Base Project

pkg/helper/jwt.go

@@ -0,0 +1,39 @@
+package helper
+
+import (
+	"fmt"
+	"time"
+	"wm-backend/global"
+
+	"github.com/golang-jwt/jwt/v5"
+)
+
+// GenerateToken tạo JWT token cho user
+func GenerateToken(userID string) (string, error) {
+	claims := jwt.MapClaims{
+		"user_id": userID,
+		"iat":     time.Now().Unix(),                                                                    // issued at
+		"exp":     time.Now().Add(time.Duration(global.Cfg.JWT.ExpirationHours) * time.Hour * 7).Unix(), // expiry
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	return token.SignedString([]byte(global.Cfg.JWT.SecretKey)) // <-- lấy từ config
+}
+
+func ParseToken(tokenString string) (jwt.MapClaims, error) {
+	token, err := jwt.Parse(tokenString, func(token *jwt.Token) (any, error) {
+		if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
+		}
+		return []byte(global.Cfg.JWT.SecretKey), nil // <-- lấy từ config
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
+		return claims, nil
+	}
+
+	return nil, fmt.Errorf("invalid token")
+}

pkg/helper/password.go

@@ -0,0 +1,22 @@
+package helper
+
+import "golang.org/x/crypto/bcrypt"
+
+// HashPassword generates a salted and hashed password using bcrypt.
+// It takes the plain-text password and the number of salt rounds as input.
+// It returns the generated salt, the hashed password, and any error encountered.
+func HashPassword(password string) (string, error) {
+	hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
+	if err != nil {
+		return "", err
+	}
+
+	return string(hashedPassword), nil
+}
+
+// ComparePassword compares a plain-text password with a hashed password and returns true if they match.
+// It uses bcrypt.CompareHashAndPassword to perform the comparison.
+func ComparePassword(password string, hashedPassword string) error {
+	err := bcrypt.CompareHashAndPassword([]byte(hashedPassword), []byte(password))
+	return err
+}

pkg/helper/validator.go

@@ -0,0 +1,24 @@
+package helper
+
+import (
+	"net/http"
+	"wm-backend/response"
+
+	"github.com/gin-gonic/gin"
+	"github.com/go-playground/validator/v10"
+)
+
+func IsShouldBindJSON(c *gin.Context, obj any) bool {
+	if err := c.ShouldBindJSON(obj); err != nil {
+		response.BadRequestError(c, http.StatusBadRequest, err.Error())
+		return true
+	}
+	return false
+}
+
+var validate = validator.New()
+
+func IsEmail(input string) bool {
+	err := validate.Var(input, "email")
+	return err == nil
+}

pkg/log/logger.go

@@ -0,0 +1,74 @@
+package log
+
+// import (
+// 	"fmt"
+
+// 	"github.com/rs/zerolog"
+// 	"github.com/rs/zerolog/log"
+// )
+
+// type Logger struct{}
+
+// func NewLogger() *Logger {
+// 	return &Logger{}
+// }
+
+// func (logger *Logger) Print(level zerolog.Level, args any) {
+// 	log.WithLevel(level).Msg(fmt.Sprint(args))
+// }
+
+// // Printf logs a formatted message at the given level.
+// func (logger *Logger) Printf(level zerolog.Level, format string, args ...any) {
+// 	log.WithLevel(level).Msg(fmt.Sprintf(format, args...))
+// }
+
+// // Debug logs a message at Debug level.
+// func (logger *Logger) Debug(args ...any) {
+// 	logger.Print(zerolog.DebugLevel, args)
+// }
+
+// // Debugf logs a formatted message at Debug level.
+// func (logger *Logger) Debugf(format string, args ...any) {
+// 	logger.Printf(zerolog.DebugLevel, format, args...)
+// }
+
+// // Info logs a message at Info level.
+// func (logger *Logger) Info(args ...any) {
+// 	logger.Print(zerolog.InfoLevel, args)
+// }
+
+// // Infof logs a formatted message at Info level.
+// func (logger *Logger) Infof(format string, args ...any) {
+// 	logger.Printf(zerolog.InfoLevel, format, args...)
+// }
+
+// // Warn logs a message at Warning level.
+// func (logger *Logger) Warn(args ...any) {
+// 	logger.Print(zerolog.WarnLevel, args)
+// }
+
+// // Warnf logs a formatted message at Warning level.
+// func (logger *Logger) Warnf(format string, args ...any) {
+// 	logger.Printf(zerolog.WarnLevel, format, args...)
+// }
+
+// // Error logs a message at Error level.
+// func (logger *Logger) Error(args ...any) {
+// 	logger.Print(zerolog.ErrorLevel, args)
+// }
+
+// // Errorf logs a formatted message at Error level.
+// func (logger *Logger) Errorf(format string, args ...any) {
+// 	logger.Printf(zerolog.ErrorLevel, format, args...)
+// }
+
+// // Fatal logs a message at Fatal level
+// // and process will exit with status set to 1.
+// func (logger *Logger) Fatal(args ...any) {
+// 	logger.Print(zerolog.FatalLevel, args)
+// }
+
+// // Fatalf logs a formatted message at Fatal level.
+// func (logger *Logger) Fatalf(format string, args ...any) {
+// 	logger.Printf(zerolog.FatalLevel, format, args...)
+// }

pkg/utils/async_handler.go

@@ -0,0 +1,12 @@
+package utils
+
+import "github.com/gin-gonic/gin"
+
+func AsyncHandler(fn func(c *gin.Context) error) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if err := fn(c); err != nil {
+			c.Error(err)
+			c.Next()
+		}
+	}
+}