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<?php |
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namespace NwLaravel\Iterators; |
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/** |
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* Library Result Csv |
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*/ |
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class IteratorFileCsv extends AbstractIteratorFile implements IteratorInterface |
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{ |
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/** |
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* @var array|null |
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*/ |
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protected $headers; |
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/** |
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* @var string |
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*/ |
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protected $delimiter; |
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/** |
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* @var string |
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*/ |
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protected $enclosure; |
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/** |
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* @var string|null |
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*/ |
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protected $escape; |
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/** |
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* @var array |
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*/ |
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protected $defaults = array(); |
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/** |
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* @var array |
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*/ |
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protected $replace = array(); |
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const DELIMITER_DEFAULT = ';'; |
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const ENCLOSURE_DEFAULT = '"'; |
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/** |
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* Abre o arquivo para leitura e define a variaveis |
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* |
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* @param string $fileName File Name |
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* @param string $headers Headers [optional] |
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* @param string $delimiter Separator Fields [optional] |
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* @param string $enclosure Enclosure Fields [optional] |
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* @param string $escape String de Escape [optional] |
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* |
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* @throws \RuntimeException |
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*/ |
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public function __construct( |
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$fileName, |
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array $headers = array(), |
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$delimiter = null, |
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$enclosure = null, |
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$escape = null |
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) { |
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parent::__construct($fileName); |
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$this->setHeaders($headers); |
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$this->delimiter = (string) !is_null($delimiter) ? $delimiter : self::DELIMITER_DEFAULT; |
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$this->enclosure = $enclosure ?: self::ENCLOSURE_DEFAULT; |
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$this->escape = $escape ? $escape : null; |
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} |
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/** |
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* Line to array |
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* |
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* @return array|null |
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*/ |
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1 |
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private function rowArray() |
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{ |
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$row = null; |
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$line = $this->getLine(); |
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if ($line !== false && !is_null($line)) { |
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$row = str_getcsv($line, $this->delimiter, $this->enclosure, $this->escape); |
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$row = array_map("trim", $row); |
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1 |
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} |
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return $row; |
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} |
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/** |
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* Make Row Current |
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* |
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* @return array|bool |
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*/ |
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public function makeCurrent() |
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{ |
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$row = $this->rowArray(); |
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if (is_null($row)) { |
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return false; |
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} |
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1 |
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$validateRow = array_filter($row, function ($value) { |
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return ($value === '0') ? true : !empty($value); |
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}); |
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1 |
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if (!count($validateRow)) { |
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return (array) $validateRow; // Vazio |
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} |
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1 |
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$headers = $this->getHeaders(); |
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$count_headers = count($headers); |
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1 |
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// Falta valores, Existe mais Headers |
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if ($count_headers > count($row)) { |
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$row = array_pad($row, $count_headers, ""); |
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} else { |
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// Sobrando valores, Existe mais valores |
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$row = array_slice($row, 0, $count_headers); |
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1 |
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} |
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$row = array_combine($headers, $row); |
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$row = array_merge($this->defaults, $row, $this->replace); |
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return $row; |
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} |
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/** |
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1 |
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* Conta as linhas pulando o cabeçalho, se existir |
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* |
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1 |
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* @return integer |
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*/ |
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public function count() |
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{ |
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if (is_null($this->count)) { |
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$this->count = parent::count(); |
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$this->count -= 1; |
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} |
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return $this->count; |
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} |
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/** |
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* Rewind na segunda linha |
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* |
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* @see FileIterator::rewind() |
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* @return void |
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*/ |
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public function rewind() |
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{ |
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parent::rewind(); |
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$this->key = 1; |
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$this->next(); // Pular Cabeçalho |
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} |
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/** |
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* Retorna o headers tendo como chave a posicao das colunas da planilha |
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2 |
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* |
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* @return array |
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*/ |
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public function getHeaders() |
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{ |
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if (is_null($this->headers)) { |
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$tell = ftell($this->fileHandle); |
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fseek($this->fileHandle, 0); |
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$row = $this->rowArray(); |
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$headers = array(); |
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if (is_array($row)) { |
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$headers = array_map(function ($title) { |
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return strtolower(str_slug($title, '_')); |
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}, $row); |
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} |
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2 |
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fseek($this->fileHandle, $tell); |
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$this->headers = $headers; |
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} |
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return $this->headers; |
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} |
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/** |
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* Set Headers |
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4 |
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* |
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* @param array $headers Headers |
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4 |
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* |
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4 |
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* @return IteratorFileCsv |
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*/ |
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public function setHeaders(array $headers) |
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{ |
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$this->headers = count($headers) ? $headers : null; |
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return $this; |
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} |
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/** |
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* Set Fields Defaults |
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1 |
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* |
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* @param array $defaults Defaults |
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1 |
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* |
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* @return void |
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*/ |
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public function setDefaults(array $defaults) |
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{ |
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$this->defaults = $defaults; |
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return $this; |
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} |
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/** |
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* Set Fields Replace |
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1 |
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* |
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* @param array $replace Replaces |
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1 |
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* |
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* @return void |
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*/ |
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public function setReplace(array $replace) |
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{ |
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$this->replace = $replace; |
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return $this; |
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} |
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} |
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naturalweb /
nwlaravel
