module ActiveScaffold::Bridges::ActiveStorage::ActiveStorageBridgeHelpers
Public Class Methods
active_storage_has_many_fields(klass)
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has_many :“#{name}_attachments”, -> { where(name: name) }, as: :record, class_name: “ActiveStorage::Attachment”, inverse_of: :record, dependent: false do
# File lib/active_scaffold/bridges/active_storage/active_storage_helpers.rb, line 12 def active_storage_has_many_fields(klass) klass.reflect_on_all_associations(:has_many)&.select { |reflection| reflection.class_name == 'ActiveStorage::Attachment' } &.collect { |association| association.name[0..-13] } || [] end
active_storage_has_one_fields(klass)
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has_one :“#{name}_attachment”, -> { where(name: name) }, class_name: “ActiveStorage::Attachment”, as: :record, inverse_of: :record, dependent: false
# File lib/active_scaffold/bridges/active_storage/active_storage_helpers.rb, line 7 def active_storage_has_one_fields(klass) klass.reflect_on_all_associations(:has_one)&.select { |reflection| reflection.class_name == 'ActiveStorage::Attachment' } &.collect { |association| association.name[0..-12] } || [] end
generate_delete_helpers(klass)
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# File lib/active_scaffold/bridges/active_storage/active_storage_helpers.rb, line 20 def generate_delete_helpers(klass) (active_storage_has_one_fields(klass) | active_storage_has_many_fields(klass)).each do |field| klass.send :class_eval, <<-CODE, __FILE__, __LINE__ + 1 unless klass.method_defined?(:"#{field}_with_delete=") attr_reader :delete_#{field} def delete_#{field}=(value) value = (value=="true") if String===value return unless value # passing nil to the file column causes the file to be deleted. self.#{field}.purge end CODE end end
klass_has_active_storage_fields?(klass)
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# File lib/active_scaffold/bridges/active_storage/active_storage_helpers.rb, line 16 def klass_has_active_storage_fields?(klass) active_storage_has_one_fields(klass).present? || active_storage_has_many_fields(klass).present? end
Public Instance Methods
active_storage_has_many_fields()
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# File lib/active_scaffold/bridges/active_storage/active_storage_helpers.rb, line 41 def active_storage_has_many_fields @active_storage_has_many_fields ||= ActiveStorageBridgeHelpers.active_storage_has_many_fields(self) end
active_storage_has_one_fields()
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# File lib/active_scaffold/bridges/active_storage/active_storage_helpers.rb, line 37 def active_storage_has_one_fields @active_storage_has_one_fields ||= ActiveStorageBridgeHelpers.active_storage_has_one_fields(self) end
generate_delete_helpers()
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# File lib/active_scaffold/bridges/active_storage/active_storage_helpers.rb, line 45 def generate_delete_helpers ActiveStorageBridgeHelpers.generate_delete_helpers(self) end