diff --git a/pkg/repository/auth_schema.go b/pkg/repository/auth_schema.go
new file mode 100644
index 0000000..709bfd6
--- /dev/null
+++ b/pkg/repository/auth_schema.go
@@ -0,0 +1,86 @@
+package repository
+
+import (
+	"errors"
+	"esauth"
+	"fmt"
+	"math/rand/v2"
+
+	"github.com/sirupsen/logrus"
+	"gorm.io/gorm"
+)
+
+type AuthSchema struct {
+	db *gorm.DB
+}
+
+func NewAuthSchema(db *gorm.DB) *AuthSchema {
+	return &AuthSchema{db: db}
+}
+
+func (r AuthSchema) CreateUser(user *esauth.User) (int64, error) {
+	if user.Username != "" {
+		userF := esauth.User{}
+		err := r.db.Find(&userF, "username = ?", user.Username).Error
+		if (err == nil) && (userF.Id > 0) && (userF.Id != user.Id) {
+			logrus.Warnf("Same username USER: %d (%s) -> %s", userF.Id, user.FirstName, userF.Username)
+			user.Username += fmt.Sprintf("%d", (rand.IntN(999999) + 1))
+			return r.CreateUser(user)
+		}
+	}
+	err := r.db.Create(&user).Error
+	return user.Id, err
+}
+
+func (r AuthSchema) SaveUser(user *esauth.User) (int64, error) {
+	if user.Username != "" {
+		userF := esauth.User{}
+		err := r.db.Find(&userF, "username = ?", user.Username).Error
+		if (err == nil) && (userF.Id >= 0) && (userF.Id != user.Id) {
+			return -1, errors.New("username already used")
+		}
+	}
+	err := r.db.Save(user).Error
+	return user.Id, err
+}
+
+func (r AuthSchema) GetUser(id int64) (esauth.User, error) {
+	user := esauth.User{}
+	err := r.db.Find(&user, "id = ?", id).Error
+	if user.Id == -1 {
+		err = fmt.Errorf("unknown user %d", id)
+	}
+	return user, err
+}
+
+func (r AuthSchema) FindUser(query, param string) (esauth.User, error) {
+	user := esauth.User{}
+	err := r.db.Find(&user, query, param).Error
+	return user, err
+}
+
+func (r AuthSchema) GetUsers(start, limit int) []int64 {
+	result := []esauth.User{}
+	r.db.Select("id").Limit(limit).Offset(start).Find(&result)
+	var ans = make([]int64, len(result))
+	for i, res := range result {
+		ans[i] = res.Id
+	}
+	return ans
+}
+
+func (r AuthSchema) GetUsersCount() int64 {
+	var count int64 = 0
+	r.db.Model(&esauth.User{}).Count(&count)
+	return count
+}
+
+func (r AuthSchema) DeleteUser(id int64) error {
+	user := esauth.User{}
+	err := r.db.Find(&user, "id = ?", id).Error
+	if user.Id == -1 {
+		err = fmt.Errorf("unknown user %d", id)
+	}
+	r.db.Delete(user)
+	return err
+}