Allow admins to select a doctor's appointments

src/appointment.php

@@ -20,14 +20,31 @@
     include 'database.php';
 
     $pdo = connectDatabase();
-    $events = fetchCalendarEvents($pdo);
-    if($_SESSION["user_type"] == 2){
-        $user = finduser($pdo, $_SESSION["user"]);
-    }
-    $holidays = fetchDoctorHolidays($pdo, $user[0][4]);
-    $calendar_settings = fetchCalendarSettings($pdo, $user[0][4]);
-    closeDatabase($pdo);
     ?>
+    <?php if($_SESSION["user_type"] == 2): ?>
+        $user = finduser($pdo, $_SESSION["user"]);
+        $events = fetchCalendarEvents($pdo, $user[0][4]);
+        $holidays = fetchDoctorHolidays($pdo, $user[0][4]);
+        $calendar_settings = fetchCalendarSettings($pdo, $user[0][4]);
+    <?php else: ?>
+        <form name="select_doctor" method="get">
+        <?php $doctors = listDoctors($pdo); ?>
+        <div class="input-group">
+            <select id="medico" name="medico">
+                <option>Seleccione un médico</option>
+                <?php foreach ($doctors as $row) : ?>
+                    <option value="<?php echo $row[0]; ?>"><?php echo $row[1]; ?></option>
+                <?php endforeach ?>
+            </select>
+            <button class="create_btn" type="submit" name="select">Seleccionar</button>
+        </div>
+        <?php
+            $events = fetchCalendarEvents($pdo, $_GET["medico"]);
+            $holidays = fetchDoctorHolidays($pdo, $_GET["medico"]);
+            $calendar_settings = fetchCalendarSettings($pdo, $_GET["medico"]);
+        ?>
+    <?php endif; ?>
+    <?php closeDatabase($pdo); ?>
         <div class="response"></div>
         <div id="calendar"></div>
     </body>

src/database.php

@@ -310,11 +310,11 @@ function configureCalendar($pdo, $data)
 }
 
 
-function fetchCalendarEvents($pdo)
+function fetchCalendarEvents($pdo, $doctor)
 {
-    $query = "SELECT * from cita";
+    $query = "SELECT * from cita WHERE medico=?";
     $result = $pdo->prepare($query);
-    $result->execute();
+    $result->execute([$doctor]);
     $data = $result->fetchAll();
     return $data;
 }
@@ -334,7 +334,7 @@ function fetchDoctorHolidays($pdo, $doctor)
 {
     $query = "SELECT * FROM festivo WHERE medico IS NULL OR medico=?";
     $result = $pdo->prepare($query);
-    $result->execute($doctor);
+    $result->execute([$doctor]);
     $data = $result->fetchAll();
     return $data;
 }