Carlos Florêncio
34 lines
1.0 KiB
Go
34 lines
1.0 KiB
Go
package models
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import (
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"errors"
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"fmt"
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)
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// ErrWIPLimitExceeded identifies a workflow-step capacity rejection.
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var ErrWIPLimitExceeded = errors.New("workflow step WIP limit exceeded")
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// ErrWorkflowStepNotFound reports that no workflow step row matched the supplied id.
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var ErrWorkflowStepNotFound = errors.New("workflow step not found")
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// WIPLimitError carries workflow-step capacity details while preserving
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// errors.Is(err, ErrWIPLimitExceeded) classification at service boundaries.
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type WIPLimitError struct {
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StepID string
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Limit int
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Occupied int
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}
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func (e *WIPLimitError) Error() string {
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return fmt.Sprintf("WIP limit exceeded for workflow step %s: limit %d already occupied (%d)", e.StepID, e.Limit, e.Occupied)
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}
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func (e *WIPLimitError) Unwrap() error {
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return ErrWIPLimitExceeded
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}
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// NewWIPLimitError constructs a typed capacity conflict for a workflow step.
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func NewWIPLimitError(stepID string, limit, occupied int) error {
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return &WIPLimitError{StepID: stepID, Limit: limit, Occupied: occupied}
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}
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