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<?php
if (!defined('__DIR__')) {
define('__DIR__', dirname(__FILE__));
}
// Create database schema
echo 'Creating database', PHP_EOL;
$file = __DIR__ . '/cocktail.db';
if (file_exists($file)) {
unlink($file);
}
$db = new PDO('sqlite:' . $file);
$db->exec('CREATE TABLE cocktail (name VARCHAR(255), link VARCHAR(255))');
$db->exec('CREATE UNIQUE INDEX cocktail_name ON cocktail (name)');
$insert = $db->prepare('INSERT INTO cocktail (name, link) VALUES (:name, :link)');
// Get raw webtender.com data set
echo 'Downloading webtender.com data set', PHP_EOL;
$start = 1;
do {
$file = __DIR__ . '/' . $start . '.html';
if (file_exists($file)) {
continue;
}
copy(
'http://www.webtender.com/db/browse?level=2&dir=drinks&char=%2A&start=' . $start,
$file
);
if (!isset($limit)) {
$contents = file_get_contents($file);
preg_match('/([0-9]+) found/', $contents, $match);
$limit = $match[1] + (150 - ($match[1] % 150));
}
echo 'Got records ', $start, ' - ', min($start + 150, $limit), ' of ', $limit, PHP_EOL;
$start += 150;
} while ($start < $limit);
// Extract data from data set
$start = 1;
while ($start < $limit) {
echo 'Processing ', $start, ' - ', min($start + 150, $limit), ' of ', $limit, PHP_EOL;
$file = __DIR__ . '/' . $start . '.html';
$contents = file_get_contents($file);
$contents = tidy_repair_string($contents);
libxml_use_internal_errors(true);
$doc = new DOMDocument;
$doc->loadHTML($contents);
libxml_clear_errors();
$xpath = new DOMXPath($doc);
$cocktails = $xpath->query('//li/a');
$db->beginTransaction();
foreach ($cocktails as $cocktail) {
$name = $cocktail->nodeValue;
$name = preg_replace('/ The$|^The |\s*\([^)]+\)\s*| #[0-9]+$/', '', $name);
$name = html_entity_decode($name);
$link = 'http://www.webtender.com' . $cocktail->getAttribute('href');
$insert->execute(array($name, $link));
}
$db->commit();
$start += 150;
}
// Clean up
echo 'Cleaning up', PHP_EOL;
$start = 1;
while ($start < $limit) {
$file = __DIR__ . '/' . $start . '.html';
unlink($file);
$start += 150;
}
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