From 56e3e7d4a9b60f2cc11626c277f4c33249846a5c Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Thu, 5 Jun 2003 21:34:56 +0000
Subject: - Usability improvements: in the calendar, only add a link for days
 on which   new nodes have been posted.  Patch by Al.

  Al: I modified the query slightly - it will check whether 'status = 1'.
---
 modules/archive/archive.module | 39 +++++++++++++++++++++++++++++++++------
 1 file changed, 33 insertions(+), 6 deletions(-)

(limited to 'modules/archive')

diff --git a/modules/archive/archive.module b/modules/archive/archive.module
index 51ca1db35..a39cc9f9c 100644
--- a/modules/archive/archive.module
+++ b/modules/archive/archive.module
@@ -29,11 +29,21 @@ function archive_calendar($original = 0) {
     $requested = $end_of_today;
   }
 
+  $start_of_month = mktime(0, 0, 0, $month, 1, $year);
+
   // Extract first day of the month:
-  $first = date("w", mktime(0, 0, 0, $month, 1, $year));
+  $first = date("w", $start_of_month);
 
   // Extract last day of the month:
-  $last = date("t", mktime(0, 0, 0, $month, 1, $year));
+  $last = date("t", $start_of_month);
+
+  $end_of_month = mktime(23,59,59, $month, $last, $year);
+
+  $cache = cache_get("archive:calendar:$start_of_month");
+
+  if (!empty($cache)) {
+    return $cache->data;
+  }
 
   // Calculate previous and next months dates and check for shorter months (28/30 days)
   $prevmonth = mktime(23, 59, 59, $month - 1, 1, $year);
@@ -41,6 +51,15 @@ function archive_calendar($original = 0) {
   $nextmonth = mktime(23, 59, 59, $month + 1, 1, $year);
   $next = mktime(23, 59, 59, $month + 1, min(date("t", $nextmonth), $day), $year);
 
+
+  $result = db_query("SELECT created FROM node WHERE status = 1 AND created > $start_of_month AND created < $end_of_month");
+
+  $days_with_posts = array();
+  while ($day_with_post = db_fetch_object($result)) {
+    $days_with_posts[] = date("j", $day_with_post->created);
+  }
+  $days_with_posts = array_unique($days_with_posts);
+
   // Generate calendar header:
   $output .= "\n<!-- calendar -->\n";
   $output .= "<div class=\"calendar\">";
@@ -81,17 +100,23 @@ function archive_calendar($original = 0) {
 
     // Print one cell:
     $date = mktime(0, 0, 0, $month, $nday, $year);
+    if (in_array($nday, $days_with_posts)) {
+      $daytext = l($nday, "archive/$year/$month/$nday");
+    }
+    else {
+      $daytext = $nday;
+    }
     if ($date == $requested) {
-      $output .= "  <td class=\"day-selected\">$nday</td>\n";
+      $output .= "  <td class=\"day-selected\">$daytext</td>\n";
     }
     else if ($date == $start_of_today) {
-      $output .= "  <td class=\"day-today\">". l($nday, "archive/$year/$month/$nday") ."</td>\n";
+      $output .= "  <td class=\"day-today\">$daytext</td>\n";
     }
     else if ($date > $end_of_today) {
-      $output .= "  <td class=\"day-future\">$nday</td>\n";
+      $output .= "  <td class=\"day-future\">$daytext</td>\n";
     }
     else {
-      $output .= "  <td class=\"day-link\">". l($nday, "archive/$year/$month/$nday") ."</td>\n";
+      $output .= "  <td class=\"day-link\">$daytext</td>\n";
     }
 
     // Start every week on a new line:
@@ -113,6 +138,8 @@ function archive_calendar($original = 0) {
 
   $output .= "</table></div>\n\n";
 
+  cache_set("archive:calendar:$first", $output, time() + variable_get("cache_clear", 120));
+
   return $output;
 }
 
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