ch11.2

internal/models/errors.go

@@ -2,4 +2,8 @@ package models
 
 import "errors"
 
-var ErrNoRecord = errors.New("models: no matching record found")
+var (
+	ErrNoRecord           = errors.New("models: no matching record found")
+	ErrInvalidCredentials = errors.New("models: invalid credentials")
+	ErrDuplicateEmail     = errors.New("models: duplicate email")
+)

internal/models/users.go

@@ -0,0 +1,30 @@
+package models
+
+import (
+	"database/sql"
+	"time"
+)
+
+type User struct {
+	ID             int
+	Name           string
+	Email          string
+	HashedPassword []byte
+	Created        time.Time
+}
+
+type UserModel struct {
+	DB *sql.DB
+}
+
+func (m *UserModel) Insert(name, email, password string) error {
+	return nil
+}
+
+func (m *UserModel) Authenticate(email, password string) (int, error) {
+	return 0, nil
+}
+
+func (m *UserModel) Exists(id int) (bool, error) {
+	return false, nil
+}