|
| 1 | +package handlers |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "encoding/json" |
| 6 | + "fmt" |
| 7 | + |
| 8 | + "github.com/NdoleStudio/httpsms/pkg/services" |
| 9 | + "github.com/NdoleStudio/httpsms/pkg/telemetry" |
| 10 | + "github.com/NdoleStudio/httpsms/pkg/validators" |
| 11 | + lemonsqueezy "github.com/NdoleStudio/lemonsqueezy-go" |
| 12 | + "github.com/davecgh/go-spew/spew" |
| 13 | + "github.com/gofiber/fiber/v2" |
| 14 | + "github.com/palantir/stacktrace" |
| 15 | +) |
| 16 | + |
| 17 | +// LemonsqueezyHandler handles lemonsqueezy events |
| 18 | +type LemonsqueezyHandler struct { |
| 19 | + handler |
| 20 | + logger telemetry.Logger |
| 21 | + tracer telemetry.Tracer |
| 22 | + service *services.LemonsqueezyService |
| 23 | + validator *validators.LemonsqueezyHandlerValidator |
| 24 | +} |
| 25 | + |
| 26 | +// NewLemonsqueezyHandlerHandler creates a new LemonsqueezyHandler |
| 27 | +func NewLemonsqueezyHandlerHandler( |
| 28 | + logger telemetry.Logger, |
| 29 | + tracer telemetry.Tracer, |
| 30 | + service *services.LemonsqueezyService, |
| 31 | + validator *validators.LemonsqueezyHandlerValidator, |
| 32 | +) (h *LemonsqueezyHandler) { |
| 33 | + return &LemonsqueezyHandler{ |
| 34 | + logger: logger.WithService(fmt.Sprintf("%T", h)), |
| 35 | + tracer: tracer, |
| 36 | + service: service, |
| 37 | + validator: validator, |
| 38 | + } |
| 39 | +} |
| 40 | + |
| 41 | +// RegisterRoutes registers the routes for the MessageHandler |
| 42 | +func (h *LemonsqueezyHandler) RegisterRoutes(app *fiber.App, middlewares ...fiber.Handler) { |
| 43 | + router := app.Group("lemonsqueezy") |
| 44 | + router.Post("/event", h.computeRoute(middlewares, h.Event)...) |
| 45 | +} |
| 46 | + |
| 47 | +// Event consumes a lemonsqueezy event |
| 48 | +// @Summary Consume a lemonsqueezy event |
| 49 | +// @Description Publish a lemonsqueezy event to the registered listeners |
| 50 | +// @Tags Lemonsqueezy |
| 51 | +// @Accept json |
| 52 | +// @Produce json |
| 53 | +// @Success 204 {object} responses.NoContent |
| 54 | +// @Failure 400 {object} responses.BadRequest |
| 55 | +// @Failure 401 {object} responses.Unauthorized |
| 56 | +// @Failure 422 {object} responses.UnprocessableEntity |
| 57 | +// @Failure 500 {object} responses.InternalServerError |
| 58 | +// @Router /lemonsqueezy/event [post] |
| 59 | +func (h *LemonsqueezyHandler) Event(c *fiber.Ctx) error { |
| 60 | + ctx, span, ctxLogger := h.tracer.StartFromFiberCtxWithLogger(c, h.logger) |
| 61 | + defer span.End() |
| 62 | + |
| 63 | + signature := c.Get("X-Signature") |
| 64 | + if errors := h.validator.ValidateEvent(ctx, signature, c.Body()); len(errors) != 0 { |
| 65 | + msg := fmt.Sprintf("validation errors [%s], while storing request [%s] and signature [%s]", spew.Sdump(errors), c.Body(), signature) |
| 66 | + ctxLogger.Warn(stacktrace.NewError(msg)) |
| 67 | + return h.responseUnprocessableEntity(c, errors, "validation errors while storing lemonsqueezy event") |
| 68 | + } |
| 69 | + |
| 70 | + if err := h.handleRequest(ctx, c); err != nil { |
| 71 | + msg := fmt.Sprintf("cannot handle lemonsqueezy event [%s]", c.Body()) |
| 72 | + ctxLogger.Error(stacktrace.Propagate(err, msg)) |
| 73 | + return h.responseInternalServerError(c) |
| 74 | + } |
| 75 | + |
| 76 | + return h.responseNoContent(c, "event consumed successfully") |
| 77 | +} |
| 78 | + |
| 79 | +func (h *LemonsqueezyHandler) handleRequest(ctx context.Context, c *fiber.Ctx) error { |
| 80 | + eventName := c.Get("X-Event-Name") |
| 81 | + switch eventName { |
| 82 | + case "subscription_created": |
| 83 | + var request lemonsqueezy.WebHookRequestSubscription |
| 84 | + err := json.Unmarshal(c.Body(), &request) |
| 85 | + if err != nil { |
| 86 | + return stacktrace.Propagate(err, fmt.Sprintf("cannot marshall [%s] to [%T]", c.Body(), request)) |
| 87 | + } |
| 88 | + return h.service.HandleSubscriptionCreatedEvent(ctx, c.OriginalURL(), &request) |
| 89 | + case "subscription_cancelled": |
| 90 | + var request lemonsqueezy.WebHookRequestSubscription |
| 91 | + err := json.Unmarshal(c.Body(), &request) |
| 92 | + if err != nil { |
| 93 | + return stacktrace.Propagate(err, fmt.Sprintf("cannot marshall [%s] to [%T]", c.Body(), request)) |
| 94 | + } |
| 95 | + return h.service.HandleSubscriptionCanceledEvent(ctx, c.OriginalURL(), &request) |
| 96 | + default: |
| 97 | + return stacktrace.NewError(fmt.Sprintf("invalid event [%s] received with request [%s]", eventName, c.Body())) |
| 98 | + } |
| 99 | +} |
0 commit comments