activestorage/lib/active_storage/errors.rb


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# frozen_string_literal: true

module ActiveStorage
  # Generic base class for all Active Storage exceptions.
  class Error < StandardError; end

  # Raised when ActiveStorage::Blob#variant is called on a blob that isn't variable.
  # Use ActiveStorage::Blob#variable? to determine whether a blob is variable.
  class InvariableError < Error; end

  # Raised when ActiveStorage::Blob#preview is called on a blob that isn't previewable.
  # Use ActiveStorage::Blob#previewable? to determine whether a blob is previewable.
  class UnpreviewableError < Error; end

  # Raised when ActiveStorage::Blob#representation is called on a blob that isn't representable.
  # Use ActiveStorage::Blob#representable? to determine whether a blob is representable.
  class UnrepresentableError < Error; end

  # Raised when uploaded or downloaded data does not match a precomputed checksum.
  # Indicates that a network error or a software bug caused data corruption.
  class IntegrityError < Error; end
end