Order function

3 files changed, 63 insertions, 5 deletions

diff --git a/client.c b/client.c
index 94de4c9..6726fe6 100644
--- a/client.c
+++ b/client.c
@@ -1,11 +1,16 @@
 #include <stdbool.h>
 #include <stdlib.h>
+#include <string.h>
 #include "login.h"
 #include "icclient/product.h"
 #include "icclient/catalog.h"
+#include "icclient/ord.h"
 #include "icclient/client.h"
 
+typedef struct icclient_product icclient_product;
 typedef struct icclient_catalog icclient_catalog;
+typedef struct icclient_ord_item icclient_ord_item;
+typedef struct icclient_ord_order icclient_ord_order;
 
 CURL *curl = NULL;
 char *server_url = NULL;
@@ -19,9 +24,6 @@ bool icclient_init(const char *url, const char *certificate)
 		curl_easy_setopt(curl, CURLOPT_COOKIEFILE, "");
 		if (certificate)
 			curl_easy_setopt(curl, CURLOPT_CAINFO, certificate);
-#ifdef DEBUG
-		curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
-#endif
 		size_t length = strlen(url);
 		bool append = !(bool)(url[length - 1] == '/');
 		server_url = malloc(length + (size_t)append + 1);
@@ -40,6 +42,57 @@ void icclient_allproducts(size_t (*handler)(void *, size_t, size_t, void *)
 	request(handler, (void *)catalogptr, NULL, "%s", "All-Products");
 }
 
+static int prodcmp(const void *product1, const void *product2)
+{
+	return strcmp(((icclient_product *)product1)->sku
+			, ((icclient_product *)product2)->sku);
+}
+
+static int itemcmp(const void *item1, const void *item2)
+{
+	return strcmp(((icclient_ord_item *)item1)->product->sku
+			, ((icclient_ord_item *)item2)->product->sku);
+}
+
+void icclient_order(icclient_ord_order **orderptr, const char *sku
+		, icclient_catalog *catalog)
+{
+	if (!*orderptr) {
+		(*orderptr) = malloc(sizeof(icclient_ord_order));
+		(*orderptr)->subtotal = .0;
+		(*orderptr)->shipping = .0;
+		(*orderptr)->subtotal = .0;
+		(*orderptr)->nitems = 0;
+	}
+	icclient_ord_order *order = *orderptr;
+
+	qsort(catalog->products, catalog->length, sizeof(icclient_product)
+			, prodcmp);
+	icclient_product *product = bsearch(sku, catalog->products
+		, catalog->length, sizeof(icclient_product), prodcmp);
+
+	qsort(order->items, order->nitems, sizeof(icclient_ord_item), itemcmp);
+	icclient_ord_item *item = bsearch(sku, order->items, order->nitems
+			, sizeof(icclient_ord_item), itemcmp);
+
+	if (item)
+		item->quantity++;
+	else {
+		item = malloc(sizeof(icclient_ord_item));
+		item->product = product;
+		item->quantity = 1;
+		*orderptr = realloc(*orderptr, sizeof(*orderptr)
+				+ sizeof(icclient_ord_item));
+		(*orderptr)->items[(*orderptr)->nitems++] = item;
+		order = *orderptr;
+	}
+
+	order->subtotal += item->product->price;
+	order->total_cost += item->product->price;
+
+	request(NULL, NULL, NULL, "%s%s", "order?mv_arg=", sku);
+}
+
 void icclient_newaccount(const char *username, const char *password
 		, const char *verify, const char *successpage, const char *nextpage
 		, const char *failpage)
@@ -66,7 +119,7 @@ void icclient_page(const char *path, size_t (*handler)(void *, size_t, size_t
 	request(handler, (void *)dataptr, NULL, "%s", path);
 }
 
-void icclient_freeproduct(struct icclient_product *product)
+void icclient_freeproduct(icclient_product *product)
 {
 	if (product->image)
 		free(product->image);
diff --git a/icclient/client.h b/icclient/client.h
index e49af36..db38926 100644
--- a/icclient/client.h
+++ b/icclient/client.h
@@ -3,6 +3,7 @@
 
 struct icclient_product;
 struct icclient_catalog;
+struct icclient_ord_order;
 
 #ifdef __cplusplus
 extern "C" {
@@ -12,6 +13,8 @@ extern "C" {
 	void icclient_allproducts(size_t (*handler)(void *contents, size_t size
 				, size_t nmemb, void *userdata)
 			, struct icclient_catalog **catalogptr);
+	void icclient_order(struct icclient_ord_order **orderptr, const char *sku
+			, struct icclient_catalog *catalog);
 	void icclient_newaccount(const char *username, const char *password
 			, const char *verify, const char *successpage
 			, const char *nextpage, const char *failpage);
diff --git a/icclient/ord.h b/icclient/ord.h
index 0cd0e75..5632ffe 100644
--- a/icclient/ord.h
+++ b/icclient/ord.h
@@ -7,7 +7,9 @@ struct icclient_ord_item {
 };
 
 struct icclient_ord_order {
-	double subtotal, shipping, total_cost;
+	double subtotal;
+	double shipping;
+	double total_cost;
 	size_t nitems;
 	struct icclient_ord_item *items[];
 };