src/mapquest/mapquest_place.c

   1 /*
   2  * Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include <stdio.h>
  18 #include <stdlib.h>
  19 #include <glib.h>
  20 #include <pthread.h>
  21 #include "mapquest_place.h"
  22 #include "mapquest_types.h"
  23 #include "mapquest_server_private.h"
  24 #include "mapquest_debug.h"
  25 #include "mapquest_queue.h"
  26 #include "mapquest_restcurl.h"
  27 #include "mapquest_util.h"
  28
  29 #define PLACES_URL      "https://open.mapquestapi.com/nominatim/v1/search.php?format=json"
  30
  31 int query_places(gchar *maps_key, gchar *search_str, mapquest_boundary_s *boundary, int num_res, gpointer user_data)
  32 {
  33         char url[1024];
  34         char tmpStr[512];
  35
  36         strcpy(url, PLACES_URL);
  37
  38         if (search_str != NULL) {
  39                 snprintf(tmpStr, sizeof(tmpStr), "&q=%s", search_str);
  40                 strncat(url, tmpStr, sizeof(url)-strlen(url)-1);
  41         }
  42
  43         if (boundary != NULL) {
  44                 if (boundary->type == MAPQUEST_BOUNDARY_RECT) {
  45                         snprintf(tmpStr, sizeof(tmpStr), "&viewbox=%f,%f,%f,%f", boundary->rect.top_left.longitude, boundary->rect.top_left.latitude, boundary->rect.bottom_right.longitude, boundary->rect.bottom_right.latitude);
  46
  47                         strncat(url, tmpStr, sizeof(url)-strlen(url)-1);
  48                 } else if (boundary->type == MAPQUEST_BOUNDARY_CIRCLE) {
  49                         coords_s *top_left = NULL, *bottom_right = NULL;
  50                         coords_s circle = boundary->circle.center;
  51                         gdouble radius = (boundary->circle.radius) * 0.001;
  52
  53                         /* Calculate the top left coordinate of bounding box. */
  54                         calculate_point(circle.latitude, circle.longitude, 315, radius, &top_left);
  55
  56                         /* Calculate the bottom right coordinate of bounding box. */
  57                         calculate_point(circle.latitude, circle.longitude, 135, radius, &bottom_right);
  58
  59                         if (top_left && bottom_right) {
  60                                 snprintf(tmpStr, sizeof(tmpStr), "&viewbox=%f,%f,%f,%f", top_left->longitude, top_left->latitude, bottom_right->longitude, bottom_right->latitude);
  61                                 strncat(url, tmpStr, sizeof(url)-strlen(url)-1);
  62                         }
  63
  64                         if (top_left) {
  65                                 g_free(top_left);
  66                                 top_left = NULL;
  67                         }
  68                         if (bottom_right) {
  69                                 g_free(bottom_right);
  70                                 bottom_right = NULL;
  71                         }
  72                 }
  73
  74                 strcat(url, "&bounded=1");
  75         }
  76
  77         strcat(url, "&addressdetails=1");
  78
  79         if (num_res > 0) {
  80                 snprintf(tmpStr, sizeof(tmpStr), "&limit=%d", num_res);
  81                 strcat(url, tmpStr);
  82         }
  83
  84         add_handle(url, REQ_TYPE_PLACES, user_data);
  85
  86         return 0;
  87 }