Auto Merge Row Data in Maatwebsite Export Excel - php

Question

I have dynamic data that will be exported into excel using maatwebsite. I have a case where I need to merge the same data. How can I do it from a collection?
From This:
To This:
class PerencanaanExport implements
FromCollection,
WithCustomStartCell,
WithEvents,
ShouldAutoSize,
WithStyles
{
/**
* #return \Illuminate\Support\Collection
*/
public function __construct(string $tahun)
{
$this->tahun = $tahun;
}
public function startCell(): string
{
return "A3";
}
public function registerEvents(): array
{
return [
AfterSheet::class => function (AfterSheet $event) {
/** #var Sheet $sheet */
$tahun =
$this->tahun == "null"
? ""
: ($this->tahun == "all"
? ""
: $this->tahun);
$sheet = $event->sheet;
$sheet->mergeCells("A1:E1");
$sheet->setCellValue("A1", "Kode");
$sheet->setCellValue("A2", "Urusan");
$sheet->setCellValue("B2", "Bidang Urusan");
$sheet->setCellValue("C2", "Program");
$sheet->setCellValue("D2", "Kegiatan");
$sheet->setCellValue("E2", "Sub Kegiatan");
$sheet->mergeCells("F1:F2");
$sheet->setCellValue(
"F1",
"Urusan/ Bidang Urusan Pemerintahan Daerah dan Program Kegiatan"
);
$sheet->mergeCells("G1:G2");
$sheet->setCellValue(
"G1",
"Indikator Kinerja Program/ Kegiatan"
);
$sheet->mergeCells("H1:K1");
$sheet->setCellValue("H1", "Rencana Tahun " . $tahun);
$sheet->setCellValue("H2", "LOKASI");
$sheet->setCellValue("I2", "TARGET KINERJA");
$sheet->setCellValue("J2", "ANGGARAN");
$sheet->setCellValue("K2", "SUMBER DANA");
$styleArray = [
"borders" => [
"allBorders" => [
"borderStyle" =>
\PhpOffice\PhpSpreadsheet\Style\Border::BORDER_THIN,
"color" => ["argb" => "000000"],
],
],
];
$cellRange = "A1:K" . $sheet->getHighestRow(); // All headers
$event->sheet
->getDelegate()
->getStyle($cellRange)
->applyFromArray($styleArray);
$event->sheet
->getStyle("A1:K2")
->getAlignment()
->setVertical(StyleAlignment::VERTICAL_TOP)
->setHorizontal(StyleAlignment::VERTICAL_CENTER)
->setWrapText(true);
},
];
}
public function collection()
{
$arr = [];
$tahun = $this->tahun;
$jointahun = "";
if ($tahun) {
$jointahun = " AND d.tahun =" . $tahun;
}
$query = "XXXXX";
$query .= "XXXXX";
$data = DB::select($query);
$oldProgram = "";
$oldKegiatan = "";
foreach ($data as $key => $value) {
if ($key != 0) {
$oldProgram = $data[$key - 1]->program;
$oldKegiatan = $data[$key - 1]->kegiatan;
}
if ($oldProgram != $value->program) {
array_push($arr, [
$value->kode_urusan,
$value->kode_bidang_urusan,
$value->kode_program,
"",
"",
$value->program,
]);
}
if ($oldKegiatan != $value->kegiatan) {
array_push($arr, [
$value->kode_urusan,
$value->kode_bidang_urusan,
$value->kode_program,
$value->kode_kegiatan,
"",
$value->kegiatan,
$value->indikator_kegiatan,
]);
}
array_push($arr, [
$value->kode_urusan,
$value->kode_bidang_urusan,
$value->kode_program,
$value->kode_kegiatan,
$value->kode_sub_kegiatan,
$value->sub_kegiatan,
$value->indikator_perencanaan,
$value->lokasi,
$value->target_kinerja,
$value->anggaran,
$value->sumber_dana,
]);
}
return collect($arr);
}
public function styles(Worksheet $sheet)
{
$sheet
->getStyle("1:2")
->getFont()
->setBold(true);
}