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package services
import (
"context"
"fmt"
"strings"
"time"
"github.com/NdoleStudio/httpsms/pkg/repositories"
"github.com/NdoleStudio/httpsms/pkg/entities"
"github.com/NdoleStudio/httpsms/pkg/events"
"github.com/NdoleStudio/httpsms/pkg/telemetry"
"github.com/NdoleStudio/lemonsqueezy-go"
"github.com/palantir/stacktrace"
)
// LemonsqueezyService is responsible for managing lemonsqueezy events
type LemonsqueezyService struct {
service
logger telemetry.Logger
tracer telemetry.Tracer
eventDispatcher *EventDispatcher
userRepository repositories.UserRepository
}
// NewLemonsqueezyService creates a new LemonsqueezyService
func NewLemonsqueezyService(
logger telemetry.Logger,
tracer telemetry.Tracer,
repository repositories.UserRepository,
eventDispatcher *EventDispatcher,
) (s *LemonsqueezyService) {
return &LemonsqueezyService{
logger: logger.WithService(fmt.Sprintf("%T", s)),
tracer: tracer,
userRepository: repository,
eventDispatcher: eventDispatcher,
}
}
// GetUserID gets the user ID from the request
func (service *LemonsqueezyService) GetUserID(ctx context.Context, request *lemonsqueezy.WebhookRequestSubscription) (entities.UserID, error) {
ctx, span, ctxLogger := service.tracer.StartWithLogger(ctx, service.logger)
defer span.End()
userID, ok := request.Meta.CustomData["user_id"].(string)
if ok {
return entities.UserID(userID), nil
}
ctxLogger.Info(fmt.Sprintf("user_id not found in request meta data. Searching via email [%s]", request.Data.Attributes.UserEmail))
user, err := service.userRepository.LoadByEmail(ctx, request.Data.Attributes.UserEmail)
if err != nil {
msg := fmt.Sprintf("cannot load user with email [%s]", request.Data.Attributes.UserEmail)
return "", service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg))
}
return user.ID, nil
}
// HandleSubscriptionCreatedEvent handles the subscription_created lemonsqueezy event
func (service *LemonsqueezyService) HandleSubscriptionCreatedEvent(ctx context.Context, source string, request *lemonsqueezy.WebhookRequestSubscription) error {
ctx, span, ctxLogger := service.tracer.StartWithLogger(ctx, service.logger)
defer span.End()
userID, err := service.GetUserID(ctx, request)
if err != nil {
msg := fmt.Sprintf("cannot get user ID for subscription created event with ID [%s]", request.Data.ID)
return stacktrace.Propagate(err, msg)
}
payload := &events.UserSubscriptionCreatedPayload{
UserID: userID,
SubscriptionCreatedAt: request.Data.Attributes.CreatedAt,
SubscriptionID: request.Data.ID,
SubscriptionName: service.subscriptionName(request.Data.Attributes.VariantName),
SubscriptionRenewsAt: request.Data.Attributes.RenewsAt,
SubscriptionStatus: request.Data.Attributes.Status,
}
event, err := service.createEvent(events.UserSubscriptionCreated, source, payload)
if err != nil {
msg := fmt.Sprintf("cannot create [%s] event for user [%s]", events.UserSubscriptionCreated, payload.UserID)
return stacktrace.Propagate(err, msg)
}
if err = service.eventDispatcher.Dispatch(ctx, event); err != nil {
msg := fmt.Sprintf("cannot dispatch [%s] event for user [%s]", events.UserSubscriptionCreated, payload.UserID)
return stacktrace.Propagate(err, msg)
}
ctxLogger.Info(fmt.Sprintf("[%s] subscription [%s] created for user [%s]", payload.SubscriptionName, payload.SubscriptionID, payload.UserID))
return nil
}
// HandleSubscriptionCanceledEvent handles the subscription_cancelled lemonsqueezy event
func (service *LemonsqueezyService) HandleSubscriptionCanceledEvent(ctx context.Context, source string, request *lemonsqueezy.WebhookRequestSubscription) error {
ctx, span, ctxLogger := service.tracer.StartWithLogger(ctx, service.logger)
defer span.End()
user, err := service.userRepository.LoadBySubscriptionID(ctx, request.Data.ID)
if err != nil {
msg := fmt.Sprintf("cannot load user with subscription ID [%s]", request.Data.ID)
return stacktrace.Propagate(err, msg)
}
payload := &events.UserSubscriptionCancelledPayload{
UserID: user.ID,
SubscriptionCancelledAt: request.Data.Attributes.CreatedAt,
SubscriptionID: request.Data.ID,
SubscriptionName: service.subscriptionName(request.Data.Attributes.VariantName),
SubscriptionEndsAt: *request.Data.Attributes.EndsAt,
SubscriptionStatus: request.Data.Attributes.Status,
}
event, err := service.createEvent(events.UserSubscriptionCancelled, source, payload)
if err != nil {
msg := fmt.Sprintf("cannot created [%s] event for user [%s]", events.UserSubscriptionCancelled, payload.UserID)
return stacktrace.Propagate(err, msg)
}
if err = service.eventDispatcher.Dispatch(ctx, event); err != nil {
msg := fmt.Sprintf("cannot dispatch [%s] event for user [%s]", events.UserSubscriptionCancelled, payload.UserID)
return stacktrace.Propagate(err, msg)
}
ctxLogger.Info(fmt.Sprintf("[%s] subscription [%s] cancelled for user [%s]", payload.SubscriptionName, payload.SubscriptionID, payload.UserID))
return nil
}
// HandleSubscriptionUpdatedEvent handles the subscription_cancelled lemonsqueezy event
func (service *LemonsqueezyService) HandleSubscriptionUpdatedEvent(ctx context.Context, source string, request *lemonsqueezy.WebhookRequestSubscription) error {
ctx, span, ctxLogger := service.tracer.StartWithLogger(ctx, service.logger)
defer span.End()
user, err := service.userRepository.LoadBySubscriptionID(ctx, request.Data.ID)
if err != nil {
msg := fmt.Sprintf("cannot load user with subscription ID [%s]", request.Data.ID)
return stacktrace.Propagate(err, msg)
}
payload := &events.UserSubscriptionUpdatedPayload{
UserID: user.ID,
SubscriptionUpdatedAt: request.Data.Attributes.UpdatedAt,
SubscriptionID: request.Data.ID,
SubscriptionName: service.subscriptionName(request.Data.Attributes.VariantName),
SubscriptionEndsAt: request.Data.Attributes.EndsAt,
SubscriptionRenewsAt: request.Data.Attributes.RenewsAt,
SubscriptionStatus: request.Data.Attributes.Status,
}
event, err := service.createEvent(events.UserSubscriptionUpdated, source, payload)
if err != nil {
msg := fmt.Sprintf("cannot created [%s] event for user [%s]", events.UserSubscriptionUpdated, payload.UserID)
return stacktrace.Propagate(err, msg)
}
if err = service.eventDispatcher.Dispatch(ctx, event); err != nil {
msg := fmt.Sprintf("cannot dispatch [%s] event for user [%s]", event.Type(), payload.UserID)
return stacktrace.Propagate(err, msg)
}
ctxLogger.Info(fmt.Sprintf("[%s] subscription [%s] updated for user [%s]", payload.SubscriptionName, payload.SubscriptionID, payload.UserID))
return nil
}
// HandleSubscriptionExpiredEvent handles the subscription_expired lemonsqueezy event
func (service *LemonsqueezyService) HandleSubscriptionExpiredEvent(ctx context.Context, source string, request *lemonsqueezy.WebhookRequestSubscription) error {
ctx, span, ctxLogger := service.tracer.StartWithLogger(ctx, service.logger)
defer span.End()
user, err := service.userRepository.LoadBySubscriptionID(ctx, request.Data.ID)
if err != nil {
msg := fmt.Sprintf("cannot load user with subscription ID [%s]", request.Data.ID)
return stacktrace.Propagate(err, msg)
}
payload := &events.UserSubscriptionExpiredPayload{
UserID: user.ID,
SubscriptionExpiredAt: time.Now().UTC(),
SubscriptionID: request.Data.ID,
IsCancelled: request.Data.Attributes.Cancelled,
SubscriptionName: service.subscriptionName(request.Data.Attributes.VariantName),
SubscriptionEndsAt: *request.Data.Attributes.EndsAt,
SubscriptionStatus: request.Data.Attributes.Status,
}
event, err := service.createEvent(events.UserSubscriptionExpired, source, payload)
if err != nil {
msg := fmt.Sprintf("cannot created [%s] event for user [%s]", events.UserSubscriptionExpired, payload.UserID)
return stacktrace.Propagate(err, msg)
}
if err = service.eventDispatcher.Dispatch(ctx, event); err != nil {
msg := fmt.Sprintf("cannot dispatch [%s] event for user [%s]", event.Type(), payload.UserID)
return stacktrace.Propagate(err, msg)
}
ctxLogger.Info(fmt.Sprintf("[%s] subscription [%s] expired for user [%s]", payload.SubscriptionName, payload.SubscriptionID, payload.UserID))
return nil
}
func (service *LemonsqueezyService) subscriptionName(variant string) entities.SubscriptionName {
if strings.Contains(strings.ToLower(variant), "pro") {
if strings.Contains(strings.ToLower(variant), "monthly") {
return entities.SubscriptionNameProMonthly
}
return entities.SubscriptionNameProYearly
}
if strings.Contains(strings.ToLower(variant), "ultra") {
if strings.Contains(strings.ToLower(variant), "monthly") {
return entities.SubscriptionNameUltraMonthly
}
return entities.SubscriptionNameUltraYearly
}
if strings.Contains(strings.ToLower(variant), "20k") {
if strings.Contains(strings.ToLower(variant), "monthly") {
return entities.SubscriptionName20KMonthly
}
return entities.SubscriptionName20KYearly
}
if strings.Contains(strings.ToLower(variant), "100k") {
if strings.Contains(strings.ToLower(variant), "monthly") {
return entities.SubscriptionName100KMonthly
}
}
if strings.Contains(strings.ToLower(variant), "50k") {
if strings.Contains(strings.ToLower(variant), "monthly") {
return entities.SubscriptionName50KMonthly
}
}
if strings.Contains(strings.ToLower(variant), "200k") {
if strings.Contains(strings.ToLower(variant), "monthly") {
return entities.SubscriptionName200KMonthly
}
}
return entities.SubscriptionNameFree
}