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<?php |
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namespace Jackal\Copycat\Writer; |
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use SplFileInfo; |
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use Symfony\Component\OptionsResolver\OptionsResolver; |
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/** |
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* Class SQLLoadDataLocalWriter |
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* @package Jackal\Copycat\Writer |
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*/ |
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class SQLLoadDataLocalWriter extends CSVFileWriter |
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{ |
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/** |
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* @var string |
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*/ |
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protected $sqlOutputFilePathname; |
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/** |
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* @var string |
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*/ |
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protected $tableName; |
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/** |
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* @var array |
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*/ |
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protected $headers = []; |
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/** |
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* SQLLoadDataLocalWriter constructor. |
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* @param $tableName |
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* @param $outputFilePathname |
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* @param array $options |
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*/ |
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public function __construct($tableName, $outputFilePathname, $options = []) |
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{ |
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if (!is_dir(dirname($outputFilePathname))) { |
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mkdir(dirname($outputFilePathname), 0775, true); |
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} |
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touch($outputFilePathname); |
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$outputFile = new SplFileInfo($outputFilePathname); |
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$localPath = realpath($outputFile->getPathname()); |
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$csvOutputFilePathname = str_replace('.' . $outputFile->getExtension(), '.csv', $localPath); |
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$opts = [ |
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'header' => true, |
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'delimiter' => "\t", |
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]; |
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foreach (['columns','delimiter','enclosure','header','replace_file'] as $option) { |
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if (array_key_exists($option, $options)) { |
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$opts[$option] = $options[$option]; |
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} |
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} |
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parent::__construct($csvOutputFilePathname, $opts); |
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$resolver = new OptionsResolver(); |
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$resolver->setDefaults([ |
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'replace_file' => false, |
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'delimiter' => $opts['delimiter'], |
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'enclosure' => '"', |
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'header' => $opts['header'], |
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'autoincrement_field' => false, |
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'drop_data' => false, |
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'create_table' => false, |
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'columns' => [], |
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]); |
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$this->options = $resolver->resolve(array_merge($options, $opts)); |
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$this->sqlOutputFilePathname = $localPath; |
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$this->tableName = $tableName; |
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} |
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/** |
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* @param array $item |
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*/ |
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public function writeItem(array $item) |
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{ |
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if ($this->index == 0) { |
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$this->headers = array_keys($item); |
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} |
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parent::writeItem($item); |
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} |
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/** |
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* |
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*/ |
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public function finish() |
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{ |
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parent::finish(); |
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$dropRecordsString = $this->options['drop_data'] ? sprintf("\n" . 'DELETE FROM %s;', $this->tableName) : null; |
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$autoIncrementString = $this->options['autoincrement_field'] ? sprintf('SET %s = NULL', $this->options['autoincrement_field']) : null; |
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$rowsToIgnore = $this->options['header'] ? 1 : 0; |
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$headers = '(' . implode(', ', $this->headers) . ')'; |
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$delimiter = str_replace(["\t","\n","\r"], ['\\t','\\n','\\r'], $this->options['delimiter']); |
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$enclosure = $this->options['enclosure']; |
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$createTableSql = null; |
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if ($this->options['create_table']) { |
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$h = fopen($this->outputFilePathname, 'r'); |
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$columnNames = fgetcsv($h, 0, $this->options['delimiter'], $this->options['enclosure']); |
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$autoIncrementField = $this->options['autoincrement_field'] ? $this->options['autoincrement_field'] . ' int auto_increment not null, ' : ''; |
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$primaryKeyField = $this->options['autoincrement_field'] ? ', primary key (' . $this->options['autoincrement_field'] . ')' : ''; |
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$createTableSql = sprintf('DROP TABLE IF EXISTS %s;CREATE TABLE %s (%s%s%s);', $this->tableName, $this->tableName, $autoIncrementField, implode(', ', array_map(function ($value) { |
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return $value . ' text'; |
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}, $columnNames)), $primaryKeyField); |
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} |
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$contents = <<<SQL |
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{$createTableSql}{$dropRecordsString} |
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LOAD DATA LOCAL INFILE '{$this->outputFilePathname}' |
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INTO TABLE {$this->tableName} |
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CHARACTER SET utf8 |
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FIELDS |
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TERMINATED BY '{$delimiter}' |
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ENCLOSED BY '{$enclosure}' |
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ESCAPED BY '' |
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LINES |
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TERMINATED BY '\\n' |
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IGNORE $rowsToIgnore LINES |
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$headers |
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$autoIncrementString |
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; |
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SQL; |
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file_put_contents($this->sqlOutputFilePathname, $contents); |
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} |
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} |
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lucajackal85 /
Copycat
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