public function execute()
{
parent::execute();
// Make sure all required parameters are used
$required_parameters = array('id');
foreach ($required_parameters as $parameter) {
if (!array_key_exists($parameter, $_GET)) {
echo json_encode(array('error' => 'Missing parameter: \'' . $parameter . '\''));
exit;
}
}
// Initialize database
try {
$m = new \MongoClient('mongodb://' . MONGODB_USERNAME . ':' . MONGODB_PASSWORD . '@' . MONGODB_HOST . '/' . MONGODB_DATABASE);
$db = $m->selectDB(MONGODB_DATABASE);
} catch (MongoConnectionException $e) {
echo json_encode(array('error' => 'Database connection failed, please try again later'));
exit;
}
// Query database
$result = $db->interactions->findOne(array('_id' => new MongoId($_GET['id'])));
// Output JSON data
if (is_null($result)) {
echo json_encode(array('error' => 'Message doesn\'t exist'));
} else {
echo json_encode($result);
}
}
public function execute()
{
parent::execute();
$time = time();
$output = array('current_time' => array('unix' => $time, 'iso' => date('Y-m-d H:i:s', $time)));
echo json_encode($output);
}
public function execute()
{
parent::execute();
// Make sure all required parameters are used
$required_parameters = array('sources', 'after', 'filters');
foreach ($required_parameters as $parameter) {
if (!array_key_exists($parameter, $_GET)) {
echo json_encode(array('error' => 'Missing parameter: \'' . $parameter . '\''));
exit;
}
}
// Initialize database
try {
$m = new \MongoClient('mongodb://' . MONGODB_USERNAME . ':' . MONGODB_PASSWORD . '@' . MONGODB_HOST . '/' . MONGODB_DATABASE);
$db = $m->selectDB(MONGODB_DATABASE);
} catch (MongoConnectionException $e) {
echo json_encode(array('error' => 'Database connection failed, please try again later'));
exit;
}
// Sources
$sources = $_GET['sources'];
if ($sources == 'all') {
$sources = 'twitter,facebook,googleplus';
}
$sources = explode(',', $sources);
$sources_exist = array();
foreach ($sources as $source) {
$sources_exist[] = array('interaction.type' => $source);
}
// Filters
$filters = explode(',', $_GET['filters']);
foreach ($filters as &$filter) {
$filter = (int) $filter;
}
$query = array('internal.filter_id' => array('$in' => $filters));
// Time
$after = $_GET['after'];
if (!is_numeric($after)) {
$after = strtotime($after);
}
$after = new MongoDate($after);
if (isset($_GET['before'])) {
$before = $_GET['before'];
if (!is_numeric($before)) {
$before = strtotime($before);
}
$before = new MongoDate($before);
$query['interaction.created_at'] = array('$gt' => $after, '$lt' => $before);
} else {
$query['interaction.created_at'] = array('$gt' => $after);
}
// Apply subfilter
if (array_key_exists('subfilter', $_GET) && !empty($_GET['subfilter'])) {
$parser = new Parser();
$result = $parser->parse($_GET['subfilter']);
$subfilterQuery = $this->buildSubfilterQuery($result);
$query['$and'] = array($subfilterQuery, array('$or' => $sources_exist));
} else {
$query['$or'] = $sources_exist;
}
// Geo near
if (array_key_exists('near', $_GET) && array_key_exists('distance', $_GET) && is_numeric($_GET['distance'])) {
$near = explode(',', $_GET['near']);
if (count($near) != 2) {
echo json_encode(array('error' => '\'near\' location is invalid'));
exit;
}
// Build geoNear command with the existing query
$command = array('geoNear' => 'interactions', 'near' => array((double) $near[0], (double) $near[1]), 'spherical' => true, 'maxDistance' => $_GET['distance'] / $this->earthRadius, 'query' => $query, 'limit' => 500);
// Run command and change output to be the same as usual MongoDB queries
$results = $db->command($command);
$results = $results['results'];
foreach ($results as &$result) {
$dis = $result['dis'];
// Save distance
$result = $result['obj'];
// Set result to be the exact object
$result['internal']['dis'] = $dis * $this->earthRadius;
// Store the distance in miles inside the internal part of the output
}
} else {
if (array_key_exists('near', $_GET) && array_key_exists('distance', $_GET)) {
parse_str($_GET['distance'], $location);
if (array_key_exists('county', $location) && array_key_exists('state', $location)) {
$query['internal.location.county'] = $location['county'];
$query['internal.location.state'] = $location['state'];
} elseif (array_key_exists('state', $location)) {
$query['internal.location.state'] = $location['state'];
}
}
$results = $db->interactions->find($query)->sort(array('interaction.created_at' => 1))->limit(500);
// Hard limit to 500 entries at the time
}
// Output JSON data
echo '[';
$i = 0;
// Results returned via command is an array instead of a MongoCursor object and thus needs to use count(...) instead
if (is_object($results)) {
$results = iterator_to_array($results);
}
$resultsCount = count($results);
foreach ($results as $result) {
$this->convertDates($result);
echo json_encode($result);
// The last item should not be appended by a comma
if ($i < $resultsCount - 1) {
echo ', ';
}
$i++;
}
echo ']';
}