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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| package patch | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "time" | ||
|
|
||
| "github.com/openmeterio/openmeter/openmeter/subscription" | ||
| "github.com/openmeterio/openmeter/pkg/datex" | ||
| ) | ||
|
|
||
| type timeRelation int | ||
|
|
||
| const ( | ||
| isCurrentPhase timeRelation = iota | ||
| isFuturePhase | ||
| ) | ||
|
|
||
| // Helper utility to get a given phase and determine its relation to the current phase | ||
| type phaseContentHelper struct { | ||
| spec subscription.SubscriptionSpec | ||
| actx subscription.ApplyContext | ||
| } | ||
|
|
||
| func (p phaseContentHelper) GetPhaseForEdit(phaseKey string) (*subscription.SubscriptionPhaseSpec, timeRelation, error) { | ||
| phase, ok := p.spec.Phases[phaseKey] | ||
| if !ok { | ||
| return nil, 0, &subscription.PatchConflictError{Msg: fmt.Sprintf("phase %s not found", phaseKey)} | ||
| } | ||
|
|
||
| phaseStartTime, _ := phase.StartAfter.AddTo(p.spec.ActiveFrom) | ||
|
|
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| // 1. You cannot add items to previous phases | ||
| currentPhase, exists := p.spec.GetCurrentPhaseAt(p.actx.CurrentTime) | ||
| if !exists { | ||
| // If the current phase doesn't exist then either all phases are in the past or in the future | ||
| // If all phases are in the past then no addition is possible | ||
| // If all phases are in the past then the selected one is also in the past | ||
| if st, _ := phase.StartAfter.AddTo(p.spec.ActiveFrom); st.Before(p.actx.CurrentTime) { | ||
| return nil, 0, &subscription.PatchForbiddenError{Msg: fmt.Sprintf("cannot change contents of phase %s which starts before current phase", phaseKey)} | ||
| } else { | ||
| return phase, isFuturePhase, nil | ||
| } | ||
| } else { | ||
| currentPhaseStartTime, _ := currentPhase.StartAfter.AddTo(p.spec.ActiveFrom) | ||
|
|
||
| // If the selected phase is before the current phase, it's forbidden | ||
| if phaseStartTime.Before(currentPhaseStartTime) { | ||
| return nil, 0, &subscription.PatchForbiddenError{Msg: fmt.Sprintf("cannot change contents of phase %s which starts before current phase", phaseKey)} | ||
| } else if phase.PhaseKey == currentPhase.PhaseKey { | ||
| return phase, isCurrentPhase, nil | ||
| } else if phaseStartTime.After(currentPhaseStartTime) { | ||
| return phase, isFuturePhase, nil | ||
| } else { | ||
| return nil, 0, fmt.Errorf("didn't enter any logical branch") | ||
| } | ||
| } | ||
| } | ||
|
|
||
| type relativeCadenceHelper struct { | ||
| contentType string | ||
| phaseStartTime time.Time | ||
| phaseKey string | ||
| rel timeRelation | ||
| actx subscription.ApplyContext | ||
| } | ||
|
|
||
| func (r relativeCadenceHelper) ValidateRelativeCadence(c *subscription.CadenceOverrideRelativeToPhaseStart) error { | ||
| if r.rel == isCurrentPhase { | ||
| // 2. If it's added to the current phase, the specified start time cannot point to the past | ||
| if c.ActiveFromOverride != nil { | ||
| iST, _ := c.ActiveFromOverride.AddTo(r.phaseStartTime) | ||
| if iST.Before(r.actx.CurrentTime) { | ||
| return &subscription.PatchForbiddenError{Msg: fmt.Sprintf("cannot add %s to phase %s which would become active in the past at %s", r.contentType, r.phaseKey, iST)} | ||
| } | ||
| } else { | ||
| // 3. If it's added to the current phase, and start time is not specified, it will be set for the current time, as you cannot change the past | ||
| diff := datex.Between(r.phaseStartTime, r.actx.CurrentTime) | ||
| c.ActiveFromOverride = &diff | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } |
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