From f826204f2edbf82d842b6f24f1c4b83e70ec7d46 Mon Sep 17 00:00:00 2001
From: Emil Miler <emil.miler@pedf.cuni.cz>
Date: Sun, 15 Nov 2020 10:49:21 +0100
Subject: [PATCH] =?UTF-8?q?Zp=C4=9Btn=C3=A1=20vazba=20po=20odesl=C3=A1n?=
 =?UTF-8?q?=C3=AD=20formul=C3=A1=C5=99e?=
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Po odeslání formuláře je uživatel přesměrován zpět s parametrem
`odeslano`. JavaScript ve stránce odchytává parametry a pokud narazí na
tento daný parametr, ohlásí uživateli, že formulář byl odeslán.
---
 static/php/insert.php |  2 +-
 templates/index.html  |  2 ++
 templates/page.html   | 11 +++++++++++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/static/php/insert.php b/static/php/insert.php
index 48c8126..09e5db2 100644
--- a/static/php/insert.php
+++ b/static/php/insert.php
@@ -79,5 +79,5 @@ $db = new database("./db/database.db");
 $query = createquery($_REQUEST["form"]);
 $db->query("$query[0]",$query[1]);
 
-$refer = (!empty($_SERVER["HTTP_REFERER"]) ? $_SERVER["HTTP_REFERER"] : "/");
+$refer = (!empty($_SERVER["HTTP_REFERER"]) ? $_SERVER["HTTP_REFERER"]."?odeslano" : "/");
 header("Location: ".$refer);
diff --git a/templates/index.html b/templates/index.html
index 970e9aa..24196d0 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -31,5 +31,7 @@
 			, {{ now() | date(format="%Y") }}
 		</p>
 	</footer>
+	{% block javascript %}
+	{% endblock javascript %}
 </body>
 </html>
diff --git a/templates/page.html b/templates/page.html
index 313d058..629f0e5 100644
--- a/templates/page.html
+++ b/templates/page.html
@@ -3,3 +3,14 @@
 {% block content %}
 	{{ page.content | safe }}
 {% endblock content %}
+
+{% block javascript %}
+<script>
+	const urlparams = new URLSearchParams(location.search)
+	for (const [key, value] of urlparams) {
+		if (key == "odeslano") {
+			alert("Formulář byl odeslán.");
+		}
+	}
+</script>
+{% endblock javascript %}