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<?php
namespace Micropoly\Tools;
use Micropoly\Entrypoint;
use Micropoly\Env;
use Micropoly\Models\Note;
use SQLite3;
class PopulateDevDb implements Entrypoint
{
private const NUM_NOTES = 1000;
private const WORDS_FILE = "/usr/share/dict/cracklib-small";
private const TAGS_MIN_RAND = 0;
private const TAGS_MAX_RAND = 6;
private const CHANCE_TRASH = 0.1;
private const CHANCE_INBOX = 0.4;
private const CONTENT_MIN_WORDS = 3;
private const CONTENT_MAX_WORDS = 200;
private array $words = [];
private function readWords()
{
$words = file_get_contents(self::WORDS_FILE);
$words = explode("\n", $words);
$words = array_map("trim", $words);
$words = array_filter($words);
$this->words = $words;
}
public function run(Env $env)
{
$this->readWords();
$db = $env->db();
for ($i = 0; $i < self::NUM_NOTES; $i++)
$this->createTestNote($db);
}
private function randomWords(int $min, int $max): array
{
$words = [];
$num = mt_rand($min, $max);
for ($i = 0; $i < $num; $i++)
$words[] = $this->words[mt_rand(0, count($this->words)-1)];
return $words;
}
private static function byChance(float $chance): bool
{
return mt_rand() / mt_getrandmax() <= $chance;
}
private function createTestNote(SQLite3 $db): void
{
$note = new Note();
$tags = $this->randomWords(self::TAGS_MIN_RAND, self::TAGS_MAX_RAND);
if (self::byChance(self::CHANCE_INBOX))
$tags[] = "inbox";
$note->setTags($tags);
$note->setContent(implode(" ", $this->randomWords(self::CONTENT_MIN_WORDS, self::CONTENT_MAX_WORDS)));
$note->setTrash(self::byChance(self::CHANCE_TRASH));
$note->save($db);
}
}
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