Support for password resets

users/handler/update.go

@@ -0,0 +1,75 @@
+package handler
+
+import (
+	"context"
+	"strings"
+
+	"github.com/micro/micro/v3/service/errors"
+	"github.com/micro/micro/v3/service/logger"
+	pb "github.com/micro/services/users/proto"
+	"gorm.io/gorm"
+)
+
+// Update a user
+func (u *Users) Update(ctx context.Context, req *pb.UpdateRequest, rsp *pb.UpdateResponse) error {
+	// validate the request
+	if len(req.Id) == 0 {
+		return ErrMissingID
+	}
+	if req.FirstName != nil && len(req.FirstName.Value) == 0 {
+		return ErrMissingFirstName
+	}
+	if req.LastName != nil && len(req.LastName.Value) == 0 {
+		return ErrMissingLastName
+	}
+	if req.Email != nil && len(req.Email.Value) == 0 {
+		return ErrMissingEmail
+	}
+	if req.Email != nil && !isEmailValid(req.Email.Value) {
+		return ErrInvalidEmail
+	}
+	if req.Password != nil && len(req.Password.Value) < 8 {
+		return ErrInvalidEmail
+	}
+
+	// lookup the user
+	var user User
+	if err := u.DB.Where(&User{ID: req.Id}).First(&user).Error; err == gorm.ErrRecordNotFound {
+		return ErrNotFound
+	} else if err != nil {
+		logger.Errorf("Error reading from the database: %v", err)
+		return errors.InternalServerError("DATABASE_ERROR", "Error connecting to the database")
+	}
+
+	// assign the updated values
+	if req.FirstName != nil {
+		user.FirstName = req.FirstName.Value
+	}
+	if req.LastName != nil {
+		user.LastName = req.LastName.Value
+	}
+	if req.Email != nil {
+		user.Email = strings.ToLower(req.Email.Value)
+	}
+	if req.Password != nil {
+		p, err := hashAndSalt(req.Password.Value)
+		if err != nil {
+			logger.Errorf("Error hasing and salting password: %v", err)
+			return errors.InternalServerError("HASHING_ERROR", "Error hashing password")
+		}
+		user.Password = p
+	}
+
+	// write the user to the database
+	err := u.DB.Save(user).Error
+	if err != nil && strings.Contains(err.Error(), "idx_users_email") {
+		return ErrDuplicateEmail
+	} else if err != nil {
+		logger.Errorf("Error writing to the database: %v", err)
+		return errors.InternalServerError("DATABASE_ERROR", "Error connecting to the database")
+	}
+
+	// serialize the user
+	rsp.User = user.Serialize()
+	return nil
+}