Added method to add first user on first run

config.ini

@@ -6,3 +6,10 @@ User = root
 Password = jup2000
 Host = 127.0.0.1
 Database = library2
+
+; First user to be created, on every startup the program checks if he exists, if not it creates it
+[User]
+Name = Nie Mand
+Username = konrad
+Password = 1234
+Email = k@knt.li

models/config.go

@@ -3,10 +3,11 @@ package models
 import (
 	"github.com/go-ini/ini"
 	"os"
+	"fmt"
 )
 
 // Config holds the config struct
-var Config struct {
+type ConfigStruct struct {
 	Database struct {
 		Host     string
 		User     string
@@ -15,8 +16,12 @@ var Config struct {
 	}
 
 	JWTLoginSecret []byte
+
+	FirstUser User `ini:"User"`
 }
 
+var Config = new(ConfigStruct)
+
 // SetConfig initianlises the config and publishes it for other functions to use
 func SetConfig() error {
 
@@ -30,8 +35,25 @@ func SetConfig() error {
 		return err
 	}
 
-	// Database
+	err = cfg.MapTo(Config)
-	cfg.Section("Database").MapTo(Config.Database)
+	if err != nil {
+		return err
+	}
+
+	// Check if the first user already exists, aka a user with the ID = 1. If not, insert it
+	_, exists, err := GetUserByID(1)
+	if err != nil {
+		return err
+	}
+
+	// If it doesn't exist, create it
+	if !exists {
+		_, err = CreateUser(Config.FirstUser)
+		if err != nil {
+			return err
+		}
+		fmt.Println("Created new user " + Config.FirstUser.Username)
+	}
 
 	// JWT secret
 	Config.JWTLoginSecret = []byte(cfg.Section("General").Key("JWTSecret").String())

models/user.go

@@ -15,9 +15,9 @@ type UserLogin struct {
 type User struct {
 	ID       int64  `xorm:"int(11) autoincr not null unique pk"`
 	Name     string `xorm:"varchar(250)"`
-	Username string `xorm:"varchar(250) not null"`
+	Username string `xorm:"varchar(250) not null unique"`
 	Password string `xorm:"varchar(250) not null"`
-	Email    string `xorm:"varchar(250) not null"`
+	Email    string `xorm:"varchar(250)"`
 	Created  int64  `xorm:"created"`
 	Updated  int64  `xorm:"updated"`
 }
@@ -27,8 +27,54 @@ func (User) TableName() string {
 	return "users"
 }
 
+// GetUserByID gets informations about a user by its ID
+func GetUserByID(id int64) (user User, exists bool, err error) {
+	exists, err = x.Id(id).Get(&user)
+	return user, exists, err
+}
+
+func GetUserByUsername(username string) (user User, exists bool, err error) {
+	user.Username = username
+	exists, err = x.Get(&user)
+	return user, exists, err
+}
+
+// CreateUser creates a new user and inserts it into the database
+func CreateUser(user User) (newUser User, err error) {
+
+	newUser = user
+
+	// Check if we have all needed informations
+	if newUser.Password == "" || newUser.Username == "" {
+		return User{}, fmt.Errorf("You need to specify at least a username and a password!")
+	}
+
+	// Check if the user already exists
+	_, exists, err := GetUserByUsername(newUser.Username)
+	if err != nil {
+		return User{}, err
+	}
+	if exists {
+		return User{}, fmt.Errorf("This username is already taken. Please use another.")
+	}
+
+	// Hash the password
+	newUser.Password, err = hashPassword(user.Password)
+	if err != nil {
+		return User{}, err
+	}
+
+	// Insert it
+	_, err = x.Insert(newUser)
+	if err != nil {
+		return User{}, err
+	}
+
+	return newUser, nil
+}
+
 // HashPassword hashes a password
-func HashPassword(password string) (string, error) {
+func hashPassword(password string) (string, error) {
 	bytes, err := bcrypt.GenerateFromPassword([]byte(password), 14)
 	return string(bytes), err
 }

routes/routes.go

@@ -38,7 +38,7 @@ func RegisterRoutes(e *echo.Echo) {
 	})
 
 	// Basic Route
-	e.Static("/", "assets/index.html")
+	e.Static("/", "frontend/dist/")
 
 	// Login Route
 	e.POST("/login", Login)