add login for api handler

accessHandler.go

@@ -1,41 +1,43 @@
 package AccessHandler
 
-import "gitea.tecamino.com/paadi/tecamino-logger/logging"
+import (
+	"gitea.tecamino.com/paadi/dbHandler"
+	"gitea.tecamino.com/paadi/tecamino-logger/logging"
+)
 
-//
 // AccessHandler
 //
 // Description:
-//   AccessHandler manages access-related functionality, including
-//   database operations for users and roles, as well as logging.
-//   It encapsulates a database handler and a logger so that
-//   authentication and authorization operations can be performed
-//   consistently across the application.
 //
+//	AccessHandler manages access-related functionality, including
+//	database operations for users and roles, as well as logging.
+//	It encapsulates a database handler and a logger so that
+//	authentication and authorization operations can be performed
+//	consistently across the application.
 type AccessHandler struct {
-	dbHandler *DBHandler      // Database handler used for managing users and roles
+	dbHandler *dbHandler.DBHandler // Database handler used for managing users and roles
-	logger    *logging.Logger // Centralized application logger
+	logger    *logging.Logger      // Centralized application logger
 }
 
-//
 // NewAccessHandler
 //
 // Description:
-//   Creates and initializes a new AccessHandler instance.
+//
+//	Creates and initializes a new AccessHandler instance.
 //
 // Behavior:
-//   1. If a logger is not provided (nil), it creates a new logger instance
+//  1. If a logger is not provided (nil), it creates a new logger instance
-//      that writes to "accessHandler.log".
+//     that writes to "accessHandler.log".
-//   2. Initializes the AccessHandler struct.
+//  2. Initializes the AccessHandler struct.
-//   3. Sets up the internal DBHandler with the same logger.
+//  3. Sets up the internal DBAHandler with the same logger.
-//   4. Automatically creates required database tables and default data:
+//  4. Automatically creates required database tables and default data:
-//        - User table
+//     - User table
-//        - Default user(s)
+//     - Default user(s)
-//        - Role table
+//     - Role table
-//        - Default role(s)
+//     - Default role(s)
 //
 // Parameters:
-//   - dbPath: The file path or connection string for the database.
+//   - dbPath: The file path to the database.
 //   - logger: Optional pointer to a logging.Logger instance. If nil, a new one is created.
 //
 // Returns:
@@ -43,12 +45,12 @@ type AccessHandler struct {
 //   - err: Any error that occurs during initialization.
 //
 // Example:
-//   handler, err := NewAccessHandler("data/app.db", appLogger)
-//   if err != nil {
-//       log.Fatal(err)
-//   }
 //
-func NewAccessHandler(dbPath string, logger *logging.Logger) (aH *AccessHandler, err error) {
+//	handler, err := NewAccessHandler("data/app.db", appLogger)
+//	if err != nil {
+//	    log.Fatal(err)
+//	}
+func NewAccessHandler(path string, logger *logging.Logger) (aH *AccessHandler, err error) {
 	if logger == nil {
 		logger, err = logging.NewLogger("accessHandler.log", nil)
 		if err != nil {
@@ -65,7 +67,7 @@ func NewAccessHandler(dbPath string, logger *logging.Logger) (aH *AccessHandler,
 
 	logger.Debug("NewAccessHandler", "initialize db handler")
 	// Create a new DB handler instance
-	aH.dbHandler, err = NewDBHandler(dbPath, logger)
+	aH.dbHandler, err = dbHandler.NewDBHandler(path, "user", logger)
 	if err != nil {
 		aH.logger.Error("NewAccessHandler", err)
 		return
@@ -105,21 +107,21 @@ func NewAccessHandler(dbPath string, logger *logging.Logger) (aH *AccessHandler,
 	return
 }
 
-//
 // GetLogger
 //
 // Description:
-//   Returns the logger associated with this AccessHandler instance.
+//
-//   Useful when another component or handler needs to reuse the
+//	Returns the logger associated with this AccessHandler instance.
-//   same logging instance for consistent log output.
+//	Useful when another component or handler needs to reuse the
+//	same logging instance for consistent log output.
 //
 // Returns:
 //   - *logging.Logger: The logger assigned to this AccessHandler.
 //
 // Example:
-//   log := accessHandler.GetLogger()
-//   log.Info("Some event")
 //
+//	log := accessHandler.GetLogger()
+//	log.Info("Some event")
 func (aH *AccessHandler) GetLogger() *logging.Logger {
 	return aH.logger
 }

accessHandlerAPI.go

@@ -0,0 +1,158 @@
+package AccessHandler
+
+import (
+	"gitea.tecamino.com/paadi/access-handler/models"
+	"gitea.tecamino.com/paadi/dbHandler"
+	"gitea.tecamino.com/paadi/tecamino-logger/logging"
+)
+
+// AccessHandler
+//
+// Description:
+//
+//	AccessHandler manages access-related functionality, including
+//	database operations for users and roles, as well as logging.
+//	It encapsulates a database handler and a logger so that
+//	authentication and authorization operations can be performed
+//	consistently across the application.
+type AccessHandlerAPI struct {
+	dbHandler *dbHandler.DBHandler // Database handler used for managing users and roles
+	logger    *logging.Logger      // Centralized application logger
+}
+
+// NewAccessHandlerAPI
+//
+// Description:
+//
+//	Creates and initializes a new AccessHandler instance.
+//
+// Behavior:
+//  1. If a logger is not provided (nil), it creates a new logger instance
+//     that writes to "accessHandler.log".
+//  2. Initializes the AccessHandler struct.
+//  3. Sets up the internal DBAHandler with the same logger.
+//  4. Automatically creates required database tables and default data:
+//     - User table
+//     - Default user(s)
+//     - Role table
+//     - Default role(s)
+//
+// Parameters:
+//   - dbPath: The file path to the database.
+//   - logger: Optional pointer to a logging.Logger instance. If nil, a new one is created.
+//
+// Returns:
+//   - aH:  A pointer to the fully initialized AccessHandler.
+//   - err: Any error that occurs during initialization.
+//
+// Example:
+//
+//	handler, err := NewAccessHandlerAPI("data/app.db", appLogger)
+//	if err != nil {
+//	    log.Fatal(err)
+//	}
+func NewAccessHandlerAPI(path string, logger *logging.Logger) (aH *AccessHandlerAPI, err error) {
+	if logger == nil {
+		logger, err = logging.NewLogger("accessHandler.log", nil)
+		if err != nil {
+			return
+		}
+	}
+
+	logger.Debug("NewAccessHandlerAPI", "initialize new access handler")
+
+	// Initialize AccessHandler with logger
+	aH = &AccessHandlerAPI{
+		logger: logger,
+	}
+
+	logger.Debug("NewAccessHandlerAPI", "initialize db handler")
+	// Create a new DB handler instance
+	aH.dbHandler, err = dbHandler.NewDBHandler(path, "user", logger)
+	if err != nil {
+		aH.logger.Error("NewAccessHandlerAPI", err)
+		return
+	}
+
+	logger.Debug("NewAccessHandlerAPI", "add user table")
+	// Add the user table to the database
+	err = aH.dbHandler.AddNewTable(models.User{})
+	if err != nil {
+		aH.logger.Error("NewAccessHandlerAPI", err)
+		return
+	}
+
+	logger.Debug("NewAccessHandlerAPI", "add default user")
+	// Add default users to the system
+	name := "admin"
+	role := "admin"
+	email := "zuercher@tecamino.ch"
+
+	// Check if a user with this email already exists
+	if err := aH.dbHandler.Exists(&models.User{}, "email", email, false); err == nil {
+		aH.logger.Debug("AddDefaultUser", "user email "+email+" exists already")
+		// Found a user → skip create
+	} else {
+		// Create default settings for the new user
+		settings := models.Settings{}
+		aH.logger.Debug("AddDefaultUser", "set default quasar settings")
+		settings.DefaultQuasarSettings()
+
+		// Insert default admin user into the database
+		aH.dbHandler.AddNewColum(&models.User{
+			Name:     name,
+			Role:     role,
+			Email:    email,
+			Password: "$2a$10$sZZOWBP8DSFLrLFQNoXw8OsEEr0tez1B8lPzKCHofaHg6PMNxx1pG",
+			Settings: settings,
+		})
+	}
+
+	logger.Debug("NewAccessHandlerAPI", "add role table")
+	// Add the role table to the database
+	err = aH.dbHandler.AddNewTable(models.Role{})
+	if err != nil {
+		aH.logger.Error("NewAccessHandlerAPI", err)
+		return
+	}
+
+	// Add default roles to the system
+	logger.Debug("NewAccessHandlerAPI", "add default role")
+
+	// Check if a role with this name already exists
+	if err := aH.dbHandler.Exists(&models.Role{}, "role", role, false); err == nil {
+		// Found a role → skip creation
+		aH.logger.Debug("AddDefaultRole", "role "+role+" exists already")
+	} else {
+		// Initialize default permissions for admin
+		permissions := models.Permissions{}
+		aH.logger.Debug("AddDefaultRole", "set default Permissions")
+		permissions.DefaultPermissions()
+
+		// Create the default admin role
+		aH.dbHandler.AddNewColum(&models.Role{
+			Role:        role,
+			Permissions: permissions,
+		})
+	}
+	return
+}
+
+// GetLogger
+//
+// Description:
+//
+//	Returns the logger associated with this AccessHandler instance.
+//	Useful when another component or handler needs to reuse the
+//	same logging instance for consistent log output.
+//
+// Returns:
+//   - *logging.Logger: The logger assigned to this AccessHandler.
+//
+// Example:
+//
+//	log := accessHandler.GetLogger()
+//	log.Info("Some event")
+func (aH *AccessHandlerAPI) GetLogger() *logging.Logger {
+	return aH.logger
+}

api.go

@@ -0,0 +1,305 @@
+package AccessHandler
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"strconv"
+
+	"gitea.tecamino.com/paadi/access-handler/models"
+	"gitea.tecamino.com/paadi/access-handler/utils"
+	"github.com/gin-gonic/gin"
+)
+
+func (aH *AccessHandlerAPI) AddUser(c *gin.Context) {
+	var user models.User
+	err := c.BindJSON(&user)
+	if err != nil {
+		aH.logger.Error("AddUser", err)
+		c.JSON(http.StatusInternalServerError, models.NewJsonErrorResponse(err))
+		return
+	}
+
+	if !user.IsValid() {
+		aH.logger.Error("AddUser", "user empty")
+		c.JSON(http.StatusBadRequest, models.NewJsonMessageResponse("user empty"))
+		return
+	}
+
+	// Check if a user with this email already exists
+	if err := aH.dbHandler.Exists(&models.User{}, "email", user.Email, false); err == nil {
+		// Found a user → skip create
+		aH.logger.Error("AddUser", "user with email "+user.Email+" already exists")
+		c.JSON(http.StatusBadRequest, models.NewJsonMessageResponse(fmt.Sprintf("user with email %s already exists", user.Email)))
+		return
+	}
+
+	hash, err := utils.HashPassword(user.Password)
+	if err != nil {
+		aH.logger.Error("AddUser", err)
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+
+	if !utils.IsValidEmail(user.Email) {
+		aH.logger.Error("AddUser", "not valid email address")
+		c.JSON(http.StatusBadRequest, models.NewJsonErrorResponse(errors.New("not valid email address")))
+		return
+	}
+
+	// Hash the provided password before saving
+	hash, err = utils.HashPassword(user.Password)
+	if err != nil {
+		aH.logger.Error("AddUser", err)
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+
+	aH.logger.Debug("AddUser", "add new user "+user.Name+" with role "+user.Role)
+
+	// Insert the new user record
+	aH.dbHandler.AddNewColum(&models.User{
+		Name:     user.Name,
+		Role:     user.Role,
+		Email:    user.Email,
+		Password: hash,
+	})
+
+	c.JSON(http.StatusOK, gin.H{
+		"message": fmt.Sprintf("user '%s' successfully added", user.Name),
+	})
+}
+
+func (aH *AccessHandlerAPI) GetUser(c *gin.Context) {
+	var i int
+	var err error
+
+	id := c.Query("id")
+	if id != "" {
+		i, err = strconv.Atoi(id)
+		if err != nil {
+			aH.logger.Error("GetUser", err)
+			c.JSON(http.StatusInternalServerError, nil)
+			return
+		}
+	}
+
+	var users []models.User
+	err = aH.dbHandler.GetById(&users, uint(i))
+	if err != nil {
+		aH.logger.Error("GetUser", err)
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+	c.JSON(http.StatusOK, users)
+}
+
+func (aH *AccessHandlerAPI) UpdateUser(c *gin.Context) {
+	var user models.User
+	if err := c.BindJSON(&user); err != nil {
+		aH.logger.Error("UpdateUser", err)
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+	err := aH.dbHandler.UpdateValuesById(&user, user.Id)
+	if err != nil {
+		aH.logger.Error("UpdateUser", err)
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+	c.JSON(http.StatusOK, models.NewJsonMessageResponse("successfully updated user '"+user.Email+"'"))
+
+}
+
+func (aH *AccessHandlerAPI) DeleteUser(c *gin.Context) {
+	queryId := c.Query("id")
+
+	if queryId == "" || queryId == "null" || queryId == "undefined" {
+		aH.logger.Error("DeleteUser", "id query missing or wrong value: "+queryId)
+		c.JSON(http.StatusBadRequest, gin.H{
+			"message": "id query missing or wrong value: " + queryId,
+		})
+		return
+	}
+
+	var request struct {
+		Ids []int `json:"ids"`
+	}
+
+	err := c.BindJSON(&request)
+	if err != nil {
+		aH.logger.Error("DeleteUser", "id query missing or wrong value: "+queryId)
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+
+	if len(request.Ids) == 0 {
+		aH.logger.Error("DeleteUser", "no ids given to be deleted")
+		c.JSON(http.StatusBadRequest, gin.H{
+			"message": "no ids given to be deleted",
+		})
+		return
+	}
+
+	var ownId string
+	removeIds := make([]uint, len(request.Ids))
+	for i, id := range request.Ids {
+		if queryId == fmt.Sprint(id) {
+			ownId = queryId
+			continue
+		}
+		removeIds[i] = uint(id)
+	}
+
+	if ownId != "" {
+		aH.logger.Error("DeleteUser", "can not delete logged in member id: "+queryId)
+		c.JSON(http.StatusBadRequest, gin.H{
+			"message": "can not delete logged in member id: " + queryId,
+			"id":      queryId,
+		})
+		return
+	}
+
+	err = aH.dbHandler.DeleteById(&models.User{}, removeIds...)
+	if err != nil {
+		aH.logger.Error("DeleteUser", err)
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"message": "member(s) deleted",
+	})
+}
+
+func (aH *AccessHandlerAPI) AddRole(c *gin.Context) {
+	var role models.Role
+	err := c.BindJSON(&role)
+	if err != nil {
+		aH.logger.Error("AddRole", err)
+		c.JSON(http.StatusBadRequest, models.NewJsonErrorResponse(err))
+		return
+	}
+
+	if !role.IsValid() {
+		aH.logger.Error("AddRole", "user empty")
+		c.JSON(http.StatusBadRequest, models.NewJsonMessageResponse("user empty"))
+		return
+	}
+
+	// Check if a role with this name already exists
+	if err := aH.dbHandler.Exists(&models.Role{}, "role", role, false); err == nil {
+		aH.logger.Error("AddRole", fmt.Sprintf("role with name %s already exists", role.Role))
+		c.JSON(http.StatusBadRequest, models.NewJsonMessageResponse(fmt.Sprintf("role with name %s already exists", role.Role)))
+	}
+
+	// Insert new role with provided permissions
+	aH.dbHandler.AddNewColum(&models.Role{
+		Role:        role.Role,
+		Permissions: role.Permissions,
+	})
+	c.JSON(http.StatusOK, gin.H{
+		"message": fmt.Sprintf("role '%s' successfully added", role.Role),
+	})
+}
+
+func (aH *AccessHandlerAPI) GetRole(c *gin.Context) {
+	var i int
+	var err error
+
+	id := c.Query("id")
+	if id != "" {
+		i, err = strconv.Atoi(id)
+		if err != nil {
+			aH.logger.Error("GetRole", err)
+			c.JSON(http.StatusInternalServerError, nil)
+			return
+		}
+	}
+
+	var role []models.Role
+	err = aH.dbHandler.GetById(&role, uint(i))
+	if err != nil {
+		aH.logger.Error("GetRole", err)
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+	c.JSON(http.StatusOK, role)
+}
+
+func (aH *AccessHandlerAPI) UpdateRole(c *gin.Context) {
+	var role models.Role
+	if err := c.BindJSON(&role); err != nil {
+		aH.logger.Error("UpdateRole", err)
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+	err := aH.dbHandler.UpdateValuesById(&role, role.Id)
+	if err != nil {
+		aH.logger.Error("UpdateRole", err)
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+	c.JSON(http.StatusOK, models.NewJsonMessageResponse("successfully updated role '"+role.Role+"'"))
+}
+
+func (aH *AccessHandlerAPI) DeleteRole(c *gin.Context) {
+	queryId := c.Query("id")
+
+	if queryId == "" || queryId == "null" || queryId == "undefined" {
+		aH.logger.Error("DeleteRole", "id query missing or wrong value: "+queryId)
+		c.JSON(http.StatusBadRequest, gin.H{
+			"message": "id query missing or wrong value: " + queryId,
+		})
+		return
+	}
+
+	var request struct {
+		Ids []int `json:"ids"`
+	}
+
+	err := c.BindJSON(&request)
+	if err != nil {
+		aH.logger.Error("DeleteRole", "id query missing or wrong value: "+queryId)
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+
+	if len(request.Ids) == 0 {
+		aH.logger.Error("DeleteRole", "no ids given to be deleted")
+		c.JSON(http.StatusBadRequest, gin.H{
+			"message": "no ids given to be deleted",
+		})
+		return
+	}
+
+	var ownId string
+	removeIds := make([]uint, len(request.Ids))
+	for i, id := range request.Ids {
+		if queryId == fmt.Sprint(id) {
+			ownId = queryId
+			continue
+		}
+		removeIds[i] = uint(id)
+	}
+
+	if ownId != "" {
+		aH.logger.Error("DeleteRole", "can not delete logged in member role id: "+queryId)
+		c.JSON(http.StatusBadRequest, gin.H{
+			"message": "can not delete logged in member id: " + queryId,
+			"id":      queryId,
+		})
+		return
+	}
+
+	err = aH.dbHandler.DeleteById(&models.Role{}, removeIds...)
+	if err != nil {
+		aH.logger.Error("DeleteRole", err)
+		c.JSON(http.StatusInternalServerError, nil)
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"message": "role(s) deleted",
+	})
+}

dbHandler.go

@@ -1,300 +0,0 @@
-package AccessHandler
-
-import (
-	"errors"
-	"fmt"
-	"reflect"
-	"strings"
-
-	"gitea.tecamino.com/paadi/tecamino-logger/logging"
-	"github.com/glebarez/sqlite"
-	"gorm.io/gorm"
-)
-
-// DBHandler
-//
-// Description:
-//
-//	Wraps the GORM database connection and provides helper methods for
-//	common CRUD operations, as well as integrated logging for traceability.
-//
-// Fields:
-//   - db:     Active GORM database connection.
-//   - logger: Pointer to a custom logger instance for structured logging.
-type DBHandler struct {
-	db     *gorm.DB
-	logger *logging.Logger
-}
-
-// NewDBHandler
-//
-// Description:
-//
-//	Creates a new database handler using the specified SQLite database file.
-//
-// Behavior:
-//  1. Opens a GORM connection to the database file at `dbPath`.
-//  2. Wraps it in a `DBHandler` struct with logging support.
-//
-// Parameters:
-//   - dbPath: Path to the SQLite database file.
-//   - logger: Logging instance to record DB operations.
-//
-// Returns:
-//   - dH:  A pointer to the initialized `DBHandler`.
-//   - err: Any error encountered during database connection.
-func NewDBHandler(dbPath string, logger *logging.Logger) (dH *DBHandler, err error) {
-	dH = &DBHandler{logger: logger}
-	logger.Debug("NewDBHandler", "open database "+dbPath)
-	dH.db, err = gorm.Open(sqlite.Open(dbPath), &gorm.Config{})
-	return
-}
-
-// addNewTable
-//
-// Description:
-//
-//	Uses GORM’s `AutoMigrate` to create or update the database schema
-//	for the provided model type.
-//
-// Parameters:
-//   - model: Struct type representing the database table schema.
-//
-// Returns:
-//   - error: Any migration error encountered.
-func (dH *DBHandler) addNewTable(model any) error {
-	return dH.db.AutoMigrate(&model)
-}
-
-// addNewColum
-//
-// Description:
-//
-//	Inserts a new record into the database table corresponding to `model`.
-//
-// Parameters:
-//   - model: Struct instance containing values to be inserted.
-//
-// Returns:
-//   - error: Any error encountered during record creation.
-func (dH *DBHandler) addNewColum(model any) error {
-	return dH.db.Create(model).Error
-}
-
-// getById
-//
-// Description:
-//
-//	Retrieves a record (or all records) from a table by numeric ID.
-//
-// Behavior:
-//   - If `id == 0`, returns all records in the table.
-//   - Otherwise, fetches the record matching the given ID.
-//
-// Parameters:
-//   - model: Pointer to a slice or struct to store the result.
-//   - id:    Numeric ID to query by.
-//
-// Returns:
-//   - error: Any query error or “not found” message.
-func (dH *DBHandler) getById(model any, id uint) error {
-	dH.logger.Debug("getById", "find id "+fmt.Sprint(id))
-
-	if id == 0 {
-		return dH.db.Find(model).Error
-	}
-
-	err := dH.db.First(model, id).Error
-	if errors.Is(err, gorm.ErrRecordNotFound) {
-		return fmt.Errorf("no record found for id: %v", id)
-	} else if err != nil {
-		return fmt.Errorf("query failed: %w", err)
-	}
-	return nil
-}
-
-// getByKey
-//
-// Description:
-//
-//	Retrieves one or more records matching a key/value pair.
-//
-// Behavior:
-//   - If `LikeSearch` is true, performs a SQL LIKE query.
-//   - Otherwise, performs an exact match query.
-//
-// Parameters:
-//   - model:      Pointer to a slice or struct to store results.
-//   - key:        Column name (e.g., "email").
-//   - value:      Value to match or partially match.
-//   - LikeSearch: If true, replaces '*' with '%' for wildcard matching.
-//
-// Returns:
-//   - error: Any database query error.
-func (dH *DBHandler) getByKey(model any, key string, value any, LikeSearch bool) error {
-	if LikeSearch {
-		value = strings.ReplaceAll(fmt.Sprint(value), "*", "%")
-		dH.logger.Debug("getByKey", "find like key "+key+" value "+fmt.Sprint(value))
-		return dH.db.Where(key+" LIKE ?", value).Find(model).Error
-	}
-
-	dH.logger.Debug("getByKey", "find equal key "+key+" value "+fmt.Sprint(value))
-	return dH.db.Find(model, key+" = ?", value).Error
-}
-
-// updateValuesById
-//
-// Description:
-//
-//	Updates record fields based on their unique ID.
-//
-// Behavior:
-//  1. Confirms that `model` is a pointer to a struct.
-//  2. Fetches the record by ID.
-//  3. Updates all non-zero fields using `gorm.Model.Updates`.
-//
-// Parameters:
-//   - model: Pointer to struct containing new values.
-//   - id:    Numeric ID of the record to update.
-//
-// Returns:
-//   - error: If the model is invalid or query/update fails.
-func (dH *DBHandler) updateValuesById(model any, id uint) error {
-	dH.logger.Debug("updateValuesById", "model"+fmt.Sprint(model))
-	modelType := reflect.TypeOf(model)
-	if modelType.Kind() != reflect.Ptr {
-		return errors.New("model must be a pointer to struct")
-	}
-
-	lookUpModel := reflect.New(modelType.Elem()).Interface()
-	if err := dH.getById(lookUpModel, id); err != nil {
-		return err
-	}
-	return dH.db.Model(lookUpModel).Updates(model).Error
-}
-
-// updateValuesByKey
-//
-// Description:
-//
-//	Updates records based on a key/value match.
-//
-// Behavior:
-//  1. Confirms model type.
-//  2. Fetches the matching record(s) using `getByKey`.
-//  3. Updates all non-zero fields.
-//
-// Parameters:
-//   - model: Pointer to struct containing updated values.
-//   - key:   Column name to filter by.
-//   - value: Value to match.
-//
-// Returns:
-//   - error: Any query or update error.
-func (dH *DBHandler) updateValuesByKey(model any, key string, value any) error {
-	dH.logger.Debug("updateValuesByKey", "model"+fmt.Sprint(model))
-	modelType := reflect.TypeOf(model)
-	if modelType.Kind() != reflect.Ptr {
-		return errors.New("model must be a pointer to struct")
-	}
-
-	lookUpModel := reflect.New(modelType.Elem()).Interface()
-	if err := dH.getByKey(lookUpModel, key, value, false); err != nil {
-		return err
-	}
-	return dH.db.Model(lookUpModel).Updates(model).Error
-}
-
-// deleteById
-//
-// Description:
-//
-//	Deletes records by their ID(s).
-//
-// Behavior:
-//   - If the first ID == 0, all records in the table are deleted.
-//   - Otherwise, deletes the provided IDs.
-//
-// Parameters:
-//   - model: Model struct type representing the table.
-//   - id:    Variadic list of IDs to delete.
-//
-// Returns:
-//   - error: Any deletion error.
-func (dH *DBHandler) deleteById(model any, id ...uint) error {
-	if id[0] == 0 {
-		dH.logger.Debug("deleteById", "delete all")
-		return dH.db.Where("1 = 1").Delete(model).Error
-	}
-
-	dH.logger.Debug("deleteById", "delete ids"+fmt.Sprint(id))
-	if err := dH.exists(model, "id", id, false); err != nil {
-		return err
-	}
-	return dH.db.Delete(model, id).Error
-}
-
-// deleteByKey
-//
-// Description:
-//
-//	Deletes records that match a key/value pair.
-//
-// Behavior:
-//   - Supports LIKE queries if `LikeSearch` is true.
-//
-// Parameters:
-//   - model:      Model struct type representing the table.
-//   - key:        Column name to filter by.
-//   - value:      Value to match.
-//   - LikeSearch: Whether to use wildcard search.
-//
-// Returns:
-//   - error: Any deletion error.
-func (dH *DBHandler) deleteByKey(model any, key string, value any, LikeSearch bool) error {
-	if LikeSearch {
-		value = strings.ReplaceAll(fmt.Sprint(value), "*", "%")
-		dH.logger.Debug("deleteByKey", "delete like key "+key+" value "+fmt.Sprint(value))
-		return dH.db.Where(key+" LIKE ?", value).Delete(model).Error
-	}
-
-	dH.logger.Debug("deleteByKey", "delete equal key "+key+" value "+fmt.Sprint(value))
-	return dH.db.Where(key+" = ?", value).Delete(model).Error
-}
-
-// exists
-//
-// Description:
-//
-//	Checks whether a record exists matching the specified key/value filter.
-//
-// Behavior:
-//   - Performs a `First` query on the database.
-//   - If `LikeSearch` is true, performs a LIKE query.
-//   - Returns an error if the record does not exist or query fails.
-//
-// Parameters:
-//   - model:      Model struct type to search.
-//   - key:        Column name to filter by.
-//   - value:      Value to match.
-//   - LikeSearch: Whether to use wildcard search.
-//
-// Returns:
-//   - error: “no record found” or DB error.
-func (dH *DBHandler) exists(model any, key string, value any, LikeSearch bool) (err error) {
-	if LikeSearch {
-		value = strings.ReplaceAll(fmt.Sprint(value), "*", "%")
-		key = key + " LIKE ?"
-	} else {
-		key = key + " = ?"
-	}
-
-	dH.logger.Debug("exists", "check if exists key "+key+" value "+fmt.Sprint(value))
-	err = dH.db.Where(key, value).First(model).Error
-	if errors.Is(err, gorm.ErrRecordNotFound) {
-		return fmt.Errorf("no record found for %s %v", key[:len(key)-1], value)
-	} else if err != nil {
-		return fmt.Errorf("query failed: %w", err)
-	}
-	return
-}

db_test.go

@@ -17,7 +17,7 @@ func TestAccesshandlerLogin(t *testing.T) {
 	t.Log("start access handler test")
 
 	t.Log("initialize accessHandler")
-	accessHandler, err := NewAccessHandler("test.db", nil)
+	accessHandler, err := NewAccessHandler(".", nil)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -99,7 +99,7 @@ func TestLoginHandler(t *testing.T) {
 	gin.SetMode(gin.TestMode)
 
 	// Setup your AccessHandler and router
-	aH, err := NewAccessHandler("test.db", nil)
+	aH, err := NewAccessHandler(".", nil)
 	if err != nil {
 		t.Fatal(err)
 	}

go.mod

@@ -3,13 +3,12 @@ module gitea.tecamino.com/paadi/access-handler
 go 1.24.5
 
 require (
+	gitea.tecamino.com/paadi/dbHandler v1.0.2
 	gitea.tecamino.com/paadi/tecamino-logger v0.2.1
 	github.com/gin-gonic/gin v1.11.0
-	github.com/glebarez/sqlite v1.11.0
 	github.com/go-playground/assert/v2 v2.2.0
 	github.com/golang-jwt/jwt/v5 v5.3.0
 	golang.org/x/crypto v0.43.0
-	gorm.io/gorm v1.31.0
 )
 
 require (
@@ -20,6 +19,7 @@ require (
 	github.com/gabriel-vasile/mimetype v1.4.8 // indirect
 	github.com/gin-contrib/sse v1.1.0 // indirect
 	github.com/glebarez/go-sqlite v1.21.2 // indirect
+	github.com/glebarez/sqlite v1.11.0 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/go-playground/validator/v10 v10.27.0 // indirect
@@ -52,6 +52,7 @@ require (
 	golang.org/x/tools v0.37.0 // indirect
 	google.golang.org/protobuf v1.36.9 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
+	gorm.io/gorm v1.31.0 // indirect
 	modernc.org/libc v1.22.5 // indirect
 	modernc.org/mathutil v1.5.0 // indirect
 	modernc.org/memory v1.5.0 // indirect

go.sum

@@ -1,3 +1,5 @@
+gitea.tecamino.com/paadi/dbHandler v1.0.2 h1:5d3sWIFY6JQLX0PGSTsxcvZFCSNTgtx4lHTX5lwF2H8=
+gitea.tecamino.com/paadi/dbHandler v1.0.2/go.mod h1:y/xn/POJg1DO++67uKvnO23lJQgh+XFQq7HZCS9Getw=
 gitea.tecamino.com/paadi/tecamino-logger v0.2.1 h1:sQTBKYPdzn9mmWX2JXZBtGBvNQH7cuXIwsl4TD0aMgE=
 gitea.tecamino.com/paadi/tecamino-logger v0.2.1/go.mod h1:FkzRTldUBBOd/iy2upycArDftSZ5trbsX5Ira5OzJgM=
 github.com/bytedance/sonic v1.14.0 h1:/OfKt8HFw0kh2rj8N0F6C/qPGRESq0BbaNZgcNXXzQQ=

loginApi.go

@@ -0,0 +1,227 @@
+package AccessHandler
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"time"
+
+	"gitea.tecamino.com/paadi/access-handler/models"
+	"gitea.tecamino.com/paadi/access-handler/utils"
+
+	"github.com/gin-gonic/gin"
+	"github.com/golang-jwt/jwt/v5"
+)
+
+// -----------------------------
+// 🧠 HANDLERS
+// -----------------------------
+
+// Login authenticates a user and returns JWT tokens (access + refresh).
+func (aH *AccessHandlerAPI) Login(c *gin.Context) {
+	var user models.User
+
+	aH.logger.Debug("Login", "bind JSON request")
+	if err := c.BindJSON(&user); err != nil {
+		aH.logger.Error("Login", err)
+		c.JSON(http.StatusBadRequest, models.NewJsonErrorResponse(err))
+		return
+	}
+
+	// Validate input
+	if !user.IsValid() {
+		aH.logger.Error("Login", "user empty")
+		c.JSON(http.StatusBadRequest, models.NewJsonMessageResponse("user empty"))
+		return
+	}
+
+	// Fetch user record from DB
+	var dbRecord []models.User
+	err := aH.dbHandler.GetByKey(&dbRecord, "user_name", user.Name, false)
+	if err != nil {
+		aH.logger.Error("Login", err)
+		c.JSON(http.StatusBadRequest, models.NewJsonErrorResponse(err))
+		return
+	}
+
+	if len(dbRecord) > 1 {
+		log.Println("multiple users found")
+		aH.logger.Error("Login", "more than one record found")
+		c.JSON(http.StatusInternalServerError, models.NewJsonMessageResponse("internal error"))
+		return
+	}
+
+	// Check password
+	if !utils.CheckPassword(user.Password, dbRecord[0].Password) {
+		aH.logger.Error("Login", "invalid password")
+		c.JSON(http.StatusUnauthorized, models.NewJsonMessageResponse("invalid credentials"))
+		return
+	}
+	user = dbRecord[0]
+
+	// -----------------------------
+	// 🔑 TOKEN CREATION
+	// -----------------------------
+	aH.logger.Debug("Login", "create tokens")
+
+	accessTokenExp := time.Now().Add(ACCESS_TOKEN_TIME)
+	refreshTokenExp := time.Now().Add(REFRESH_TOKEN_TIME)
+
+	// Create access token
+	accessToken := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
+		"id":       user.Id,
+		"username": user.Name,
+		"role":     user.Role,
+		"type":     "access",
+		"exp":      accessTokenExp.Unix(),
+	})
+
+	// Create refresh token
+	refreshToken := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
+		"id":       user.Id,
+		"username": user.Name,
+		"role":     user.Role,
+		"type":     "refresh",
+		"exp":      refreshTokenExp.Unix(),
+	})
+
+	// Sign tokens
+	accessString, err := accessToken.SignedString(ACCESS_SECRET)
+	if err != nil {
+		aH.logger.Error("Login", "failed to sign access token")
+		c.JSON(http.StatusInternalServerError, models.NewJsonMessageResponse("could not create access token"))
+		return
+	}
+
+	refreshString, err := refreshToken.SignedString(REFRESH_SECRET)
+	if err != nil {
+		aH.logger.Error("Login", "failed to sign refresh token")
+		c.JSON(http.StatusInternalServerError, models.NewJsonMessageResponse("could not create refresh token"))
+		return
+	}
+
+	// -----------------------------
+	// 🍪 SET COOKIES
+	// -----------------------------
+	aH.logger.Debug("Login", "set cookies")
+
+	secure := gin.Mode() == gin.ReleaseMode
+
+	c.SetCookie("access_token", accessString, int(time.Until(accessTokenExp).Seconds()),
+		"/", "", secure, true)
+	c.SetCookie("refresh_token", refreshString, int(time.Until(refreshTokenExp).Seconds()),
+		"/", "", secure, true)
+
+	aH.logger.Info("Login", "user "+user.Name+" logged in successfully")
+
+	c.JSON(http.StatusOK, gin.H{
+		"message":  "login successful",
+		"id":       user.Id,
+		"user":     user.Name,
+		"role":     user.Role,
+		"settings": user.Settings,
+	})
+}
+
+// Refresh generates a new access token from a valid refresh token.
+func (aH *AccessHandlerAPI) Refresh(c *gin.Context) {
+	aH.logger.Debug("Refresh", "get refresh cookie")
+
+	refreshCookie, err := c.Cookie("refresh_token")
+	if err != nil {
+		aH.logger.Error("Refresh", "no refresh token")
+		c.JSON(http.StatusUnauthorized, gin.H{"message": "no refresh token"})
+		return
+	}
+
+	// Validate token
+	aH.logger.Debug("Refresh", "parse token")
+	token, err := jwt.Parse(refreshCookie, 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 REFRESH_SECRET, nil
+	})
+	if err != nil || !token.Valid {
+		aH.logger.Error("Refresh", err)
+		c.JSON(http.StatusUnauthorized, gin.H{"message": "invalid refresh token"})
+		return
+	}
+
+	// Extract claims
+	claims, ok := token.Claims.(jwt.MapClaims)
+	if !ok || claims["type"] != "refresh" {
+		aH.logger.Error("Refresh", "invalid token type")
+		c.JSON(http.StatusUnauthorized, gin.H{"message": "invalid token type"})
+		return
+	}
+
+	username := claims["username"].(string)
+	id := int(claims["id"].(float64))
+	role := claims["role"].(string)
+
+	// Create new access token
+	aH.logger.Debug("Refresh", "create new access token")
+	accessExp := time.Now().Add(ACCESS_TOKEN_TIME)
+	newAccess := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
+		"id":       id,
+		"username": username,
+		"role":     role,
+		"exp":      accessExp.Unix(),
+	})
+	accessString, _ := newAccess.SignedString(ACCESS_SECRET)
+
+	// Set new access cookie
+	aH.logger.Debug("Refresh", "set new access cookie")
+	c.SetCookie("access_token", accessString, int(time.Until(accessExp).Seconds()),
+		"/", DOMAIN, gin.Mode() == gin.ReleaseMode, true)
+
+	c.JSON(http.StatusOK, gin.H{"message": "token refreshed"})
+}
+
+// Me returns information about the currently authenticated user.
+func (aH *AccessHandlerAPI) Me(c *gin.Context) {
+	aH.logger.Debug("Me", "get access cookie")
+
+	cookie, err := c.Cookie("access_token")
+	if err != nil {
+		aH.logger.Error("Me", err)
+		c.JSON(http.StatusUnauthorized, gin.H{"message": "not logged in"})
+		return
+	}
+
+	// Parse and validate access token
+	aH.logger.Debug("Me", "parse token")
+	token, err := jwt.Parse(cookie, func(t *jwt.Token) (any, error) {
+		if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, fmt.Errorf("unexpected signing method: %v", t.Header["alg"])
+		}
+		return ACCESS_SECRET, nil
+	})
+	if err != nil || !token.Valid {
+		aH.logger.Error("Me", err)
+		c.JSON(http.StatusUnauthorized, gin.H{"message": "invalid token"})
+		return
+	}
+
+	claims := token.Claims.(jwt.MapClaims)
+	c.JSON(http.StatusOK, gin.H{
+		"id":   claims["id"],
+		"user": claims["username"],
+		"role": claims["role"],
+	})
+}
+
+// Logout clears authentication cookies and ends the session.
+func (aH *AccessHandlerAPI) Logout(c *gin.Context) {
+	aH.logger.Info("Logout", "logout user")
+
+	secure := gin.Mode() == gin.ReleaseMode
+	aH.logger.Debug("Logout", fmt.Sprintf("domain=%s secure=%t", DOMAIN, secure))
+
+	// Clear cookies
+	c.SetCookie("access_token", "", -1, "/", DOMAIN, secure, true)
+	c.SetCookie("refresh_token", "", -1, "/", DOMAIN, secure, true)
+
+	c.JSON(http.StatusOK, gin.H{"message": "logged out"})
+}

models/role.go

@@ -5,3 +5,7 @@ type Role struct {
 	Role        string      `gorm:"column:role" json:"role"`
 	Permissions Permissions `gorm:"type:json" json:"permissions"`
 }
+
+func (r *Role) IsValid() bool {
+	return r.Role != ""
+}

role.go

@@ -19,7 +19,7 @@ import (
 // Returns:
 //   - error: Any database error encountered.
 func (aH *AccessHandler) AddRoleTable() error {
-	return aH.dbHandler.addNewTable(models.Role{})
+	return aH.dbHandler.AddNewTable(models.Role{})
 }
 
 // AddDefaultRole
@@ -45,7 +45,7 @@ func (aH *AccessHandler) AddDefaultRole() (err error) {
 	role := "admin"
 
 	// Check if a role with this name already exists
-	if err := aH.dbHandler.exists(&models.Role{}, "role", role, false); err == nil {
+	if err := aH.dbHandler.Exists(&models.Role{}, "role", role, false); err == nil {
 		// Found a role → skip creation
 		aH.logger.Debug("AddDefaultRole", "role "+role+" exists already")
 		return nil
@@ -57,7 +57,7 @@ func (aH *AccessHandler) AddDefaultRole() (err error) {
 	permissions.DefaultPermissions()
 
 	// Create the default admin role
-	aH.dbHandler.addNewColum(&models.Role{
+	aH.dbHandler.AddNewColum(&models.Role{
 		Role:        role,
 		Permissions: permissions,
 	})
@@ -82,13 +82,13 @@ func (aH *AccessHandler) AddDefaultRole() (err error) {
 //   - error: If the role already exists or insertion fails.
 func (aH *AccessHandler) AddNewRole(role string, permissions models.Permissions) (err error) {
 	// Check if a role with this name already exists
-	if err := aH.dbHandler.exists(&models.Role{}, "role", role, false); err == nil {
+	if err := aH.dbHandler.Exists(&models.Role{}, "role", role, false); err == nil {
 		// Found a role → skip creation
 		return fmt.Errorf("role with name %s already exists", role)
 	}
 
 	// Insert new role with provided permissions
-	aH.dbHandler.addNewColum(&models.Role{
+	aH.dbHandler.AddNewColum(&models.Role{
 		Role:        role,
 		Permissions: permissions,
 	})
@@ -108,7 +108,7 @@ func (aH *AccessHandler) AddNewRole(role string, permissions models.Permissions)
 //   - roles: A slice containing the matched role (usually length 1).
 //   - err:   Any database error encountered.
 func (aH *AccessHandler) GetRoleById(id uint) (roles []models.Role, err error) {
-	err = aH.dbHandler.getById(&roles, id)
+	err = aH.dbHandler.GetById(&roles, id)
 	return
 }
 
@@ -127,7 +127,7 @@ func (aH *AccessHandler) GetRoleById(id uint) (roles []models.Role, err error) {
 //   - roles: A list of matched roles.
 //   - err:   Any database error encountered.
 func (aH *AccessHandler) GetRoleByKey(key string, value any, likeSearch bool) (roles []models.Role, err error) {
-	err = aH.dbHandler.getByKey(&roles, key, value, likeSearch)
+	err = aH.dbHandler.GetByKey(&roles, key, value, likeSearch)
 	return
 }
 
@@ -144,7 +144,7 @@ func (aH *AccessHandler) GetRoleByKey(key string, value any, likeSearch bool) (r
 // Returns:
 //   - error: Any database error encountered.
 func (aH *AccessHandler) UpdateRoleById(id uint, role models.Role) error {
-	return aH.dbHandler.updateValuesById(&role, id)
+	return aH.dbHandler.UpdateValuesById(&role, id)
 }
 
 // UpdateRoleByKey
@@ -161,7 +161,7 @@ func (aH *AccessHandler) UpdateRoleById(id uint, role models.Role) error {
 // Returns:
 //   - error: Any database error encountered.
 func (aH *AccessHandler) UpdateRoleByKey(role models.Role, key string, value any) error {
-	return aH.dbHandler.updateValuesByKey(&role, key, value)
+	return aH.dbHandler.UpdateValuesByKey(&role, key, value)
 }
 
 // DeleteRoleById
@@ -176,7 +176,7 @@ func (aH *AccessHandler) UpdateRoleByKey(role models.Role, key string, value any
 // Returns:
 //   - error: Any database error encountered during deletion.
 func (aH *AccessHandler) DeleteRoleById(id uint) (err error) {
-	return aH.dbHandler.deleteById(&models.Role{}, id)
+	return aH.dbHandler.DeleteById(&models.Role{}, id)
 }
 
 // DeleteRoleByKey
@@ -193,5 +193,5 @@ func (aH *AccessHandler) DeleteRoleById(id uint) (err error) {
 // Returns:
 //   - error: Any database error encountered.
 func (aH *AccessHandler) DeleteRoleByKey(key string, value any, likeSearch bool) (err error) {
-	return aH.dbHandler.deleteByKey(&models.Role{}, key, value, likeSearch)
+	return aH.dbHandler.DeleteByKey(&models.Role{}, key, value, likeSearch)
 }

user.go

@@ -20,7 +20,7 @@ import (
 // Returns:
 //   - error: Any database error that occurs while creating the table.
 func (aH *AccessHandler) AddUserTable() error {
-	return aH.dbHandler.addNewTable(models.User{})
+	return aH.dbHandler.AddNewTable(models.User{})
 }
 
 // AddDefaultUser
@@ -49,7 +49,7 @@ func (aH *AccessHandler) AddDefaultUser() (err error) {
 	email := "zuercher@tecamino.ch"
 
 	// Check if a user with this email already exists
-	if err := aH.dbHandler.exists(&models.User{}, "email", email, false); err == nil {
+	if err := aH.dbHandler.Exists(&models.User{}, "email", email, false); err == nil {
 		aH.logger.Debug("AddDefaultUser", "user email "+email+" exists already")
 		// Found a user → skip create
 		return nil
@@ -61,7 +61,7 @@ func (aH *AccessHandler) AddDefaultUser() (err error) {
 	settings.DefaultQuasarSettings()
 
 	// Insert default admin user into the database
-	aH.dbHandler.addNewColum(&models.User{
+	aH.dbHandler.AddNewColum(&models.User{
 		Name:     name,
 		Role:     role,
 		Email:    email,
@@ -92,7 +92,7 @@ func (aH *AccessHandler) AddDefaultUser() (err error) {
 //   - error: If the user already exists or if hashing/insertion fails.
 func (aH *AccessHandler) AddNewUser(userName, email, password, role string) (err error) {
 	// Check if a user with this email already exists
-	if err := aH.dbHandler.exists(&models.User{}, "email", email, false); err == nil {
+	if err := aH.dbHandler.Exists(&models.User{}, "email", email, false); err == nil {
 		// Found a user → skip create
 		aH.logger.Error("AddNewUser", "user with email "+email+" already exists")
 		return fmt.Errorf("user with email %s already exists", email)
@@ -107,7 +107,7 @@ func (aH *AccessHandler) AddNewUser(userName, email, password, role string) (err
 	aH.logger.Debug("AddNewUser", "add new user "+userName+" with role "+role)
 
 	// Insert the new user record
-	aH.dbHandler.addNewColum(&models.User{
+	aH.dbHandler.AddNewColum(&models.User{
 		Name:     userName,
 		Role:     role,
 		Email:    email,
@@ -129,7 +129,7 @@ func (aH *AccessHandler) AddNewUser(userName, email, password, role string) (err
 //   - users: A slice containing the matched user (usually length 1).
 //   - err:   Any database error encountered.
 func (aH *AccessHandler) GetUserById(id uint) (users []models.User, err error) {
-	err = aH.dbHandler.getById(&users, id)
+	err = aH.dbHandler.GetById(&users, id)
 	return
 }
 
@@ -148,7 +148,7 @@ func (aH *AccessHandler) GetUserById(id uint) (users []models.User, err error) {
 //   - users: A list of users that match the search criteria.
 //   - err:   Any database error encountered.
 func (aH *AccessHandler) GetUserByKey(key string, value any, likeSearch bool) (users []models.User, err error) {
-	err = aH.dbHandler.getByKey(&users, key, value, likeSearch)
+	err = aH.dbHandler.GetByKey(&users, key, value, likeSearch)
 	return
 }
 
@@ -165,7 +165,7 @@ func (aH *AccessHandler) GetUserByKey(key string, value any, likeSearch bool) (u
 // Returns:
 //   - error: Any error encountered during the update.
 func (aH *AccessHandler) UpdateUserById(id uint, user models.User) error {
-	return aH.dbHandler.updateValuesById(&user, id)
+	return aH.dbHandler.UpdateValuesById(&user, id)
 }
 
 // UpdateUserByKey
@@ -182,7 +182,7 @@ func (aH *AccessHandler) UpdateUserById(id uint, user models.User) error {
 // Returns:
 //   - error: Any error encountered during the update.
 func (aH *AccessHandler) UpdateUserByKey(user models.User, key string, value any) error {
-	return aH.dbHandler.updateValuesByKey(&user, key, value)
+	return aH.dbHandler.UpdateValuesByKey(&user, key, value)
 }
 
 // DeleteUserById
@@ -197,7 +197,7 @@ func (aH *AccessHandler) UpdateUserByKey(user models.User, key string, value any
 // Returns:
 //   - error: Any database error encountered during deletion.
 func (aH *AccessHandler) DeleteUserById(id uint) (err error) {
-	return aH.dbHandler.deleteById(&models.User{}, id)
+	return aH.dbHandler.DeleteById(&models.User{}, id)
 }
 
 // DeleteUserByKey
@@ -214,5 +214,5 @@ func (aH *AccessHandler) DeleteUserById(id uint) (err error) {
 // Returns:
 //   - error: Any database error encountered during deletion.
 func (aH *AccessHandler) DeleteUserByKey(key string, value any, likeSearch bool) (err error) {
-	return aH.dbHandler.deleteByKey(&models.User{}, key, value, likeSearch)
+	return aH.dbHandler.DeleteByKey(&models.User{}, key, value, likeSearch)
 }

utils/utils.go

@@ -0,0 +1,8 @@
+package utils
+
+import "regexp"
+
+func IsValidEmail(email string) bool {
+	re := regexp.MustCompile(`^[a-zA-Z0-9._%+\-]+@[a-zA-Z0-9.\-]+\.[a-zA-Z]{2,}$`)
+	return re.MatchString(email)
+}