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<?php |
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namespace LeKoala\EmailTemplates\Tasks; |
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use SilverStripe\ORM\DB; |
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use SilverStripe\Dev\BuildTask; |
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use LeKoala\EmailTemplates\Models\SentEmail; |
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use SilverStripe\Control\Director; |
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use SilverStripe\Core\Config\Config; |
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use SilverStripe\ORM\Connect\MySQLDatabase; |
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use SilverStripe\ORM\Queries\SQLUpdate; |
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/** |
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* |
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* Finds all non-compressed sent email bodies and compresses them |
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* |
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* Requires the gzip extension |
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* |
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* @author gurucomkz |
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*/ |
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class CompressEmailBodiesTask extends BuildTask |
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{ |
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private static $segment = 'CompressEmailBodiesTask'; |
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protected $title = "Compress Email Bodies task"; |
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protected $description = "Finds all non-compressed sent email bodies and compresses them"; |
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public function isEnabled() |
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{ |
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return Director::is_cli() && parent::isEnabled() && function_exists('gzdeflate') && Config::forClass(SentEmail::class)->get('compress_body'); |
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} |
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public function run($request) |
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{ |
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$table = SentEmail::singleton()->baseTable(); |
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$fromWhere = "FROM \"$table\" WHERE \"Body\" NOT LIKE '" . SentEmail::COMPRESSED_SIGNATURE . "%'"; |
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$total = DB::query("SELECT COUNT(ID) $fromWhere")->value(); |
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if (!$total) { |
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echo "No non-compressed emails found\n"; |
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return; |
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} |
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$nonCompressed = DB::query("SELECT ID, \"Body\" $fromWhere"); |
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echo "Found " . $total . " non-compressed emails\n"; |
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foreach ($nonCompressed as $pos => $row) { |
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if (!$row['Body']) { |
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echo "Email with ID {$row['ID']} has no body\n"; |
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continue; |
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} |
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$compressed = gzdeflate($row['Body'] ?? ''); |
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if ($compressed === false) { |
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echo "\tFailed to compress email with ID {$row['ID']}\n"; |
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continue; |
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} |
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$base64compressed = SentEmail::COMPRESSED_SIGNATURE . base64_encode($compressed); |
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SQLUpdate::create($table, [ |
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'Body' => $base64compressed, |
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], [ |
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'ID' => $row['ID'], |
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])->execute(); |
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$this->progress($pos, $total); |
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} |
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// optimise table |
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$this->optimizeTable(); |
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echo "\n"; |
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} |
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public function optimizeTable() |
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{ |
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$table = SentEmail::singleton()->baseTable(); |
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echo "\nOptimizing $table table...\n"; |
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$db = DB::get_conn(); |
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if ($db instanceof MySQLDatabase) { |
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DB::query("OPTIMIZE TABLE \"$table\""); |
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} elseif (get_class($db) == "SilverStripe\PostgreSQL\PostgreSQLDatabase") { |
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DB::query("VACUUM FULL \"$table\""); |
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} else { |
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echo "Database not supported for optimization\n"; |
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} |
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} |
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const PROGRRESS_SPINNER = [ |
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'⠋', |
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'⠙', |
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'⠹', |
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'⠼', |
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'⠴', |
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'⠦', |
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'⠧', |
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'⠇', |
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]; |
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public function progress($pos, $total) |
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{ |
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if ($total) { |
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$percent = round($pos / $total * 100, 2); |
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$percentInt = floor($percent); |
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$spinner = "\rConverting: ["; |
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$spinner .= str_repeat('￭', (int)floor($percentInt / 5)); |
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$edge = self::PROGRRESS_SPINNER[$pos % count(self::PROGRRESS_SPINNER)]; |
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$spinner .= "$edge"; |
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$spinner .= str_repeat(' ', 40 - strlen($spinner)); |
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$spinner .= "] $percent% "; |
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echo $spinner; |
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if ($percentInt > 0 && $percentInt % 100 == 0) { |
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echo "\n"; |
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} |
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} |
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} |
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} |
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lekoala /
silverstripe-email-templates
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