require 'arvados/keep'
require 'sweep_trashed_collections'
+require 'trashable'
class Collection < ArvadosModel
extend CurrentApiClient
include HasUuid
include KindAndEtag
include CommonApiTemplate
+ include Trashable
serialize :properties, Hash
- before_validation :set_validation_timestamp
before_validation :default_empty_manifest
before_validation :check_encoding
before_validation :check_manifest_validity
before_validation :check_signatures
before_validation :strip_signatures_and_update_replication_confirmed
- before_validation :ensure_trash_at_not_in_past
- before_validation :sync_trash_state
- before_validation :default_trash_interval
validate :ensure_pdh_matches_manifest_text
- validate :validate_trash_and_delete_timing
before_save :set_file_names
- # Query only untrashed collections by default.
- default_scope { where("is_trashed = false") }
-
api_accessible :user, extend: :common do |t|
t.add :name
t.add :description
super
end
- # Use a single timestamp for all validations, even though each
- # validation runs at a different time.
- def set_validation_timestamp
- @validation_timestamp = db_current_time
- end
-
- # If trash_at is being changed to a time in the past, change it to
- # now. This allows clients to say "expires {client-current-time}"
- # without failing due to clock skew, while avoiding odd log entries
- # like "expiry date changed to {1 year ago}".
- def ensure_trash_at_not_in_past
- if trash_at_changed? && trash_at
- self.trash_at = [@validation_timestamp, trash_at].max
- end
- end
-
- # Caller can move into/out of trash by setting/clearing is_trashed
- # -- however, if the caller also changes trash_at, then any changes
- # to is_trashed are ignored.
- def sync_trash_state
- if is_trashed_changed? && !trash_at_changed?
- if is_trashed
- self.trash_at = @validation_timestamp
- else
- self.trash_at = nil
- self.delete_at = nil
- end
- end
- self.is_trashed = trash_at && trash_at <= @validation_timestamp || false
- true
- end
-
- def default_trash_interval
- if trash_at_changed? && !delete_at_changed?
- # If trash_at is updated without touching delete_at,
- # automatically update delete_at to a sensible value.
- if trash_at.nil?
- self.delete_at = nil
- else
- self.delete_at = trash_at + Rails.configuration.default_trash_lifetime.seconds
- end
- elsif !trash_at || !delete_at || trash_at > delete_at
- # Not trash, or bogus arguments? Just validate in
- # validate_trash_and_delete_timing.
- elsif delete_at_changed? && delete_at >= trash_at
- # Fix delete_at if needed, so it's not earlier than the expiry
- # time on any permission tokens that might have been given out.
-
- # In any case there are no signatures expiring after now+TTL.
- # Also, if the existing trash_at time has already passed, we
- # know we haven't given out any signatures since then.
- earliest_delete = [
- @validation_timestamp,
- trash_at_was,
- ].compact.min + Rails.configuration.blob_signature_ttl.seconds
-
- # The previous value of delete_at is also an upper bound on the
- # longest-lived permission token. For example, if TTL=14,
- # trash_at_was=now-7, delete_at_was=now+7, then it is safe to
- # set trash_at=now+6, delete_at=now+8.
- earliest_delete = [earliest_delete, delete_at_was].compact.min
-
- # If delete_at is too soon, use the earliest possible time.
- if delete_at < earliest_delete
- self.delete_at = earliest_delete
- end
- end
- end
-
- def validate_trash_and_delete_timing
- if trash_at.nil? != delete_at.nil?
- errors.add :delete_at, "must be set if trash_at is set, and must be nil otherwise"
- elsif delete_at && delete_at < trash_at
- errors.add :delete_at, "must not be earlier than trash_at"
- end
- true
- end
end
projects / arvados.git / blobdiff