mv logic into userService

allows reusing it in the views more easy

controllers/userController.go

@@ -1,17 +1,14 @@
 package controllers
 
 import(
-	"os"
 	"fmt"
-	"time"
 	"net/http"
-	"golang.org/x/crypto/bcrypt"
 
-	"github.com/golang-jwt/jwt/v5"
 	"github.com/gin-gonic/gin"
 
 	"example.com/gin/test/models"
 	"example.com/gin/test/repositories"
+	"example.com/gin/test/services"
 )	
 
 
@@ -40,20 +37,7 @@ func (uc *UserController) Register(c *gin.Context) {
 		return
 	}
 
-	//hash pw
-	hash, err := bcrypt.GenerateFromPassword([]byte(body.Password), 10)
-
-	if err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"error": "Failed to hash password",
-		})
-
-		return
-	}
-
-	//create user
-	user := models.User{Name: body.Name, Email: body.Email, Password: string(hash)}
-	_, err = repositories.Users.Create(user)
+	_, err = services.Users.Register(body.Name, body.Email, body.Password)
 
 	if err != nil {
 		fmt.Println("Error: ", err)
@@ -81,46 +65,17 @@ func (uc *UserController) Login(c *gin.Context) {
 
 	if err != nil {
 		c.JSON(http.StatusBadRequest, gin.H{
-			"error": "Failed to read body",
+			"error": "Login Failed",
 		})
 
 		return
 	}
 
-	//lookup requested user
-	user, err := repositories.Users.GetByEmail(body.Email)
+	tokenString, err := services.Users.Login(body.Email, body.Password)
 
 	if err != nil {
 		c.JSON(http.StatusBadRequest, gin.H{
-			"error": "Invalid email or password",
-		})
-
-		return
-	}
-
-	// compare sent with saved pass
-	err = bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(body.Password))
-
-	if err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"error": "Invalid email or password",
-		})
-
-		return
-	}
-
-	//generate jwt token
-	token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
-		"sub": user.ID,
-		"exp": time.Now().Add(time.Hour * 24).Unix(),
-	})
-
-	// Sign and get the complete encoded token as a string using the secret
-	tokenString, err := token.SignedString([]byte(os.Getenv("SECRET")))
-
-	if err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{
-			"error": "Failed to create token",
+			"error": "Login Failed",
 		})
 
 		return
@@ -129,7 +84,6 @@ func (uc *UserController) Login(c *gin.Context) {
 	// send it back
 	c.SetSameSite(http.SameSiteLaxMode)
 	c.SetCookie("Authorization", tokenString, 3600 * 24, "", "", false, true)
-
 	c.JSON(http.StatusOK, gin.H{})
 }
 

services/userService.go

@@ -0,0 +1,68 @@
+package services
+
+import(
+	"os"
+	"time"
+	"golang.org/x/crypto/bcrypt"
+
+	"github.com/golang-jwt/jwt/v5"
+
+	"example.com/gin/test/models"
+	"example.com/gin/test/repositories"
+)
+
+var(
+	Users UserService = UserService{}
+)
+
+type UserService struct {}
+
+func (u *UserService) Register(name string, email string, password string) (models.User, error) {
+	//hash pw
+	hash, err := bcrypt.GenerateFromPassword([]byte(password), 10)
+
+	if err != nil {
+		return models.User{}, err
+	}
+
+	user := models.User{Name: name, Email: email, Password: string(hash)}
+	_, err = repositories.Users.Create(user)
+
+	if err != nil {
+		return models.User{}, err
+	}
+
+	return user, nil
+}
+
+//return jwt tokenstring on success
+func (u *UserService) Login(email string, password string) (string, error) {
+	//lookup requested user
+	user, err := repositories.Users.GetByEmail(email)
+
+	if err != nil {
+		return "", err
+	}
+
+	// compare sent with saved pass
+	err = bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(password))
+
+	if err != nil {
+		return "", err
+	}
+
+	//generate jwt token
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
+		"sub": user.ID,
+		"exp": time.Now().Add(time.Hour * 24).Unix(),
+	})
+
+	// Sign and get the complete encoded token as a string using the secret
+	tokenString, err := token.SignedString([]byte(os.Getenv("SECRET")))
+
+	if err != nil {
+		return "", err
+	}
+
+	return tokenString, nil
+}