From 6449b37a165e5348757bab754af1b1cf127582d5 Mon Sep 17 00:00:00 2001
From: Kevin McCurley <github@digicrime.com>
Date: Fri, 10 Jun 2022 18:46:08 +0000
Subject: [PATCH 1/2] Check for nulls in metadata.json.

---
 includes/important_dates.php | 67 ++++++++++++++----------------------
 json/metadata.json           |  3 +-
 2 files changed, 27 insertions(+), 43 deletions(-)

diff --git a/includes/important_dates.php b/includes/important_dates.php
index d57e8d8..0a67e8a 100644
--- a/includes/important_dates.php
+++ b/includes/important_dates.php
@@ -4,59 +4,42 @@
    with what is in json/metadata.json, which is why we use
    $META['submitdate'] and $META['dates'].
 */
-?>
-<article class="customCard">
-  <h4 class="customCardHeader">
-    Important Dates
-  </h4>
-  <div class="customCardRow row">
-    <h6 class="dateTitle col-5 col-md-4">
-      <?php echo $META['submitdate'];?>
-    </h6>
-    <p class="col-7 col-md-8">
-      Submission deadline at 21:00 UTC
-    </p>
-  </div>
-  <div class="customCardRow row">
-    <h6 class="dateTitle col-5 col-md-4">
-      <?php echo $META['firstRound'];?>
-    </h6>
-    <p class="col-7 col-md-8">
-      First round notification
-    </p>
-  </div>
-  <div class="customCardRow row">
+function showDate($key, $title) {
+  global $META;
+  if (!array_key_exists($key, $META) || $META[$key] == null) {
+    return;
+  }
+  $date = $META[$key];
+  echo <<< EOR
+   <div class="customCardRow row">
     <h6 class="dateTitle col-5 col-md-4">
-      <?php echo $META['rebuttalDue'];?>
+      $date
     </h6>
     <p class="col-7 col-md-8">
-      Rebuttal deadline at 11:45 UTC
-    </p>
-  </div>
-  <div class="customCardRow row">
-    <h6 class="dateTitle col-5 col-md-4">
-      <?php echo $META['finalNotification'];?>
-    </h6>
-    <p class="col-7 col-md-8">
-      Final notification
-    </p>
-  </div>
-  <div class="customCardRow row">
-    <h6 class="dateTitle col-5 col-md-4">
-      <?php echo $META['finalNotification'];?>
-    </h6>
-    <p class="col-7 col-md-8">
-      Final version due
+      $title
     </p>
   </div>
+  EOR;
+}
+?>
+<article class="customCard">
+  <h4 class="customCardHeader">
+    Important Dates
+  </h4>
+  <?php showDate('submitdate', 'Submission deadline'); ?>
+  <?php showDate('firstRound', 'First round notification'); ?>
+  <?php showDate('rebuttalDue', 'Rebuttal deadline'); ?>
+  <?php showDate('notificationdate', 'Final Notification'); ?>
+  <?php showDate('finalversions', 'Final versions due'); ?>
   <div class="customCardRow row">
     <h6 class="dateTitle col-5 col-md-4">
-      <?php echo $META['startdate'];?>
+      1 Jan 1970
     </h6>
     <p class="col-7 col-md-8">
-      Conference begins
+      Custom date can be entered
     </p>
   </div>
+  <?php showDate('startdate', 'Conference begins'); ?>
   <div class="customCardFooter">
     <img src="images/icons/exclamation.svg" class="icon" /> For further details,
     consult the <a href="papersubmission.php">paper submission page</a>.
diff --git a/json/metadata.json b/json/metadata.json
index ccf8a8c..78d55ca 100644
--- a/json/metadata.json
+++ b/json/metadata.json
@@ -12,7 +12,8 @@
   "submitdate": "11 Feb 2020",
   "firstRound": "2 Apr 2020",
   "rebuttalDue": "21 Apr 2020",
-  "finalNotification": "26 Apr 2020",
+  "notificationdate": "26 Apr 2020",
+  "finalversions": null,
   "cameraReady": "5 Jul 2022",
   "latitude": -119.84698971268,
   "longitude": 34.411605668706,

From a52d82aa115a4e4fa00d928087902c24148aeb31 Mon Sep 17 00:00:00 2001
From: Kevin McCurley <github@digicrime.com>
Date: Mon, 27 Jun 2022 20:21:05 +0000
Subject: [PATCH 2/2] Comment out custom date.

---
 includes/important_dates.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/includes/important_dates.php b/includes/important_dates.php
index 0a67e8a..16173c9 100644
--- a/includes/important_dates.php
+++ b/includes/important_dates.php
@@ -31,6 +31,8 @@ function showDate($key, $title) {
   <?php showDate('rebuttalDue', 'Rebuttal deadline'); ?>
   <?php showDate('notificationdate', 'Final Notification'); ?>
   <?php showDate('finalversions', 'Final versions due'); ?>
+  <!-- An example of a custom date not in metadata.json. -->
+  <!--
   <div class="customCardRow row">
     <h6 class="dateTitle col-5 col-md-4">
       1 Jan 1970
@@ -39,6 +41,7 @@ function showDate($key, $title) {
       Custom date can be entered
     </p>
   </div>
+  -->
   <?php showDate('startdate', 'Conference begins'); ?>
   <div class="customCardFooter">
     <img src="images/icons/exclamation.svg" class="icon" /> For further details,