parking_manage_system/app/Http/Controllers/Admin/LicensePlateRecognitionController.php

<?php

namespace App\Http\Controllers\Admin;

use App\Models\LicensePlateRecognition;
use Exception;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class LicensePlateRecognitionController extends BaseController
{

    public function index(Request $request): JsonResponse
    {
        try {
            $query = LicensePlateRecognition::query();

            if ($request->has('start_time') && $request->has('end_time')) {
                $start_time = $request->input('start_time');
                $end_time = $request->input('end_time');
                if (strtotime($start_time) && strtotime($end_time)) {
                    $query->whereBetween('time_slot', [$start_time, $end_time]);
                }
            }

            // 分页
            $page = $request->input('page', 1);
            $perPage = $request->input('per_page', 10);

            $columns = ['time_slot'];

            $total = 0;
            $all = $query->groupBy('time_slot')->select($columns)->get();
            if ($all) {
                $total = count($all);
            }
            $items = $query->groupBy(['time_slot'])->latest('time_slot')
                ->forPage($page, $perPage)->get()->each(function ($item) {
                    $countData = $this->getCount($item['time_slot']);
                    $item['sum_count'] = $countData['sum_count'];
                    $item['high_ratio'] = $countData['high_ratio'];
                    $item['middle_ratio'] = $countData['middle_ratio'];
                    $item['manual_count'] = $countData['manual_count'];
                    $item['manual_ratio'] = $countData['manual_ratio'];
                    return $item;
                });
            return $this->responseService->success([
                'items'     => $items,
                'total'     => $total,
                'page'      => $page,
                'per_page'  => $perPage,
                'last_page' => ceil($total / $perPage),
            ]);
        } catch (Exception $e) {
            $m_prefix = __('exception.exception_handler.resource');
            return $this->responseService->systemError(
                $m_prefix . '：' . $e->getMessage()
            );
        }
    }

    protected function getCount($time_slot)
    {
        $manualWhere = $highWhere = $middleWhere = $where = [
            'time_slot' => $time_slot
        ];
        $where['manual_modification'] = 0;
        $sumCount = LicensePlateRecognition::query()->where($where)
            ->count();
        $highWhere['recognition'] = 5;
        $highCount = LicensePlateRecognition::query()->where(
            $highWhere
        )->count();
        $middleWhere['recognition'] = 1;
        $middleCount = LicensePlateRecognition::query()->where(
            $middleWhere
        )->count();
        $manualWhere['manual_modification'] = 1;
        $manualCount = LicensePlateRecognition::query()->where(
            $manualWhere
        )->count();
        return [
            'sum_count'    => $sumCount,
            'high_count'   => $highCount,
            'middle_count' => $middleCount,
            'manual_count' => $manualCount,
            'high_ratio'   => get_ratio($sumCount, $highCount),
            'middle_ratio' => get_ratio($sumCount, $middleCount),
            'manual_ratio' => get_ratio($sumCount, $manualCount)
        ];
    }

    public function curveGraph(Request $request): JsonResponse
    {
        try {
            $query = LicensePlateRecognition::query();
            if ($request->has('start_time') && $request->has('end_time')) {
                $start_time = $request->input('start_time');
                $end_time = $request->input('end_time');
                if (strtotime($start_time) && strtotime($end_time)) {
                    $query->whereBetween('time_slot', [$start_time, $end_time]);
                }
            }
            // 分页
            $page = 1;
            $perPage = 16;
            $items = $query->groupBy(['time_slot'])->latest('time_slot')
                ->forPage($page, $perPage)->select('time_slot')->get()
                ->each(function ($item) {
                    $countData = $this->getCount($item['time_slot']);
                    $item['high_ratio'] = $countData['high_ratio'];
                    $item['middle_ratio'] = $countData['middle_ratio'];
                    $item['manual_ratio'] = $countData['manual_ratio'];
                    return $item;
                });
            return $this->responseService->success($items);
        } catch (Exception $e) {
            $m_prefix = __('exception.exception_handler.resource');
            return $this->responseService->systemError(
                $m_prefix . '：' . $e->getMessage()
            );
        }
    }
}