From a144d60c562891c864388b551f499029ceeed871 Mon Sep 17 00:00:00 2001
From: MPetrovic <mpetrovic@iq.harvard.edu>
Date: Wed, 2 Nov 2011 15:13:16 -0400
Subject: [PATCH] Work on server side of saving game to server.

---
 srv/db.main.inc  |  5 +++++
 srv/db.mysql.inc | 41 +++++++++++++++++++++++++++++++++++++++--
 srv/save.php     | 48 +++++++++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 91 insertions(+), 3 deletions(-)
 create mode 100644 srv/db.main.inc

diff --git a/srv/db.main.inc b/srv/db.main.inc
new file mode 100644
index 000000000..6b160daba
--- /dev/null
+++ b/srv/db.main.inc
@@ -0,0 +1,5 @@
+<?php
+
+require_once('db.auth.inc');
+require_once('db.'.$dbType.'.inc');
+?>
\ No newline at end of file
diff --git a/srv/db.mysql.inc b/srv/db.mysql.inc
index 1714c992a..ecbbe7a79 100644
--- a/srv/db.mysql.inc
+++ b/srv/db.mysql.inc
@@ -3,7 +3,6 @@
  * db.auth.php contains server specific parameters
  * It should never be made public
  */
-include('db.auth.php');
 $conn = mysql_connect($server, $user, $pass);
 if (!mysql_select_db($db)) {
 	mysql_create_db($db);
@@ -22,7 +21,7 @@ if (!mysql_select_db($db)) {
 	'id' => array(
 		'type' => 'int',
 		'length' => 11,
-		'index' => 'primary',
+		'index' => 'primary key',
 		'autoincrement' => false,
 	),
 	'data' => array(
@@ -34,6 +33,33 @@ if (!mysql_select_db($db)) {
  createTable('save', $fields);
  */
 function createTable($name, $fields) {
+	$s = s("SELECT * FROM %s LIMIT 1", $name);
+	if (!($res = q($s))) {
+		// table doesn't exist yet
+		$s = "CREATE TABLE %s (%s)";
+		$columns = array();
+		foreach ($fields as $f_name => $f) {
+			$str = $f_name.' '.getType($f['type']);
+			if ($f['length']) $str.='('.$f['length'].')';
+			if ($f['autoincrement']) $str.= ' AUTOINCREMENT';
+			if ($f['index'] && $f['index'] != 'no') $str.= ' '.$f['index'];
+			$columns[] = $str;
+		}
+		
+		$s = s($s, $name, implode(', ', $columns));
+		q($s);
+	}
+}
+
+// shortcut for sprintf
+function s() {
+	$args = func_get_args();
+	$format = array_shift($args);
+	foreach ($args as &$arg) {
+		if (is_string($arg))
+			$arg = mysql_real_escape_string($arg);
+	}
+	return vsprintf($format, $args);
 }
 
 /**@
@@ -59,4 +85,15 @@ function f($result) {
 	return mysql_fetch_assoc($result);
 }
 
+function getType($type) {
+	static $typeMap = array(
+		'int' => 'INT',
+		'string' => 'VARCHAR',
+		'text' => 'TEXT',
+		'float' => 'FLOAT',
+	);
+	
+	return $typeMap[$type];
+}
+
 ?>
\ No newline at end of file
diff --git a/srv/save.php b/srv/save.php
index b31608711..b3a713376 100644
--- a/srv/save.php
+++ b/srv/save.php
@@ -1,5 +1,51 @@
 <?php
-include('db.mysql.inc');
+$db = mysql_real_escape_string($_POST['game']);
+include('db.main.inc');
 
+$table = 'save';
+$fields = array(
+	'key' => array(
+		'type' => 'string',
+		'length' => 255,
+		'index' => 'primary key',
+	),
+	'player' => array(
+		'type' => 'int',
+		'length' => 11,
+	),
+	'ts' => array(
+		'type' => 'timestamp',
+	),
+	'data' => array(
+		'type' => 'text',
+	),
+);
 
+createTable($table, $fields);
+
+$output = array();
+switch ($_POST['mode']) {
+	case 'timestamps':
+		$s = s("SELECT key, ts AS timestamp FROM %s", $table);
+		$q = q($s);
+		while ($r = f($q)) {
+			$output[] = (object)$r;
+		}
+	break;
+	case 'save':
+		$r = f(q(s("SELECT COUNT(key) AS c FROM %s WHERE key = '%s'", $table, $_POST['key'])));
+		if ($r['c']) {
+			// update
+			q(s("UPDATE %s SET data = '%s', ts = %d WHERE key = '%s'", $table, serialize($_POST['data']), $_POST['timestamp']));
+		}
+		else {
+			// insert
+			q(s("INSERT INTO %s VALUE('%s', 0, %d, '%s')", $table, $_POST['key'], $_POST['timestamp'], serialize($_POST['data'])));
+		}
+	break;
+	case 'load':
+	break;
+}
+
+echo json_encode($output);
 ?>
\ No newline at end of file