diff --git a/src/index.html b/src/index.html
new file mode 100644
index 0000000..2a03212
--- /dev/null
+++ b/src/index.html
@@ -0,0 +1,76 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <script src="https://unpkg.com/html5-qrcode"></script>
+</head>
+<body>
+  <H1>Osvobozená základní škola - Docházka</H1>
+  <H2>Ukaž svoji školní průkazku</H2>
+  <div id="qr-reader" style="width:800px;  background-color: #cccccc;"></div>
+  
+  <script>
+
+    function get_at_school() {
+      fetch('veskole.php', {method: 'GET'})
+        .then(response => response.text())
+        .then(data => render_at_school(data));
+    }
+
+
+    function render_at_school(at_school_json) {
+      var at_school = JSON.parse(at_school_json);
+      console.log(at_school);
+      var result = "<ul>";
+      for (var i = 0; i < at_school.length; i++) {
+        result += "<li>"+ at_school[i] + "</li>";
+      }
+      result += "</ul>";
+      document.getElementById('at-school').innerHTML = result;
+      return result;
+    }
+    function onScanSuccess(decodedText, decodedResult) {
+   //   const card = JSON.parse(decodedText);
+   //   document.getElementById('qr-reader-results').textContent = card.salutation;
+      document.getElementById('qr-reader-results').textContent = decodedText;
+      html5QrcodeScanner.clear();
+      document.getElementById('wave').style.visibility = "visible";
+      var formData ={};
+      formData.id=33;
+      formData.name=decodedText;
+      formData.direction=document.querySelector('input[name="entrance"]:checked').id;
+      formData.main=true;
+      console.log(JSON.stringify(formData));
+      fetch('pruchod.php', { method: 'POST', 
+        headers: {
+          'Content-Type': 'application/json'
+                 },
+        body:JSON.stringify(formData) 
+      }).then(response => response.text())
+        .then(data => document.querySelector("p.result").innerHTML = data);
+
+      setTimeout(() => {
+        document.getElementById('qr-reader-results').textContent = "Načítám ...";
+        document.getElementById('wave').style.visibility = "hidden";
+        html5QrcodeScanner.render(onScanSuccess);
+        get_at_school();
+      }, 4000);
+
+    }
+    var html5QrcodeScanner = new Html5QrcodeScanner("qr-reader", { fps: 10, qrbox: 300, rememberLastUsedCamera: true });
+      html5QrcodeScanner.render(onScanSuccess);
+    get_at_school();
+  </script>
+  <label>
+    <input id="P" name="entrance" type="radio" checked="true">Příchod
+  </label>
+  <label>
+    <input id="O" name="entrance" type="radio">Odchod
+  </label>
+  <H3>Kdo jsi? </H3>
+  <p id="qr-reader-results">Načítám ...</p> 
+  <p class="result"></p>
+  <H3>Kdo je ve škole</H3>
+  <p id="at-school">Načítám ...</p>
+  <img style = "visibility:hidden" id = "wave" src="giphy.webp"/>
+</body>
+</html>
diff --git a/src/osvobdoch_local_vars.php b/src/osvobdoch_local_vars.php
new file mode 100644
index 0000000..5d70ec6
--- /dev/null
+++ b/src/osvobdoch_local_vars.php
@@ -0,0 +1,6 @@
+<?php
+$apiuser = "";
+$apiheslo = "";
+$url  = "https://skola.edookit.net";
+?>
+
diff --git a/src/osvobdoch_vars.php b/src/osvobdoch_vars.php
new file mode 100644
index 0000000..45fd530
--- /dev/null
+++ b/src/osvobdoch_vars.php
@@ -0,0 +1,5 @@
+<?php
+$id = "OSVOBDOCH";
+$key = "c64ad952351b5f9ae264e2320571adee0c4a2a5d"; 
+?>
+
diff --git a/src/pruchod.php b/src/pruchod.php
new file mode 100644
index 0000000..193dbb3
--- /dev/null
+++ b/src/pruchod.php
@@ -0,0 +1,77 @@
+<?php
+include 'osvobdoch_vars.php';
+include 'osvobdoch_local_vars.php';
+
+$fileaccess = fileatime('at_school.txt');
+//check if file is accessed today
+if (date('Y-m-d', $fileaccess) != date('Y-m-d')) {
+    $at_school = array();
+}
+else {
+    $at_school = include 'at_school.txt';
+}
+if (empty($at_school)) {
+    $at_school = array();
+}
+$metoda = "POST";
+$cesta = "/api/dochazka/v2/pruchody";
+# cas  "2016-09-30 11:54:12.637";
+date_default_timezone_set('Europe/Prague');
+$cas= date("Y-m-d H:i:s"); 
+$data = $metoda ."+".$cesta . "+" . $cas . "+" . $apiheslo;
+$hash = hash_hmac("sha1", $data, $key, $raw_output=false);
+$auth = $apiuser . ":" . $hash;
+//echo $url.$cesta."\n";
+//echo $cas."\n";
+
+$postdata = file_get_contents("php://input");
+$pozadavek = json_decode($postdata);
+//check if student is already at school
+//if not, add him to the list
+if ($pozadavek->direction == "P") {
+  if(  !in_array($pozadavek->name, $at_school)) {
+    $at_school[] = $pozadavek->name;
+  } else {
+    echo $pozadavek->name." už je ve škole";
+    return;
+    }
+}  else {
+  //if student is already at school, remove him from the list
+  if( in_array($pozadavek->name, $at_school)) {
+    $key = array_search($pozadavek->name, $at_school);
+    unset($at_school[$key]);
+  } else {
+    echo $pozadavek->name." není ve škole";
+    return;
+  }
+}
+
+
+$pruchod = array(
+    "PkUzivatel" => $pozadavek->id,
+    "TypUzivatele" => "P",
+    "Datum" => date("Y-m-d"),
+    "Cas" => date("H:i:s"),
+    "Smer" => $pozadavek->direction,
+    "Hlavni" => $pozadavek->main,
+    "BranaId" => "ENTRANCE",
+    "CteckaId" => "CAM1",
+    "Poznamka" => ""
+);
+$payload = json_encode($pruchod)."<br>";
+echo $payload;
+$ch = curl_init();
+curl_setopt($ch, CURLOPT_URL, $url.$cesta);
+curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+curl_setopt($ch, CURLOPT_POST, true);
+curl_setopt($ch, CURLOPT_HTTPHEADER, array(
+    "com.edookit.Time: ".$cas,
+    "com.edookit.Auth: ".$auth,
+    "com.edookit.Client: ".$id,
+    "Content-Type: application/json"
+));
+/*curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
+$result = curl_exec($ch);
+echo $result;*/
+file_put_contents('at_school.txt',  '<?php return ' . var_export($at_school, true) . ';');
+?>
diff --git a/src/veskole.php b/src/veskole.php
new file mode 100644
index 0000000..c598c76
--- /dev/null
+++ b/src/veskole.php
@@ -0,0 +1,17 @@
+<?php
+include 'osvobdoch_vars.php';
+include 'osvobdoch_local_vars.php';
+
+$fileaccess = fileatime('at_school.txt');
+//check if file is accessed today
+if (date('Y-m-d', $fileaccess) != date('Y-m-d')) {
+    $at_school = array();
+}
+else {
+    $at_school = include 'at_school.txt';
+}
+if (empty($at_school)) {
+    $at_school = array();
+}
+echo JSON_encode($at_school);
+?>
