exchange-2.0/app/Http/Controllers/Currencies/Rates/RateHistoriesController.php

<?php

namespace App\Http\Controllers\Currencies\Rates;

use App\Models\CurrencyRate;
use App\Models\CurrencyRateLog;
use Illuminate\Http\Request;

class RateHistoriesController
{
    public function histories(Request $request)
    {
        $query = CurrencyRate::query();

        // $query->when($request->filled('currency_id'), function ($query) use ($request) {
        //     return $query->where('currency_id', '=', $request->input('currency_id'));
        // });
        // $query->when($request->filled('service_id'), function ($query) use ($request) {
        //     return $query->where('service_id', '=', $request->input('service_id'));
        // });
        // $query->when($request->filled('payment_methid_type'), function ($query) use ($request) {
        //     return $query->where('payment_method_type', '=', $request->input('payment_methid_type'));
        // });

        $query->when(true, function ($query) {
            return $query->where('currency_id', '=', 2);
        });
        $query->when(true, function ($query) {
            return $query->where('service_id', '=', 1);
        });
        $query->when(true, function ($query) {
            return $query->where('payment_method_type', '=', 1);
        });

        $currency_rate_id = $query->value('id');

        $results = CurrencyRateLog::select('selling', \DB::raw("DATE_FORMAT(updated_at, '%d') as date"))
        ->where('currency_rate_id', $currency_rate_id)
        ->groupBy('date')->get();

        $daysInMonth = collect(range(1, date('t')));

        $merged = $daysInMonth->map(function ($day) use ($results) {
            $result = $results->firstWhere('date', $day);

            return $result ? $result->selling : '';
        });

        $labels = $daysInMonth->map(function ($day) {
            return date('d', strtotime(date('Y-m')."-$day"));
        });

        $data = [
            'labels' => $labels,
            'datasets' => [
                [
                    'label' => 'Day Wise Report',
                    'data' => $merged,
                    'fill' => false,
                    'borderColor' => 'rgb(75, 192, 192)',
                    'tension' => 0.1,
                ],
            ],
        ];

        return view('pages.rate_histories', compact('data'));
    }
}