alfheim-website/models.go

112 lines
2.7 KiB
Go

//
// Created by vfs on 02.05.2024.
//
package main
import "errors"
import "time"
import "golang.org/x/crypto/bcrypt"
import "database/sql"
import _ "github.com/lib/pq"
import "fmt"
import "github.com/stripe/stripe-go/v78"
import "github.com/stripe/stripe-go/v78/customer"
var ErrRoRecord = errors.New("no matching record found")
var ErrInvalidCredentials = errors.New("invalid credentials")
var ErrDuplicateEmail = errors.New("duplicate email")
type Account struct {
Id int32
Username string
Password []byte
Color int32
Firstname string
Lastname string
Email string
Created time.Time
StripeID string
}
type Usermodel struct {
DB *sql.DB
}
func (m *Usermodel) Insert(username string, password string, firstname string, lastname string, email string) error {
params := &stripe.CustomerParams{
Name: stripe.String(fmt.Sprintf("%s %s", firstname, lastname)),
Email: stripe.String(email),
}
customer, err := customer.New(params)
hashedpassword, err := bcrypt.GenerateFromPassword([]byte(password), 12)
stmt := `INSERT INTO accounts (username, password, firstname, lastname, email, created, stripe_id) VALUES ($1, $2, $3, $4, $5, NOW(), $6);`
_, err = m.DB.Exec(stmt, username, string(hashedpassword), firstname, lastname, email, customer.ID)
if err != nil {
fmt.Println(err)
}
return nil
}
func (m *Usermodel) Delete(id int32) error {
account, err := users.Get_account(id)
result, err := customer.Del(account.StripeID, nil)
if err != nil {
fmt.Println(err)
}
fmt.Println(result)
stmt := `DELETE FROM accounts WHERE id = $1;`
_, err = m.DB.Exec(stmt, id)
if err != nil {
fmt.Println(err)
}
return nil
}
func (m *Usermodel) Get_account(id int32) (Account, error) {
if id == 0 {
return Account{}, nil
}
stmt := `SELECT id, username, password, color, firstname, lastname, email, created, stripe_id FROM accounts WHERE id = $1;`
row := m.DB.QueryRow(stmt, id)
var account Account
err := row.Scan(&account.Id, &account.Username, &account.Password, &account.Color, &account.Firstname, &account.Lastname, &account.Email, &account.Created, &account.StripeID)
if err == sql.ErrNoRows {
return Account{}, sql.ErrNoRows
} else if err != nil {
return Account{}, err
}
return account, nil
}
func (m *Usermodel) Authenticate(username string, password string) (int32, error) {
var id int32
var hashedpassword []byte
row := m.DB.QueryRow("SELECT id, password FROM accounts WHERE username = $1", username)
err := row.Scan(&id, &hashedpassword)
if err == sql.ErrNoRows {
return 0, ErrInvalidCredentials
}
err = bcrypt.CompareHashAndPassword(hashedpassword, []byte(password))
if err == bcrypt.ErrMismatchedHashAndPassword {
return 0, ErrInvalidCredentials
} else if err != nil {
return 0, err
}
return id, nil
}