253 lines
5.6 KiB
Go
253 lines
5.6 KiB
Go
package main
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import (
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"database/sql"
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"fmt"
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_ "github.com/go-sql-driver/mysql"
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"golang.org/x/crypto/bcrypt"
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)
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func connectMysql() (*sql.DB, error) {
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db, err := sql.Open("mysql", "root:password@tcp(127.0.0.1:3306)/golang_user")
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if err != nil {
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panic(err.Error())
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}
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return db, nil
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}
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func addUser(_login string, _password string, _userDescription string) error {
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//do rejestracji uzytkownika
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// Insert do bazy Mysql Nowego użytkownika
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password := []byte(_password) //zamiana stringa na bajty dla funckji hashujacej
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db, err := connectMysql()
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if err != nil {
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panic(err.Error())
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return err
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}
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// Hashing the password with the default cost of 10
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hashedPassword, err := bcrypt.GenerateFromPassword(password, bcrypt.DefaultCost)
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encryptedPassword := string(hashedPassword)
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queryInsert := fmt.Sprintf(`INSERT INTO users (
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login,
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password,
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userDescription,
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points
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)VALUES (
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"%s",
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"%s",
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"%s",
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"%d"
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)`, _login, encryptedPassword, _userDescription, 0) //przy rejestracji kzdy ma 0 punktow
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fmt.Printf(queryInsert)
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insert, err := db.Query(queryInsert)
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if err != nil {
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panic(err.Error())
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return err
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}
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fmt.Println(insert)
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return nil
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}
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func getAllUsers() []User {
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//pobiera wszystkich uzytkownikow - do wysiwetlenie na front
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allUsers := []User{}
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db, err := connectMysql()
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result, err := db.Query("SELECT * FROM users")
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if err != nil {
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panic(err.Error())
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}
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for result.Next() {
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var user User
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err = result.Scan(&user.UserId, &user.Login, &user.Password, &user.UserDescription, &user.Points, &user.IsLogged)
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if err != nil {
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panic(err.Error())
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}
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fmt.Println(user)
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allUsers = append(allUsers, user)
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}
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// fmt.Println("All users: ", allUsers)
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// fmt.Println(reflect.TypeOf(allUsers))
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return allUsers
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}
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func checkLoginExists(_login string) (bool, error) {
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//sprawdza czy dany login jest juz w bazie, przy rejestracji przydatne
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db, err := connectMysql()
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querySelect := fmt.Sprintf(`SELECT login FROM users WHERE login='%s' ;`, _login)
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result, err := db.Query(querySelect)
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if err != nil {
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panic(err.Error())
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return false, err
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}
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for result.Next() {
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var userLogin string
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err = result.Scan(&userLogin)
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if err != nil {
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panic(err.Error())
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return false, err
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}
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if userLogin != "" {
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return true, nil
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}
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}
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return false, nil
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}
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func loginUser(_login string, _password string) (bool, error) {
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//do logowanie w bazie
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db, err := connectMysql()
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querySelect := fmt.Sprintf(`SELECT password FROM users WHERE login='%s' ;`, _login)
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result, err := db.Query(querySelect)
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if err != nil {
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panic(err.Error())
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return false, err
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}
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for result.Next() {
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var hashedPassword string
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err = result.Scan(&hashedPassword)
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if err != nil {
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panic(err.Error())
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return false, err
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}
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// Comparing the password with the hash
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err = bcrypt.CompareHashAndPassword([]byte(hashedPassword), []byte(_password))
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if err == nil { // nil means it is a match
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return true, nil
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}
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}
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return false, nil
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}
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func updateUserPoints(_login string) error {
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db, err := connectMysql()
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var userPoints int
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querySelectPoints := fmt.Sprintf(`SELECT points FROM users WHERE login='%s' ;`, _login)
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result, err := db.Query(querySelectPoints)
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if err != nil {
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panic(err.Error())
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return err
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}
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for result.Next() { //pobieranie aktualnej liczby punktow uzytkownika
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err = result.Scan(&userPoints)
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if err != nil {
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panic(err.Error())
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return err
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}
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}
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queryUpdatePoints := fmt.Sprintf(`UPDATE users SET points = %d WHERE login ='%s' ;`, userPoints+1, _login)
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result, err = db.Query(queryUpdatePoints)
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if err != nil {
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panic(err.Error())
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return err
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}
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return nil //jak bez bledow wszystko
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}
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func getAllLoggedUsers() ([]string, error) {
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//pobieranie listy obiektow zalogowanych uzytkownikow
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db, err := connectMysql()
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loggedUsers := make([]string, 0)
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result, err := db.Query("SELECT * FROM users WHERE isLogged = true;")
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if err != nil {
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panic(err.Error())
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fmt.Println("[getAllLoggedUsers] [Error] %s", err)
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return nil, err // zwraca nula jak nie uda sie pobrac listy loginow
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}
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for result.Next() {
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var user User
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err = result.Scan(&user.UserId, &user.Login, &user.Password, &user.UserDescription, &user.Points, &user.IsLogged)
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if err != nil {
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panic(err.Error())
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return nil, err // zwraca nula jak nie uda sie pobrac listy loginow
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fmt.Println("[getAllLoggedUsers] [Error] %s", err)
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}
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fmt.Println(user)
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loggedUsers = append(loggedUsers, user.Login)
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}
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fmt.Println("Wszyscy zalogowani: ", loggedUsers)
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return loggedUsers, nil // zwraca nula jak nie uda sie pobrac listy loginow
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}
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func updateLoggedUser(_login string) error {
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//aktualizuje stan uzytkownika na zalogowanego
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db, err := connectMysql()
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if err != nil {
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panic(err.Error())
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fmt.Println("[updateLoggedUser] [Error] %s", err)
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return err
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}
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updateLogin := fmt.Sprintf(`UPDATE users SET isLogged=true WHERE login='%s' ;`, _login)
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_, err = db.Query(updateLogin)
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if err != nil {
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panic(err.Error())
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fmt.Println("[getAllLoggedUsers] [Error] %s", err)
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return err
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}
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return nil
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}
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func updateLogoutUser(_login string) error {
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//aktualizuje stan na false jak sie uzytkownik wyloguje
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db, err := connectMysql()
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if err != nil {
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panic(err.Error())
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fmt.Println("[updateLoggedUser] [Error] Nie udało polaczy sie z baza")
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return err
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}
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updateLogout := fmt.Sprintf(`UPDATE users SET isLogged=false WHERE login='%s' ;`, _login)
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result, err := db.Query(updateLogout)
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fmt.Println("RESULT: ", result)
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if err != nil {
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panic(err.Error())
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fmt.Println("[getAllLoggedUsers] [Error] Nie udalo sie zaktulizowac wylogowanego uzytkownika")
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return err
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}
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return nil
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}
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