feat: set up project

internal/api/handler/helper.go

@@ -0,0 +1,23 @@
+package handler
+
+import (
+	"log"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+func RenderError(c *fiber.Ctx, err error, message string) error {
+	if err != nil {
+		log.Printf("renderError: %s\n", err)
+	}
+	return c.Render("error", fiber.Map{
+		"message": message,
+	})
+}
+
+func JSONError(c *fiber.Ctx, status int, err error, message string) error {
+	if err != nil {
+		log.Printf("JSONError: %s\n", err)
+	}
+	return c.Status(status).SendString("error: " + message)
+}

internal/api/handler/payment.go

@@ -0,0 +1,58 @@
+package handler
+
+import (
+	"fmt"
+	"time"
+
+	"gitea.urkob.com/urko/btc-pay-checker/internal/domain"
+	"gitea.urkob.com/urko/btc-pay-checker/internal/services"
+	"gitea.urkob.com/urko/btc-pay-checker/internal/services/price"
+	"github.com/gofiber/fiber/v2"
+)
+
+type OrderHandler struct {
+	walletAddress string
+	orderSrv      *services.Order
+	conversor     *price.PriceConversor
+}
+
+func NewOrderHandler(walletAddress string, orderSrv *services.Order, conversor *price.PriceConversor) *OrderHandler {
+	return &OrderHandler{
+		walletAddress: walletAddress,
+		orderSrv:      orderSrv,
+		conversor:     conversor,
+	}
+}
+
+type orderReq struct {
+	OrderID  string              `json:"order_id"`
+	ClientID string              `json:"client_id"`
+	Amount   float64             `json:"amount"`
+	Currency domain.FiatCurrency `json:"currency"`
+}
+
+func (hdl *OrderHandler) Post(c *fiber.Ctx) error {
+	req := orderReq{}
+	if err := c.BodyParser(&req); err != nil {
+		return RenderError(c, fmt.Errorf("id is empty"), "")
+	}
+
+	btcAmount, err := hdl.conversor.UsdToBtc(req.Amount)
+	if err != nil {
+		return RenderError(c, fmt.Errorf("hdl.conversor.UsdToBtc %w", err), "")
+	}
+
+	order, err := hdl.orderSrv.NewOrder(c.Context(), req.OrderID, req.ClientID, btcAmount)
+	if err != nil {
+		return RenderError(c, fmt.Errorf("hdl.orderSrv.NewOrder %w", err), "")
+	}
+
+	return c.Render("order",
+		fiber.Map{
+			"order_id":       order.ID.Hex(),
+			"amount":         btcAmount,
+			"wallet_address": hdl.walletAddress,
+			"expires_at":     order.ExpiresAt.Format(time.RFC3339),
+		},
+	)
+}