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[syp.git] / news.php

diff --git a/news.php b/news.php
new file mode 100644 (file)
index 0000000..615989f
--- /dev/null
+++ b/news.php
@@ -0,0 +1,111 @@
+<?php
+/* Copyright (c) 2009 Arnaud Renevier, Inc, published under the modified BSD
+   license. */
+
+require_once ("./inc/settings.php");
+require_once ("./inc/db/mysql.php");
+require_once ("./inc/utils.php");
+
+header ("Content-type: application/atom+xml; charset=UTF-8");
+header("Cache-control: no-cache");
+
+function date3339 ($feature) {
+    $date = date ('Y-m-d\TH:i:s', $feature->date);
+
+    $matches = array();
+    if (preg_match ('/^([\-+])(\d{2})(\d{2})$/',
+                    date ('O', $feature->date), $matches)) {
+        $date .= $matches [1] . $matches [2] . ':' . $matches [3];
+    } else {
+        $date .= 'Z';
+    }
+    return $date;
+}
+
+function unique_id_from_feature ($feature) {
+    // method from http://diveintomark.org/archives/2004/05/28/howto-atom-id#other
+    $date = date('Y-m-d', $feature->date);
+    $res = sprintf("tag:%s,%s:%d", gethost(), $date, $feature->id);
+    return $res;
+}
+
+function unique_id_from_site () {
+    $id = md5 (full_url_from_path (""));
+    $res = sprintf("tag:%s,1970-01-01:%d", gethost, $id);
+    return $res;
+}
+
+function main ($features) {
+    print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
+<feed xmlns=\"http://www.w3.org/2005/Atom\"
+      xmlns:georss=\"http://www.georss.org/georss\">\n";
+
+    printf("  <link rel=\"alternate\" type=\"text/html\" href=\"%s\"/>\n",
+            full_url_from_path (""));
+    printf("  <link rel=\"self\" href=\"%s\" type=\"application/atom+xml\"/>\n",
+            full_url_from_path (basename ($_SERVER ["PHP_SELF"])));
+    printf("  <id>%s</id>\n", unique_id_from_site());
+
+    if (count ($features) > 0) {
+        printf("  <updated>%s</updated>\n", date3339 ($features[0]));
+    }
+
+    if (SITETITLE) {
+        printf ("  <title>%s</title>\n", SITETITLE);
+    }
+
+    if (WEBMASTERMAIL) {
+        printf ("  <author>\n");
+        printf ("    <email>%s</email>\n", WEBMASTERMAIL);
+        printf("   </author>\n");
+    }
+
+    print "\n";
+
+    foreach ($features as $feature) {
+        print ("    <entry>\n");
+
+        if ($feature->title) {
+            $title = htmlspecialchars ($feature->title, ENT_QUOTES);
+        } else {
+            $title = $feature->id;
+        }
+        printf ("      <title>%s</title>\n", $title);
+
+        $rel_url = sprintf ("index.php?lat=%.18F&lon=%.18F&zoom=12",
+                                         $feature->lat, $feature->lon);
+        $link = htmlspecialchars (full_url_from_path ($rel_url), ENT_QUOTES);
+        printf ("      <link rel=\"alternate\" type=\"text/html\" href=\"%s\"/>\n", $link);
+
+        printf ("      <id>%s</id>\n", unique_id_from_feature ($feature));
+
+        printf ("      <updated>%s</updated>\n", date3339 ($feature));
+
+        if ($feature->description) {
+            $contentHTML = sprintf ("<p>%s</p>", htmlspecialchars ($feature->description, ENT_QUOTES));
+        } else {
+            $contentHTML = sprintf ("<p>%s</p>", htmlspecialchars ($feature->title, ENT_QUOTES));
+        }
+
+        if (strlen ($contentHTML) != 0) {
+            printf("       <content type=\"html\">
+                %s
+       </content>\n", htmlspecialchars ($contentHTML));
+        }
+
+        printf("      <georss:point>%.18F %.18F</georss:point>\n",
+                    $feature->lat, $feature->lon);
+
+        printf("    </entry>\n\n");
+    }
+    print '</feed>';
+}
+
+try {
+    $connection->connect (DBHOST, DBUSER, DBPWD, DBNAME, DBPREFIX);
+    $features = $connection->mostrecentfeatures (10);
+} catch (Exception $e) {
+    exit ("server error");
+}
+main ($features);
+?>