From a508f208ceefe3e503b00688db262d8ba6f8dd89 Mon Sep 17 00:00:00 2001
From: vyshane <vyshane>
Date: Thu, 16 Feb 2006 03:35:10 +0000
Subject: [PATCH] RSS support

---
 mod/data/rsslib.php | 92 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 mod/data/rsslib.php

diff --git a/mod/data/rsslib.php b/mod/data/rsslib.php
new file mode 100644
index 00000000000..bbfb2897a74
--- /dev/null
+++ b/mod/data/rsslib.php
@@ -0,0 +1,92 @@
+<?php
+    // This file adds support to rss feeds generation
+
+    // This function is the main entry point to database module
+    // rss feeds generation. Foreach database with rss enabled
+    // build one XML rss structure.
+    function data_rss_feeds() {
+        global $CFG;
+        $status = true;
+        
+        // Check CFG->enablerssfeeds.
+        if (empty($CFG->enablerssfeeds)) {
+            //Some debug...
+            if ($CFG->debug > 7) {
+                echo "DISABLED (admin variables)";
+            }
+        }
+        // Check CFG->data_enablerssfeeds.
+        else if (empty($CFG->data_enablerssfeeds)) {
+            //Some debug...
+            if ($CFG->debug > 7) {
+                echo "DISABLED (module configuration)";
+            }
+        }
+        // It's working so we start...
+        else {
+            // Iterate over all data.
+            if ($dataActivities = get_records('data')) {
+                foreach ($dataActivities as $dataActivity) {
+                    
+                    if ($dataActivity->rssarticles > 0) {
+                        $filename = rss_file_name('data', $dataActivity);  // RSS file
+                        
+                        // Get the data_records out.
+                        $sql = 'SELECT dr.* ' .
+                                    'FROM data_records AS dr ' .
+                                    "WHERE dr.dataid = {$dataActivity->id} " .
+                                    'ORDER BY dr.timecreated DESC ' .
+                                    "LIMIT {$dataActivity->rssarticles}";
+                        
+                        $dataRecords = recordset_to_array(get_recordset_sql($sql));
+                        
+                        // Now all the rss items.
+                        $items = array();
+                        
+                        foreach ($dataRecords as $dataRecord) {
+                            $item = null;
+                            $temp = array();
+                            array_push($temp, $dataRecord);
+                            
+                            /*$user->firstname = 'test';
+                            $user->lastname = 'test';
+                            $item->author = fullname($user);*/
+                            $item->title = $dataActivity->name;
+                            $item->pubdate = $dataRecord->timecreated;
+                            $item->link = $CFG->wwwroot.'/mod/data/view.php?d='.$dataActivity->id.'&rid='.$dataRecord->id;
+                            $item->description = data_print_template($temp, $dataActivity, '', 'rsstemplate', false, 0, 0, 'timecreated DESC', '', true);
+                            
+                            array_push($items, $item);
+                        }
+                        
+                        // First all rss feeds common headers.
+                        $header = rss_standard_header(format_string($dataActivity->name,true),
+                                                      $CFG->wwwroot."/mod/data/view.php?d=".$dataActivity->id,
+                                                      format_string($dataActivity->intro,true));
+                        
+                        if (!empty($header)) {
+                            $articles = rss_add_items($items);
+                        }
+                        
+                        // Now all rss feeds common footers.
+                        if (!empty($header) && !empty($articles)) {
+                            $footer = rss_standard_footer();
+                        }
+                        // Now, if everything is ok, concatenate it.
+                        if (!empty($header) && !empty($articles) && !empty($footer)) {
+                            $rss = $header.$articles.$footer;
+                            
+                            //Save the XML contents to file.
+                            $status = rss_save_file("data", $dataActivity, $rss);
+                        }
+                        else {
+                            $status = false;
+                        }
+                    }
+                }
+            }
+        }
+        return $status;
+    }
+
+?>
\ No newline at end of file