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simple.php
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simple.php
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<?php
/**
* This program provides a few simple examples of reading, writing, and
* querying e3db records. For more detailed information, please see the
* documentation home page: https://tozny.com/documentation/e3db/
*
* @copyright Copyright (c) 2017 Tozny, LLC (https://tozny.com)
* @license MIT License
*/
use Tozny\E3DB\Client;
use Tozny\E3DB\Config;
use Tozny\E3DB\Connection\GuzzleConnection;
/**
* ---------------------------------------------------------
* Initialization
* ---------------------------------------------------------
*/
require_once __DIR__ . '/../vendor/autoload.php';
$dotenv = new Dotenv\Dotenv(__DIR__ . '/..');
$dotenv->load();
// Configuration values must be set in an immutable configuration object.
// You can use whatever "profiles" or client credentials you want.
$config = new Config(
\getenv('CLIENT_ID'),
\getenv('API_KEY_ID'),
\getenv('API_SECRET'),
\getenv('PUBLIC_KEY'),
\getenv('PRIVATE_KEY'),
\getenv('API_URL')
);
// Now create a client using that configuration and a Guzzle-powered connection
$connection = new GuzzleConnection($config);
$client = new Client($config, $connection);
/**
* ---------------------------------------------------------
* Writing a record
* ---------------------------------------------------------
*/
// Create a record by first creating a local version as an array:
$data = [
'name' => 'Jon Snow',
'what_he_knows' => 'Nothing',
];
// Now encrypt the *value* part of the record, write it to the server and
// the server returns the newly created record:
$record = $client->write('test-contact', $data);
$record_id = $record->meta->record_id;
echo "Wrote: " . $record_id . "\n";
/**
* ---------------------------------------------------------
* Simple reading and queries
* ---------------------------------------------------------
*/
// Use the new record's unique ID to read the same record again from E3DB:
$newRecord = $client->read($record->meta->record_id);
echo 'Record: ' . $newRecord->data[ 'name' ] . ' ' . $record->data[ 'what_he_knows' ] . "\n";
// Query for all records of type 'test-contact' and print out
// a little bit of data and metadata.
$data = true;
$raw = false;
$writer = null;
$record = null;
$type = 'test-contact';
$queryResult = $client->query($data, $raw, $writer, $record, $type);
foreach ($queryResult as $record) {
echo 'Data: ' . $record->data[ 'name' ] . ' ' . $record->data[ 'what_he_knows' ] . "\n";
echo 'Metadata: ' . $record->meta->record_id . ' ' . $record->meta->type . "\n";
}
/**
* ---------------------------------------------------------
* Simple sharing by record type
* ---------------------------------------------------------
*/
// Share all of the records of type 'test-contact' with Isaac's client ID:
$isaac_client_id = 'db1744b9-3fb6-4458-a291-0bc677dba08b';
$client->share('test-contact', $isaac_client_id);
/**
* ---------------------------------------------------------
* More complex queries
* ---------------------------------------------------------
*/
// Create some new records of the same type (note that they are also shared
// automatically since they are a type that we have shared above. We
// will also add some "plain" fields that are not secret but can be used
// for efficient querying:
$bran_data = ['name' => 'Bran', 'what_he_knows' => 'Crow'];
$bran_plain = ['house' => 'Stark', 'ageRange' => 'child'];
$client->write('test-contact', $bran_data, $bran_plain);
$hodor_data = ['name' => 'Hodor', 'what_he_knows' => 'Hodor'];
$hodor_plain = ['house' => 'Stark', 'ageRange' => 'adult'];
$client->write('test-contact', $hodor_data, $hodor_plain);
$doran_data = ['name' => 'Doran', 'what_he_knows' => 'Oberyn'];
$doran_plain = ['house' => 'Martell', 'ageRange' => 'adult'];
$client->write('test-contact', $doran_data, $doran_plain);
// Create a query that finds everyone from house Stark, but not others:
$queryWesteros = ['eq' => ['name' => 'house', 'value' => 'Stark']];
// Execute that query:
$data = true;
$raw = false;
$writer = null;
$record = null;
$type = null;
$queryResult = $client->query($data, $raw, $writer, $record, $type, $queryWesteros);
foreach ($queryResult as $record) {
echo $record->data[ 'name' ] . "\n";
}
// Now create a more complex query with only the adults from house Stark:
$queryWesteros = [
'and' => [
['eq' => ['name' => 'house', 'value' => 'Stark']],
['eq' => ['name' => 'ageRange', 'value' => 'adult']]
]
];
// Execute that query:
$data = true;
$raw = false;
$writer = null;
$record = null;
$type = null;
$queryResult = $client->query($data, $raw, $writer, $record, $type, $queryWesteros);
foreach ($queryResult as $record) {
echo $record->data[ 'name' ] . "\n";
}
/**
* ---------------------------------------------------------
* Learning about other clients
* ---------------------------------------------------------
*/
$isaac_client_info = $client->client_info($isaac_client_id);
var_dump($isaac_client_info);
// Fetch the public key:
$isaac_pub_key = $client->client_key($isaac_client_id);
var_dump($isaac_pub_key);
/**
* ---------------------------------------------------------
* Clean up - Comment these out if you want to experiment
* ---------------------------------------------------------
*/
// Revoke the sharing created by the client.share
$client->revoke('test-contact', $isaac_client_id);
// Delete the record we created above
$client->delete($record_id);
// Delete all of the records of type test-contact from previous runs:
$data = false;
$raw = false;
$writer = null;
$record = null;
$type = 'test-contact';
$queryResult = $client->query($data, $raw, $writer, $record, $type);
foreach ($queryResult as $record) {
$client->delete($record->meta->record_id);
}