Again contract format problem in excel export fixed now!

app/Exports/SegmentContractsExport.php

@@ -8,17 +8,26 @@
 use Maatwebsite\Excel\Concerns\FromQuery;
 use Maatwebsite\Excel\Concerns\ShouldAutoSize;
 use Maatwebsite\Excel\Concerns\WithColumnFormatting;
+use Maatwebsite\Excel\Concerns\WithCustomValueBinder;
 use Maatwebsite\Excel\Concerns\WithHeadings;
 use Maatwebsite\Excel\Concerns\WithMapping;
+use PhpOffice\PhpSpreadsheet\Cell\Cell;
+use PhpOffice\PhpSpreadsheet\Cell\DataType;
+use PhpOffice\PhpSpreadsheet\Cell\DefaultValueBinder;
 use PhpOffice\PhpSpreadsheet\Shared\Date as ExcelDate;
 use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
 
-class SegmentContractsExport implements FromQuery, ShouldAutoSize, WithColumnFormatting, WithHeadings, WithMapping
+class SegmentContractsExport extends DefaultValueBinder implements FromQuery, ShouldAutoSize, WithColumnFormatting, WithCustomValueBinder, WithHeadings, WithMapping
 {
     public const DATE_EXCEL_FORMAT = 'dd"."mm"."yyyy';
 
     public const TEXT_EXCEL_FORMAT = NumberFormat::FORMAT_TEXT;
 
+    /**
+     * @var array<string, string>
+     */
+    private array $columnLetterMap = [];
+
     /**
      * @var array<string, array{label: string}>
      */
@@ -78,9 +87,7 @@ public function columnFormats(): array
     {
         $formats = [];
 
-        foreach ($this->columns as $index => $column) {
+        foreach ($this->getColumnLetterMap() as $letter => $column) {
-            $letter = $this->columnLetter($index);
-
             if ($column === 'reference') {
                 $formats[$letter] = self::TEXT_EXCEL_FORMAT;
 
@@ -133,4 +140,31 @@ private function columnLetter(int $index): string
 
         return $letter;
     }
+
+    public function bindValue(Cell $cell, $value): bool
+    {
+        $columnKey = $this->getColumnLetterMap()[$cell->getColumn()] ?? null;
+
+        if ($columnKey === 'reference') {
+            $cell->setValueExplicit((string) $value, DataType::TYPE_STRING);
+
+            return true;
+        }
+
+        return parent::bindValue($cell, $value);
+    }
+
+    /**
+     * @return array<string, string>
+     */
+    private function getColumnLetterMap(): array
+    {
+        if ($this->columnLetterMap === []) {
+            foreach ($this->columns as $index => $column) {
+                $this->columnLetterMap[$this->columnLetter($index)] = $column;
+            }
+        }
+
+        return $this->columnLetterMap;
+    }
 }