From: Mischa POSLAWSKY <perl@shiar.org>
Date: Sat, 29 Jun 2019 01:05:03 +0000 (+0200)
Subject: widget: copy doclist and countdown from lijtweg.nl
X-Git-Tag: v4.0~8
X-Git-Url: http://git.shiar.nl/minimedit.git/commitdiff_plain/0aa43066e7ac889d9bbba62344ed086d9b463366

widget: copy doclist and countdown from lijtweg.nl

Sufficiently generic to prove useful in other projects.
---

diff --git a/widget/countdown.php b/widget/countdown.php
new file mode 100644
index 0000000..746e4b6
--- /dev/null
+++ b/widget/countdown.php
@@ -0,0 +1,45 @@
+<?php
+if (empty($Args)) {
+	return;
+}
+@list ($target, $interval) = explode('+', ltrim($Args, '/'));
+$target = new DateTime($target);
+$now = new DateTime('NOW');
+$next = $target->diff($now);  # age
+
+if ($interval) {
+	# recurring
+	$interval = new DateInterval('P'.$interval);
+	for ($attempt = 0; $attempt < 500; $attempt++) {
+		if ($next->invert) {
+			break;  # past or today
+		}
+		$target->add($interval);
+		$next = $target->diff($now);
+	}
+}
+$next = $target->setTime(0, 0)->diff($now);  # truncate to midnight
+$eta = $next->invert ? $next->days + 1 : -$next->days;
+
+if ($eta == 0) {
+	print 'vandaag';
+}
+elseif ($eta == 1) {
+	print 'morgen';
+}
+elseif ($eta == 2) {
+	print 'overmorgen';
+}
+elseif ($eta == -1) {
+	print 'gisteren';
+}
+elseif ($eta < 0) {
+	printf('%d dagen geleden', -$eta);
+}
+else {
+	printf('over %d dagen', $eta);
+}
+
+if ($interval) {
+	print ', ' . showdate(explode('-', $target->format('Y-m-d')));
+}
diff --git a/widget/doclist.php b/widget/doclist.php
new file mode 100644
index 0000000..78b8c49
--- /dev/null
+++ b/widget/doclist.php
@@ -0,0 +1,31 @@
+<?php
+$cal = [];
+foreach (glob("$Page$Args/2*") as $url) {
+	$parts = pathinfo($url);
+	@list ($date, $suffix) = explode('.', $parts['filename'], 2);
+	$cal[$date][ $suffix ? '' : @$parts['extension'] ] =
+		preg_replace('/\.html$/', '', $url);
+}
+
+print '<ul';
+if (count($cal) > 5) print ' class="cols"';
+print ">\n";
+foreach (array_reverse($cal) as $title => $versions) {
+	print '<li>';
+	if ($url = @$versions['html']) {
+		printf('<a href="/%s">%s</a>', $url, $title);
+	}
+	elseif (implode('', array_keys($versions))) {
+		list ($format, $url) = each($versions);
+		include_once('format.inc.php');
+		printf('%s (<a href="/%s">%sB %s</a>)',
+			$title, $url, showsize(filesize($url)), $format
+		);
+	}
+	else {
+		print $title;
+	}
+	print "\n";
+}
+print "</ul>\n\n";
+