<?php
/**
* Div PHP Nodes
*
* Example
*
* @author Rafa Rodriguez [@rafageist] <rafageist@hotmail.com>
*/
include_once "../divNodes.php";
// Adding a schema on the fly if not exists
$db = new divNodes("database/contacts");
// helper function
function random_name()
{
$word = '';
$cons = 'bcdfghjklmnpqrstvwxyz';
$cons_len = strlen($cons);
$vocals = 'aeiou';
$vocals_len = strlen($vocals);
$len = rand(1, 4);
for($i = 0; $i < $len; $i ++) $word .= $cons[ rand(0, $cons_len - 1) ] . $vocals[ rand(0, $vocals_len - 1) ];
return ucfirst($word);
}
// Enum of cities
$cities = [
'NY' => 'New York',
'FL' => 'Florida',
'HV' => 'Havana'
];
// Deleting all nodes in schema database/contacts
echo "Clear all CONTACTS ... \n";
$db->delNodes();
//die();
// Populate persons for each city
echo "Populating database with random contacts\n";
$stats = [];
$total = rand(10, 10);
for($i = 0; $i < $total; $i ++)
{
$city_code = array_rand($cities, 1);
$city_name = $cities[ $city_code ];
if( ! isset($stats[ $city_code ])) $stats[ $city_code ] = 0;
$stats[ $city_code ] ++;
if(($i + 1) % 10 == 0) echo ($i + 1) . " ... ";
$db->addNode([
'name' => random_name() . ' ' . random_name(),
'age' => rand(19, 100),
'city' => $city_code
]);
}
echo "\n\n";
// Show stats
echo "Populate results:\n";
foreach($cities as $city_code => $city_name) echo " - $city_name ($city_code) = {$stats[$city_code]} contacts \n";
echo "-------------------------\n";
echo "TOTAL = $total \n\n";
// Create index of object's property
echo "Creating index for CITY property of CONTACTS ...\n";
$idxCity = 'database/index/contacts/city';
$db->delSchema($idxCity);
$db->createIndex(function($node) { return $node['city']; }, null, $idxCity, true);
$db->forEachNode(function($node, $id, $schema, $db, $otherData)
{
echo "Order for CITY = {$node['name']} ID = $id \n";
$db->addOrder($node['name'], $id, 'name');
return DIV_NODES_FOR_CONTINUE_DISCARDING;
});
$db->foreachOrder(function($order, $iterator)
{
global $db;
$node = $db->getNode($order['id'], $order['schema']);
echo "$iterator - " . $node['name'] . "\n";
}, 'name');
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