File size: 5,012 Bytes
1c4c66b | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | package reconciler
import (
"fmt"
"github.com/samber/lo"
"github.com/openmeterio/openmeter/openmeter/billing"
"github.com/openmeterio/openmeter/openmeter/billing/charges"
chargesmeta "github.com/openmeterio/openmeter/openmeter/billing/charges/meta"
chargesusagebased "github.com/openmeterio/openmeter/openmeter/billing/charges/usagebased"
"github.com/openmeterio/openmeter/openmeter/billing/worker/subscriptionsync/service/persistedstate"
"github.com/openmeterio/openmeter/openmeter/billing/worker/subscriptionsync/service/targetstate"
"github.com/openmeterio/openmeter/openmeter/productcatalog"
"github.com/openmeterio/openmeter/pkg/timeutil"
)
type usageBasedChargeCollection struct {
chargePatchCollection
}
func newUsageBasedChargeCollection(preallocatedCapacity int) *usageBasedChargeCollection {
return &usageBasedChargeCollection{
chargePatchCollection: newChargePatchCollection(billing.LineEngineTypeChargeUsageBased, persistedstate.ItemTypeChargeUsageBased, preallocatedCapacity),
}
}
func (c *usageBasedChargeCollection) AddCreate(target targetstate.StateItem) error {
intent, err := newUsageBasedChargeIntent(target)
if err != nil {
return err
}
return c.addCreate(intent)
}
func (c *usageBasedChargeCollection) AddShrink(_ string, existing persistedstate.Item, target targetstate.StateItem) error {
if _, ok := existing.(persistedstate.UsageBasedChargeGetter); !ok {
return fmt.Errorf("existing item is not a usage based charge [item_type=%s,id=%s]", existing.Type(), existing.ID())
}
targetServicePeriod := target.GetServicePeriod()
patch, err := chargesmeta.NewPatchShrink(chargesmeta.NewPatchShrinkInput{
ChangeSource: billing.ChangeSourceSystem,
NewServicePeriodTo: targetServicePeriod.To,
NewFullServicePeriodTo: target.FullServicePeriod.To,
NewBillingPeriodTo: target.BillingPeriod.To,
NewInvoiceAt: target.GetInvoiceAt(),
})
if err != nil {
return err
}
return c.addPatch(existing.ID().ID, patch)
}
func (c *usageBasedChargeCollection) AddExtend(existing persistedstate.Item, target targetstate.StateItem) error {
if _, ok := existing.(persistedstate.UsageBasedChargeGetter); !ok {
return fmt.Errorf("existing item is not a usage based charge [item_type=%s,id=%s]", existing.Type(), existing.ID())
}
targetServicePeriod := target.GetServicePeriod()
patch, err := chargesmeta.NewPatchExtend(chargesmeta.NewPatchExtendInput{
ChangeSource: billing.ChangeSourceSystem,
NewServicePeriodTo: targetServicePeriod.To,
NewFullServicePeriodTo: target.FullServicePeriod.To,
NewBillingPeriodTo: target.BillingPeriod.To,
NewInvoiceAt: target.GetInvoiceAt(),
})
if err != nil {
return err
}
return c.addPatch(existing.ID().ID, patch)
}
func newUsageBasedChargeIntent(target targetstate.StateItem) (charges.ChargeIntent, error) {
rateCardMeta := target.Spec.RateCard.AsMeta()
price := rateCardMeta.Price
if price == nil {
return charges.ChargeIntent{}, fmt.Errorf("price is required for usage based charge")
}
// Copy unit_config too, not just price/discounts: if it is dropped here a
// subscription-created charge silently rates the raw metered quantity. Clone so the
// intent does not alias the spec.
var unitConfig *productcatalog.UnitConfig
if rateCardMeta.UnitConfig != nil {
unitConfig = lo.ToPtr(rateCardMeta.UnitConfig.Clone())
}
annotations, err := target.SubscriptionItem.Annotations.Clone()
if err != nil {
return charges.ChargeIntent{}, err
}
return charges.NewChargeIntent(chargesusagebased.Intent{
Intent: chargesmeta.Intent{
ManagedBy: billing.SubscriptionManagedLine,
CustomerID: target.Subscription.CustomerId,
Annotations: annotations,
Currency: target.CurrencyCalculator.Details().Code,
UniqueReferenceID: &target.UniqueID,
TaxConfig: productcatalog.TaxCodeConfigFrom(rateCardMeta.TaxConfig),
Subscription: &chargesmeta.SubscriptionReference{
SubscriptionID: target.Subscription.ID,
PhaseID: target.PhaseID,
ItemID: target.SubscriptionItem.ID,
},
},
IntentMutableFields: chargesusagebased.IntentMutableFields{
IntentMutableFields: chargesmeta.IntentMutableFields{
Name: rateCardMeta.Name,
Description: rateCardMeta.Description,
Metadata: target.SubscriptionItem.Metadata.Clone(),
ServicePeriod: target.GetServicePeriod(),
FullServicePeriod: timeutil.ClosedPeriod{
From: target.FullServicePeriod.From,
To: target.FullServicePeriod.To,
},
BillingPeriod: timeutil.ClosedPeriod{
From: target.BillingPeriod.From,
To: target.BillingPeriod.To,
},
},
InvoiceAt: target.GetInvoiceAt(),
Price: *price,
Discounts: billing.DiscountsFromProductCatalog(rateCardMeta.Discounts).UpsertCorrelationIDs(),
UnitConfig: unitConfig,
},
SettlementMode: target.Subscription.SettlementMode,
FeatureKey: lo.FromPtr(rateCardMeta.FeatureKey),
}), nil
}
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