125 lines
3.1 KiB
Go
125 lines
3.1 KiB
Go
package models
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import (
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"database/sql"
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"errors"
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"strings"
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"time"
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"github.com/mattn/go-sqlite3"
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"golang.org/x/crypto/bcrypt"
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)
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type User struct {
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ID int
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ShortId uint64
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Username string
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Email string
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IsDeleted bool
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IsBanned bool
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HashedPassword []byte
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Created time.Time
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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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func (m *UserModel) Insert(shortId uint64, username string, email string, password string) error {
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hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), 12)
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if err != nil {
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return err
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}
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stmt := `INSERT INTO users (ShortId, Username, Email, IsDeleted, IsBanned, HashedPassword, Created)
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VALUES (?, ?, ?, FALSE, FALSE, ?, ?)`
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_, err = m.DB.Exec(stmt, shortId, username, email, hashedPassword, time.Now().UTC())
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if err != nil {
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if sqliteError, ok := err.(sqlite3.Error); ok {
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if sqliteError.ExtendedCode == 2067 && strings.Contains(sqliteError.Error(), "Email") {
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return ErrDuplicateEmail
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}
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}
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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 *UserModel) Get(id uint64) (User, error) {
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stmt := `SELECT Id, ShortId, Username, Email, Created FROM users WHERE ShortId = ? AND IsDeleted = FALSE`
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row := m.DB.QueryRow(stmt, id)
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var u User
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err := row.Scan(&u.ID, &u.ShortId, &u.Username, &u.Email, &u.Created)
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if err != nil {
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if errors.Is(err, sql.ErrNoRows) {
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return User{}, ErrNoRecord
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}
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return User{}, err
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}
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return u, nil
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}
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func (m *UserModel) GetById(id int64) (User, error) {
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stmt := `SELECT Id, ShortId, Username, Email, Created FROM users WHERE Id = ? AND IsDeleted = FALSE`
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row := m.DB.QueryRow(stmt, id)
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var u User
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err := row.Scan(&u.ID, &u.ShortId, &u.Username, &u.Email, &u.Created)
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if err != nil {
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if errors.Is(err, sql.ErrNoRows) {
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return User{}, ErrNoRecord
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}
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return User{}, err
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}
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return u, nil
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}
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func (m *UserModel) GetAll() ([]User, error) {
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stmt := `SELECT Id, ShortId, Username, Email, Created FROM users WHERE IsDeleted = FALSE`
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rows, err := m.DB.Query(stmt)
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var users []User
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for rows.Next() {
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var u User
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err = rows.Scan(&u.ID, &u.ShortId, &u.Username, &u.Email, &u.Created)
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if err != nil {
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return nil, err
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}
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users = append(users, u)
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}
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if err = rows.Err(); err != nil {
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return nil, err
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}
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return users, nil
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}
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func (m *UserModel) Authenticate(email, password string) (int64, error) {
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var id int64
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var hashedPassword []byte
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stmt := `SELECT Id, HashedPassword FROM users WHERE Email = ?`
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err := m.DB.QueryRow(stmt, email).Scan(&id, &hashedPassword)
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if err != nil {
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if errors.Is(err, sql.ErrNoRows) {
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return 0, ErrInvalidCredentials
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} else {
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return 0, err
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}
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}
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err = bcrypt.CompareHashAndPassword(hashedPassword, []byte(password))
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if err != nil {
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if errors.Is(err, bcrypt.ErrMismatchedHashAndPassword) {
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return 0, ErrInvalidCredentials
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} else {
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return 0, err
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}
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}
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return id, nil
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}
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func (m *UserModel) Exists(id int64) (bool, error) {
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var exists bool
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stmt := `SELECT EXISTS(SELECT true FROM users WHERE Id = ? AND IsDeleted = False)`
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err := m.DB.QueryRow(stmt, id).Scan(&exists)
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return exists, err
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}
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