added adduser registeruser changepassword deluser changeuser

database/db.go

@@ -3,16 +3,17 @@ package database
 import (
 	"fmt"
 	"form/model"
+	"os"
 
 	"gorm.io/driver/sqlite"
 	"gorm.io/gorm"
 )
 
-var db *gorm.DB
+var Db *gorm.DB
 
 func Init() error {
 	var err error
-	db, err = gorm.Open(sqlite.Open("users.db"), &gorm.Config{})
+	Db, err = gorm.Open(sqlite.Open(os.Getenv("USERS_DB")), &gorm.Config{})
 	if err != nil {
 		fmt.Println("failed to connect database")
 		return err
@@ -21,5 +22,5 @@ func Init() error {
 }
 
 func Migrate() {
-	db.AutoMigrate(&model.User{})
+	Db.AutoMigrate(&model.User{})
 }

database/users.go

@@ -12,7 +12,7 @@ import (
 )
 
 func CreateUser(user *model.User) error {
-	e := db.Where(model.User{
+	e := Db.Where(model.User{
 		Username: user.Username,
 	}).FirstOrCreate(&user).Error
 	if e != nil {
@@ -23,7 +23,7 @@ func CreateUser(user *model.User) error {
 
 func GetUserById(id string) (*model.User, error) {
 	var user model.User
-	e := db.First(&user, "id = ?", id).Error
+	e := Db.First(&user, "id = ?", id).Error
 	if e != nil {
 		if errors.Is(e, gorm.ErrRecordNotFound) {
 			return nil, fmt.Errorf("user not found")
@@ -35,7 +35,7 @@ func GetUserById(id string) (*model.User, error) {
 
 func GetUserByUsername(username string) (*model.User, error) {
 	var user model.User
-	e := db.First(&user, "username = ?", username).Error
+	e := Db.First(&user, "username = ?", username).Error
 	if e != nil {
 		if errors.Is(e, gorm.ErrRecordNotFound) {
 			return nil, fmt.Errorf("user not found")
@@ -47,14 +47,14 @@ func GetUserByUsername(username string) (*model.User, error) {
 
 func DeleteUser(id string) error {
 	var user model.User
-	e := db.First(&user, "id = ?", id).Error
+	e := Db.First(&user, "id = ?", id).Error
 	if e != nil {
 		if errors.Is(e, gorm.ErrRecordNotFound) {
 			return fmt.Errorf("user not found")
 		}
 		return e
 	}
-	e = db.Delete(&user).Error
+	e = Db.Unscoped().Delete(&user).Error
 	if e != nil {
 		if errors.Is(e, gorm.ErrRecordNotFound) {
 			return fmt.Errorf("user not found")
@@ -77,7 +77,7 @@ func GetUsersFromFile(filename string) []model.User {
 
 func GetAllUsers() ([]model.User, error) {
 	var users []model.User
-	e := db.Find(&users).Error
+	e := Db.Find(&users).Error
 	if e != nil {
 		return nil, e
 	}