fixed keys and header issue and handle with empty columns

Mihail
1 parent 735c416d
Showing 2 changed files with 128 additions and 61 deletions Show diff stats
lib/TableParser.php
lib/XlsxParser.php
@@ -9,6 +9,8 @@
 namespace yii\multiparser;
  
  
+use common\components\CustomVarDamp;
+
 abstract class TableParser extends Parser {
  
  
@@ -107,7 +109,7 @@ abstract class TableParser extends Parser {
     {
         do  {
  
-            $this->current_row_number ++;
+            $this->current_row_number++;
             $this->readRow();
  
         } while( $this->isEmptyRow() );
@@ -7,6 +7,7 @@
  */
  
 namespace yii\multiparser;
+
 use common\components\CustomVarDamp;
  
  
@@ -14,7 +15,8 @@ use common\components\CustomVarDamp;
  * Class XlsxParser
  * @package yii\multiparser
  */
-class XlsxParser extends TableParser {
+class XlsxParser extends TableParser
+{
  
     /**
      * @var string - путь куда будут распаковываться файлы, если не указанно - во временный каталог сервера
@@ -39,7 +41,7 @@ class XlsxParser extends TableParser {
  
         parent::setup();
  
-        if ( $this->path_for_extract_files == '' ) {
+        if ($this->path_for_extract_files == '') {
             $this->path_for_extract_files = sys_get_temp_dir();
         }
     }
@@ -47,18 +49,18 @@ class XlsxParser extends TableParser {
  
     public function read()
     {
-       $this->extractFiles();
+        $this->extractFiles();
         $this->readSheets();
         $this->readStrings();
-        foreach ( $this->sheets_arr  as $sheet ) {
+        foreach ($this->sheets_arr as $sheet) {
             //проходим по всем файлам из директории /xl/worksheets/
             $this->current_sheet = $sheet;
             $sheet_path = $this->path_for_extract_files . '/xl/worksheets/' . $sheet . '.xml';
-            if ( file_exists( $sheet_path ) && is_readable( $sheet_path ) ) {
-                $xml = simplexml_load_file( $sheet_path, "SimpleXMLIterator" );
+            if (file_exists($sheet_path) && is_readable($sheet_path)) {
+                $xml = simplexml_load_file($sheet_path, "SimpleXMLIterator");
                 $this->current_node = $xml->sheetData->row;
                 $this->current_node->rewind();
-                if ( $this->current_node->valid() ) {
+                if ($this->current_node->valid()) {
                     parent::read();
                 }
             }
@@ -66,49 +68,48 @@ class XlsxParser extends TableParser {
  
         $this->cleanUp();
  
-        if ( $this->active_sheet ) {
+        if ($this->active_sheet) {
             // в настройках указан конкретный лист с которого будем производить чтение, поэтому и возвращаем подмассив
-            return $this->result[ $this->current_sheet ];
-        }else{
+            return $this->result[$this->current_sheet];
+        } else {
             return $this->result;
         }
  
     }
  
-    protected function extractFiles ()
+    protected function extractFiles()
     {
         $this->path_for_extract_files = $this->path_for_extract_files . session_id();
-        if ( !file_exists($this->path_for_extract_files )) {
-            if ( !mkdir( $this->path_for_extract_files ) )
-            {
-                throw new \Exception( 'Ошибка создания временного каталога - ' . $this->path_for_extract_files );
+        if (!file_exists($this->path_for_extract_files)) {
+            if (!mkdir($this->path_for_extract_files)) {
+                throw new \Exception('Ошибка создания временного каталога - ' . $this->path_for_extract_files);
             }
         }
  
         $zip = new \ZipArchive;
-        if ( $zip->open( $this->file_path ) === TRUE ) {
-            $zip->extractTo( $this->path_for_extract_files . '/' );
+        if ($zip->open($this->file_path) === TRUE) {
+            $zip->extractTo($this->path_for_extract_files . '/');
             $zip->close();
         } else {
  
-            throw new \Exception( 'Ошибка чтения xlsx файла' );
+            throw new \Exception('Ошибка чтения xlsx файла');
         }
         unset($zip);
     }
  
-    protected function readSheets ()
+    protected function readSheets()
     {
-        if ( $this->active_sheet ) {
-            $this->sheets_arr[ ] = 'sheet' . $this->active_sheet;
+        if ($this->active_sheet) {
+            $this->sheets_arr[] = 'sheet' . $this->active_sheet;
             return;
         }
  
-        $xml = simplexml_load_file( $this->path_for_extract_files . '/xl/workbook.xml' );
-        foreach ( $xml->sheets->children() as $sheet ) {
+        $xml = simplexml_load_file($this->path_for_extract_files . '/xl/workbook.xml');
+        foreach ($xml->sheets->children() as $sheet) {
             $sheet_name = '';
             $sheet_id = 0;
             $attr = $sheet->attributes();
-            foreach ( $attr as $name => $value ) {
+            foreach ($attr as $name => $value) {
                 if ($name == 'name')
                     $sheet_name = (string)$value;
  
@@ -116,74 +117,101 @@ class XlsxParser extends TableParser {
                     $sheet_id = $value;
  
             }
-            if ( $sheet_name && $sheet_id ) {
+            if ($sheet_name && $sheet_id) {
                 $this->sheets_arr[$sheet_name] = 'Sheet' . $sheet_id;
             }
 //
         }
     }
  
-    protected function readStrings ()
+    protected function readStrings()
     {
-        $xml = simplexml_load_file( $this->path_for_extract_files . '/xl/sharedStrings.xml' );
-        foreach ( $xml->children() as $item ) {
+        $xml = simplexml_load_file($this->path_for_extract_files . '/xl/sharedStrings.xml');
+        foreach ($xml->children() as $item) {
             $this->strings_arr[] = (string)$item->t;
         }
     }
  
  
-
-   // protected function readRow ( $item, $sheet , $current_row )
-    protected function readRow ( )
+    protected function readRow()
     {
         $this->row = [];
         $node = $this->current_node->getChildren();
         if ($node === NULL) {
             return;
         }
-        //foreach ( $node as $child ) {
-        for ( $node->rewind(); $node->valid(); $node->next() ) {
+
+        for ($node->rewind(), $i = 0; $node->valid(); $node->next(), $i++) {
             $child = $node->current();
             $attr = $child->attributes();
  
-            if( isset($child->v) ) {
+            // define the index of result array
+            // $attr['r'] - contain the address of cells - A1, B1 ...
+            if (isset($attr['r'])) {
+                // override index
+                $i = $this->convertCellToIndex( $attr['r'] );
+
+                if ( $this->keys !== Null ){
+                    if( isset( $this->keys[$i] ) ){
+                        //$i = $this->keys[$i];
+                    } else {
+                        // we have a keys, but this one we didn't find, so skip it
+                        continue;
+                    }
+                }
+            }
+            // define the value of result array
+            if (isset($child->v)) {
                 $value = (string)$child->v;
-            }else{
+
+                if ( isset($attr['t']) )
+                // it's not a value it's a string, so fetch it from string array
+                    $value = $this->strings_arr[$value];
+
+            } else {
                 $value = '';
             }
-            if ( isset( $attr['t'] ) ) {
-                $this->row[] =  $this->strings_arr[ $value ];
-            }else{
-                $this->row[] =  $value;
-            }
+
+            // set
+            $this->row[$i] = $value;
  
         }
-        // дополним ряд пустыми значениями если у нас ключей больше чем значений
-        if ( $this->has_header_row && ( count( $this->keys ) > count( $this->row ) ) ) {
-            $extra_coloumn = count( $this->keys ) - count( $this->row );
-            for ( $i = 1; $i <= $extra_coloumn; $i++ ) {
-                $this->row[] =  '';
+//        // fill the row by empty values for keys that we are missed in previous step
+        // only for 'has_header_row = true' mode
+        if ( $this->has_header_row && $this->keys !== Null  ) {
+            $extra_column = count( $this->keys ) - count( $this->row );
+            if ( $extra_column ) {
+                foreach ( $this->keys as $key => $key ) {
+
+                    if ( isset( $this->row[$key] ) ) {
+                        continue;
+                    }
+                    $this->row[$key] = '';
+                }
             }
+
         }
+        ksort( $this->row );
         $this->current_node->next();
     }
  
-    protected  function isEmptyRow(){
+    protected function isEmptyRow()
+    {
  
         $is_empty = false;
  
-        if ( !count( $this->row ) || !$this->current_node->valid() ) {
+        if (!count($this->row) || !$this->current_node->valid()) {
             return true;
         }
  
         $j = 0;
-        for ($i = 1; $i <= count( $this->row ); $i++) {
+        for ($i = 1; $i <= count($this->row); $i++) {
  
-            if ( isset($this->row[$i - 1]) && $this->isEmptyColumn( $this->row[$i - 1] ) ) {
+            if (isset($this->row[$i - 1]) && $this->isEmptyColumn($this->row[$i - 1])) {
                 $j++;
             }
  
-            if ( $j >= $this->min_column_quantity ) {
+            if ($j >= $this->min_column_quantity) {
                 $is_empty = true;
                 break;
             }
@@ -192,29 +220,32 @@ class XlsxParser extends TableParser {
         return $is_empty;
     }
  
-    protected  function isEmptyColumn( $val ){
+    protected function isEmptyColumn($val)
+    {
         return $val == '';
     }
  
-    protected  function setResult(  ){
-        $this->result[ $this->current_sheet ][] = $this->row;
+    protected function setResult()
+    {
+        $this->result[$this->current_sheet][] = $this->row;
     }
  
-    protected function deleteExtractFiles ()
+    protected function deleteExtractFiles()
     {
-            $this->removeDir( $this->path_for_extract_files );
+        $this->removeDir($this->path_for_extract_files);
  
     }
  
-    protected function removeDir($dir) {
+    protected function removeDir($dir)
+    {
         if (is_dir($dir)) {
             $objects = scandir($dir);
             foreach ($objects as $object) {
                 if ($object != "." && $object != "..") {
-                    if (filetype($dir."/".$object) == "dir")
-                        $this->removeDir($dir."/".$object);
+                    if (filetype($dir . "/" . $object) == "dir")
+                        $this->removeDir($dir . "/" . $object);
                     else
-                        unlink($dir."/".$object);
+                        unlink($dir . "/" . $object);
                 }
             }
             reset($objects);
@@ -223,6 +254,36 @@ class XlsxParser extends TableParser {
     }
  
  
+    /**
+     * @param $cell_address - string with address like A1, B1 ...
+     * @return int - integer index
+     * this method has a constraint - 'Z' - it's a last column to convert,
+     * column with 'AA..' address and bigger - return index = 0
+     */
+    protected function convertCellToIndex($cell_address)
+    {
+        $index = 0;
+
+        $address_letter = substr($cell_address, 0, 1);
+        $address_arr = range('A', 'Z');
+
+        if ( $search_value =  array_search( $address_letter, $address_arr ) )
+            $index = $search_value;
+
+        return $index;
+
+    }
+// @todo - переписать родительский метод в универсальной манере а не переопределять его
+    protected  function setKeysFromHeader(){
+        if ( $this->has_header_row ) {
+
+            if ($this->keys === NULL) {
+                $this->keys =  $this->row;
+                return true;
+            }
+        }
+        return false;
+    }
     protected function cleanUp()
     {
         parent::cleanUp();
@@ -230,9 +291,13 @@ class XlsxParser extends TableParser {
         unset($this->sheets_arr);
         unset($this->current_node);
  
-        $this->deleteExtractFiles();
  
     }
  
+    function __destruct()
+    {
+        $this->deleteExtractFiles();
+    }
+
  
 }
 \ No newline at end of file