872 lines
30 KiB
PHP
872 lines
30 KiB
PHP
<?php
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namespace App\Http\Controllers;
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use Barryvdh\DomPDF\Facade\Pdf as FacadePdf;
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use Barryvdh\DomPDF\PDF;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\Auth;
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use Illuminate\Container\Attributes\DB;
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use Illuminate\Support\Facades\DB as FacadesDB;
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use Carbon\Carbon;
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class AdminController extends Controller
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{
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public function dashboard()
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{
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// Total produk
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$jumlahbarang = FacadesDB::table('produk')->count('idproduk');
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// Total transaksi
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$jumlahtransaksi = FacadesDB::table('penjualan')->count('idpenjualan');
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// Total penjualan per bulan
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$sales = FacadesDB::table('penjualan')
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->selectRaw('MONTH(tanggalpenjualan) as bulan, SUM(grandtotal) as total')
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->groupBy('bulan')
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->pluck('total', 'bulan')
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->toArray();
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// Ambil 5 produk terlaris berdasarkan jumlah penjualan
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$produkTerlaris = FacadesDB::table('penjualan')
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->select('namabarang', FacadesDB::raw('SUM(jumlah) as total_terjual'))
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->groupBy('namabarang')
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->orderByDesc('total_terjual')
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->limit(5)
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->get();
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return view('admin.dashboard', compact('jumlahbarang', 'jumlahtransaksi', 'sales', 'produkTerlaris'));
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}
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public function daftarbarang()
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{
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$data['daftarbarang'] = FacadesDB::table('produk')->get();
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return view('admin.daftarbarang', $data);
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}
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public function tambahbarang()
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{
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return view('admin.tambahbarang');
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}
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public function tambahbarangsimpan(Request $request)
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{
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$request->validate([
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'namaproduk' => 'required',
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'stok' => 'required',
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'hargajual' => 'required',
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]);
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FacadesDB::table('produk')->insert([
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'namaproduk' => $request->input('namaproduk'),
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'stok' => $request->input('stok'),
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'hargajual' => $request->input('hargajual'),
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'created_at' => date('Y-m-d H:i:s'),
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]);
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return redirect('daftarbarang')->with('success', 'Data Berhasil Ditambahkan');
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}
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public function barangedit($id)
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{
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$data['barang'] = FacadesDB::table('produk')->where('idproduk', $id)->first();
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return view('admin.barangedit', $data);
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}
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public function barangeditsimpan(Request $request, $id)
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{
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$request->validate([
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'namaproduk' => 'required',
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'stok' => 'required',
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'hargajual' => 'required',
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]);
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FacadesDB::table('produk')->where('idproduk', $id)->update([
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'namaproduk' => $request->input('namaproduk'),
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'stok' => $request->input('stok'),
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'hargajual' => $request->input('hargajual'),
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]);
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return redirect('daftarbarang')->with('success', 'Data Berhasil Diubah');
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}
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public function baranghapus($id)
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{
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FacadesDB::table('produk')->where('idproduk', $id)->delete();
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return redirect('daftarbarang')->with('success', 'Data Berhasil Dihapus');
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}
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// Barang masuk
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public function barangmasuk()
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{
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$data['barangmasuk'] = FacadesDB::table('barangmasuk')
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->select('notabeli', 'tanggalmasuk', 'grandtotal', 'idsupplier')
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->groupBy('notabeli')
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->orderBy('idbarangmasuk', 'desc')
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->get();
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$barangmasukdetail = [];
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$datasupplier = [];
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// Loop untuk setiap penjualan dan ambil detailnya
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foreach ($data['barangmasuk'] as $value) {
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$barangmasukdetail[$value->notabeli] = FacadesDB::table('barangmasuk')
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->where('notabeli', $value->notabeli)
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->get();
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$supplier = FacadesDB::table('supplier')->where('idsupplier', $value->idsupplier)->first();
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if ($supplier) {
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$datasupplier[$value->notabeli] = $supplier->namasupplier;
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}
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}
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// Tambahkan detail penjualan ke data yang akan dikirim ke view
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$data['datasupplier'] = $datasupplier;
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$data['barangmasukdetail'] = $barangmasukdetail;
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return view('admin.barangmasuk', $data);
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}
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public function barangmasuktambah()
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{
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$data['barang'] = FacadesDB::table('produk')->get();
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$data['supplier'] = FacadesDB::table('supplier')->get();
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return view('admin.barangmasuktambah', $data);
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}
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public function barangmasuktambahsimpan(Request $request)
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{
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$notabeli = now()->format('Ymdhis');
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$idsupplier = $request->input('idsupplier');
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foreach ($request->namabarang as $key => $namabarang) {
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FacadesDB::table('barangmasuk')->insert([
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'idsupplier' => $idsupplier,
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'notabeli' => $notabeli,
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'namaproduk' => $namabarang,
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'harga' => $request->harga[$key],
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'jumlah' => $request->jumlah[$key],
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'total' => $request->total[$key],
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'tanggalmasuk' => $request->tanggalmasuk,
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'grandtotal' => $request->grandtotalnon,
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'created_at' => date('Y-m-d H:i:s'),
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]);
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// Update stock
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FacadesDB::table('produk')->where('namaproduk', $namabarang)->increment('stok', $request->jumlah[$key]);
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}
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return redirect('barangmasuk')->with('success', 'Data Berhasil Ditambahkan');
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}
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public function barangmasukhapus($notabeli)
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{
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FacadesDB::table('barangmasuk')->where('notabeli', $notabeli)->delete();
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return redirect('barangmasuk')->with('success', 'Data Berhasil Dihapus');
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}
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// Barang keluar
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public function barangkeluar()
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{
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$data['barangkeluar'] = FacadesDB::table('barangkeluar')->Join('produk', 'barangkeluar.idproduk', '=', 'produk.idproduk')->get();
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return view('admin.barangkeluar', $data);
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}
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public function barangkeluartambah()
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{
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$data['produk'] = FacadesDB::table('produk')->get();
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return view('admin.barangkeluartambah', $data);
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}
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public function barangkeluartambahsimpan(Request $request)
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{
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$request->validate([
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'idproduk' => 'required',
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'jumlah' => 'required|numeric',
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'keterangan' => 'required',
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'tanggalkeluar' => 'required|date',
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]);
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FacadesDB::table('barangkeluar')->insert([
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'idproduk' => $request->input('idproduk'),
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'jumlah' => $request->input('jumlah'),
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'keterangan' => $request->input('keterangan'),
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'tanggalkeluar' => $request->input('tanggalkeluar'),
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]);
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$stokOld = FacadesDB::table('produk')->where('idproduk', $request->input('idproduk'))->first()->stok;
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$newStok = $stokOld - $request->input('jumlah');
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FacadesDB::table('produk')->where('idproduk', $request->input('idproduk'))->update([
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'stok' => $newStok,
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]);
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return redirect('barangkeluar')->with('success', 'Data Berhasil Ditambahkan');
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}
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public function barangkeluarhapus($id)
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{
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FacadesDB::table('barangkeluar')->where('idbarangkeluar', $id)->delete();
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return redirect('barangkeluar')->with('success', 'Data Berhasil Dihapus');
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}
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// Pengguna
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public function penggunadaftar()
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{
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$data['pengguna'] = FacadesDB::table('users')->where('id', '!=', Auth::user()->id)->get();
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return view('admin.penggunadaftar', $data);
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}
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public function penggunatambah()
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{
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return view('admin.penggunatambah');
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}
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public function penggunatambahsimpan(Request $request)
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{
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$request->validate([
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'name' => 'required',
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'email' => 'required',
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'password' => 'required',
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'role' => 'required',
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'username' => 'required',
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]);
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FacadesDB::table('users')->insert([
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'name' => $request->input('name'),
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'username' => $request->input('username'),
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'email' => $request->input('email'),
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'password' => bcrypt($request->input('password')),
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'role' => $request->input('role'),
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]);
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return redirect('penggunadaftar')->with('success', 'Data Berhasil Ditambahkan');
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}
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public function penggunaedit($id)
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{
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$data['pengguna'] = FacadesDB::table('users')->where('id', $id)->first();
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return view('admin.penggunaedit', $data);
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}
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public function penggunaeditsimpan(Request $request, $id)
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{
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$request->validate([
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'name' => 'required',
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'email' => 'required',
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'role' => 'required',
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'username' => 'required',
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]);
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$data = [
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'name' => $request->input('name'),
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'username' => $request->input('username'),
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'email' => $request->input('email'),
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'role' => $request->input('role'),
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];
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if ($request->input('password')) {
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$data['password'] = bcrypt($request->input('password'));
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}
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FacadesDB::table('users')->where('id', $id)->update($data);
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return redirect('penggunadaftar')->with('success', 'Data Berhasil Diubah');
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}
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public function penggunahapus($id)
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{
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FacadesDB::table('users')->where('id', $id)->delete();
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return redirect('penggunadaftar')->with('success', 'Data Berhasil Dihapus');
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}
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// Profile
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public function profile()
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{
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$data['profile'] = FacadesDB::table('users')->where('id', Auth::user()->id)->first();
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return view('admin.profile', $data);
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}
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public function profileupdate(Request $request)
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{
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$request->validate([
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'name' => 'required',
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'username' => 'required',
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'email' => 'required',
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]);
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$data = [
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'name' => $request->input('name'),
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'username' => $request->input('username'),
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'email' => $request->input('email'),
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];
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if ($request->input('password')) {
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$data['password'] = bcrypt($request->input('password'));
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}
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FacadesDB::table('users')->where('id', Auth::user()->id)->update($data);
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return redirect('profile')->with('success', 'Data Berhasil Diubah');
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}
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public function penjualandaftar()
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{
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// Ambil data penjualan yang dikelompokkan berdasarkan 'notajual'
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$data['penjualan'] = FacadesDB::table('penjualan')
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->select('notajual', 'tanggalpenjualan', 'grandtotal')
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->groupBy('notajual')
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->orderBy('idpenjualan', 'desc')
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->get();
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// Buat array untuk menyimpan detail penjualan
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$penjualanDetail = [];
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// Loop untuk setiap penjualan dan ambil detailnya
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foreach ($data['penjualan'] as $value) {
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$penjualanDetail[$value->notajual] = FacadesDB::table('penjualan')
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->where('notajual', $value->notajual)
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->get();
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}
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// Tambahkan detail penjualan ke data yang akan dikirim ke view
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$data['penjualandetail'] = $penjualanDetail;
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// dd($data);
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return view('admin.penjualandaftar', $data);
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}
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public function penjualantambah()
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{
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$data['barang'] = FacadesDB::table('produk')->get();
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return view('admin.penjualantambah', $data);
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}
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public function penjualantambahsimpan(Request $request)
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{
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$notajual = now()->format('Ymdhis');
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foreach ($request->namabarang as $key => $namabarang) {
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$stok = FacadesDB::table('produk')->where('namaproduk', $namabarang)->select('stok')->first();
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if ($stok->stok < $request->jumlah[$key]) {
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return redirect('penjualantambah')->with('error', 'Jumlah pembelian melebihi stok');
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}
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FacadesDB::table('penjualan')->insert([
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'notajual' => $notajual,
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'namabarang' => $namabarang,
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'harga' => $request->harga[$key],
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'jumlah' => $request->jumlah[$key],
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'total' => $request->total[$key],
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'tanggalpenjualan' => $request->tanggalpenjualan,
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'grandtotal' => $request->grandtotalnon,
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'uangpembeli' => $request->uangpembeli,
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'kembalian' => $request->kembalian,
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'metodepembayaran' => $request->metodepembayaran,
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'potongan' => $request->potongan[$key],
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]);
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// Update stock
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FacadesDB::table('produk')->where('namaproduk', $namabarang)->decrement('stok', $request->jumlah[$key]);
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}
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// dd($request);
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return redirect('notapenjualan/' . $notajual);
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}
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public function penjualanhapus($id)
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{
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FacadesDB::table('penjualan')->where('notajual', $id)->delete();
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return redirect('penjualan')->with('success', 'Data Berhasil Dihapus');
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}
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public function cetaknotapenjualan($id)
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{
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// Ambil data penjualan yang dikelompokkan berdasarkan 'notajual'
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$data['penjualan'] = FacadesDB::table('penjualan')
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->select('*')
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->groupBy('notajual')
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->orderBy('idpenjualan', 'desc')
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->where('notajual', $id)->first();
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// Buat array untuk menyimpan detail penjualan
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$penjualanDetail = [];
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// Loop untuk setiap penjualan dan ambil detailnya
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$penjualanDetail[$data['penjualan']->notajual] = FacadesDB::table('penjualan')
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->where('notajual', $data['penjualan']->notajual)
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->get();
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// Tambahkan detail penjualan ke data yang akan dikirim ke view
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$data['penjualandetail'] = $penjualanDetail;
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return view('admin.cetaknotapenjualan', $data);
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}
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public function cetakfakturpenjualan($id)
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{
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// Ambil data penjualan yang dikelompokkan berdasarkan 'notajual'
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$data['penjualan'] = FacadesDB::table('penjualan')
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->select('*')
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->groupBy('notajual')
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->orderBy('idpenjualan', 'desc')
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->where('notajual', $id)->first();
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// Buat array untuk menyimpan detail penjualan
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$penjualanDetail = [];
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// Loop untuk setiap penjualan dan ambil detailnya
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$penjualanDetail[$data['penjualan']->notajual] = FacadesDB::table('penjualan')
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->where('notajual', $data['penjualan']->notajual)
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->get();
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// Tambahkan detail penjualan ke data yang akan dikirim ke view
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$data['penjualandetail'] = $penjualanDetail;
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// dd($data);
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return view('admin.cetakfakturpenjualan', $data);
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}
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public function pelanggan()
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{
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// Get all pelanggan records
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$data['pelanggan'] = FacadesDB::table('pelanggan')->get();
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// Getting unique visit counts for each pelanggan based on distinct notajual
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$visitCounts = FacadesDB::table('penjualan')
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->select('idpelanggan', FacadesDB::raw('COUNT(DISTINCT notajual) as visit_count'))
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->groupBy('idpelanggan')
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->pluck('visit_count', 'idpelanggan');
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// Preparing the visit array
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$data['visit'] = [];
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foreach ($data['pelanggan'] as $value) {
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// Default to 0 if not found
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$data['visit'][$value->idpelanggan] = $visitCounts->get($value->idpelanggan, 0);
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}
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return view('admin.pelanggandaftar', $data);
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}
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public function pelanggantambah()
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{
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return view('admin.pelanggantambah');
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}
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public function pelanggantambahsimpan(Request $request)
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{
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$request->validate([
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'namapelanggan' => 'required',
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'alamat' => 'required',
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'nohp' => 'required|numeric',
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]);
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FacadesDB::table('pelanggan')->insert([
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'namapelanggan' => $request->input('namapelanggan'),
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'alamat' => $request->input('alamat'),
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'nohp' => $request->input('nohp'),
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]);
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return redirect('pelanggandaftar')->with('success', 'Data Berhasil Ditambahkan');
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}
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public function pelangganedit($id)
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{
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$data['pelanggan'] = FacadesDB::table('pelanggan')->where('idpelanggan', $id)->first();
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return view('admin.pelangganedit', $data);
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}
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public function pelanggandetail($id)
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{
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$data['penjualan'] = FacadesDB::table('penjualan')
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->select('notajual', 'tanggalpenjualan', 'grandtotal')
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->where('idpelanggan', $id)
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->groupBy('notajual')
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->orderBy('idpenjualan', 'desc')
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->get();
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// Buat array untuk menyimpan detail penjualan
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$penjualanDetail = [];
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// Loop untuk setiap penjualan dan ambil detailnya
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foreach ($data['penjualan'] as $value) {
|
|
$penjualanDetail[$value->notajual] = FacadesDB::table('penjualan')
|
|
->where('notajual', $value->notajual)
|
|
->get();
|
|
}
|
|
|
|
// Tambahkan detail penjualan ke data yang akan dikirim ke view
|
|
$data['penjualandetail'] = $penjualanDetail;
|
|
|
|
$data['namapelanggan'] = FacadesDB::table('pelanggan')
|
|
->select('namapelanggan')
|
|
->where('idpelanggan', $id)
|
|
->first()
|
|
->namapelanggan;
|
|
|
|
return view('admin.pelanggandetail', $data);
|
|
}
|
|
|
|
public function pelangganeditsimpan(Request $request, $id)
|
|
{
|
|
$request->validate([
|
|
'namapelanggan' => 'required',
|
|
'alamat' => 'required',
|
|
'nohp' => 'required|numeric',
|
|
]);
|
|
|
|
FacadesDB::table('pelanggan')->where('idpelanggan', $id)->update([
|
|
'namapelanggan' => $request->input('namapelanggan'),
|
|
'alamat' => $request->input('alamat'),
|
|
'nohp' => $request->input('nohp'),
|
|
]);
|
|
|
|
|
|
return redirect('pelanggandaftar')->with('success', 'Data Berhasil Diubah');
|
|
}
|
|
|
|
public function pelangganhapus($id)
|
|
{
|
|
FacadesDB::table('pelanggan')->where('idpelanggan', $id)->delete();
|
|
return back()->with('success', 'Data Berhasil Dihapus');
|
|
}
|
|
|
|
public function supplier()
|
|
{
|
|
// Get all supplier records
|
|
$data['supplier'] = FacadesDB::table('supplier')->get();
|
|
return view('admin.supplierdaftar', $data);
|
|
}
|
|
|
|
|
|
public function suppliertambah()
|
|
{
|
|
return view('admin.suppliertambah');
|
|
}
|
|
|
|
public function suppliertambahsimpan(Request $request)
|
|
{
|
|
$request->validate([
|
|
'namasupplier' => 'required',
|
|
'alamatsupplier' => 'required',
|
|
'nohpsupplier' => 'required|numeric',
|
|
]);
|
|
|
|
FacadesDB::table('supplier')->insert([
|
|
'namasupplier' => $request->input('namasupplier'),
|
|
'alamatsupplier' => $request->input('alamatsupplier'),
|
|
'nohpsupplier' => $request->input('nohpsupplier'),
|
|
]);
|
|
|
|
return redirect('supplierdaftar')->with('success', 'Data Berhasil Ditambahkan');
|
|
}
|
|
|
|
public function supplieredit($id)
|
|
{
|
|
$data['supplier'] = FacadesDB::table('supplier')->where('idsupplier', $id)->first();
|
|
return view('admin.supplieredit', $data);
|
|
}
|
|
|
|
public function suppliereditsimpan(Request $request, $id)
|
|
{
|
|
$request->validate([
|
|
'namasupplier' => 'required',
|
|
'alamatsupplier' => 'required',
|
|
'nohpsupplier' => 'required|numeric',
|
|
]);
|
|
|
|
FacadesDB::table('supplier')->where('idsupplier', $id)->update([
|
|
'namasupplier' => $request->input('namasupplier'),
|
|
'alamatsupplier' => $request->input('alamatsupplier'),
|
|
'nohpsupplier' => $request->input('nohpsupplier'),
|
|
]);
|
|
|
|
|
|
return redirect('supplierdaftar')->with('success', 'Data Berhasil Diubah');
|
|
}
|
|
|
|
public function supplierhapus($id)
|
|
{
|
|
FacadesDB::table('supplier')->where('idsupplier', $id)->delete();
|
|
return back()->with('success', 'Data Berhasil Dihapus');
|
|
}
|
|
|
|
|
|
public function laporanpenjualan(Request $request)
|
|
{
|
|
$tanggalAwal = $request->input('tanggal_awal');
|
|
$tanggalAkhir = $request->input('tanggal_akhir');
|
|
|
|
$query = FacadesDB::table('penjualan');
|
|
|
|
if ($tanggalAwal && $tanggalAkhir) {
|
|
$query->whereBetween('tanggalpenjualan', [$tanggalAwal, $tanggalAkhir]);
|
|
}
|
|
|
|
$sales = $query->orderBy('tanggalpenjualan', 'desc')->get();
|
|
|
|
$totalPemasukan = $sales->sum('total');
|
|
|
|
// Check the action from the request
|
|
if ($request->input('action') === 'cetak') {
|
|
// Load the view for the PDF
|
|
$pdf = FacadePdf::loadView('admin.laporanpenjualancetak', [
|
|
'sales' => $sales,
|
|
'totalPemasukan' => $totalPemasukan,
|
|
'tanggalAwal' => $tanggalAwal,
|
|
'tanggalAkhir' => $tanggalAkhir,
|
|
]);
|
|
|
|
// Return the PDF to the browser
|
|
return $pdf->download('laporan_penjualan.pdf');
|
|
}
|
|
|
|
// Return the view with the sales data for the search action
|
|
return view('admin.laporanpenjualan', compact('sales', 'totalPemasukan', 'tanggalAwal', 'tanggalAkhir'));
|
|
}
|
|
|
|
public function laporanpembelian(Request $request)
|
|
{
|
|
$tanggalAwal = $request->input('tanggal_awal');
|
|
$tanggalAkhir = $request->input('tanggal_akhir');
|
|
|
|
$query = FacadesDB::table('barangmasuk');
|
|
|
|
if ($tanggalAwal && $tanggalAkhir) {
|
|
$query->whereBetween('tanggalmasuk', [$tanggalAwal, $tanggalAkhir]);
|
|
}
|
|
|
|
$sales = $query->orderBy('tanggalmasuk', 'desc')->get();
|
|
|
|
$totalPembelian = $sales->sum('total');
|
|
|
|
// Check the action from the request
|
|
if ($request->input('action') === 'cetak') {
|
|
// Load the view for the PDF
|
|
$pdf = FacadePdf::loadView('admin.laporanpembeliancetak', [
|
|
'sales' => $sales,
|
|
'totalPembelian' => $totalPembelian,
|
|
'tanggalAwal' => $tanggalAwal,
|
|
'tanggalAkhir' => $tanggalAkhir,
|
|
]);
|
|
|
|
// Return the PDF to the browser
|
|
return $pdf->download('laporan_pembelian.pdf');
|
|
}
|
|
|
|
// Return the view with the sales data for the search action
|
|
return view('admin.laporanpembelian', compact('sales', 'totalPembelian', 'tanggalAwal', 'tanggalAkhir'));
|
|
}
|
|
|
|
public function laporanlabarugi(Request $request)
|
|
{
|
|
$tanggalawal = $request->input('tanggal_awal', now()->toDateString());
|
|
$tanggalakhir = $request->input('tanggal_akhir', now()->toDateString());
|
|
|
|
// Query untuk menghitung total penjualan per produk
|
|
$penjualan = FacadesDB::table('penjualan')
|
|
->select('namabarang', FacadesDB::raw('SUM(total) as total_penjualan'))
|
|
->whereBetween('tanggalpenjualan', [$tanggalawal, $tanggalakhir])
|
|
->groupBy('namabarang')
|
|
->get();
|
|
|
|
// Query untuk menghitung total pembelian per produk
|
|
$pembelian = FacadesDB::table('barangmasuk')
|
|
->select('namaproduk', FacadesDB::raw('SUM(total) as total_pembelian'))
|
|
->whereBetween('tanggalmasuk', [$tanggalawal, $tanggalakhir])
|
|
->groupBy('namaproduk')
|
|
->get();
|
|
|
|
// // Konversi hasil query ke array untuk digunakan di view
|
|
// $data_penjualan = [];
|
|
// foreach ($penjualan as $pjl) {
|
|
// $data_penjualan[$pjl->namabarang] = ['total_penjualan' => $pjl->total_penjualan];
|
|
// }
|
|
|
|
// $data_pembelian = [];
|
|
// foreach ($pembelian as $pbl) {
|
|
// $data_pembelian[$pbl->namaproduk] = ['total_pembelian' => $pbl->total_pembelian];
|
|
// }
|
|
$data_penjualan = $penjualan->keyBy('namabarang')->toArray();
|
|
$data_pembelian = $pembelian->keyBy('namaproduk')->toArray();
|
|
|
|
// Hitung total pendapatan, beban pokok, dan laba kotor
|
|
$total_pendapatan = array_sum(array_column($data_penjualan, 'total_penjualan'));
|
|
$total_beban_pokok = array_sum(array_column($data_pembelian, 'total_pembelian'));
|
|
$laba_kotor = $total_pendapatan - $total_beban_pokok;
|
|
|
|
// dd(compact('data_penjualan', 'data_pembelian', 'total_pendapatan', 'total_beban_pokok', 'laba_kotor' ,'tanggalawal', 'tanggalakhir'));
|
|
// Check the action from the request
|
|
if ($request->input('action') === 'cetak') {
|
|
// Load the view for the PDF
|
|
$pdf = FacadePdf::loadView('admin.laporanlabarugicetak', [
|
|
'data_penjualan' => $data_penjualan,
|
|
'data_pembelian' => $data_pembelian,
|
|
'total_pendapatan' => $total_pendapatan,
|
|
'total_beban_pokok' => $total_beban_pokok,
|
|
|
|
'tanggalAwal' => $tanggalawal,
|
|
'tanggalAkhir' => $tanggalakhir,
|
|
]);
|
|
|
|
// Return the PDF to the browser
|
|
return $pdf->download('laporan_labarugi.pdf');
|
|
}
|
|
|
|
return view('admin.laporanlabarugi', compact('data_penjualan', 'data_pembelian', 'total_pendapatan', 'total_beban_pokok', 'laba_kotor', 'tanggalawal', 'tanggalakhir'));
|
|
}
|
|
|
|
public function peramalan(Request $request)
|
|
{
|
|
$tanggal_awal = $request->input('tanggal_awal', date('Y-m-01')); // Default awal bulan ini
|
|
$tanggal_akhir = $request->input('tanggal_akhir', date('Y-m-t')); // Default akhir bulan ini
|
|
$periode = $request->input('periode', 3); // Default 3 bulan
|
|
|
|
$penjualan = FacadesDB::table('penjualan')
|
|
->select(FacadesDB::raw('DATE_FORMAT(tanggalpenjualan, "%Y-%m") as bulan'), FacadesDB::raw('SUM(jumlah) as jumlahtotal'))
|
|
->whereBetween('tanggalpenjualan', [$tanggal_awal, $tanggal_akhir]) // Filter tanggal
|
|
->groupBy('bulan')
|
|
->orderBy('bulan', 'asc')
|
|
->get();
|
|
|
|
$data_penjualan = [];
|
|
foreach ($penjualan as $p) {
|
|
$data_penjualan[] = ['bulan' => $p->bulan, 'jumlahtotal' => $p->jumlahtotal];
|
|
}
|
|
|
|
usort($data_penjualan, function ($a, $b) {
|
|
return strcmp($a['bulan'], $b['bulan']);
|
|
});
|
|
|
|
$moving_averages = [];
|
|
$grafik = [];
|
|
|
|
if (count($data_penjualan) >= $periode) {
|
|
for ($i = $periode - 1; $i < count($data_penjualan); $i++) {
|
|
$sum = 0;
|
|
for ($j = 0; $j < $periode; $j++) {
|
|
$sum += $data_penjualan[$i - $j]['jumlahtotal'];
|
|
}
|
|
$rata2 = $sum / $periode;
|
|
$moving_averages[] = [
|
|
'tanggal' => $data_penjualan[$i]['bulan'],
|
|
'rata2' => round($rata2, 2)
|
|
];
|
|
|
|
$grafik[] = [
|
|
'bulan' => $data_penjualan[$i]['bulan'],
|
|
'jumlah' => $data_penjualan[$i]['jumlahtotal'],
|
|
'prediksi' => round($rata2, 2)
|
|
];
|
|
}
|
|
|
|
// Prediksi bulan berikutnya
|
|
$sum = 0;
|
|
for ($k = count($data_penjualan) - $periode; $k < count($data_penjualan); $k++) {
|
|
$sum += $data_penjualan[$k]['jumlahtotal'];
|
|
}
|
|
$prediksi = $sum / $periode;
|
|
|
|
$lastMonth = end($data_penjualan)['bulan'];
|
|
$nextMonth = date('Y-m', strtotime($lastMonth . ' +1 month'));
|
|
|
|
$moving_averages[] = [
|
|
'tanggal' => $nextMonth,
|
|
'rata2' => round($prediksi, 2)
|
|
];
|
|
|
|
$grafik[] = [
|
|
'bulan' => $nextMonth,
|
|
'jumlah' => null,
|
|
'prediksi' => round($prediksi, 2)
|
|
];
|
|
}
|
|
|
|
return view('admin.peramalan', compact('data_penjualan', 'moving_averages', 'periode', 'grafik', 'tanggal_awal', 'tanggal_akhir'));
|
|
}
|
|
|
|
public function peramalanhasil(Request $request)
|
|
{
|
|
$tanggal_awal = $request->input('tanggal_awal', date('Y-m-01')); // Default awal bulan ini
|
|
$tanggal_akhir = $request->input('tanggal_akhir', date('Y-m-t')); // Default akhir bulan ini
|
|
$periode = $request->input('periode', 3); // Default 3 bulan
|
|
|
|
$penjualan = FacadesDB::table('penjualan')
|
|
->select(FacadesDB::raw('DATE_FORMAT(tanggalpenjualan, "%Y-%m") as bulan'), FacadesDB::raw('SUM(jumlah) as jumlahtotal'))
|
|
->whereBetween('tanggalpenjualan', [$tanggal_awal, $tanggal_akhir]) // Filter tanggal
|
|
->groupBy('bulan')
|
|
->orderBy('bulan', 'asc')
|
|
->get();
|
|
|
|
$data_penjualan = [];
|
|
foreach ($penjualan as $p) {
|
|
$data_penjualan[] = ['bulan' => $p->bulan, 'jumlahtotal' => $p->jumlahtotal];
|
|
}
|
|
|
|
usort($data_penjualan, function ($a, $b) {
|
|
return strcmp($a['bulan'], $b['bulan']);
|
|
});
|
|
|
|
$moving_averages = [];
|
|
$grafik = [];
|
|
$errors = [];
|
|
$mape = 0;
|
|
|
|
if (count($data_penjualan) >= $periode) {
|
|
for ($i = $periode - 1; $i < count($data_penjualan); $i++) {
|
|
$sum = 0;
|
|
for ($j = 0; $j < $periode; $j++) {
|
|
$sum += $data_penjualan[$i - $j]['jumlahtotal'];
|
|
}
|
|
$rata2 = $sum / $periode;
|
|
$actual = $data_penjualan[$i]['jumlahtotal'];
|
|
|
|
// MAPE Calculation
|
|
$error = abs(($actual - $rata2) / $actual) * 100;
|
|
$errors[] = $error;
|
|
|
|
$moving_averages[] = [
|
|
'tanggal' => $data_penjualan[$i]['bulan'],
|
|
'rata2' => round($rata2, 2),
|
|
'error' => round($error, 2)
|
|
];
|
|
|
|
$grafik[] = [
|
|
'bulan' => $data_penjualan[$i]['bulan'],
|
|
'jumlah' => $actual,
|
|
'prediksi' => round($rata2, 2)
|
|
];
|
|
}
|
|
|
|
// Hitung MAPE rata-rata
|
|
if (count($errors) > 0) {
|
|
$mape = array_sum($errors) / count($errors);
|
|
}
|
|
|
|
// Prediksi bulan berikutnya
|
|
$sum = 0;
|
|
for ($k = count($data_penjualan) - $periode; $k < count($data_penjualan); $k++) {
|
|
$sum += $data_penjualan[$k]['jumlahtotal'];
|
|
}
|
|
$prediksi = $sum / $periode;
|
|
|
|
$lastMonth = end($data_penjualan)['bulan'];
|
|
$nextMonth = date('Y-m', strtotime($lastMonth . ' +1 month'));
|
|
|
|
$moving_averages[] = [
|
|
'tanggal' => $nextMonth,
|
|
'rata2' => round($prediksi, 2),
|
|
'error' => null // Tidak ada error untuk prediksi bulan depan
|
|
];
|
|
$grafik[] = [
|
|
'bulan' => $nextMonth,
|
|
'jumlah' => null,
|
|
'prediksi' => round($prediksi, 2)
|
|
];
|
|
}
|
|
|
|
return view('admin.peramalanhasil', compact('data_penjualan', 'moving_averages', 'periode', 'grafik', 'tanggal_awal', 'tanggal_akhir', 'mape'));
|
|
}
|
|
}
|