Added basic login functionality to login form

handlers/login.go

@@ -0,0 +1,75 @@
+package handlers
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"projectreshoot/cookies"
+	"projectreshoot/view/component/form"
+	"projectreshoot/view/page"
+)
+
+// TODO: here for testing only, move to database
+type User struct {
+	id       int
+	username string
+	password string
+}
+
+// TODO: here for testing only, move to database
+func testUser() User {
+	return User{id: 1, username: "Haelnorr", password: "test"}
+}
+
+func validateLogin(r *http.Request) (int, error) {
+	formUsername := r.FormValue("username")
+	formPassword := r.FormValue("password")
+	// TODO: search database for username
+	validUser := testUser()
+	// TODO: check password is valid
+	if formUsername != validUser.username || formPassword != validUser.password {
+		return 0, errors.New("Username or password incorrect")
+	}
+	// TODO: return the users ID
+	return validUser.id, nil
+}
+
+func checkRememberMe(r *http.Request) bool {
+	rememberMe := r.FormValue("remember-me")
+	if rememberMe == "on" {
+		return true
+	} else {
+		return false
+	}
+}
+
+func HandleLoginRequest() http.Handler {
+	return http.HandlerFunc(
+		func(w http.ResponseWriter, r *http.Request) {
+			r.ParseForm()
+			userID, err := validateLogin(r)
+			if err != nil {
+				// TODO: add debug log
+				fmt.Printf("Login failed: %s\n", err)
+				form.LoginForm(err.Error()).Render(r.Context(), w)
+				return
+			}
+
+			// TODO: login success, use the userID to set the session
+			rememberMe := checkRememberMe(r)
+			fmt.Printf("Login success, user ID: %v - remember me?: %t\n", userID, rememberMe)
+
+			pageFrom := cookies.CheckPageFrom(w, r)
+			w.Header().Set("HX-Redirect", pageFrom)
+		},
+	)
+}
+
+func HandleLoginPage() http.Handler {
+	return http.HandlerFunc(
+		func(w http.ResponseWriter, r *http.Request) {
+			cookies.SetPageFrom(w, r)
+			page.Login().Render(r.Context(), w)
+		},
+	)
+}