add cordinatesquerries

geoapi/api/SpsApi.php

@@ -29,12 +29,47 @@ class SpsApi extends Api {
     }
 
     /**
-     * Method stert a sps-query
+     * Method start a sps-query(alias)
      * @param array $queryArgs
      * @return array[num] [assoc]
      */
-    public function sendSpsQuery($queryArgs = array()) {
-        return $this->sqlManager->sendSpsQuery($queryArgs);
+    public function sendSpsAliasQuery($queryArgs = array()) {
+
+        return $this->sqlManager->sendSpsAliasQuery($queryArgs);
+    }
+
+    private $range = 1;
+
+    public function sendSpsCoordinateQuery($queryArgs = array()) {
+        if (!array_key_exists("longitude", $queryArgs) || !array_key_exists("latitude", $queryArgs)) {
+            return null;
+        }
+        $latitude = $queryArgs["latitude"];
+        $longitude = $queryArgs["longitude"];
+
+        if (!$this->validLatitude($latitude) || !$this->validLongitude($longitude)) {
+            return null;
+        }
+
+        $queryArgs["poly"] = $this->createPolygon($latitude, $longitude, $this->range);
+        return $this->sqlManager->sendSpsCoordinateQuery($queryArgs);
+    }
+
+    private function validLongitude($string) {
+
+        return ctype_digit(str_replace(".", "", $string));
+    }
+
+    private function validLatitude($string) {
+        return ctype_digit(str_replace(".", "", $string));
+    }
+
+    private function createPolygon($latitude, $longitude, $range) {
+        $minLat = $latitude - $range;
+        $minLong = $longitude - $range;
+        $maxLat = $latitude + $range;
+        $maxLong = $longitude + $range;
+        return "GeomFromText('Polygon(($minLat $minLong,$minLat $maxLong,$maxLat $maxLong,$maxLat $minLong,$minLat $minLong))'";
     }
 
 }