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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <json.h>
#include "icclient/product.h"
#include "icclient/catalog.h"
#ifdef __EMSCRIPTEN__
#include <emscripten/fetch.h>
#define ICCLIENT_HANDLER_REALSIZE fetch->numBytes
#define ICCLIENT_HANDLER_STRUCT fetch->
#define ICCLIENT_HANDLER_RETURN
#else
#define ICCLIENT_HANDLER_REALSIZE size * nmemb
#define ICCLIENT_HANDLER_STRUCT
#define ICCLIENT_HANDLER_RETURN realsize
#endif
static json_tokener *tokener = NULL;
void icclient_catalog_init()
{
tokener = json_tokener_new();
}
#ifdef __EMSCRIPTEN__
void icclient_catalog_results(emscripten_fetch_t *fetch)
#else
size_t icclient_catalog_results(void *data, size_t size, size_t nmemb, void *userData)
#endif
{
size_t realsize = ICCLIENT_HANDLER_REALSIZE;
json_object *products = json_tokener_parse_ex(tokener, ICCLIENT_HANDLER_STRUCT data, realsize);
enum json_tokener_error error = json_tokener_get_error(tokener);
if (!products) {
if (error == json_tokener_continue)
return ICCLIENT_HANDLER_RETURN;
else {
json_tokener_reset(tokener);
return ICCLIENT_HANDLER_RETURN;
}
} else if (!json_object_is_type(products, json_type_array) || error != json_tokener_success)
return ICCLIENT_HANDLER_RETURN;
size_t length = json_object_array_length(products);
struct icclient_catalog_callback *catalog_callback
= (struct icclient_catalog_callback *)ICCLIENT_HANDLER_STRUCT userData;
struct icclient_catalog **catalogptr = catalog_callback->catalog;
*catalogptr = malloc(sizeof(struct icclient_catalog) + sizeof(struct icclient_product *[length]));
struct icclient_catalog *catalog = *catalogptr;
catalog->length = length;
for (size_t i = 0; i < length; i++) {
catalog->products[i] = malloc(sizeof(struct icclient_product));
struct icclient_product *product = catalog->products[i];
icclient_product_init(product);
json_object *object = json_object_array_get_idx(products, i);
struct json_object_iterator iterator = json_object_iter_begin(object);
struct json_object_iterator iterator_end = json_object_iter_end(object);
while (!json_object_iter_equal(&iterator, &iterator_end)) {
const char *key = json_object_iter_peek_name(&iterator);
json_object *val = json_object_iter_peek_value(&iterator);
if (!strcmp(key, "price"))
product->price = json_object_get_double(val);
else {
int len = json_object_get_string_len(val);
if (len) {
char *value = malloc(len + 1);
strcpy(value, json_object_get_string(val));
if (!strcmp(key, "sku"))
product->sku = value;
else if (!strcmp(key, "thumb"))
product->thumb = value;
else if (!strcmp(key, "image"))
product->image = value;
else if (!strcmp(key, "description"))
product->description = value;
else if (!strcmp(key, "prod_group"))
product->prod_group = value;
}
}
json_object_iter_next(&iterator);
}
}
catalog_callback->callback(catalog);
free(catalog_callback);
#ifdef __EMSCRIPTEN__
emscripten_fetch_close(fetch);
#endif
return ICCLIENT_HANDLER_RETURN;
}
void icclient_catalog_free(struct icclient_catalog *catalog)
{
for (size_t i = 0; i < catalog->length; i++)
icclient_product_free(catalog->products[i]);
free(catalog);
catalog = NULL;
json_tokener_free(tokener);
}
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