add iCalendar Subscription (#636)

ellite · Dec 6, 2024 · def6841 · def6841
1 parent fda9ac3
commit def6841
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diff --git a/api/subscriptions/get_subscriptions.php b/api/subscriptions/get_subscriptions.php
@@ -306,6 +306,63 @@ function getPriceConverted($price, $currency, $database)
         $subscriptionsToReturn[] = $subscriptionToReturn;
     }
 
+    if (isset($_REQUEST['type'])) {
+        $type = $_REQUEST['type'];
+        $stmt->bindValue(':inactive', false, SQLITE3_INTEGER);
+        $result = $stmt->execute();
+
+        if ($type == "iCalendar") {
+            header('Content-Type: text/calendar; charset=utf-8');
+            header('Content-Disposition: attachment; filename="subscriptions.ics"');
+
+            if ($result === false) {
+                die("BEGIN:VCALENDAR\nVERSION:2.0\nPRODID:NAME:\nEND:VCALENDAR");
+            }
+
+            $icsContent = "BEGIN:VCALENDAR\nVERSION:2.0\nPRODID:-//Wallos//$type//EN\nNAME:Wallos\nX-WR-CALNAME:Wallos\n";
+
+            while ($subscription = $result->fetchArray(SQLITE3_ASSOC)) {
+                $subscription['payer_user'] = $members[$subscription['payer_user_id']];
+                $subscription['category'] = $categories[$subscription['category_id']];
+                $subscription['payment_method'] = $paymentMethods[$subscription['payment_method_id']];
+                $subscription['currency'] = $currencies[$subscription['currency_id']]['symbol'];
+                $subscription['trigger'] = $subscription['notify_days_before'] ? $subscription['notify_days_before'] : 1;
+                $subscription['price'] = number_format($subscription['price'], 2);
+
+                $uid = uniqid();
+                $summary = "Wallos: " . $subscription['name'];
+                $description = "Price: {$subscription['currency']}{$subscription['price']}\\nCategory: {$subscription['category']}\\nPayment Method: {$subscription['payment_method']}\\nPayer: {$subscription['payer_user']}\\nNotes: {$subscription['notes']}";
+                $dtstart = (new DateTime($subscription['next_payment']))->format('Ymd\THis\Z');
+                $dtend = (new DateTime($subscription['next_payment']))->modify('+1 hour')->format('Ymd\THis\Z');
+                $location = isset($subscription['url']) ? $subscription['url'] : '';
+                $alarm_trigger = '-' . $subscription['trigger'] . 'D';
+
+                $icsContent .= <<<ICS
+                BEGIN:VEVENT
+                UID:$uid
+                SUMMARY:$summary
+                DESCRIPTION:$description
+                DTSTART:$dtstart
+                DTEND:$dtend
+                LOCATION:$location
+                STATUS:CONFIRMED
+                TRANSP:OPAQUE
+                BEGIN:VALARM
+                ACTION:DISPLAY
+                DESCRIPTION:Reminder
+                TRIGGER:$alarm_trigger
+                END:VALARM
+                END:VEVENT
+                
+                ICS;
+            }
+
+            $icsContent .= "END:VCALENDAR\n";
+            echo $icsContent;
+            $db->close();
+            exit;
+        }
+    }
 
     $response = [
         "success" => true,

diff --git a/calendar.php b/calendar.php
@@ -105,6 +105,51 @@ function getPriceConverted($price, $currency, $database, $userId)
   ?>
   <div class="split-header">
     <h2>Calendar</h2>
+    <button class="button tiny" onClick="showExportPopup()" style="margin-right: auto"> <?= translate('subscriptions', $i18n) ?> </button>
+      <div id="subscriptions_calendar" class="subscription-modal">
+          <div class="modal-header">
+              <h3><?= translate('subscriptions', $i18n) ?></h3>
+              <span class="fa-solid fa-xmark close-modal" onclick="closePopup()"></span>
+          </div>
+          <div class="form-group-inline">
+              <input id="iCalendarUrl" type="text" value="" readonly>
+              <button onclick="copyToClipboard()" class="button tiny"> <?= translate('copy_to_clipboard', $i18n) ?> </button>
+          </div>
+      </div>
+
+      <script>
+          function showExportPopup() {
+              const host = window.location.origin;
+              const apiPath = "/api/subscriptions/get_subscriptions.php";
+              const apiKey = "<?= $userData['api_key'] ?>";
+              const queryParams = `?api_key=${apiKey}&type=iCalendar`;
+              const fullUrl = `${host}${apiPath}${queryParams}`;
+              document.getElementById('iCalendarUrl').value = fullUrl;
+
+              if (apiKey === "") {
+                  showErrorMessage( "<?= translate('invalid_api_key', $i18n) ?>" );
+                  return;
+              }
+              document.getElementById('subscriptions_calendar').classList.add('is-open');
+          }
+          function closePopup() {
+              document.getElementById('subscriptions_calendar').classList.remove('is-open');
+          }
+
+          function copyToClipboard() {
+              const urlField = document.getElementById('iCalendarUrl');
+              urlField.select();
+              urlField.setSelectionRange(0, 99999); // For mobile devices
+              navigator.clipboard.writeText(urlField.value)
+                  .then(() => {
+                      showSuccessMessage(translate('copied_to_clipboard'));
+                  })
+                  .catch(() => {
+                      showErrorMessage(translate('unknown_error'));
+                  });
+          }
+      </script>
+
     <div class="calendar-nav">
       <?php
       if (!$sameAsCurrent) {