107 lines
3 KiB
Go
107 lines
3 KiB
Go
package paneldb
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import (
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"fmt"
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"github.com/go-pg/pg"
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"github.com/pkg/errors"
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"golang.org/x/crypto/bcrypt"
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)
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// An User represents a user of the application.
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type User struct {
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ID string `sql:"uid"`
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Name string `sql:"username"`
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Email string `sql:"email"`
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DateCreated string `sql:"date_created"`
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PasswordHash string `sql:"password"`
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}
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func (u User) String() string {
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return fmt.Sprintf("{User: %s <%s>}", u.Name, u.Email)
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}
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// DB represents the application database. It provides high-level methods to get and manipulate objects.
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type DB struct {
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PgDB *pg.DB
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Schema string
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}
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// Setup will create schemas and tables as appropriate
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func (db *DB) Setup() error {
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_, err := db.PgDB.Exec(`CREATE SCHEMA IF NOT EXISTS users`)
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if err != nil {
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return errors.Wrap(err, "Error creating schema")
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}
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fmt.Println("schema created")
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_, err = db.PgDB.Exec(`CREATE TABLE IF NOT EXISTS users.users (
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uid UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
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username varchar(64) UNIQUE NOT NULL,
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email varchar(100) UNIQUE NOT NULL,
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date_created TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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password varchar(256) NOT NULL
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)`)
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if err != nil {
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return errors.Wrap(err, "Error creating users table")
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}
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fmt.Println("table created")
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return nil
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}
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// UserAdd will add a user to the database
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func (db *DB) UserAdd(username, email, pwd string) error {
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stmt, err := db.PgDB.Prepare("INSERT INTO users.users (username, email, password) VALUES ($1, $2, $3)")
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if err != nil {
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return errors.Wrap(err, "Error preparing insert statement")
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}
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pwhash, err := bcrypt.GenerateFromPassword([]byte(pwd), bcrypt.DefaultCost)
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if err != nil {
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return errors.Wrap(err, "Error deriving password (with bcrypt)")
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}
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_, err = stmt.Exec(username, email, string(pwhash))
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if err != nil {
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return errors.Wrapf(err, "Error adding user `%s`", username)
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}
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return nil
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}
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// GetUsers returns an array of Users
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func (db *DB) GetUsers() ([]User, error) {
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var users []User
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_, err := db.PgDB.Query(&users, "SELECT * FROM users.users")
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if err != nil {
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return users, errors.Wrap(err, "User enumeration failed")
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}
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return users, err
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}
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// GetUserByName Search for exact username
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func (db *DB) GetUserByName(username string) (User, error) {
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var user User
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_, err := db.PgDB.QueryOne(&user, `SELECT * FROM users.users WHERE username = ?`, username)
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if err != nil {
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return user, errors.Wrap(err, "User fetch failed")
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}
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return user, nil
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}
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// GetUserByEmail searches for exact email
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func (db *DB) GetUserByEmail(email string) (User, error) {
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var user User
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_, err := db.PgDB.QueryOne(&user, "SELECT * FROM users.users WHERE email = ?", email)
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if err != nil {
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return user, errors.Wrap(err, "User fetch failed")
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}
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return user, nil
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}
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// GetUserByID search for exact uid
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func (db *DB) GetUserByID(uid string) (User, error) {
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var user User
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_, err := db.PgDB.QueryOne(&user, "SELECT * FROM users.users WHERE uid=$1", uid)
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if err != nil {
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return user, errors.Wrap(err, "User fetch failed")
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}
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return user, nil
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}
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