first

2026-06-24 18:30:00 +08:00
commit c0c3d7c09c
122 changed files with 16321 additions and 0 deletions
--- a/app/Support/Spreadsheet.php
+++ b/app/Support/Spreadsheet.php
@@ -0,0 +1,93 @@
+<?php
+
+namespace App\Support;
+
+use OpenSpout\Common\Entity\Row as SpoutRow;
+use OpenSpout\Reader\CSV\Reader as CsvReader;
+use OpenSpout\Reader\XLSX\Reader as XlsxReader;
+use OpenSpout\Writer\CSV\Writer as CsvWriter;
+use OpenSpout\Writer\XLSX\Writer as XlsxWriter;
+use Symfony\Component\HttpFoundation\StreamedResponse;
+
+class Spreadsheet
+{
+    /**
+     * Baca fail CSV/XLSX menjadi senarai baris bersekutu (keyed by header).
+     * Header dinormalkan: huruf kecil, ruang/sempang -> underscore.
+     *
+     * @return array<int, array<string, string>>
+     */
+    public static function read(string $path, ?string $extension = null): array
+    {
+        $extension = strtolower($extension ?? pathinfo($path, PATHINFO_EXTENSION));
+        $reader = $extension === 'csv' ? new CsvReader() : new XlsxReader();
+
+        $reader->open($path);
+
+        $headers = [];
+        $rows = [];
+
+        foreach ($reader->getSheetIterator() as $sheet) {
+            foreach ($sheet->getRowIterator() as $index => $row) {
+                $cells = array_map(
+                    static fn ($v) => is_string($v) ? trim($v) : (is_null($v) ? '' : (string) $v),
+                    $row->toArray()
+                );
+
+                if ($index === 1) {
+                    $headers = array_map(self::normalizeHeader(...), $cells);
+                    continue;
+                }
+
+                // Langkau baris kosong sepenuhnya
+                if (count(array_filter($cells, static fn ($v) => $v !== '')) === 0) {
+                    continue;
+                }
+
+                $assoc = [];
+                foreach ($headers as $i => $key) {
+                    if ($key === '') {
+                        continue;
+                    }
+                    $assoc[$key] = $cells[$i] ?? '';
+                }
+                $rows[] = $assoc;
+            }
+            break; // hanya sheet pertama
+        }
+
+        $reader->close();
+
+        return $rows;
+    }
+
+    private static function normalizeHeader(string $header): string
+    {
+        $header = strtolower(trim($header));
+        $header = preg_replace('/[\s\-]+/', '_', $header);
+        return preg_replace('/[^a-z0-9_]/', '', $header);
+    }
+
+    /**
+     * Hantar muat turun XLSX (atau CSV) terus ke pelayar.
+     *
+     * @param  array<int, string>  $headings
+     * @param  iterable<int, array<int, scalar|null>>  $rows
+     */
+    public static function download(string $filename, array $headings, iterable $rows, string $format = 'xlsx'): StreamedResponse
+    {
+        return response()->streamDownload(function () use ($headings, $rows, $format) {
+            $writer = $format === 'csv' ? new CsvWriter() : new XlsxWriter();
+            $writer->openToFile('php://output');
+            $writer->addRow(SpoutRow::fromValues($headings));
+            foreach ($rows as $row) {
+                $writer->addRow(SpoutRow::fromValues($row));
+            }
+            $writer->close();
+        }, $filename, [
+            'Content-Type' => $format === 'csv'
+                ? 'text/csv'
+                : 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+        ]);
+    }
+}