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<?php |
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declare(strict_types=1); |
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namespace App\Services\Binaries; |
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use Illuminate\Support\Facades\DB; |
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use Illuminate\Support\Facades\Log; |
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/** |
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* Handles part record creation during header storage. |
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*/ |
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final class PartHandler |
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{ |
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/** @var array Pending parts to insert */ |
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private array $parts = []; |
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/** @var array Part numbers successfully inserted */ |
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private array $insertedPartNumbers = []; |
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/** @var array Part numbers that failed to insert */ |
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private array $failedPartNumbers = []; |
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private int $chunkSize; |
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private bool $addToPartRepair; |
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public function __construct(int $chunkSize = 5000, bool $addToPartRepair = true) |
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{ |
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$this->chunkSize = max(100, $chunkSize); |
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$this->addToPartRepair = $addToPartRepair; |
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} |
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/** |
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* Reset state for a new batch. |
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*/ |
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public function reset(): void |
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{ |
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$this->parts = []; |
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$this->insertedPartNumbers = []; |
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$this->failedPartNumbers = []; |
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} |
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/** |
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* Set whether to add failed parts to repair queue. |
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*/ |
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public function setAddToPartRepair(bool $value): void |
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{ |
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$this->addToPartRepair = $value; |
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} |
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/** |
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* Add a part to the pending insert queue. |
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* |
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* @return bool True if chunk was flushed successfully (or not needed), false on flush failure |
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*/ |
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public function addPart(int $binaryId, array $header): bool |
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{ |
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$this->parts[] = [ |
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'binaries_id' => $binaryId, |
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'number' => $header['Number'], |
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'messageid' => $header['Message-ID'], |
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'partnumber' => $header['matches'][2], |
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'size' => $header['Bytes'], |
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]; |
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// Auto-flush when chunk size reached |
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if (\count($this->parts) >= $this->chunkSize) { |
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return $this->flush(); |
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} |
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return true; |
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} |
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/** |
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* Flush pending parts to database. |
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*/ |
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public function flush(): bool |
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{ |
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if (empty($this->parts)) { |
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return true; |
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} |
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$success = $this->insertChunk($this->parts); |
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if ($success) { |
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foreach ($this->parts as $part) { |
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$this->insertedPartNumbers[] = $part['number']; |
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} |
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} else { |
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foreach ($this->parts as $part) { |
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$this->failedPartNumbers[] = $part['number']; |
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} |
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} |
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$this->parts = []; |
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return $success; |
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} |
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private function insertChunk(array $parts): bool |
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{ |
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$placeholders = []; |
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$bindings = []; |
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$driver = DB::getDriverName(); |
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foreach ($parts as $row) { |
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$placeholders[] = '(?,?,?,?,?)'; |
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$bindings[] = $row['binaries_id']; |
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$bindings[] = $row['number']; |
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$bindings[] = $row['messageid']; |
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$bindings[] = $row['partnumber']; |
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$bindings[] = $row['size']; |
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} |
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$sql = $driver === 'sqlite' |
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? 'INSERT OR IGNORE INTO parts (binaries_id, number, messageid, partnumber, size) VALUES '.implode(',', $placeholders) |
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: 'INSERT IGNORE INTO parts (binaries_id, number, messageid, partnumber, size) VALUES '.implode(',', $placeholders); |
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try { |
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DB::statement($sql, $bindings); |
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return true; |
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} catch (\Throwable $e) { |
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if (config('app.debug') === true) { |
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Log::error('Parts chunk insert failed: '.$e->getMessage()); |
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} |
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return false; |
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} |
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} |
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/** |
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* Get numbers of successfully inserted parts. |
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*/ |
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public function getInsertedNumbers(): array |
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{ |
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return $this->insertedPartNumbers; |
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} |
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/** |
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* Get numbers of failed part inserts. |
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*/ |
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public function getFailedNumbers(): array |
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{ |
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return $this->failedPartNumbers; |
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} |
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/** |
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* Check if there are pending parts waiting to be flushed. |
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*/ |
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public function hasPending(): bool |
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{ |
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return ! empty($this->parts); |
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} |
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} |
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158
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NNTmux /
newznab-tmux
