Revert "Rewrote database support to classes, Fixed strict warning in sanitizedummy.php"

This reverts commit 65d0cc64a2ca1ce259fbba501b13deaf1870e540.

2 files changed, 128 insertions, 48 deletions

diff --git a/include/db.php b/include/db.php
index 28718fb02..f1a7af363 100644
--- a/include/db.php
+++ b/include/db.php
@@ -2,68 +2,137 @@
 
 require_once "config.php";
 
-$db_class = 'Db_'.ucfirst(DB_TYPE);
-$db_class_file = 'classes/' . str_replace('_', '/', $db_class) . '.php';
-
-require_once "classes/Db/Interface.php";
-require_once "classes/Db/Abstract.php";
-require_once $db_class_file;
-
-$db = $db_class::instance(); //  call_user_func(array($db_class, 'instance'));
-
-function db_connect($host, $user, $pass, $db_name) {
-    global $db;
-    return $db->connect($host, $user, $pass, $db_name);
+function db_connect($host, $user, $pass, $db) {
+	if (DB_TYPE == "pgsql") {
+
+		$string = "dbname=$db user=$user";
+
+		if ($pass) {
+			$string .= " password=$pass";
+		}
+
+		if ($host) {
+			$string .= " host=$host";
+		}
+
+		if (defined('DB_PORT')) {
+			$string = "$string port=" . DB_PORT;
+		}
+
+		$link = pg_connect($string);
+
+		if (!$link) {
+			die("Unable to connect to database (as $user to $host, database $db):" . pg_last_error());
+		}
+
+		return $link;
+
+	} else if (DB_TYPE == "mysql") {
+		$link = mysql_connect($host, $user, $pass);
+		if ($link) {
+			$result = mysql_select_db($db, $link);
+			if (!$result) {
+				die("Can't select DB: " . mysql_error($link));
+			}
+			return $link;
+		} else {
+			die("Unable to connect to database (as $user to $host, database $db): " . mysql_error());
+		}
+	}
 }
 
 function db_escape_string($s, $strip_tags = true) {
-    global $db;
-    return $db->escape_string($s, $strip_tags);
+	if ($strip_tags) $s = strip_tags($s);
+
+	if (DB_TYPE == "pgsql") {
+		return pg_escape_string($s);
+	} else {
+		return mysql_real_escape_string($s);
+	}
 }
 
 function db_query($link, $query, $die_on_error = true) {
-    global $db;
-    return $db->query($query, $die_on_error);
+	if (DB_TYPE == "pgsql") {
+		$result = pg_query($link, $query);
+		if (!$result) {
+			$query = htmlspecialchars($query); // just in case
+			if ($die_on_error) {
+				die("Query <i>$query</i> failed [$result]: " . ($link ? pg_last_error($link) : "No connection"));
+			}
+		}
+		return $result;
+	} else if (DB_TYPE == "mysql") {
+		$result = mysql_query($query, $link);
+		if (!$result) {
+			$query = htmlspecialchars($query);
+			if ($die_on_error) {
+				die("Query <i>$query</i> failed: " . ($link ? mysql_error($link) : "No connection"));
+			}
+		}
+		return $result;
+	}
 }
 
 function db_fetch_assoc($result) {
-    global $db;
-    return $db->fetch_assoc($result);
+	if (DB_TYPE == "pgsql") {
+		return pg_fetch_assoc($result);
+	} else if (DB_TYPE == "mysql") {
+		return mysql_fetch_assoc($result);
+	}
 }
 
+
 function db_num_rows($result) {
-    global $db;
-    return $db->num_rows($result);
+	if (DB_TYPE == "pgsql") {
+		return pg_num_rows($result);
+	} else if (DB_TYPE == "mysql") {
+		return mysql_num_rows($result);
+	}
 }
 
 function db_fetch_result($result, $row, $param) {
-    global $db;
-    return $db->fetch_result($result, $row, $param);
+	if (DB_TYPE == "pgsql") {
+		return pg_fetch_result($result, $row, $param);
+	} else if (DB_TYPE == "mysql") {
+		// I hate incoherent naming of PHP functions
+		return mysql_result($result, $row, $param);
+	}
 }
 
 function db_unescape_string($str) {
-    global $db;
-    return $db->unescape_string($str);
+	$tmp = str_replace("\\\"", "\"", $str);
+	$tmp = str_replace("\\'", "'", $tmp);
+	return $tmp;
 }
 
 function db_close($link) {
-    global $db;
-    return $db->close();
+	if (DB_TYPE == "pgsql") {
+
+		return pg_close($link);
+
+	} else if (DB_TYPE == "mysql") {
+		return mysql_close($link);
+	}
 }
 
 function db_affected_rows($link, $result) {
-    global $db;
-    return $db->affected_rows($result);
+	if (DB_TYPE == "pgsql") {
+		return pg_affected_rows($result);
+	} else if (DB_TYPE == "mysql") {
+		return mysql_affected_rows($link);
+	}
 }
 
 function db_last_error($link) {
-    global $db;
-    return $db->last_error();
+	if (DB_TYPE == "pgsql") {
+		return pg_last_error($link);
+	} else if (DB_TYPE == "mysql") {
+		return mysql_error($link);
+	}
 }
 
 function db_quote($str){
-    global $db;
-    return $db->quote($str);
+	return("'$str'");
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/include/functions.php b/include/functions.php
index 4dc286eb6..54b840329 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -6,17 +6,14 @@
 	$pluginhost = false;
 
 	function __autoload($class) {
-		$class_file1 = str_replace("_", "/", basename($class));   // PSR-0
-		$class_file2 = str_replace("_", "/", strtolower(basename($class)));
+		$class_file = str_replace("_", "/", strtolower(basename($class)));
 
-		$file1 = dirname(__FILE__)."/../classes/$class_file1.php";
-		$file2 = dirname(__FILE__)."/../classes/$class_file2.php";
+		$file = dirname(__FILE__)."/../classes/$class_file.php";
 
-		if (file_exists($file1)) {
-			require $file1;
-		} elseif (file_exists($file2)) {
-			require $file2;
+		if (file_exists($file)) {
+			require $file;
 		}
+
 	}
 
 	mb_internal_encoding("UTF-8");
@@ -202,6 +199,8 @@
 					ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 			}
 
+			$rows = pg_affected_rows($result);
+
 		} else {
 
 /*			$result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
@@ -217,8 +216,9 @@
 				$query_limit
 				ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 
+			$rows = mysql_affected_rows($link);
+
 		}
-		$rows = db_affected_rows($link, $result);
 
 		ccache_update($link, $feed_id, $owner_uid);
 
@@ -952,7 +952,7 @@
 	}
 
 	function sql_random_function() {
-        if (DB_TYPE == "mysql") {
+		if (DB_TYPE == "mysql") {
 			return "RAND()";
 		} else {
 			return "RANDOM()";
@@ -3208,13 +3208,24 @@
 	}
 
 	function init_connection($link) {
-		global $db;
-		if ($db) {
-			$db->init();
+		if ($link) {
+
+			if (DB_TYPE == "pgsql") {
+				pg_query($link, "set client_encoding = 'UTF-8'");
+				pg_set_client_encoding("UNICODE");
+				pg_query($link, "set datestyle = 'ISO, european'");
+				pg_query($link, "set TIME ZONE 0");
+			} else {
+				db_query($link, "SET time_zone = '+0:0'");
+
+				if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
+					db_query($link, "SET NAMES " . MYSQL_CHARSET);
+				}
+			}
 
 			global $pluginhost;
 
-			$pluginhost = new PluginHost($db->getLink());
+			$pluginhost = new PluginHost($link);
 			$pluginhost->load(PLUGINS, $pluginhost::KIND_ALL);
 
 			return true;
@@ -3903,4 +3914,4 @@
 		return in_array($interface, class_implements($class));
 	}
 
-?>
\ No newline at end of file
+?>