whichhood/functions.php at master · fkh/whichhood · GitHub

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<?php

function carto($query, $geojson) {

  // run any cartodb query

  include('api.php');

  $api_key = $cartoapi;

  $carto_root = 'http://fkh.cartodb.com/api/v2/sql?';

  if ($geojson == TRUE) {
    $format = "format=GeoJSON&";
  }

  $sql_query = urlencode($query);

  $carto_url = $carto_root . $format . "q=" . $sql_query . "&api_key=" . $api_key ;

  // doing the curl...
  $ch = curl_init();

  curl_setopt($ch, CURLOPT_URL, $carto_url);
  curl_setopt($ch, CURLOPT_HEADER, FALSE);
  curl_setopt($ch, CURLOPT_VERBOSE, FALSE);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);

  $carto_result = curl_exec($ch);

  // close cURL resource, and free up system resources
  curl_close($ch);

  return $carto_result;

}

// get the random point to seed the map, called by point.php
function getRandomPoint() {

  //prevent query caching by fetching a random point
  $cartodbid = rand(1,23821);
  $get_random_point = "SELECT * FROM bkblocks WHERE cartodb_id = {$cartodbid} limit 1";
  $result = carto($get_random_point, TRUE);
	return $result;

}

// get a bounded point. $bounds is a bbox string.
function getRandomBoundedPoint($bounds) {

  $timestamp = time();

  $get_random_point = "SELECT *,'{$timestamp}' FROM bkblocks WHERE bkblocks.the_geom && ST_MakeEnvelope({$bounds}, 4326) order by random() limit 1";

  $result = carto($get_random_point, TRUE);

	return $result;

}


// construct a url to insert a point into the db

function addNeighborhoodName($name, $block) {

  $timestamp = time();

  $sql = "INSERT INTO NAMES (neighborhood, block, timestamp) VALUES ('{$name}', {$block}, {$timestamp})";

  carto($sql, FALSE);

}


function countNames() {

	$db = dbConnect();

	$rs = $db->Execute('select count(*) as "count" from names;');

	while ($row = $rs->FetchNextObject()) {
		$count = $row->COUNT;
	}

	$totalCount = array(names => $count);

	return $totalCount;
}

//returns a list of neighborhood names, where more than one marker has been named.
function getNeighborhoods() {

	$sql = 'select count(*) as "Number", names.neighborhood from names group by names.neighborhood having count(*) > 1 order by names.neighborhood ASC';

	$names = carto($sql, FALSE);

	return $names;

	//SELECT bkblocks.the_geom_webmercator, names.neighborhood FROM bkblocks, names where bkblocks.ID = names.block and names.neighborhood like '%Park Slope%'

}


function getMarkers($focus) {
	//return all the markers for a particular place name;


	$db = dbConnect();


	$sql = "SELECT * FROM \"blocks\", \"names\" where \"blocks\".\"ID\" = \"names\".\"block\" and \"names\".\"neighborhood\" = '\\'" . $focus . "\\'';";

	$rs = $db->Execute($sql);

	$markers = array();

	while ($row = $rs->FetchNextObject()) {

		$location = array("x" => $row->X, "y" => $row->Y);
		array_push($markers, $location);

	}

	return $markers;
}


function stats(){
	//count total number of nabes and total blocks...


}


?>