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package handlers |
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import ( |
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"context" |
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"encoding/json" |
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"fmt" |
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"github.com/NdoleStudio/httpsms/pkg/services" |
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"github.com/NdoleStudio/httpsms/pkg/telemetry" |
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"github.com/NdoleStudio/httpsms/pkg/validators" |
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lemonsqueezy "github.com/NdoleStudio/lemonsqueezy-go" |
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"github.com/davecgh/go-spew/spew" |
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"github.com/gofiber/fiber/v2" |
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"github.com/palantir/stacktrace" |
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) |
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// LemonsqueezyHandler handles lemonsqueezy events |
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type LemonsqueezyHandler struct { |
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handler |
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logger telemetry.Logger |
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tracer telemetry.Tracer |
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service *services.LemonsqueezyService |
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validator *validators.LemonsqueezyHandlerValidator |
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} |
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// NewLemonsqueezyHandler creates a new LemonsqueezyHandler |
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func NewLemonsqueezyHandler( |
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logger telemetry.Logger, |
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tracer telemetry.Tracer, |
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service *services.LemonsqueezyService, |
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validator *validators.LemonsqueezyHandlerValidator, |
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) (h *LemonsqueezyHandler) { |
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return &LemonsqueezyHandler{ |
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logger: logger.WithService(fmt.Sprintf("%T", h)), |
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tracer: tracer, |
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service: service, |
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validator: validator, |
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} |
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} |
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// RegisterRoutes registers the routes for the MessageHandler |
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func (h *LemonsqueezyHandler) RegisterRoutes(app *fiber.App, middlewares ...fiber.Handler) { |
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router := app.Group("lemonsqueezy") |
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router.Post("/event", h.computeRoute(middlewares, h.Event)...) |
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} |
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// Event consumes a lemonsqueezy event |
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// @Summary Consume a lemonsqueezy event |
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// @Description Publish a lemonsqueezy event to the registered listeners |
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// @Tags Lemonsqueezy |
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// @Accept json |
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// @Produce json |
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// @Success 204 {object} responses.NoContent |
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// @Failure 400 {object} responses.BadRequest |
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// @Failure 401 {object} responses.Unauthorized |
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// @Failure 422 {object} responses.UnprocessableEntity |
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// @Failure 500 {object} responses.InternalServerError |
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// @Router /lemonsqueezy/event [post] |
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func (h *LemonsqueezyHandler) Event(c *fiber.Ctx) error { |
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ctx, span, ctxLogger := h.tracer.StartFromFiberCtxWithLogger(c, h.logger) |
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defer span.End() |
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signature := c.Get("X-Signature") |
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if errors := h.validator.ValidateEvent(ctx, signature, c.Body()); len(errors) != 0 { |
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msg := fmt.Sprintf("validation errors [%s], while storing request [%s] and signature [%s]", spew.Sdump(errors), c.Body(), signature) |
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ctxLogger.Warn(stacktrace.NewError(msg)) |
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return h.responseUnprocessableEntity(c, errors, "validation errors while storing lemonsqueezy event") |
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} |
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if err := h.handleRequest(ctx, c); err != nil { |
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msg := fmt.Sprintf("cannot handle lemonsqueezy event [%s]", c.Body()) |
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ctxLogger.Error(stacktrace.Propagate(err, msg)) |
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return h.responseInternalServerError(c) |
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} |
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return h.responseNoContent(c, "event consumed successfully") |
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} |
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func (h *LemonsqueezyHandler) handleRequest(ctx context.Context, c *fiber.Ctx) error { |
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eventName := c.Get("X-Event-Name") |
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switch eventName { |
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case "subscription_created": |
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var request lemonsqueezy.WebhookRequestSubscription |
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err := json.Unmarshal(c.Body(), &request) |
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if err != nil { |
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return stacktrace.Propagate(err, fmt.Sprintf("cannot marshall [%s] to [%T]", c.Body(), request)) |
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} |
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return h.service.HandleSubscriptionCreatedEvent(ctx, c.OriginalURL(), &request) |
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case "subscription_cancelled": |
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var request lemonsqueezy.WebhookRequestSubscription |
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err := json.Unmarshal(c.Body(), &request) |
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if err != nil { |
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return stacktrace.Propagate(err, fmt.Sprintf("cannot marshall [%s] to [%T]", c.Body(), request)) |
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} |
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return h.service.HandleSubscriptionCanceledEvent(ctx, c.OriginalURL(), &request) |
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case "subscription_expired": |
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var request lemonsqueezy.WebhookRequestSubscription |
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err := json.Unmarshal(c.Body(), &request) |
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if err != nil { |
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return stacktrace.Propagate(err, fmt.Sprintf("cannot marshall [%s] to [%T]", c.Body(), request)) |
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} |
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return h.service.HandleSubscriptionExpiredEvent(ctx, c.OriginalURL(), &request) |
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case "subscription_updated": |
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var request lemonsqueezy.WebhookRequestSubscription |
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err := json.Unmarshal(c.Body(), &request) |
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if err != nil { |
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return stacktrace.Propagate(err, fmt.Sprintf("cannot marshall [%s] to [%T]", c.Body(), request)) |
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} |
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return h.service.HandleSubscriptionUpdatedEvent(ctx, c.OriginalURL(), &request) |
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default: |
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return stacktrace.NewError(fmt.Sprintf("invalid event [%s] received with request [%s]", eventName, c.Body())) |
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} |
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} |
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