added timetable

wftutorials · Jan 27, 2021 · 4f9d16e · 4f9d16e
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diff --git a/README.md b/README.md
@@ -45,3 +45,6 @@ Check it out here: https://youtu.be/G7-aNLuPkQ8
 # The tic tac toe Game (tictacto)
 Build a Tic tac toe game using only PHP.
 Check it out here: https://youtu.be/nlfZ6IegS9A
+
+# Building a TimeTable (timetable)
+Build a timetable using hardcode arrays and mysql database.
diff --git a/timetable/index.php b/timetable/index.php
@@ -0,0 +1,181 @@
+<?php
+
+function get_connection(){
+  $dsn = "mysql:host=localhost;dbname=wftutorials";
+  $user = "root";
+  $passwd = "";
+  $conn = new PDO($dsn, $user, $passwd);
+  return $conn;
+}
+
+function save_period($day, $time, $event){
+  $conn = get_connection();
+  $findSql= "SELECT * FROM my_timetable WHERE period=? AND day=?";
+  $query = $conn->prepare($findSql);
+  $query->execute([$time, $day]);
+  $results = $query->fetchAll();
+  if(count($results) > 0){
+    $id = $results[0]['id'];
+    $updateSql = "UPDATE my_timetable SET `event`=? WHERE `id`=?";
+    $query = $conn->prepare($updateSql);
+    $query->execute([$event, $id]);
+  }else{
+    $sql = "INSERT INTO my_timetable(`period`,`event`, `day`) VALUES (?,?,?)"; // create sql
+    $query = $conn->prepare($sql); // prepare
+    $query->execute([$time, $event, $day]); // execute
+    return $conn->lastInsertId();
+  }
+}
+
+function get_all_events(){
+  $results = [];
+  try {
+    $conn = get_connection();
+    $query = $conn->query("SELECT * from my_timetable");
+    $results = $query->fetchAll();
+  }catch (Exception $e){
+
+  }
+  return $results;
+}
+
+function findEvent($events, $day, $time){
+  foreach ($events as $event){
+    if($event["period"] == $time && $event["day"] == $day){
+      return $event["event"];
+    }
+  }
+  return false;
+}
+
+
+$days = ['Time','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'];
+$times = ['6:00-6:30AM','6:30-7:00AM','7:00-7:30AM','7:30-8:00AM','8:00-8:30AM','8:30-9:00AM',
+  '9:00-9:30AM','9:30-10:00AM','10:00-10:30AM','10:30-11:00AM','11:00-11:30AM',
+  '11:30-12:00PM','12:00-12:30PM','12:30-1:00PM','1:00-1:30PM','1:30-2:00PM','2:00-2:30PM'];
+
+
+if($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['save-event'])){
+
+  $event = isset($_POST['event']) ? $_POST['event'] : null;
+  $day = isset($_POST['day']) ? $_POST['day'] : null;
+  $time = isset($_POST['time']) ? $_POST['time'] : null;
+  if($event && $time){
+    $id = save_period($day, $time, $event);
+
+  }
+
+
+}
+
+
+?>
+
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>TimeTable</title>
+</head>
+<style>
+  .day-header{
+    height: 35px;
+    background: #ff8000;
+    text-align: center;
+    padding: 5px;
+    vertical-align: center;
+    font-weight: bold;
+  }
+
+  .day-block{
+    height: 35px;
+    padding: 5px;
+    background: #f6f6f6;
+  }
+
+  .timetable {
+    border: 1px solid #3788d8;
+    margin-top: 5px;
+    border-collapse: collapse;
+  }
+
+  .timetable tr, td {
+    border: 1px solid #3788d8;
+  }
+</style>
+<body>
+<form method="post">
+  Event Name: <input name="event" type="text"/><br>
+  Day: <select name="day">
+    <option>--select--</option>
+    <?php foreach($days as $day):?>
+      <option><?php echo $day;?></option>
+    <?php endforeach;?>
+  </select><br>
+  Time: <select name="time">
+    <option>--select--</option>
+    <?php foreach($times as $time):?>
+      <option><?php echo $time;?></option>
+    <?php endforeach;?>
+  </select><br>
+  <button type="submit" name="save-event">Save Event</button>
+</form>
+<table style="width: 100%" class="timetable">
+  <tr>
+  <?php foreach ($days as $day):?>
+    <td class="day-header"><?php echo $day;?></td>
+  <?php endforeach;?>
+  </tr>
+
+  <?php
+  $events = get_all_events();
+  $timer=0;
+  $total = 0;
+  $eventcount = 0;
+  $timeout = count($times) * count($days);
+
+    for($x=0; $x<=count($times)-1; $x++){
+      if($total >= $timeout){
+        break;
+      }
+      $time = isset($times[$timer]) ? $times[$timer] : null;
+      echo "<tr>";
+      for ($i=0; $i<=count($days)-1; $i++){
+
+        $day = $days[$i];
+        $time = isset($times[$timer]) ? $times[$timer] : null;
+        if($day == 'Time'){
+          echo '<td class="day-block">';
+          echo "<span>" . $time . "</span>";
+        }else{
+          if(isset($events[$eventcount])){
+            $currentTime = $events[$eventcount]['period'];
+            $currentDay = $events[$eventcount]['day'];
+            $currentEvent = findEvent($events, $day, $time);
+            if($currentEvent){
+              echo '<td class="day-block" style="background:yellowgreen; font-weight: bold ">';
+              echo "<span style=''>".$currentEvent."</span>";
+            }else{
+              echo '<td class="day-block">';
+              echo "<span>Free</span>";
+            }
+          }else{
+            echo '<td class="day-block">';
+            echo "<span>Free</span>";
+          }
+        }
+        echo '</td>';
+        $total++;
+      }
+      echo "</tr>";
+      $timer++;
+    }
+
+  ?>
+
+
+</table>
+
+</body>
+</html>
+