Handle user creation upon registration.

controllers/register.go

@@ -3,35 +3,70 @@ package controllers
 import (
 	"goweb/msg"
 
+	"golang.org/x/crypto/bcrypt"
+
 	"github.com/labstack/echo/v4"
 )
 
-type Register struct {
-	Controller
-}
+type (
+	Register struct {
+		Controller
+		form RegisterForm
+	}
+
+	RegisterForm struct {
+		Username string `form:"username" validate:"required"`
+		Password string `form:"password" validate:"required"`
+	}
+)
 
 func (r *Register) Get(c echo.Context) error {
 	p := NewPage(c)
 	p.Layout = "auth"
 	p.Name = "register"
 	p.Title = "Register"
-	p.Data = "This is the login page"
+	p.Data = r.form
 	return r.RenderPage(c, p)
 }
 
 func (r *Register) Post(c echo.Context) error {
+	fail := func(message string, err error) error {
+		c.Logger().Errorf("%s: %v", message, err)
+		msg.Danger(c, "An error occurred. Please try again.")
+		return r.Get(c)
+	}
+
+	// Parse the form values
+	form := new(RegisterForm)
+	if err := c.Bind(form); err != nil {
+		return fail("unable to parse form values", err)
+	}
+	r.form = *form
+
+	// Validate the form
+	if err := c.Validate(form); err != nil {
+		msg.Danger(c, "All fields are required.")
+		return r.Get(c)
+	}
+
+	// Hash the password
+	pwHash, err := bcrypt.GenerateFromPassword([]byte(form.Password), bcrypt.DefaultCost)
+	if err != nil {
+		return fail("unable to hash password", err)
+	}
+
+	// Attempt creating the user
 	u, err := r.Container.Ent.User.
 		Create().
-		SetUsername(c.FormValue("username")).
-		SetPassword(c.FormValue("password")).
+		SetUsername(form.Username).
+		SetPassword(string(pwHash)).
 		Save(c.Request().Context())
 
 	if err != nil {
-		c.Logger().Error(err)
-	} else {
-		c.Logger().Infof("user created: %s", u.Username)
+		return fail("unable to create user", err)
 	}
 
-	msg.Danger(c, "Registration is currently disabled.")
-	return r.Get(c)
+	c.Logger().Infof("user created: %s", u.Username)
+	msg.Info(c, "Your account has been created. You are now logged in.")
+	return r.Redirect(c, "home")
 }