Luan Martins
50 lines
2.0 KiB
Go
50 lines
2.0 KiB
Go
package move
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import (
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"errors"
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)
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// Stable classification sentinels for move validation. Error messages never
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// include option values because instructions may be sensitive user input.
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var (
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ErrConflictingInstructions = errors.New("entry options instructions conflict with legacy prompt")
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ErrEntryOptionsRequireStepChange = errors.New("entry options require a workflow step change")
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ErrEntryTargetUnavailable = errors.New("workflow move entry target has no session or auto-start")
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ErrEntryOptionsUnsupported = errors.New("workflow move entry options unsupported")
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ErrMoveConflict = errors.New("another workflow move is already pending")
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ErrPermanentPendingMoveMismatch = errors.New("pending workflow move is permanently invalid")
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// ErrPendingMoveActiveSession is transient: a deferred move must remain
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// queued until every session other than its source has stopped running.
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ErrPendingMoveActiveSession = errors.New("pending workflow move has another active session")
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)
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// ConflictingInstructionsError reports that the nested instructions and the
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// legacy prompt alias both supplied different values. It intentionally carries
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// no user-provided strings.
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type ConflictingInstructionsError struct{}
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func (ConflictingInstructionsError) Error() string {
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return ErrConflictingInstructions.Error()
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}
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func (ConflictingInstructionsError) Unwrap() error {
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return ErrConflictingInstructions
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}
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// EntryOptionsNotAllowedError reports that options were supplied for a move
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// which does not change workflow step. Change is a closed, non-sensitive enum.
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type EntryOptionsNotAllowedError struct {
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Change MoveChange
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}
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func (e EntryOptionsNotAllowedError) Error() string {
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if e.Change == MoveChangePositionOnly {
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return "entry options are not allowed for a position-only move"
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}
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return "entry options are not allowed for a move without a workflow step change"
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}
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func (EntryOptionsNotAllowedError) Unwrap() error {
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return ErrEntryOptionsRequireStepChange
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}
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