Location.class.php

<?php
require_once("RESTObject.class.php");
require_once 'Measurement.class.php';

class Location extends RESTObject
{
	public $latitude = '';
	public $longitude = '';
	public $name = '';
	public $userid = '';
	public $rain = Array();
	public $mintemp = Array();

	function apiLink() {
		$useridString = empty($this->userid) ? "" : "/users/".$this->userid;
		$linkString = "https://".apiDB::$servername."/".apiDB::dirname().$useridString."/locations/" . $this->id ;
		return "<a href=\"".$linkString."\">".$this->name."</a>";
	}

	public function get_array_instance() {
		$array = Array();
		$array["latitude"] = $this->latitude;
		$array["longitude"] = $this->longitude;
		$array["name"] = $this->name;
		$array["userid"] = $this->userid;
		$array["id"] = $this->id;
		$array["rain"] = $this->rain;
		$array["mintemp"] = $this->mintemp;
		return $array;
	}

	public function get_array_all() {
		if (empty($this->userid)) {
			//if ($this->access > 1) {
			//	return apiDB::getLocations();
			//} else {
				$user = apiDB::getUserByEmail( $_SERVER['PHP_AUTH_USER'] );
				return apiDB::getUserLocations($user->id);
			//}
		} else {
			return apiDB::getUserLocations($this->userid);
		}
	}

	public function put_array($array) {
		if ($this->access < 1) {
			return "Not authorized to make any updates : guest account";
        }

		$location = new Location();
		if (!empty($array["id"])) {
			$location = apiDB::getLocation($array["id"]);
			if (empty($location->id)) {
				return "Location with id $location->id not found for PUT update";
			} 
		} // otherwise we'll just add a new location
		
		$location->name = empty($array["name"]) ? $location->name : $array["name"];
		$location->latitude = empty($array["latitude"]) ? $location->latitude : $array["latitude"];
		$location->longitude = empty($array["longitude"]) ? $location->longitude : $array["longitude"];
		$location->userid = empty($array["userid"]) ? $location->userid : $array["userid"];
			
		$user = apiDB::getUser($location->userid);
		if (($_SERVER['PHP_AUTH_USER'] != $user->email) && ($this->access <= 1)) {
			return "Not authorized to update location for User ".$location->userid;
		}
		if (empty($location->id)) {
			return apiDB::addLocation($location);
		} else {
			return apiDB::updateLocation($location->id, $location);
		}
	}
	
	public function post_array($array, &$message) {
		$location = new Location();
		
		$location->name = $array["name"];
		$location->latitude = $array["latitude"];
		$location->longitude = $array["longitude"];
		$location->userid = $array["userid"];

		if (empty($location->userid)) {  // add to logged in user by default
			$user = apiDB::getUserByEmail($_SERVER['PHP_AUTH_USER']);
			$location->userid = $user->id;
		} else {  // check permission ...
			$user = apiDB::getUser($location->userid);
			if (($_SERVER['PHP_AUTH_USER'] != $user->email) && ($this->access <= 1)) {
				$message = "Not authorized to update location for User ".$location->userid;
				return 401;
			}
		}
		if ($this->access < 1) {
			$message = "Not authorized to add any locations: guest or disabled account";
			return 401;
		}
		return apiDB::addLocation($location, $message);
	}
	
	public function delete_array($array) {
		if (!empty($array["id"])) {
			$user = apiDB::getUserByLocationId($array["id"]);
			if (($_SERVER['PHP_AUTH_USER'] != $user->email) && ($this->access <= 1)) {
				return "Not authorized to delete location for User ".$user->id;
			}
			return apiDB::deleteLocation($array["id"]);
		} 
		return "ERROR: No location ID specified for deletion";
	}	
	
	public function getInstanceDetails($id) {
		$location = empty($this->userid) ? apiDB::getLocation($id) : apiDB::getUserLocation($id, $this->userid);

		if (empty($location->id)) {
			return self::NO_SUCH_ID;
		}
		$user = apiDB::getUser($location->userid);
		if (($_SERVER['PHP_AUTH_USER'] != $user->email) && ($this->access <= 1)) {
			return self::ACCESS_DENIED;
		}
		$this->latitude = $location->latitude;
		$this->longitude = $location->longitude;
		$this->name = $location->name;
		$this->userid = $location->userid;
		$this->id = $location->id;
		$this->rain = $location->rain;
		$this->mintemp = $location->mintemp;
		// 	Preserving $this->access however, to retain admin rights.
		return self::SETUP_OK;
	}
	
	/**
     * rainfall Endpoint
     */
     protected function rain() {
		if (empty($this->id)) {
			return $this->_response("Location id not set. Cannot run \"rainfall\" without a valid location id.", 404);	
		}
		$rain = new Rain();
		$rain->setupClass($this->args, $this->access, $this->extension);
		$rain->userid = $this->userid;
		$rain->locationid = $this->id;
		return $rain->process();
	 }

	/**
     * mintemp Endpoint
     */
     protected function mintemp() {
		if (empty($this->id)) {
			return $this->_response("Location id not set. Cannot run \"mintemp\" without a valid location id.", 404);	
		}
		$mintemp = new MinTemp();
		$mintemp->setupClass($this->args, $this->access, $this->extension);
		$mintemp->userid = $this->userid;
		$mintemp->locationid = $this->id;
		return $mintemp->process();
	 }

     protected function latestdate() {
                if (empty($this->id)) {
                        return $this->_response("Location id not set. Cannot run \"latestdate\" without a valid location id.", 404);
                }
                return apiDB::getMaxMeasurementDate($this->id, get_class($this));
     }

     protected function graph() {
		$type = empty($_GET["type"]) ? "rain" : $_GET["type"];
		$period = empty($_GET["period"]) ? 30 : $_GET["period"];
		$graph = empty($_GET["graph"]) ? "bar" : $_GET["graph"];

		if (empty($this->id)) {
                        return $this->_response("Location id not set. Cannot run \"graph\" without a valid location id.", 404);
                }

		return $this->display(apiDB::graphData($type, $this->id, $period, $graph, 'Africa/Windhoek'));
     }

}

?>