✨ Create wallet, get transaction by id

pkg/internal/server/api/index.go

@@ -9,12 +9,14 @@ func MapAPIs(app *fiber.App, baseURL string) {
 	{
 		wallet := api.Group("/wallet").Name("Wallet API")
 		{
+			wallet.Post("/me", createWallet)
 			wallet.Get("/me", getMyWallet)
 		}
 
 		transaction := api.Group("/transaction").Name("Transaction API")
 		{
 			transaction.Get("/me", getTransaction)
+			transaction.Get("/:id", getTransactionByID)
 		}
 	}
 }

pkg/internal/server/api/transaction_api.go

@@ -39,3 +39,25 @@ func getTransaction(c *fiber.Ctx) error {
 		"data":  transactions,
 	})
 }
+
+func getTransactionByID(c *fiber.Ctx) error {
+	id, _ := c.ParamsInt("id", 0)
+
+	if err := sec.EnsureAuthenticated(c); err != nil {
+		return err
+	}
+	user := c.Locals("user").(*sec.UserInfo)
+
+	var transaction models.Transaction
+	if err := database.C.Where("id = ?", id).
+		Preload("Payer").Preload("Payee").
+		First(&transaction).Error; err != nil {
+		return fiber.NewError(fiber.StatusNotFound, err.Error())
+	}
+
+	if transaction.Payer.AccountID != user.ID && transaction.Payee.AccountID != user.ID {
+		return fiber.NewError(fiber.StatusForbidden, "you are not related to this transaction")
+	}
+
+	return c.JSON(transaction)
+}

pkg/internal/server/api/wallet_api.go

@@ -1,12 +1,40 @@
 package api
 
 import (
+	"errors"
+
 	"git.solsynth.dev/hypernet/nexus/pkg/nex/sec"
 	"git.solsynth.dev/hypernet/wallet/pkg/internal/database"
 	"git.solsynth.dev/hypernet/wallet/pkg/internal/models"
 	"github.com/gofiber/fiber/v2"
+	"github.com/shopspring/decimal"
+	"gorm.io/gorm"
 )
 
+func createWallet(c *fiber.Ctx) error {
+	if err := sec.EnsureGrantedPerm(c, "CreateWallet", true); err != nil {
+		return err
+	}
+	user := c.Locals("user").(*sec.UserInfo)
+
+	var wallet models.Wallet
+	if err := database.C.Where("account_id = ?", user.ID).
+		First(&wallet).Error; err == nil || errors.Is(err, gorm.ErrRecordNotFound) {
+		return fiber.NewError(fiber.StatusConflict, "wallet already exists")
+	}
+
+	wallet = models.Wallet{
+		Balance:   decimal.NewFromInt(0),
+		AccountID: user.ID,
+	}
+
+	if err := database.C.Create(&wallet).Error; err != nil {
+		return fiber.NewError(fiber.StatusInternalServerError, err.Error())
+	}
+
+	return c.JSON(wallet)
+}
+
 func getMyWallet(c *fiber.Ctx) error {
 	if err := sec.EnsureAuthenticated(c); err != nil {
 		return err