From: konrad <konrad@6e3c4bff-ac9f-4ac1-96c5-d2ea494d3e33>
Date: Sat, 3 Jul 2010 20:47:06 +0000 (+0000)
Subject: add web cart wrapper class
X-Git-Url: http://git.silmor.de/gitweb/?a=commitdiff_plain;h=d53b06135172c70d145333c9af512c3ee0d6c0e0;p=web%2Fkonrad%2Fsmoke.git

add web cart wrapper class


git-svn-id: https://silmor.de/svn/softmagic/smoke/trunk@516 6e3c4bff-ac9f-4ac1-96c5-d2ea494d3e33
---

diff --git a/wob/cart.wolf b/wob/cart.wolf
index 7d2f4e6..a5e2fde 100644
--- a/wob/cart.wolf
+++ b/wob/cart.wolf
@@ -9,7 +9,9 @@
 <Wolf>
 	<Table name="cart">
 		<!--the cookie for this cart-->
-		<Column name="cartid" type="string:32" primarykey="yes"/>
+		<Column name="cartid" type="string:32" primarykey="yes">
+			<Call lang="php" method="WebCart::getNewCartId()"/>
+		</Column>
 		<!--when the cart expires-->
 		<Column name="timeout" type="int64" notnull="yes"/>
 		<!--shipping address during order process-->
diff --git a/www/inc/classes/random.php b/www/inc/classes/random.php
index b65a7d3..62ec275 100644
--- a/www/inc/classes/random.php
+++ b/www/inc/classes/random.php
@@ -78,7 +78,7 @@ define("RND_OTHER2",0x18);
 /**return a new Code-39 capable ID; length is the amount of characters*/
 function getCode39ID($length,$range=RND_ANYRANGE)
 {
-	$c39="23456789ABCDEFGHJKLMNPRSTUVWXYZ+";
+	$c39="123456789ABCDEFGHJKLMNPQRSTUVWXYZ";
 	$rnd=getRandom($length*8);
 	$ret="";
 	for($i=0;$i<$length;$i++){
diff --git a/www/inc/rendering/autoload.php b/www/inc/rendering/autoload.php
index 3458417..bc9e1c6 100644
--- a/www/inc/rendering/autoload.php
+++ b/www/inc/rendering/autoload.php
@@ -10,5 +10,6 @@
 //
 $d=dirname(__FILE__);
 wob_autoclass("EventRender",$d.'/event_listing.php');
+wob_autoclass("WebCart",$d.'/cart_listing.php');
 
 ?>
diff --git a/www/inc/rendering/cart_listing.php b/www/inc/rendering/cart_listing.php
index 250b13c..36d0efd 100644
--- a/www/inc/rendering/cart_listing.php
+++ b/www/inc/rendering/cart_listing.php
@@ -9,6 +9,90 @@
 // +----------------------------------------------------------------------
 //
 
+/** helper class wrapping Web Cart handling */
+class WebCart{
+static private $cartid=false;
+
+/**contains the name of the cookie and the HTTP parameter for the cart ID*/
+const cartIdName = "smoke_cartid";
+
+/**called from index.php - add tickets to cart*/
+static function addTickets(){
+	global $HTTPARGS;
+	$cart=self::getOrCreateCart();
+	echo $cart;
+}
+
+/**returns the current cart ID, or an empty string if there is no cart*/
+static function getCart(){
+	global $HTTPARGS,$_COOKIE;
+	if(self::$cartid!==false)return self::$cartid;
+	//search GET/POST parms
+	if(isset($HTTPARGS[self::cartIdName])){
+		//found it, test it!
+		$ci=trim($HTTPARGS[self::cartIdName]);
+		if($ci!=""){
+			$res=WTcart::getFromDB($ci);
+			if(is_a($res,"WTcart")){
+				self::$cartid=$ci;
+				return $ci;
+			}
+		}
+	}
+	//search cookies
+	if(isset($_COOKIE[self::cartIdName])){
+		//found it, test it!
+		$ci=trim($_COOKIE[self::cartIdName]);
+		if($ci!=""){
+			$res=WTcart::getFromDB($ci);
+			if(is_a($res,"WTcart")){
+				self::$cartid=$ci;
+				return $ci;
+			}
+		}
+	}
+	//none found
+	self::$cartid="";
+	return "";
+}
+
+/**return existing cart or create a new one*/
+static public function getOrCreateCart(){
+	global $CartTimeout;
+	//try to find it
+	self::getCart();
+	if(self::$cartid==""){
+		//none there, create it
+		$c=WTcart::newRow();
+		$exp=time()+$CartTimeout;
+		$c->timeout=$exp;
+		$c->insert();
+		//set cookies
+		setCookie(self::cartIdName,$c->cartid,0);
+		//remember
+		self::$cartid=$c->cartid;
+	}
+	//return
+	return self::$cartid;
+}
+
+/** \internal called to generate a new cart*/
+static public function getNewCartId(){
+	do{
+		//generate ID
+		$ci=getCode39ID(32);
+		//look for duplicate
+		$res=WTcart::getFromDB($ci);
+		if(is_a($res,"WTcart"))continue;
+		//return ID
+		return $ci;
+	}while(true);
+}
+
+//end of WebCart
+};
+
+
 /** creates the cart overview */
 function createCartOverview()
 {
diff --git a/www/index.php b/www/index.php
index a40fd26..66d97c8 100644
--- a/www/index.php
+++ b/www/index.php
@@ -15,6 +15,10 @@ include("inc/rendering/autoload.php");
 //include process script (TODO: rework to be autoloaded)
 include('inc/rendering/submit.php');
 
+//unify arguments
+$HTTPARGS=$_GET;
+foreach($_POST as $a=>$p)$HTTPARGS[$a]=$p;
+
 //set common basics
 $mode="index";
 if(isset($_GET["mode"])){
@@ -29,10 +33,14 @@ $loader = new Twig_Loader_Filesystem($template);
 $twig = new Twig_Environment($loader, $twigoptions );
 foreach($twigextensions as $te)$twig->addExtension($te);
 
+$cartid=WebCart::getCart();
+// if($cartid!="")$carturl="cartid=$cartid&";else $carturl="";
+
 //basic variables shared by all templates
 // script URLs
 $basevars['script']['root']=$_SERVER['SCRIPT_NAME'];
 $basevars['script']['this']=$_SERVER['REQUEST_URI'];
+$basevars['script']['index']=$_SERVER['SCRIPT_NAME']."?mode=index";
 $basevars['script']['eventDetails']=$_SERVER['SCRIPT_NAME']."?mode=eventDetails&event=";
 $basevars['script']['eventOrder']=$_SERVER['SCRIPT_NAME']."?mode=eventOrder&event=";
 //$basevars['script']['cart']=$_SERVER['SCRIPT_NAME']."?mode=cart";
@@ -45,9 +53,11 @@ $basevars['script']['eventOrder']=$_SERVER['SCRIPT_NAME']."?mode=eventOrder&even
 $basevars['inputnames']['amountTickets']="amountTickets";
 $basevars['inputnames']['event']="event";
 $basevars['inputnames']['mode']="mode";
+$basevars['inputnames']['cartid']=WebCart::cartIdName;
+$basevars['cartcookie']=WebCart::cartIdName;
 
 //strings that are used to compose the overall layout
-$page="(internal error: no page text yet)";
+$page="(internal error: no page text yet, probably no template defined)";
 
 try{
 	//get page template and process it
@@ -56,7 +66,8 @@ try{
 			$page=EventRender::createEventDetails();
 			break;
 		case "eventOrder":
-			$page=
+			WebCart::addTickets();
+			break;
 /*		case "cart":
 			deleteEventFromCart();
 			changeTicketAmountInCart();
diff --git a/www/template/en/eventdetails.html b/www/template/en/eventdetails.html
index adb425e..a16694a 100644
--- a/www/template/en/eventdetails.html
+++ b/www/template/en/eventdetails.html
@@ -13,7 +13,7 @@
   {{event.date}} {{event.time}}, {{event.place}}<br/>
   Artist: {{event.artist}}<br/>
   {{event.description}}<br/>
-  <form action="{{script.eventOrder}}{{event.ID}}" method="GET">
+  <form action="{{script.eventOrder}}{{event.ID}}" method="POST">
   <table>
   <tr><td>Price:</td><td>Amount:</td></tr>
   {% for price in event.prices %}
diff --git a/www/template/en/index.html b/www/template/en/index.html
index 35cdd8a..64a132a 100644
--- a/www/template/en/index.html
+++ b/www/template/en/index.html
@@ -18,7 +18,7 @@
   {% for price in event.prices %}
    {{price.price}} ({{price.categoryname}})
   {% endfor %}<br/>
-  <a href="{{script.eventDetails}}{{event.ID}}">order tickets</a>
+  <a href="{{script.eventDetails}}{{event.ID}}">details/order tickets</a>
  {% endfor %}
 
 {% endblock %}