293 lines
7.0 KiB
Go
293 lines
7.0 KiB
Go
//
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// Created by vfs on 02.05.2024.
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//
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package main
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import "fmt"
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import "errors"
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import "time"
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//import "golang.org/x/crypto/bcrypt"
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import "database/sql"
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import _ "github.com/lib/pq"
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import "log"
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import "github.com/alexedwards/argon2id"
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import "github.com/stripe/stripe-go/v78"
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import "github.com/stripe/stripe-go/v78/customer"
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var ErrNoRecord = errors.New("no matching record found")
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var ErrInvalidCredentials = errors.New("invalid credentials")
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var ErrDuplicateEmail = errors.New("duplicate email")
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var ErrDuplicateUsername = errors.New("duplicate username")
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type Account struct {
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ID int32
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Username string
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Password []byte
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Color int32
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Firstname string
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Lastname string
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Email string
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Created time.Time
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StripeID string
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}
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type SubscriptionStatus string
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const (
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incomplete SubscriptionStatus = "incomplete"
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incomplete_expired SubscriptionStatus = "incomplete_expired"
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trialing SubscriptionStatus = "trialing"
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active SubscriptionStatus = "active"
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past_due SubscriptionStatus = "past_due"
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canceled SubscriptionStatus = "canceled"
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unpaid SubscriptionStatus = "unpaid"
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paused SubscriptionStatus = "paused"
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)
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type Subscription struct {
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ID int32
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AccountID int32
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StripeSubscriptionID string
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StripeCheckoutID string
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Status SubscriptionStatus
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}
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type Usermodel struct {
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DB *sql.DB
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}
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type SubscriptionModel struct {
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DB *sql.DB
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}
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func (m *Usermodel) Insert(username string, password string, firstname string, lastname string, email string) (int32, error) {
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//hashedpassword, err := bcrypt.GenerateFromPassword([]byte(password), 12)
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hashedpassword, err := argon2id.CreateHash(password, argon2id.DefaultParams)
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//log.Println(hashedpassword)
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stmt := `INSERT INTO accounts (username, password, firstname, lastname, email, created) VALUES ($1, $2, $3, $4, $5, NOW()) RETURNING id`
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var insertid int32
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row := m.DB.QueryRow(stmt, username, string(hashedpassword), firstname, lastname, email)
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if row.Err() != nil {
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log.Println(row.Err())
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return 0, row.Err()
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}
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err = row.Scan(&insertid)
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if err != nil {
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log.Println(err)
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return 0, err
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}
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params := &stripe.CustomerParams{
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Name: stripe.String(fmt.Sprintf("%s %s", firstname, lastname)),
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Email: stripe.String(email),
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}
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customer, err := customer.New(params)
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stmt = `UPDATE accounts SET stripe_id = $1 WHERE id = $2`
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//log.Println(customer.ID, insertid)
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_, err = m.DB.Exec(stmt, customer.ID, insertid)
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if err != nil {
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log.Println(err)
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return 0, err
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}
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return insertid, nil
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}
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func (m *Usermodel) Delete(id int32) error {
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account, err := users.GetAccount(id)
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if account.StripeID != "" {
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/*result*/_, err := customer.Del(account.StripeID, nil)
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if err != nil {
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log.Println(err)
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}
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//log.Println(result)
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}
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stmt := `DELETE FROM accounts WHERE id = $1`
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_, err = m.DB.Exec(stmt, id)
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if err != nil {
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log.Println(err)
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}
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return nil
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}
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func (m *Usermodel) GetAccount(id int32) (Account, error) {
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if id == 0 {
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return Account{}, ErrNoRecord
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}
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stmt := `SELECT id, username, password, color, firstname, lastname, email, created, stripe_id FROM accounts WHERE id = $1`
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row := m.DB.QueryRow(stmt, id)
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var account Account
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err := row.Scan(&account.ID, &account.Username, &account.Password, &account.Color, &account.Firstname, &account.Lastname, &account.Email, &account.Created, &account.StripeID)
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if err == sql.ErrNoRows {
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return Account{}, sql.ErrNoRows
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} else if err != nil {
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return Account{}, err
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}
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return account, nil
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}
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func (m *Usermodel) Authenticate(username string, password string) (int32, error) {
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var id int32
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var hashedpassword string
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row := m.DB.QueryRow("SELECT id, password FROM accounts WHERE username = $1", username)
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err := row.Scan(&id, &hashedpassword)
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if err == sql.ErrNoRows {
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return 0, ErrInvalidCredentials
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}
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match, err := argon2id.ComparePasswordAndHash(password, hashedpassword)
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if !match {
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return 0, ErrInvalidCredentials
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} else if err != nil {
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return 0, err
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}
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return id, nil
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}
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func (m *Usermodel) ExistsAccount(id int32) bool {
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var exists bool
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stmt := `SELECT EXISTS(SELECT 1 FROM accounts WHERE id = $1)`
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row := m.DB.QueryRow(stmt, id)
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if row.Err() != nil {
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log.Println(row.Err())
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}
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row.Scan(&exists)
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//log.Println(exists)
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return exists
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}
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func (m *SubscriptionModel) Insert(stripeid string, stripesubscriptionid string, stripecheckoutid string, status stripe.SubscriptionStatus) (int32, error) {
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var id int32
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stmt := `SELECT id FROM accounts WHERE stripe_id = $1`
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row := m.DB.QueryRow(stmt, stripeid)
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if row.Err() != nil {
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log.Println(row.Err())
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return 0, row.Err()
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}
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err := row.Scan(&id)
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if err != nil {
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log.Println(err)
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return 0, err
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}
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stmt = `INSERT INTO subscriptions (account_id, stripe_subscription_id, stripe_checkout_id, status) VALUES ($1, $2, $3, $4::subscription_status) RETURNING id`
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var insertid int32
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row = m.DB.QueryRow(stmt, id, string(stripesubscriptionid), string(stripecheckoutid), string(status))
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if row.Err() != nil {
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log.Println(row.Err())
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return 0, row.Err()
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}
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err = row.Scan(&insertid)
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if err != nil {
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log.Println(err)
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return 0, err
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}
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return insertid, nil
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}
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func (m *SubscriptionModel) Delete(id int32) error {
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stmt := `DELETE FROM accounts WHERE id = $1`
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_, err := m.DB.Exec(stmt, id)
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if err != nil {
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log.Println(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 (m *SubscriptionModel) GetSubscription(id int32) (Subscription, error) {
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if id == 0 {
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return Subscription{}, ErrNoRecord
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}
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stmt := `SELECT id, account_id, stripe_subscription_id, stripe_checkout_id, status FROM subscriptions WHERE id = $1`
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row := m.DB.QueryRow(stmt, id)
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var subscription Subscription
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err := row.Scan(&subscription.ID, &subscription.AccountID, &subscription.StripeSubscriptionID, &subscription.StripeCheckoutID, &subscription.Status)
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if err == sql.ErrNoRows {
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return Subscription{}, sql.ErrNoRows
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} else if err != nil {
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return Subscription{}, err
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}
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//log.Println(subscription.Status)
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return subscription, nil
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}
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func (m *SubscriptionModel) GetSubscriptionsFromAccount(accountid int32) ([]Subscription, error) {
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if accountid == 0 {
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return nil, ErrNoRecord
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}
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stmt := `SELECT id, account_id, stripe_subscription_id, stripe_checkout_id, status FROM subscriptions WHERE account_id = $1`
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rows, err := m.DB.Query(stmt, accountid)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var subscriptions []Subscription
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for rows.Next() {
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var subscription Subscription
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err := rows.Scan(&subscription.ID, &subscription.AccountID, &subscription.StripeSubscriptionID, &subscription.StripeCheckoutID, &subscription.Status)
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if err == sql.ErrNoRows {
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return nil, sql.ErrNoRows
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} else if err != nil {
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return nil, err
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}
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subscriptions = append(subscriptions, subscription)
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}
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return subscriptions, nil
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}
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func (m *SubscriptionModel) HasActiveSubscription(accountid int32) bool {
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subscriptions, err := m.GetSubscriptionsFromAccount(accountid)
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if err != nil {
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return false
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}
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for _, v := range subscriptions {
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if v.Status == active {
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return true
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} else if v.Status == trialing {
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return true
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}
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}
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return false
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}
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