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#include <stdio.h>
#include <string.h>
#include <time.h>
#include <stdbool.h>
#include "private.h"
#define SELECT \
"<select name=\"%s\" %s>\n\
%s\
\t\t\t\t\t\t\t\t\t\t\t</select>"
#define SELECT_NUM_PARAMS 3
#define OPTION \
"\t\t\t\t\t\t\t\t\t\t\t\t<option value=\"%s\"%s>%s%s</option>\n"
#define OPTION_NUM_PARAMS 4
struct shipping *shipping_list[PIKUL_END];
const char **anteraja_init(char *[]);
const char **anteraja_services(const char *, const char *, double);
void anteraja_order(const char *, const char *, const char *, const char *, const char *, const char *,
const char *, const char *, const char *, const char *, const char *, const char *, int,
char **[], double);
void anteraja_cleanup();
static void recurse(struct json_object *outer, const char *trail[], struct json_object **last)
{
struct json_object *inner = NULL;
json_object_object_get_ex(outer, *trail, &inner);
if (*++trail)
recurse(inner, trail, last);
else
*last = inner;
}
static size_t handle(char *contents, size_t size, size_t nmemb, struct shipping *shipping)
{
size_t realsize = size * nmemb;
#if defined DEBUG || defined LOG_PATH
contents[realsize] = '\0';
time_t now = time(NULL);
#ifdef LOG_PATH
FILE *log = fopen(LOG_PATH, "a");
fprintf(log, "%s%s\n", ctime(&now), contents);
fclose(log);
#else
printf("%s%s\n", ctime(&now), contents);
#endif
#endif
json_tokener *tokener = shipping->tokener;
json_object *response = json_tokener_parse_ex(tokener, contents, realsize);
enum json_tokener_error error = json_tokener_get_error(tokener);
if (!response) {
if (error == json_tokener_continue)
return realsize;
else {
json_tokener_reset(tokener);
return realsize;
}
} else if (!json_object_is_type(response, json_type_object) || error != json_tokener_success)
return realsize;
struct json_object *status = NULL;
recurse(response, shipping->status_trail, &status);
if (json_object_get_int(status) != 200) {
shipping->data = NULL;
return realsize;
}
switch (shipping->mode) {
case SERVICES:
;
struct json_object *array = NULL;
recurse(response, shipping->trail, &array);
size_t length = json_object_array_length(array);
struct pikul_service **services = malloc(sizeof(struct pikul_service *)
* (length + 1));
const char **attributes = (const char **)shipping->data;
enum { CODE, NAME, ETD, COST };
for (size_t i = 0; i < length; i++) {
services[i] = malloc(sizeof(struct pikul_service));
struct pikul_service *service = services[i];
json_object *object = json_object_array_get_idx(array, 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 *name = json_object_iter_peek_name(&iterator);
json_object *value = json_object_iter_peek_value(&iterator);
if (!strcmp(name, attributes[COST]))
service->cost = json_object_get_double(value);
else {
int len = json_object_get_string_len(value);
if (len) {
char *string = malloc(len + 1);
strcpy(string, json_object_get_string(value));
if (!strcmp(name, attributes[CODE]))
service->code = string;
else if (!strcmp(name, attributes[NAME]))
service->name = string;
else if (!strcmp(name, attributes[ETD]))
service->etd = string;
}
}
json_object_iter_next(&iterator);
}
}
services[length] = NULL;
shipping->data = services;
break;
case ORDER:
;
struct json_object *string = NULL;
recurse(response, shipping->trail, &string);
shipping->data = malloc(json_object_get_string_len(string) + 1);
strcpy(shipping->data, json_object_get_string(string));
break;
default:
break;
}
return realsize;
}
void pikul_init(enum pikul_company company, char *provisions[])
{
curl_global_init(CURL_GLOBAL_DEFAULT);
struct shipping *shipping = malloc(sizeof(struct shipping));
CURL *curl = curl_easy_init();
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, handle);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, shipping);
#ifdef DEBUG
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
#endif
shipping->headers = NULL;
const char **fields;
shipping_list[company] = shipping;
switch (company) {
case PIKUL_ANTERAJA:
fields = anteraja_init(provisions);
break;
default:
break;
}
while (*fields) {
char header[strlen(*fields) + strlen(":") + strlen(*provisions) + 1];
sprintf(header, "%s:%s", *fields++, *provisions++);
shipping->headers = curl_slist_append(shipping->headers, header);
}
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, shipping->headers);
shipping->handle = curl;
shipping->tokener = json_tokener_new();
}
struct pikul_service **pikul_services(enum pikul_company company,
const char *origin, const char *destination, double weight)
{
struct shipping *shipping = shipping_list[company];
shipping->post = NULL;
switch (company) {
case PIKUL_ANTERAJA:
shipping->data = anteraja_services(origin, destination, weight);
break;
default:
break;
}
CURL *curl = shipping->handle;
curl_easy_setopt(curl, CURLOPT_URL, shipping->url);
if (shipping->post) {
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, shipping->post);
#ifdef DEBUG
fprintf(stderr, "POST: %s\n", shipping->post);
#endif
}
shipping->mode = SERVICES;
curl_easy_perform(curl);
if (shipping->post)
free(shipping->post);
free(shipping->url);
return (struct pikul_service **)shipping->data;
}
static inline void free_service(struct pikul_service *service)
{
if (service->etd)
free(service->etd);
if (service->name)
free(service->name);
free(service->code);
free(service);
}
void pikul_free_services(struct pikul_service **services)
{
size_t i = 0;
while (services[i])
free_service(services[i++]);
free(services);
}
static int servicecmp(const void *service1, const void *service2)
{
return strcmp((*(struct pikul_service * const *)service1)->code,
(*(struct pikul_service * const *)service2)->code);
}
char *pikul_html(char *origins[], char *destinations[], double weight,
const char *widget, const char *extra, const char *name, const char *value,
char *code_prefixes[], char *name_prefixes[])
{
char *html;
struct pikul_service **services[PIKUL_END];
bool no_service = true;
for (enum pikul_company company = PIKUL; company < PIKUL_END; company++) {
if (!shipping_list[company]) {
services[company] = NULL;
continue;
}
services[company] = pikul_services(company,
origins[company], destinations[company], weight);
if (services[company] && services[company][0])
no_service = false;
}
if (!strcmp(widget, "select")) {
char *options = NULL;
if (no_service) {
static const char *empty = "<option value=\"\">Not enough information</option>";
options = malloc(strlen(empty) + 1);
strcpy(options, empty);
} else
for (enum pikul_company company = PIKUL; company < PIKUL_END; company++) {
if (!services[company])
continue;
if (!services[company][0]) {
free(services[company]);
continue;
}
size_t i = 0;
struct pikul_service *service;
while ((service = services[company][i++])) {
char *code_prefix = code_prefixes[company];
char *name_prefix = name_prefixes[company];
size_t code_length = strlen(code_prefix) + strlen(service->code);
char code[code_length + 1];
sprintf(code, "%s%s", code_prefix, service->code);
_Bool selected = !strcmp(code, value);
size_t length = strlen(OPTION) + code_length
+ (selected ? strlen(" selected") : 0)
+ strlen(name_prefix) + strlen(service->name)
- OPTION_NUM_PARAMS * strlen("%s");
char option[length + 1];
sprintf(option, OPTION, code, selected ? " selected" : "",
name_prefix, service->name);
if (options)
options = realloc(options, strlen(options) + length + 1);
else {
options = malloc(length + 1);
memset(options, '\0', strlen(options));
}
strcat(options, option);
}
pikul_free_services(services[company]);
}
html = malloc(strlen(SELECT) + strlen(name) + (extra ? strlen(extra) : 0) + strlen(options)
- SELECT_NUM_PARAMS * strlen("%s") + 1);
sprintf(html, SELECT, name, extra ? extra : "", options);
}
return html;
}
static const size_t delivery_date_len = 25;
static inline void get_delivery_date(struct tm *tp, long diff,
char *delivery_date)
{
if (diff)
tp->tm_mday += diff;
else
tp->tm_hour += 8;
mktime(tp);
strftime(delivery_date, delivery_date_len, "%Y-%m-%d %H:%M:%S +0700",
tp);
delivery_date[delivery_date_len] = '\0';
if (diff)
tp->tm_mday -= diff;
else
tp->tm_hour -= 8;
}
static inline long crop_limit(size_t len, char *offset)
{
char str[len + 1];
strncpy(str, offset, len);
str[len] = '\0';
return strtol(str, NULL, 10);
}
char *pikul_shopify(char *origins[], char *destinations[], long grams)
{
struct pikul_service **services[PIKUL_END];
for (enum pikul_company company = PIKUL; company < PIKUL_END;
company++) {
if (!shipping_list[company]) {
services[company] = NULL;
continue;
}
services[company] = pikul_services(company, origins[company],
destinations[company], (double)grams / 1000.0);
}
static const char *prefix = "{\"rates\":[";
const size_t prefix_len = strlen(prefix);
char *json = malloc(prefix_len + 1);
strcpy(json, prefix);
static const char *tmpl =
"{"
"\"service_name\":\"%s\","
"\"service_code\":\"%s%s\","
"\"total_price\":%d,"
"\"description\":\"%s\","
"\"currency\":\"%s\","
"\"min_delivery_date\":\"%s\","
"\"max_delivery_date\":\"%s\""
"},";
const size_t tmpl_len = strlen(tmpl) - strlen("%s") * 7 - strlen("%d");
size_t infix_len = 0;
for (enum pikul_company company = PIKUL; company < PIKUL_END;
company++) {
if (!services[company])
continue;
if (!services[company][0]) {
free(services[company]);
continue;
}
size_t i = 0;
struct pikul_service *service;
while ((service = services[company][i])) {
const char *code_prefix;
size_t cost_len = 2;
const char *currency;
char min_delivery_date[delivery_date_len + 1];
char max_delivery_date[delivery_date_len + 1];
switch (company) {
case PIKUL_ANTERAJA:
code_prefix = "anteraja_";
cost_len += strlen("45000");
currency = "IDR";
long min, max;
{
size_t range_len
= strlen(service->etd)
- strlen(" Day");
char range[range_len + 1];
strncpy(range, service->etd,
range_len);
range[range_len] = '\0';
static const char *dash = " - ";
if (strstr(range, dash)) {
const size_t min_len
= strcspn(range, dash);
min = crop_limit(
min_len,
range);
const size_t dash_len
= strlen(dash);
max = crop_limit(range_len
- dash_len
- min_len,
&range[min_len
+ dash_len]);
} else
min = max = strtol(range,
NULL, 10);
}
struct tm *tp = localtime(&(time_t)
{ time(NULL) });
get_delivery_date(tp, min,
min_delivery_date);
get_delivery_date(tp, max,
max_delivery_date);
break;
default:
code_prefix = "";
cost_len += strlen("0");
currency = "";
memset(min_delivery_date, '\0', sizeof
min_delivery_date);
memset(max_delivery_date, '\0', sizeof
min_delivery_date);
break;
}
size_t rate_len = tmpl_len + strlen(service->name) * 2
+ strlen(code_prefix) + strlen(service->code)
+ cost_len + strlen(currency)
+ delivery_date_len * 2;
char rate[rate_len + 1];
sprintf(rate, tmpl, service->name, code_prefix,
service->code, (int)service->cost * 100,
service->name, currency,
min_delivery_date, max_delivery_date);
const size_t json_len = strlen(json);
json = realloc(json, json_len + rate_len + 1);
strlcpy(&json[json_len], rate, rate_len + 1);
infix_len += rate_len - (i++ ? 0 : strlen(","));
}
pikul_free_services(services[company]);
}
const size_t json_len = prefix_len + infix_len;
static const char *suffix = "]}";
const size_t suffix_len = strlen(suffix);
json = realloc(json, json_len + suffix_len + 1);
strlcpy(&json[json_len], suffix, suffix_len + 1);
return json;
}
double pikul_cost(enum pikul_company company, const char *code,
const char *origin, const char *destination, double weight)
{
struct pikul_service **services = pikul_services(company, origin, destination, weight);
if (!services)
return .0;
if (!services[0]) {
free(services);
return .0;
}
size_t length = 0;
while (services[length])
length++;
qsort(services, length, sizeof(struct pikul_service *), servicecmp);
struct pikul_service *key_service = malloc(sizeof(struct pikul_service));
memset(key_service, '\0', sizeof(struct pikul_service));
key_service->code = malloc(strlen(code) + 1);
strcpy(key_service->code, code);
double cost = (*(struct pikul_service **)bsearch(&key_service, services,
length, sizeof(struct pikul_service *), servicecmp))->cost;
free_service(key_service);
pikul_free_services(services);
return cost;
}
char *pikul_order(enum pikul_company company, const char *order_number, const char *service,
const char *sender_name, const char *sender_phone, const char *origin,
const char *sender_address, const char *sender_postal,
const char *receiver_name, const char *receiver_phone, const char *destination,
const char *receiver_address, const char *receiver_postal,
int nitems, char **items[], double subtotal)
{
struct shipping *shipping = shipping_list[company];
shipping->post = NULL;
switch (company) {
case PIKUL_ANTERAJA:
anteraja_order(order_number, service, sender_name, sender_phone, origin,
sender_address, sender_postal, receiver_name, receiver_phone,
destination, receiver_address, receiver_postal, nitems, items,
subtotal);
break;
default:
break;
}
CURL *curl = shipping->handle;
curl_easy_setopt(curl, CURLOPT_URL, shipping->url);
if (shipping->post) {
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, shipping->post);
#ifdef DEBUG
fprintf(stderr, "POST: %s\n", shipping->post);
#endif
}
shipping->mode = ORDER;
curl_easy_perform(curl);
if (shipping->post)
free(shipping->post);
free(shipping->url);
return (char *)shipping->data;
}
void pikul_cleanup()
{
for (enum pikul_company company = PIKUL; company < PIKUL_END; company++) {
struct shipping *shipping = shipping_list[company];
if (!shipping)
continue;
switch (company) {
case PIKUL_ANTERAJA:
anteraja_cleanup();
break;
default:
break;
}
free(shipping->base);
json_tokener_free(shipping->tokener);
curl_slist_free_all(shipping->headers);
curl_easy_cleanup(shipping->handle);
free(shipping);
shipping_list[company] = NULL;
}
curl_global_cleanup();
}
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