modularised webserver and auth systems

internal/models/user.go

@@ -8,12 +8,16 @@ import (
 )
 
 type User struct {
-	ID         int    // Integer ID (index primary key)
+	id         int    // Integer ID (index primary key)
 	Username   string // Username (unique)
 	Created_at int64  // Epoch timestamp when the user was added to the database
 	Bio        string // Short byline set by the user
 }
 
+func (u User) ID() int {
+	return u.id
+}
+
 // Uses bcrypt to set the users Password_hash from the given password
 func (user *User) SetPassword(
 	tx *sql.Tx,
@@ -25,7 +29,7 @@ func (user *User) SetPassword(
 	}
 	newPassword := string(hashedPassword)
 	query := `UPDATE users SET password_hash = ? WHERE id = ?`
-	_, err = tx.Exec(query, newPassword, user.ID)
+	_, err = tx.Exec(query, newPassword, user.id)
 	if err != nil {
 		return errors.Wrap(err, "tx.Exec")
 	}
@@ -35,8 +39,8 @@ func (user *User) SetPassword(
 // Uses bcrypt to check if the given password matches the users Password_hash
 func (user *User) CheckPassword(tx *sql.Tx, password string) error {
 	query := `SELECT password_hash FROM users WHERE id = ? LIMIT 1`
-	row := tx.QueryRow(query, user.ID)
-	hashedPassword := ""
+	row := tx.QueryRow(query, user.id)
+	var hashedPassword string
 	err := row.Scan(&hashedPassword)
 	if err != nil {
 		return errors.Wrap(err, "row.Scan")
@@ -51,7 +55,7 @@ func (user *User) CheckPassword(tx *sql.Tx, password string) error {
 // Change the user's username
 func (user *User) ChangeUsername(tx *sql.Tx, newUsername string) error {
 	query := `UPDATE users SET username = ? WHERE id = ?`
-	_, err := tx.Exec(query, newUsername, user.ID)
+	_, err := tx.Exec(query, newUsername, user.id)
 	if err != nil {
 		return errors.Wrap(err, "tx.Exec")
 	}
@@ -61,7 +65,7 @@ func (user *User) ChangeUsername(tx *sql.Tx, newUsername string) error {
 // Change the user's bio
 func (user *User) ChangeBio(tx *sql.Tx, newBio string) error {
 	query := `UPDATE users SET bio = ? WHERE id = ?`
-	_, err := tx.Exec(query, newBio, user.ID)
+	_, err := tx.Exec(query, newBio, user.id)
 	if err != nil {
 		return errors.Wrap(err, "tx.Exec")
 	}

internal/models/user_functions.go

@@ -59,7 +59,7 @@ func scanUserRow(user *User, rows *sql.Rows) error {
 		return errors.New("User not found")
 	}
 	err := rows.Scan(
-		&user.ID,
+		&user.id,
 		&user.Username,
 		&user.Created_at,
 		&user.Bio,