Added database support and update login to utilize db

handlers/login.go

@@ -1,37 +1,32 @@
 package handlers
 
 import (
-	"errors"
+	"database/sql"
 	"fmt"
 	"net/http"
+
 	"projectreshoot/cookies"
+	"projectreshoot/db"
 	"projectreshoot/view/component/form"
 	"projectreshoot/view/page"
+
+	"github.com/pkg/errors"
 )
 
-// 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) {
+func validateLogin(conn *sql.DB, r *http.Request) (db.User, 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")
+
+	user, err := db.GetUserFromUsername(conn, formUsername)
+	if err != nil {
+		return db.User{}, errors.Wrap(err, "db.GetUserFromUsername")
 	}
-	// TODO: return the users ID
-	return validUser.id, nil
+
+	err = user.CheckPassword(formPassword)
+	if err != nil {
+		return db.User{}, errors.New("Username or password incorrect")
+	}
+	return user, nil
 }
 
 func checkRememberMe(r *http.Request) bool {
@@ -43,21 +38,23 @@ func checkRememberMe(r *http.Request) bool {
 	}
 }
 
-func HandleLoginRequest() http.Handler {
+func HandleLoginRequest(conn *sql.DB) http.Handler {
 	return http.HandlerFunc(
 		func(w http.ResponseWriter, r *http.Request) {
 			r.ParseForm()
-			userID, err := validateLogin(r)
+			user, err := validateLogin(conn, 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)
+			fmt.Printf(
+				"Login success, user: %v - remember me?: %t\n",
+				user.Username,
+				rememberMe,
+			)
 
 			pageFrom := cookies.CheckPageFrom(w, r)
 			w.Header().Set("HX-Redirect", pageFrom)