From 3b0b462b5790f15fcb612de66544838bdbce658b Mon Sep 17 00:00:00 2001
From: brettp <brettp@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Wed, 24 Mar 2010 19:49:40 +0000
Subject: Added archive view for blogs.

git-svn-id: http://code.elgg.org/elgg/trunk@5497 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 mod/blog/blog_lib.php                        | 31 +++++++++++++++++++++
 mod/blog/views/default/blog/sidebar_menu.php | 40 +++++++++++++++++-----------
 2 files changed, 55 insertions(+), 16 deletions(-)

(limited to 'mod')

diff --git a/mod/blog/blog_lib.php b/mod/blog/blog_lib.php
index 7f83d0dc3..8c09260a3 100644
--- a/mod/blog/blog_lib.php
+++ b/mod/blog/blog_lib.php
@@ -173,6 +173,37 @@ function blog_make_excerpt($text) {
 	return substr(strip_tags($text), 0, 300);
 }
 
+/**
+ * Returns a list of years and months for all blogs optionally for a user.
+ * Very similar to get_entity_dates() except uses a metadata field.
+ *
+ * @param mixed $user_guid
+ */
+function blog_get_blog_months($user_guid = NULL, $container_guid = NULL) {
+	global $CONFIG;
+
+	$subtype = get_subtype_id('blog');
+
+	$q = "SELECT DISTINCT EXTRACT(YEAR_MONTH FROM FROM_UNIXTIME(mdv.string)) AS yearmonth
+		FROM {$CONFIG->dbprefix}entities e, {$CONFIG->dbprefix}metadata, {$CONFIG->dbprefix}metastrings mdn, {$CONFIG->dbprefix}metastrings mdv
+		WHERE e.guid = {$CONFIG->dbprefix}metadata.entity_guid
+		AND {$CONFIG->dbprefix}metadata.name_id = mdn.id
+		AND {$CONFIG->dbprefix}metadata.value_id = mdv.id
+		AND mdn.string = 'publish_date'";
+
+	if ($user_guid) {
+		$user_guid = (int)$user_guid;
+		$q .= " AND e.owner_guid = $user_guid";
+	}
+
+	if ($container_guid) {
+		$container_guid = (int)$container_guid;
+		$q .= " AND e.container_guid = $container_guid";
+	}
+
+	return get_data($q);
+}
+
 /**
  * Extended class to override the time_created
  */
diff --git a/mod/blog/views/default/blog/sidebar_menu.php b/mod/blog/views/default/blog/sidebar_menu.php
index bd348c7e6..a3fe1c181 100644
--- a/mod/blog/views/default/blog/sidebar_menu.php
+++ b/mod/blog/views/default/blog/sidebar_menu.php
@@ -35,24 +35,32 @@ echo elgg_view("blogs/sidebar", array("object_type" => 'blog'));
 $comments = get_annotations(0, "object", "blog", "generic_comment", "", 0, 4, 0, "desc");
 echo elgg_view('annotation/latest_comments', array('comments' => $comments));
 
-if ($dates = get_entity_dates('object', 'blog', page_owner())) {
-	echo elgg_view_title(elgg_echo('blog:archives'));
-
-	echo '<ul>';
-	foreach($dates as $date) {
-		$timestamplow = mktime(0,0,0,substr($date,4,2),1,substr($date,0,4));
-		$timestamphigh = mktime(0,0,0,((int) substr($date,4,2)) + 1,1,substr($date,0,4));
-
-		if (!isset($page_owner)) $page_owner = page_owner_entity();
-		$link = $CONFIG->wwwroot . 'pg/blog/' . $page_owner->username . '/archive/' . $timestamplow . '/' . $timestamphigh;
-		//add_submenu_item(sprintf(elgg_echo('date:month:' . substr($date,4,2)), substr($date, 0, 4)), $link, 'filter');
-		$month = sprintf(elgg_echo('date:month:' . substr($date,4,2)), substr($date, 0, 4));
-		echo "<li><a href=\"$link\" title=\"$month\">$month</a><li>";
-	}
 
-	echo '</ul>';
-}
+// only show archives for users or groups.
+// This is a limitation of the URL schema.
+if ($page_owner) {
+	$dates = blog_get_blog_months($user);
+
+	if ($dates) {
+		echo elgg_view_title(elgg_echo('blog:archives'));
+
+		echo '<ul>';
+		foreach($dates as $date) {
+			$date = $date->yearmonth;
 
+			$timestamplow = mktime(0,0,0,substr($date,4,2),1,substr($date,0,4));
+			$timestamphigh = mktime(0,0,0,((int) substr($date,4,2)) + 1,1,substr($date,0,4));
+
+			if (!isset($page_owner)) $page_owner = page_owner_entity();
+			$link = $CONFIG->wwwroot . 'pg/blog/' . $page_owner->username . '/archive/' . $timestamplow . '/' . $timestamphigh;
+			//add_submenu_item(sprintf(elgg_echo('date:month:' . substr($date,4,2)), substr($date, 0, 4)), $link, 'filter');
+			$month = sprintf(elgg_echo('date:month:' . substr($date,4,2)), substr($date, 0, 4));
+			echo "<li><a href=\"$link\" title=\"$month\">$month</a><li>";
+		}
+
+		echo '</ul>';
+	}
+}
 
 // temporarily force tag-cloud display
 $tags = display_tagcloud(0, 100, 'tags');
-- 
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