add draft version of detect function

Mihail
1 parent dfeb2d10
Showing 2 changed files with 46 additions and 20 deletions Show diff stats
backend/components/parsers/CsvParser.php
backend/components/parsers/ParserHandler.php
@@ -13,51 +13,71 @@ use Yii;
 use yii\base\ErrorException;
 use common\components\debug\CustomVarDamp;
-class CsvParser implements \IteratorAggregate {
+class CsvParser  {
     /** @var bool */
-    private $hasHeaderRow;
+    public $hasHeaderRow = false;
     /** @var resource */
-    private $file;
+    public $file;
     /** @var out encoding charset */
-    private $out_charset = 'UTF-8';
+    public $out_charset = 'UTF-8';
     /** @var out encoding charset */
-    private $in_charset;
+    public $in_charset = 'windows-1251';
     /** @var int - first line for parsing */
-    private $first_line;
+    public $first_line = 0;
     /** @var int - first column for parsing */
-    private $first_column;
+    public $first_column = 0;
     /** @var array - array of headers values */
-    private $keys;
+    public $keys;
+    public $delimiter = ';';
+    public $auto_detect_start_position = false;
+    public $min_column_quantity = 5;
-    public function setup( $file, $first_line, $first_column, $hasHeaderRow = false, $delimiter = ';')
-    {
-
-        $this->first_line = $first_line;
-        $this->first_column = $first_column;
-        $this->file = $file;
+    public function setup()
+    {
-        $this->file->setCsvControl($delimiter);
+        if ($this->auto_detect_start_position) {
+            $this->first_line = $this->detectStartPosition();
+        }
+        CustomVarDamp::dumpAndDie( $this->first_line );
+        $this->file->setCsvControl($this->$delimiter);
         $this->file->setFlags(\SplFileObject::READ_CSV);
         $this->file->seek( $this->first_line );
-        $this->in_charset = 'windows-1251';
-        $this->hasHeaderRow = $hasHeaderRow;
     }
-    public function getIterator()
+
+
+    protected function detectStartPosition ()
     {
-        return new \ArrayIterator($this->read());
-    }
+        $first_column = 0;
+        $find = false;
+        while (!$find) {
+
+        $j = 0;
+        $row = $this->readRow();
+            $first_column++;
+        for ($i = 1; $i<=count($row); $i++) {
+            if (!$row[$i]) {
+                $j++;
+            }
+            if ( $j >= $this->min_column_quantity ) {
+                $find = true;
+                break;
+            }
+        }
+        }
+        return $first_column;
+    }
     /**
      * @return array
 <?php
 namespace backend\components\parsers;
+use common\components\debug\CustomVarDamp;
 use Yii;
@@ -42,6 +43,11 @@ class ParserHandler {
             $first_line = isset( $this->options->first_line )? $this->options->first_line : 0;
             $first_column = isset( $this->options->first_column )? $this->options->first_column : 0;
+            $csvParser = Yii::createObject([
+                'class' => 'backend\components\parsers\CsvParser',
+                'file' => $this->fileObject,
+            ]);
+            //CustomVarDamp::dumpAndDie($csvParser);
             $csvParser = new CsvParser( );
             $csvParser->setup( $this->fileObject, $first_line, $first_column );