From d76a3b036c8863ae023686f08e36b11dc9e8ce2e Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@bah.spb.su>
Date: Sun, 21 Aug 2005 14:46:43 +0100
Subject: [PATCH] basic functionality pass 1

---
 backend.php      | 185 ++++++++++++++++++++++++++++++++++++++++-------
 tt-rss.css       |  52 ++++++++++---
 tt-rss.js        |  34 ++++++---
 tt-rss.php       |   5 +-
 ttrss_schema.sql |  14 ++--
 5 files changed, 234 insertions(+), 56 deletions(-)

diff --git a/backend.php b/backend.php
index d850f0233..5eb64d102 100644
--- a/backend.php
+++ b/backend.php
@@ -3,13 +3,22 @@
 
 	include "config.php";
 
-	$link = pg_connect(DB_CONN);
-	
+	require_once('magpierss/rss_fetch.inc');
+
+	$link = pg_connect(DB_CONN);	
+
+	pg_query("set client_encoding = 'utf-8'");
+
 	$op = $_GET["op"];
 	
 	if ($op == "feeds") {
 
-		$result = pg_query("SELECT * FROM ttrss_feeds ORDER BY title");			
+		$result = pg_query("SELECT *,
+			(SELECT count(id) FROM ttrss_entries 
+				WHERE feed_id = ttrss_feeds.id) AS total,
+			(SELECT count(id) FROM ttrss_entries
+				WHERE feed_id = ttrss_feeds.id AND unread = true) as unread
+			FROM ttrss_feeds ORDER BY title");			
 
 		print "<ul>";
 
@@ -20,11 +29,14 @@
 			$feed = $line["title"];
 			$feed_id = $line["id"];	  
 			
+			$total = $line["total"];
+			$unread = $line["unread"];
+			
 			$class = ($lnum % 2) ? "even" : "odd";
 			
 //			if ($lnum == 2 || $lnum == 0) $feed = "<b>$feed</b>";
 			
-			$feed = "<a href=\"javascript:viewfeed($feed_id);\">$feed</a>";
+			$feed = "<a href=\"javascript:viewfeed($feed_id, 0);\">$feed ($unread/$total)</a>";
 			
 			print "<li class=\"$class\">$feed</li>";
 			++$lnum;
@@ -36,46 +48,163 @@
 
 	if ($op == "view") {
 
-		$post = $_GET["post"];
-		$feed = $_GET["feed"];
+		$id = $_GET["id"];
 
-		print "<h1>$post</h1>";
-		print "<h2>$feed</h2>";
+		$result = pg_query("SELECT title,link,content FROM ttrss_entries
+			WHERE	id = '$id'");
 
-		print "<p>Blah blah blah blah blah</p>";
+		if ($result) {
 
+			$line = pg_fetch_assoc($result);
+
+			print "<table class=\"feedOverview\">";
+			print "<tr><td><b>Title:</b></td><td>".$line["title"]."</td></tr>";
+			print "<tr><td><b>Link:</b></td><td><a href=\"".$line["link"]."\">".$line["link"]."</a></td></tr>";
+
+			print "</table>";
+
+			print $line["content"];
+
+
+		}
 	}
 
 	if ($op == "viewfeed") {
 
 		$feed = $_GET["feed"];
+//		$feed = 0; // for speed
 
-		$headlines = array("Linus Torvalds flies to the Moon",
-			"SCO bankrupt at last",
-			"OMG WTF ANOTHER HEADLINE",
-			"Another clever headline from $feed",
-			"I'm really not feeling creative today",
-			"No, seriously");
+		$skip = $_GET["skip"];
 
-		$headlines = array_merge($headlines, $headlines);
+		$result = pg_query("SELECT * FROM ttrss_feeds WHERE id = '$feed'");
 
-		print "<ul>";
+		if ($result) {
 
-		$lnum = 0;
+			$line = pg_fetch_assoc($result);
 
-		foreach ($headlines as $hl) {
-			$class = ($lnum % 2) ? "even" : "odd";
+			$rss = fetch_rss($line["feed_url"]);
 
-//			if ($lnum == 2 || $lnum == 0) $feed = "<b>$feed</b>";
+			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);
+
+					$result = pg_query("
+						SELECT 
+							id,unread,md5_hash
+						FROM
+							ttrss_entries 
+						WHERE
+							guid = '$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($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'";
+
+						$result = pg_query($query);
+
+//						print "$entry_guid - $entry_timestamp - $entry_title - 
+//							$entry_link - $entry_id<br>";
+
+					}
+
+				}
 			
-			$hl = "<a href=\"javascript:view('$feed','$hl')\">$hl</a>";
-			
-			print "<li class=\"$class\">$hl</li>";
-			++$lnum;
+				print "<table class=\"headlines\" width=\"100%\">";
+				print "<tr><td colspan=\"2\" class=\"title\">" . $rss->channel["title"] . "</td></tr>";
+
+				$result = pg_query("SELECT id,title,updated,unread FROM ttrss_entries WHERE
+					feed_id = '$feed' ORDER BY updated LIMIT 10 OFFSET $skip");
+
+				$lnum = 0;
+
+				while ($line = pg_fetch_assoc($result)) {
+
+					$class = ($lnum % 2) ? "even" : "odd";
+
+					if ($line["unread"] == "t") 
+						$class .= "Unread";
+
+					$content_link = "<a href=\"javascript:view(".$line["id"].");\">".$line["title"]."</a>";
+					
+					print "<tr class='$class' id='RROW-".$line["id"]."'>";
+					print "<td class='headlineUpdated'>".$line["updated"]."</td>";
+					print "<td class='headlineTitle'>$content_link</td>";
+
+					print "</tr>";
+
+					++$lnum;
+				}
+
+				print "<tr><td colspan=\"2\" class=\"headlineToolbar\">";
+
+				$next_skip = $skip + 10;
+				$prev_skip = $skip - 10;
+
+				print "<a class=\"button\" 
+					href=\"javascript:viewfeed($feed, $prev_skip);\">Previous Page</a>";
+				print "&nbsp;";
+				print "<a class=\"button\" 
+					href=\"javascript:viewfeed($feed, $next_skip);\">Next Page</a>";
+
+				print "</td></tr>";
+				print "</table>";
+
+			}
+
 		}
-
-		print "</ul>";
-
 	}
 
 
diff --git a/tt-rss.css b/tt-rss.css
index 77e36b073..5903e77c3 100644
--- a/tt-rss.css
+++ b/tt-rss.css
@@ -18,7 +18,7 @@ a.button {
 	border : 1px solid #d0d0d0;
 	background : white;
 	color : black;
-	padding : 5px 10px 5px 10px;
+	padding : 2px 10px 2px 10px;
 }
 
 a.button:hover {
@@ -26,14 +26,41 @@ a.button:hover {
 	text-decoration : none;
 }
 
-td.toolbar {
+table.feedOverview {
+	margin : 5px;
+	border : 1px solid #c0c0c0;
+	background : #f0f0f0;
+	-moz-border-radius : 5px;
+	padding : 5px;
+	font-size : small;
+}
+
+td.headlineToolbar {
+	padding-top : 10px;
+}
+
+table.headlines td.title {
+	font-weight : bold;
+	font-size : large;
+	border-width : 0px 0px 1px 0px;
+	border-color : #d0d0d0;
+	border-style : solid;
+	text-align : right;
+}
+
+table.headlines td.headlineUpdated {
+	width : 200px;
+
+}
+
+table.main td.toolbar {
 	height : 40px;
 	text-align : right;
 	background : #f0f0f0;
 	padding-right : 5px;
 }
 
-td.header {
+table.main td.header {
 	font-size : 18pt;
 	background : #f0f0f0;
 	height : 50px;
@@ -42,15 +69,15 @@ td.header {
 	font-weight : bold;
 }
 
-td.feeds {
-	width : 180px;
+table.main td.feeds {
+	width : 250px;
 	border-width : 1px 1px 0px 0px;
 	border-color : #c0c0c0;
 	border-style : solid;
 	padding : 10px;
 }
 
-td.headlines {
+table.main td.headlines {
 	height : 25%;
 	padding : 10px;
 	border-width : 1px 0px 0px 0px;
@@ -59,7 +86,7 @@ td.headlines {
 	overflow : scroll;
 }
 
-td.content {
+table.main td.content {
 	padding : 10px;
 	border-width : 1px 0px 0px 0px;
 	border-color : #c0c0c0;
@@ -67,7 +94,7 @@ td.content {
 	overflow : scroll;
 }
 
-td.notify {
+table.main td.notify {
 	height : 40px;
 	border-width : 1px 0px 0px 0px;
 	border-color : #c0c0c0;
@@ -81,11 +108,14 @@ td.notify {
 	background-color : #f0f0f0;
 }
 
-.odd {
-
-
+.evenUnread {
+	background-color : #f0f0f0;
+	font-weight : bold;
 }
 
+.oddUnread {
+	font-weight : bold;
+}
 
 li {
 	list-style-type : none;
diff --git a/tt-rss.js b/tt-rss.js
index 6d3a2f342..627ad0c5d 100644
--- a/tt-rss.js
+++ b/tt-rss.js
@@ -47,20 +47,26 @@ function notify(msg) {
 }
 
 function feedlist_callback() {
+	var container = document.getElementById('feeds');
 	if (xmlhttp.readyState == 4) {
-		document.getElementById('feeds').innerHTML=xmlhttp.responseText;
+		container.innerHTML=xmlhttp.responseText;
+	} else {
 	}
 }
 
 function viewfeed_callback() {
+	var container = document.getElementById('headlines');
 	if (xmlhttp.readyState == 4) {
-		document.getElementById('headlines').innerHTML=xmlhttp.responseText;
+		container.innerHTML = xmlhttp.responseText;
+	} else {
 	}
 }
 
 function view_callback() {
+	var container = document.getElementById('content');
 	if (xmlhttp.readyState == 4) {
-		document.getElementById('content').innerHTML=xmlhttp.responseText;		
+		container.innerHTML=xmlhttp.responseText;		
+	} else {
 	}
 }
 
@@ -73,22 +79,32 @@ function update_feed_list() {
 
 }
 
-function viewfeed(feed) {
+function viewfeed(feed, skip) {
 
 	notify("view-feed: " + feed);
 
-	xmlhttp.open("GET", "backend.php?op=viewfeed&feed=" + param_escape(feed) , true);
+	document.getElementById('headlines').innerHTML='Loading headlines, please wait...';		
+
+	xmlhttp.open("GET", "backend.php?op=viewfeed&feed=" + param_escape(feed) +
+		"&skip=" + skip, true);
 	xmlhttp.onreadystatechange=viewfeed_callback;
 	xmlhttp.send(null);
 
 }
 
-function view(feed, post) {
+function view(id) {
 
-	notify("view: " + feed + ", " + post);
+	var crow = document.getElementById("RROW-" + id);
 
-	xmlhttp.open("GET", "backend.php?op=view&feed=" + param_escape(feed) +
-		"&post=" + post, true);
+	if (crow) {
+		crow.className = crow.className.replace("Unread", "");
+	}
+
+	notify(crow.className);
+
+	document.getElementById('content').innerHTML='Loading, please wait...';		
+
+	xmlhttp.open("GET", "backend.php?op=view&id=" + param_escape(id), true);
 	xmlhttp.onreadystatechange=view_callback;
 	xmlhttp.send(null);
 
diff --git a/tt-rss.php b/tt-rss.php
index cc854ea6b..cba57923d 100644
--- a/tt-rss.php
+++ b/tt-rss.php
@@ -3,11 +3,12 @@
 	<title>Tiny Tiny RSS</title>
 	<link rel="stylesheet" href="tt-rss.css" type="text/css">
 	<script type="text/javascript" src="tt-rss.js"></script>
+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 </head>
 
 <body onload="init()">
 
-<table width="100%" height="100%" cellspacing=0 cellpadding=0>
+<table width="100%" height="100%" cellspacing=0 cellpadding=0 class="main">
 <tr>
 	<td class="header" valign="middle" colspan="2">	
 			Tiny Tiny RSS
@@ -16,7 +17,7 @@
 <tr>
 	<td class="toolbar" valign="middle" colspan="2">	
 		<a class="button">Preferences</a>
-		<a class="button">Refresh</a>
+		<a class="button" href="javascript:reload()">Refresh</a>
 	</td>
 </tr>
 <tr>
diff --git a/ttrss_schema.sql b/ttrss_schema.sql
index e627442e2..62446a8b3 100644
--- a/ttrss_schema.sql
+++ b/ttrss_schema.sql
@@ -6,20 +6,22 @@ create table ttrss_feeds (id serial not null primary key,
 	feed_url varchar(250) unique not null, 
 	last_updated timestamp default null);
 
-insert into ttrss_feeds (id,title,feed_url) values (0, 'Art.Gnome.Org Releases', 'http://art.gnome.org/backend.php');
+insert into ttrss_feeds (id,title,feed_url) values (0, 'Daily Strips', 'http://naboo.lan/~fox/strips/backend.php?op=rss');
 insert into ttrss_feeds (id,title,feed_url) values (1, 'Footnotes', 'http://gnomedesktop.org/node/feed');
 insert into ttrss_feeds (id,title,feed_url) values (2, 'Freedesktop.org', 'http://planet.freedesktop.org/rss20.xml');
 insert into ttrss_feeds (id,title,feed_url) values (3, 'Planet Debian', 'http://planet.debian.org/rss20.xml');
 insert into ttrss_feeds (id,title,feed_url) values (4, 'Planet Ubuntu', 'http://planet.ubuntulinux.org/rss20.xml');
 insert into ttrss_feeds (id,title,feed_url) values (5, 'Planet GNOME', 'http://planet.gnome.org/rss20.xml');
 insert into ttrss_feeds (id,title,feed_url) values (6, 'Monologue', 'http://www.go-mono.com/monologue/index.rss');
+insert into ttrss_feeds (id,title,feed_url) values (7, 'Art.Gnome.Org Releases', 'http://art.gnome.org/backend.php');
 
 create table ttrss_entries (id serial not null primary key, 
-	feed_id int references ttrss_feeds(id), 
-	entry_time timestamp not null, 
-	headline varchar(250) not null, 
+	feed_id int references ttrss_feeds(id) not null, 
+	updated timestamp not null, 
+	title varchar(250) not null, 
 	guid varchar(300) not null unique, 
-	link varchar(300) not null, 
-	content text not null
+	link varchar(300) not null unique, 
+	md5_hash varchar(200) not null unique,
+	content text not null,
 	unread boolean default true);