readonly
:nodoc:.
-
#download_error ⇒ Object
readonly
:nodoc:.
-
#integrity_error ⇒ Object
readonly
:nodoc:.
-
#processing_error ⇒ Object
readonly
:nodoc:.
-
#record ⇒ Object
readonly
:nodoc:.
-
#remote_urls ⇒ Object
:nodoc:.
-
#remove ⇒ Object
Returns the value of attribute remove.
-
#uploader_options ⇒ Object
Returns the value of attribute uploader_options.
Instance Method Summary collapse
- #blank? ⇒ Boolean
- #blank_uploader ⇒ Object
- #cache(new_files) ⇒ Object
- #cache_names ⇒ Object
- #cache_names=(cache_names) ⇒ Object
- #identifiers ⇒ Object
-
#initialize(record, column, options = {}) ⇒ Mounter
constructor
A new instance of Mounter.
- #read_identifiers ⇒ Object
- #remove! ⇒ Object
- #remove? ⇒ Boolean
- #remove_previous(before = nil, after = nil) ⇒ Object
- #serialization_column ⇒ Object
- #store! ⇒ Object
- #uploader_class ⇒ Object
- #uploaders ⇒ Object
- #urls(*args) ⇒ Object
Constructor Details
#initialize(record, column, options = {}) ⇒ Mounter
Returns a new instance of Mounter.
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 9 def initialize(record, column, ={}) @record = record @column = column @options = record.class.[column] end |
Instance Attribute Details
#column ⇒ Object (readonly)
:nodoc:
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 6 def column @column end |
#download_error ⇒ Object (readonly)
:nodoc:
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 6 def download_error @download_error end |
#integrity_error ⇒ Object (readonly)
:nodoc:
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 6 def integrity_error @integrity_error end |
#processing_error ⇒ Object (readonly)
:nodoc:
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 6 def processing_error @processing_error end |
#record ⇒ Object (readonly)
:nodoc:
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 6 def record @record end |
#remote_urls ⇒ Object
:nodoc:
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 6 def remote_urls @remote_urls end |
#remove ⇒ Object
Returns the value of attribute remove.
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 7 def remove @remove end |
#uploader_options ⇒ Object
Returns the value of attribute uploader_options.
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 153 def @uploader_options end |
Instance Method Details
#blank? ⇒ Boolean
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 107 def blank? uploaders.none?(&:present?) end |
#blank_uploader ⇒ Object
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 19 def blank_uploader uploader_class.new(record, column) end |
#cache(new_files) ⇒ Object
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 39 def cache(new_files) return if not new_files or new_files == "" @uploaders = new_files.map do |new_file| uploader = blank_uploader uploader.cache!(new_file) uploader end @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_names ⇒ Object
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 57 def cache_names uploaders.map(&:cache_name).compact end |
#cache_names=(cache_names) ⇒ Object
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 61 def cache_names=(cache_names) return if not cache_names or cache_names == "" or uploaders.any?(&:cached?) @uploaders = cache_names.map do |cache_name| uploader = blank_uploader uploader.retrieve_from_cache!(cache_name) uploader end rescue CarrierWave::InvalidParameter end |
#identifiers ⇒ Object
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 23 def identifiers uploaders.map(&:identifier) end |
#read_identifiers ⇒ Object
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 27 def read_identifiers [record.read_uploader(serialization_column)].flatten.reject(&:blank?) end |
#remove! ⇒ Object
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 115 def remove! uploaders.reject(&:blank?).each(&:remove!) @uploaders = [] end |
#remove? ⇒ Boolean
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 111 def remove? remove.present? && remove !~ /\A0|false$\z/ end |
#remove_previous(before = nil, after = nil) ⇒ Object
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 124 def remove_previous(before=nil, after=nil) return unless before # both 'before' and 'after' can be string when 'mount_on' option is set before = before.reject(&:blank?).map do |value| if value.is_a?(String) uploader = blank_uploader uploader.retrieve_from_store!(value) uploader else value end end after_paths = after.reject(&:blank?).map do |value| if value.is_a?(String) uploader = blank_uploader uploader.retrieve_from_store!(value) uploader else value end.path end before.each do |uploader| if uploader.remove_previously_stored_files_after_update and not after_paths.include?(uploader.path) uploader.remove! end end end |
#serialization_column ⇒ Object
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 120 def serialization_column option(:mount_on) || column end |
#store! ⇒ Object
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 95 def store! if remove? remove! else uploaders.reject(&:blank?).each(&:store!) end end |
#uploader_class ⇒ Object
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 15 def uploader_class record.class.uploaders[column] end |
#uploaders ⇒ Object
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 31 def uploaders @uploaders ||= read_identifiers.map do |identifier| uploader = blank_uploader uploader.retrieve_from_store!(identifier) if identifier.present? uploader end end |
#urls(*args) ⇒ Object
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# File 'vendor/carrierwave/lib/carrierwave/mounter.rb', line 103 def urls(*args) uploaders.map { |u| u.url(*args) } end |