public static function show(Inputter $inputter, JSONOutputter $outputter)
{
// Show
//
$id = $inputter->additional_uri_arguments[0];
$error = null;
UniversallyUniqueIdentifier::propertyIsValid('rawIdentifier', $id, $error);
if (isset($error)) {
$outputter->print_error($error);
}
// User ID
//
$client = new Everyman\Neo4j\Client('events.sb04.stations.graphenedb.com', 24789);
$client->getTransport()->setAuth('Events', '3TP9LHROhv8LIcGmbYzq');
$query_string = 'MATCH (object:Album)
WHERE object.' . UNIVERSALLY_UNIQUE_OBJECT_KEY_IDENTIFICATION . ' = \'' . $id . '\'
RETURN object';
$query = new Everyman\Neo4j\Cypher\Query($client, $query_string);
$result = $query->getResultSet();
if (count($result) > 0) {
// Compare sent data is equal to data retrieved
//
$object = $result[0]['object'];
// Print data
//
$outputter->print_data(array(Album::printer_dictionary($object)));
} else {
// Throw error, user doesn't exists
//
$error = Error::withDomain(PRIVATE_EVENTS_REST_CONTROLLER_ERROR_DOMAIN, PRIVATE_EVENTS_REST_CONTROLLER_ERROR_CODE_ENTITY_DOES_NOT_EXIST, 'Album with ID does not exist.');
$outputter->print_error($error);
}
}
public static function search_list(Inputter $inputter, JSONOutputter $outputter)
{
// Search string
//
$search_string = $inputter->additional_uri_arguments[0];
$user_error = null;
if (!is_string($search_string)) {
// Throw error, search string is not a string
//
$error = Error::withDomain(PRIVATE_EVENTS_REST_CONTROLLER_ERROR_DOMAIN, PRIVATE_EVENTS_REST_CONTROLLER_ERROR_CODE_INPUT_UNCONFORMING, 'Search string is not a string.');
$outputter->print_error($error);
}
// Query
//
$client = new Everyman\Neo4j\Client('events.sb04.stations.graphenedb.com', 24789);
$client->getTransport()->setAuth('Events', '3TP9LHROhv8LIcGmbYzq');
// Users
//
$query_string_search_users = 'MATCH (foundUser:CreatingUser) ' . 'WHERE (foundUser.' . CREATINGUSER_KEY_FIRST_NAME . ' + " " + foundUser.' . CREATINGUSER_KEY_SURNAME . ') =~ "(?i)' . $search_string . '.*" OR foundUser.' . CREATINGUSER_KEY_NAME . ' =~ "(?i)' . $search_string . '.*" OR foundUser.' . USER_KEY_EMAIL . ' =~ "(?i)' . $search_string . '" ' . 'RETURN foundUser';
$query_search_users = new Everyman\Neo4j\Cypher\Query($client, $query_string_search_users);
$result_search_users = $query_search_users->getResultSet();
// Events in scope
//
$query_string_search_events = 'MATCH (foundCreator:CreatingUser)-[:creator]-(foundEvent:Event)-[:type]-(foundEventType:EventType), (foundOccurrence:EventSpaceTimeOccurrence)-[:occurrence]-(foundEvent) ' . 'WHERE foundEvent.privacy = 1 AND ANY(label IN labels(foundEventType) WHERE label =~ "(?i).*' . $search_string . '.*") ' . 'RETURN foundEvent, foundEventType, foundCreator, collect(foundOccurrence) as foundEventOccurrences';
$query_search_events = new Everyman\Neo4j\Cypher\Query($client, $query_string_search_events);
$result_search_events = $query_search_events->getResultSet();
// Output
//
// Users
//
$print_users = array();
foreach ($result_search_users as $row) {
array_push($print_users, AttendingUser::printer_dictionary($row['foundUser']));
}
// Events in scope
//
$print_events = array();
foreach ($result_search_events as $row) {
$event_dictionary = array();
if ($event_dictionary != Event::printer_dictionary($row['foundEvent'])) {
$event_dictionary = Event::printer_dictionary($row['foundEvent']);
$event_dictionary[EVENT_RELATIONSHIP_NAME_TYPE] = EventType::printer_dictionary($row['foundEventType']);
$event_dictionary[EVENT_RELATIONSHIP_NAME_OCCURRENCE] = array();
}
foreach ($row['foundEventOccurrences'] as $occurrence) {
array_push($event_dictionary[EVENT_RELATIONSHIP_NAME_OCCURRENCE], EventSpaceTimeOccurrence::printer_dictionary($occurrence));
}
if ($event_dictionary != Event::printer_dictionary($row['foundEvent'])) {
array_push($print_events, $event_dictionary);
}
}
// Print data
//
$outputter->print_data(array(array("users" => $print_users, "events" => $print_events)));
}
public static function authenticate(Inputter $inputter, JSONOutputter $outputter)
{
// Authenticate
//
// 1) Test all data is available and valid
//
$required_dictionary = array(USER_KEY_EMAIL => '', USER_KEY_PASSWORD => '');
$inputter->validate_input($required_dictionary, null);
// Validate
//
// User
//
$user_error = null;
User::propertyIsValid(USER_KEY_EMAIL, $inputter->variables_array[USER_KEY_EMAIL], $user_error);
User::propertyIsValid(USER_KEY_PASSWORD, $inputter->variables_array[USER_KEY_PASSWORD], $user_error);
if (isset($user_error)) {
$outputter->print_error($user_error);
return;
}
// 2) Check email and password against data store
//
// Query string
//
$client = new Everyman\Neo4j\Client('events.sb04.stations.graphenedb.com', 24789);
$client->getTransport()->setAuth('Events', '3TP9LHROhv8LIcGmbYzq');
$query_string_authenticate_account = 'MATCH (user:User) ' . 'WHERE user.' . USER_KEY_EMAIL . ' = \'' . $inputter->variables_array[USER_KEY_EMAIL] . '\' ' . 'AND user.' . USER_KEY_PASSWORD . ' = \'' . $inputter->variables_array[USER_KEY_PASSWORD] . '\' ' . 'RETURN user';
$query_authenticate_account = new Everyman\Neo4j\Cypher\Query($client, $query_string_authenticate_account);
// Run query
//
$result_authenticate_account = $query_authenticate_account->getResultSet();
if ($result_authenticate_account->count() !== 1) {
$error = Error::withDomain(PRIVATE_EVENTS_REST_CONTROLLER_ERROR_DOMAIN, PRIVATE_EVENTS_REST_CONTROLLER_ERROR_CODE_ENTITY_DOES_NOT_EXIST, 'A user with that email and password does not exist.');
$outputter->print_error($error);
}
// 3) Output the response
//
$account_to_authenticate = $result_authenticate_account[0]['user'];
$outputter->print_data(array(AttendingUser::printer_dictionary($account_to_authenticate)));
}
public static function list_invited(Inputter $inputter, JSONOutputter $outputter)
{
// List Invited
//
// Constants
//
$invited_user_identification = 'invited_user_identification';
// Verify input
//
$required_keys = array($invited_user_identification => '');
$inputter->validate_input($required_keys, null);
// Validate input
//
$validate_error = null;
UniversallyUniqueIdentifier::propertyIsValid('rawIdentifier', $inputter->variables_array[$invited_user_identification], $validate_error);
if (isset($validate_error)) {
$outputter->print_error($validate_error);
}
// Events
//
$client = new Everyman\Neo4j\Client('events.sb04.stations.graphenedb.com', 24789);
$client->getTransport()->setAuth('Events', '3TP9LHROhv8LIcGmbYzq');
$query_string = 'MATCH (invitedUser:AttendingUser)-[:softInvitation]-(event:Event)-[:type]-(eventType:EventType) ' . 'WHERE invitedUser.' . UNIVERSALLY_UNIQUE_OBJECT_KEY_IDENTIFICATION . " = '" . $inputter->variables_array[$invited_user_identification] . "' " . 'RETURN invitedUser, event, eventType';
$query = new Everyman\Neo4j\Cypher\Query($client, $query_string);
$result = $query->getResultSet();
$creator = $result[0]['invitedUser'];
if (count($creator) > 0) {
// Compare sent data is equal to data retrieved
//
$events_printer_dictionaries = array();
foreach ($result as $value) {
$event_print = Event::printer_dictionary($value['event']);
$event_print[EVENT_RELATIONSHIP_NAME_TYPE] = EventType::printer_dictionary($value['eventType']);
$event_print[EVENT_RELATIONSHIP_NAME_CREATOR] = AttendingUser::printer_dictionary($value['invitedUser']);
array_push($events_printer_dictionaries, $event_print);
}
// Print data
//
$outputter->print_data($events_printer_dictionaries);
} else {
// Throw error, user doesn't exists
//
$error = Error::withDomain(PRIVATE_EVENTS_REST_CONTROLLER_ERROR_DOMAIN, PRIVATE_EVENTS_REST_CONTROLLER_ERROR_CODE_ENTITY_DOES_NOT_EXIST, 'No such user with identification ' . $invited_user_identification . '.');
$outputter->print_error($error);
}
}
public static function list_event(Inputter $inputter, JSONOutputter $outputter)
{
// List for event
//
// Verify input
//
$required_dictionary = array('event_identification' => '');
$inputter->validate_input($required_dictionary, null);
// Validate
//
$event_id = $inputter->variables_array['event_identification'];
$event_error = null;
UniversallyUniqueIdentifier::propertyIsValid('rawIdentifier', $event_id, $event_error);
if (isset($event_error)) {
$outputter->print_error($event_error);
}
// Event ID
//
$client = new Everyman\Neo4j\Client('events.sb04.stations.graphenedb.com', 24789);
$client->getTransport()->setAuth('Events', '3TP9LHROhv8LIcGmbYzq');
$query_string = 'MATCH (occurrence:EventSpaceTimeOccurrence)-[:event]-(event:Event), (occurrence)-[:location]-(location:Location), (occurrence)-[:confined_date]-(confinedDate:ConfinedDate), (occurrence)-[:attendees_range]-(attendeesRange:Range) ' . 'WHERE event.' . UNIVERSALLY_UNIQUE_OBJECT_KEY_IDENTIFICATION . " = '" . $event_id . "' " . 'RETURN occurrence, location, confinedDate, attendeesRange';
$query = new Everyman\Neo4j\Cypher\Query($client, $query_string);
$result = $query->getResultSet();
if (count($result) > 0) {
$event_occurrence_prints = array();
foreach ($result as $row) {
$event_occurrence_print = EventSpaceTimeOccurrence::printer_dictionary($row['occurrence']);
$event_occurrence_print[SPACE_TIME_OCCURRENCE_RELATIONSHIP_NAME_LOCATION] = Location::printer_dictionary($row['location']);
$event_occurrence_print[SPACE_TIME_OCCURRENCE_RELATIONSHIP_NAME_CONFINED_DATE] = ConfinedDate::printer_dictionary($row['confinedDate']);
$event_occurrence_print[EVENT_SPACE_TIME_OCCURRENCE_RELATIONSHIP_NAME_RANGE] = Range::printer_dictionary($row['attendeesRange']);
array_push($event_occurrence_prints, $event_occurrence_print);
}
// Print data
//
$outputter->print_data($event_occurrence_prints);
} else {
// Throw error, user doesn't exists
//
$error = Error::withDomain(PRIVATE_EVENTS_REST_CONTROLLER_ERROR_DOMAIN, PRIVATE_EVENTS_REST_CONTROLLER_ERROR_CODE_ENTITY_DOES_NOT_EXIST, 'No Event Occurrences for Event with identification ' . $event_id . ' does not exist.');
$outputter->print_error($error);
}
}
public static function destroy(Inputter $inputter, JSONOutputter $outputter)
{
// Create
//
// 1) Test all data is available and valid
//
// Availability
//
$required_dictionary = array('user_identification' => '', 'user_to_unfollow_identification' => '');
$inputter->validate_input($required_dictionary, null);
// Valid
//
// Identifiers
//
$validation_error = null;
UniversallyUniqueObject::propertyIsValid(UNIVERSALLY_UNIQUE_OBJECT_KEY_IDENTIFICATION, $inputter->variables_array['user_identification'], $validation_error);
UniversallyUniqueObject::propertyIsValid(UNIVERSALLY_UNIQUE_OBJECT_KEY_IDENTIFICATION, $inputter->variables_array['user_to_unfollow_identification'], $validation_error);
if (isset($validation_error)) {
$outputter->print_error($validation_error);
}
// Different
//
if ($inputter->variables_array['user_identification'] === $inputter->variables_array['user_to_unfollow_identification']) {
$outputter->print_error(Error::withDomain(PRIVATE_EVENTS_REST_CONTROLLER_ERROR_DOMAIN, PRIVATE_EVENTS_REST_CONTROLLER_ERROR_CODE_INPUT_NOT_UNIQUE, 'Users cannot unfollow themselves.'));
}
// 2) Check request we want to process CAN go ahead
//
// Identification should exist
//
$client = new Everyman\Neo4j\Client('events.sb04.stations.graphenedb.com', 24789);
$client->getTransport()->setAuth('Events', '3TP9LHROhv8LIcGmbYzq');
$query_string_check_object = 'MATCH (object:AttendingUser) ' . 'WHERE object.' . UNIVERSALLY_UNIQUE_OBJECT_KEY_IDENTIFICATION . " = '" . $inputter->variables_array['user_identification'] . "' " . 'RETURN object';
$query_check_object = new Everyman\Neo4j\Cypher\Query($client, $query_string_check_object);
$result_check_object = $query_check_object->getResultSet();
if (!isset($result_check_object[0]['object'])) {
// No user exists
//
$outputter->print_error(Error::withDomain(PRIVATE_EVENTS_REST_CONTROLLER_ERROR_DOMAIN, PRIVATE_EVENTS_REST_CONTROLLER_ERROR_CODE_ENTITY_DOES_NOT_EXIST, 'user_identification should be an existing user identification.'));
}
$client = new Everyman\Neo4j\Client('events.sb04.stations.graphenedb.com', 24789);
$client->getTransport()->setAuth('Events', '3TP9LHROhv8LIcGmbYzq');
$query_string_check_object = 'MATCH (object:CreatingUser) ' . 'WHERE object.' . UNIVERSALLY_UNIQUE_OBJECT_KEY_IDENTIFICATION . " = '" . $inputter->variables_array['user_to_unfollow_identification'] . "' " . 'RETURN object';
$query_check_object = new Everyman\Neo4j\Cypher\Query($client, $query_string_check_object);
$result_check_object = $query_check_object->getResultSet();
if (!isset($result_check_object[0]['object'])) {
// No user_to_follow_identification exists
//
$outputter->print_error(Error::withDomain(PRIVATE_EVENTS_REST_CONTROLLER_ERROR_DOMAIN, PRIVATE_EVENTS_REST_CONTROLLER_ERROR_CODE_ENTITY_DOES_NOT_EXIST, 'user_to_unfollow_identification should be an existing user identification.'));
}
// Connection might exist
//
$client = new Everyman\Neo4j\Client('events.sb04.stations.graphenedb.com', 24789);
$client->getTransport()->setAuth('Events', '3TP9LHROhv8LIcGmbYzq');
$query_string_check_connection = 'OPTIONAL MATCH (user:AttendingUser)-[following:' . ATTENDINGUSER_RELATIONSHIP_NAME_FOLLOW . ']->(user_to_unfollow:CreatingUser)-[follower: ' . CREATINGUSER_RELATIONSHIP_NAME_FOLLOWER . ']->(user) ' . 'WHERE user.' . UNIVERSALLY_UNIQUE_OBJECT_KEY_IDENTIFICATION . " = '" . $inputter->variables_array['user_identification'] . "' AND user_to_unfollow." . UNIVERSALLY_UNIQUE_OBJECT_KEY_IDENTIFICATION . " = '" . $inputter->variables_array['user_to_unfollow_identification'] . "' " . 'RETURN following, follower';
$query_check_connection = new Everyman\Neo4j\Cypher\Query($client, $query_string_check_connection);
$result_check_connection = $query_check_connection->getResultSet();
if (!isset($result_check_connection[0]['following']) || !isset($result_check_connection[0]['follower'])) {
// At least one object exists
//
$outputter->print_error(Error::withDomain(PRIVATE_EVENTS_REST_CONTROLLER_ERROR_DOMAIN, PRIVATE_EVENTS_REST_CONTROLLER_ERROR_CODE_RELATIONSHIP_EXISTS, 'Connection does not exist between users.'));
}
// 3) We've got the go ahead to process the request as it's intended - destroy the follow connection
//
// Get objects
//
$client = new Everyman\Neo4j\Client('events.sb04.stations.graphenedb.com', 24789);
$client->getTransport()->setAuth('Events', '3TP9LHROhv8LIcGmbYzq');
$query_string_users = 'MATCH (user:AttendingUser)-[following:' . ATTENDINGUSER_RELATIONSHIP_NAME_FOLLOW . ']->(user_to_unfollow:CreatingUser)-[follower:' . CREATINGUSER_RELATIONSHIP_NAME_FOLLOWER . ']->(user) ' . 'WHERE user.' . UNIVERSALLY_UNIQUE_OBJECT_KEY_IDENTIFICATION . " = '" . $inputter->variables_array['user_identification'] . "' AND user_to_unfollow." . UNIVERSALLY_UNIQUE_OBJECT_KEY_IDENTIFICATION . " = '" . $inputter->variables_array['user_to_unfollow_identification'] . "' " . 'RETURN user, user_to_unfollow, following, follower';
$query_users = new Everyman\Neo4j\Cypher\Query($client, $query_string_users);
$result_users = $query_users->getResultSet();
$user = $result_users[0]['user'];
$user_to_unfollow = $result_users[0]['user_to_unfollow'];
$following_relationship = $result_users[0]['following'];
$follower_relationship = $result_users[0]['follower'];
// Remove relationships
//
$following_relationship->delete();
$follower_relationship->delete();
// 4) Output results
//
// Print data
//
$outputter->print_data(array(array("user" => AttendingUser::printer_dictionary($user), "user_to_unfollow" => CreatingUser::printer_dictionary($user_to_unfollow))));
}
public static function create(Inputter $inputter, JSONOutputter $outputter)
{
// Create
//
// 1) Test all data is available and valid
//
// Availability
//
$required_keys = array(LOCATION_KEY_COORDINATE_LATITUDE => '', LOCATION_KEY_COORDINATE_LONGITUDE => '');
$optional_dictionary = array(UNIVERSALLY_UNIQUE_OBJECT_KEY_IDENTIFICATION => uniqid(), UNIVERSALLY_UNIQUE_OBJECT_KEY_DATE_CREATED => date('c'), UNIVERSALLY_UNIQUE_OBJECT_KEY_DATE_UPDATED => date('c'));
// Validate input
//
$inputter->validate_input($required_keys, $optional_dictionary);
// Valid
//
$creation_error = null;
// Location
//
Location::isValid($inputter->variables_array, false, $creation_error);
// Print error
//
if (isset($creation_error)) {
$outputter->print_error($creation_error);
return;
}
// 2) Check request we want to process CAN go ahead
//
// Location identification must not exist
//
$client = new Everyman\Neo4j\Client('events.sb04.stations.graphenedb.com', 24789);
$client->getTransport()->setAuth('Events', '3TP9LHROhv8LIcGmbYzq');
$query_string_check_location = "MATCH (uniqueObject:UniversallyUniqueObject) " . "WHERE uniqueObject." . UNIVERSALLY_UNIQUE_OBJECT_KEY_IDENTIFICATION . " = '" . $inputter->variables_array[UNIVERSALLY_UNIQUE_OBJECT_KEY_IDENTIFICATION] . "' " . "RETURN uniqueObject";
$query_check_location = new Everyman\Neo4j\Cypher\Query($client, $query_string_check_location);
$result_check_location = $query_check_location->getResultSet();
if ($result_check_location->count() > 0) {
// Location identification exists
//
$identification_exists = Error::withDomain(PRIVATE_EVENTS_REST_CONTROLLER_ERROR_DOMAIN, PRIVATE_EVENTS_REST_CONTROLLER_ERROR_CODE_ENTITY_EXISTS, 'Identifier is not unique.');
$outputter->print_error($identification_exists);
}
// 3) We've got the go ahead to process the request as it's intended - create a new user in the data store
//
// Location
//
$location_to_create = $client->makeNode();
$location_to_create->setProperty(UNIVERSALLY_UNIQUE_OBJECT_KEY_IDENTIFICATION, $inputter->variables_array[UNIVERSALLY_UNIQUE_OBJECT_KEY_IDENTIFICATION]);
$location_to_create->setProperty(UNIVERSALLY_UNIQUE_OBJECT_KEY_DATE_CREATED, $inputter->variables_array[UNIVERSALLY_UNIQUE_OBJECT_KEY_DATE_CREATED]);
$location_to_create->setProperty(UNIVERSALLY_UNIQUE_OBJECT_KEY_DATE_UPDATED, $inputter->variables_array[UNIVERSALLY_UNIQUE_OBJECT_KEY_DATE_UPDATED]);
$location_to_create->setProperty(LOCATION_KEY_COORDINATE_LATITUDE, $inputter->variables_array[LOCATION_KEY_COORDINATE_LATITUDE]);
$location_to_create->setProperty(LOCATION_KEY_COORDINATE_LONGITUDE, $inputter->variables_array[LOCATION_KEY_COORDINATE_LONGITUDE]);
$location_to_create->save();
// Add labels
//
$location_label_objects = array();
foreach (Location::labels() as $name) {
array_push($location_label_objects, new Everyman\Neo4j\Label($client, $name));
}
if (count($location_label_objects) > 0) {
$location_to_create->addLabels($location_label_objects);
}
// 4) Output results
//
$outputter->print_data(array(Location::printer_dictionary($location_to_create)));
}