From 825491587fd424a6f70c80751f7cb78a6a28230e Mon Sep 17 00:00:00 2001
From: Mike Gerwitz <mtg@gnu.org>
Date: Wed, 24 Feb 2021 22:06:01 -0500
Subject: [PATCH] src/talks.sh: Handle display of future dates

Display future dates as "Will be presented on" rather than "Presented
on".
---
 src/talks.sh | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/src/talks.sh b/src/talks.sh
index 3edbc55..0f12a2e 100755
--- a/src/talks.sh
+++ b/src/talks.sh
@@ -49,6 +49,23 @@ talk-field()
 }
 
 
+# Produce string to handle past or future dates.
+present-relative()
+{
+  local -r date=${1?Missing date}
+
+  local -i now udate
+  now=$(date +%s)
+  udate=$( date --date="$date" +%s )
+
+  if [ "$now" -lt "$udate" ]; then
+    echo 'Will be presented'
+  else
+    echo Presented
+  fi
+}
+
+
 # Generate abstract for talk.
 abstract()
 {
@@ -72,6 +89,8 @@ abstract()
     watch_title="Watch $location Talk"
   fi
 
+  present=$( present-relative "$date" )
+
   cat <<EOF
 <article class="abstract talk">
   <h2 class="title" id="$id">$title</h2>
@@ -87,7 +106,7 @@ abstract()
 
   $abstract_html
 
-  <p class="date">Presented on $date at
+  <p class="date">$present on $date at
     <a href="$event_link">$location</a>.</p>
 </article>
 EOF