basic functionality pass 3

1 files changed, 109 insertions, 0 deletions

diff --git a/functions.php b/functions.php
new file mode 100644
index 000000000..76917935c
--- /dev/null
+++ b/functions.php
@@ -0,0 +1,109 @@
+<?
+	require_once 'config.php';
+
+	function update_all_feeds($link) {
+
+		$result = pg_query($link, "SELECT feed_url,id FROM ttrss_feeds WHERE
+			last_updated is null OR
+			EXTRACT(EPOCH FROM NOW()) - EXTRACT(EPOCH FROM last_updated) > " . 
+			MIN_UPDATE_TIME);
+
+		while ($line = pg_fetch_assoc($result)) {
+			update_rss_feed($link, $line["feed_url"], $line["id"]);
+		}
+
+	}
+
+	function update_rss_feed($link, $feed_url, $feed) {
+
+		$rss = fetch_rss($feed_url);
+	
+		if ($rss) {
+
+			foreach ($rss->items as $item) {
+	
+				$entry_guid = $item["id"];
+	
+				if (!$entry_guid) $entry_guid = $item["guid"];
+				if (!$entry_guid) $entry_guid = $item["link"];
+	
+				$entry_timestamp = $item["pubdate"];
+				if (!$entry_timestamp) $entry_timestamp = $item["modified"];
+				if (!$entry_timestamp) $entry_timestamp = $item["updated"];
+	
+				$entry_timestamp = strtotime($entry_timestamp);
+	
+				$entry_title = $item["title"];
+				$entry_link = $item["link"];
+	
+				$entry_content = $item["description"];
+				if (!$entry_content) $entry_content = $item["content"];
+	
+				$entry_content = pg_escape_string($entry_content);
+				$entry_title = pg_escape_string($entry_title);
+	
+				$content_md5 = md5($entry_content);
+	
+				$result = pg_query($link, "
+					SELECT 
+						id,unread,md5_hash
+					FROM
+						ttrss_entries 
+					WHERE
+						guid = '$entry_guid' OR md5_hash = '$content_md5'");
+				
+				if (pg_num_rows($result) == 0) {
+	
+					$entry_timestamp = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
+	
+					$query = "INSERT INTO ttrss_entries 
+							(title, guid, link, updated, content, feed_id, md5_hash) 
+						VALUES
+							('$entry_title', '$entry_guid', '$entry_link', 
+								'$entry_timestamp', '$entry_content', '$feed', 
+								'$content_md5')";
+	
+					pg_query($link, $query);
+	
+				} else {
+	
+					$entry_id = pg_fetch_result($result, 0, "id");
+					$entry_timestamp = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
+	
+					$unread = pg_fetch_result($result, 0, "unread");
+					$md5_hash = pg_fetch_result($result, 0, "md5_hash");
+				
+					if ($md5_hash != $content_md5) 
+						$unread = "false";
+				
+					$query = "UPDATE ttrss_entries 
+						SET 
+							title ='$entry_title', 
+							link = '$entry_link', 
+							updated = '$entry_timestamp', 
+							content = '$entry_content',
+							md5_hash = '$content_md5',
+							unread = '$unread'
+						WHERE
+							id = '$entry_id'";
+	
+					$result = pg_query($link, $query);
+	
+
+	//						print "$entry_guid - $entry_timestamp - $entry_title - 
+	//							$entry_link - $entry_id<br>";
+	
+				}
+	
+			}
+
+			$result = pg_query($link, "UPDATE ttrss_feeds SET last_updated = NOW()");
+
+		}
+
+	}
+
+
+
+
+?>