party-rank-server/app/Http/Controllers/Api/RankController.php

<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use App\Models\{PartyUser, PartyCate, UserRank, CateRank};
use Illuminate\Validation\Rule;

class RankController extends Controller
{
    // 本季度排名
    public function index(Request $request)
    {
        $request->validate([
            // user: 党员, cate: 党支部
            'type' => ['required', Rule::in(['user', 'cate'])]
        ]);
        $type = $request->input('type', 'user');
        $query = match($type) {
            'user' => PartyUser::query(),
            'cate' => PartyCate::query(),
        };
        $query->orderBy('current_score', 'desc');
        if ($request->filled('limit')) {
            $query->limit($request->input('limit'));
        }
        $list = $query->get();
        $rankList = [];
        foreach ($list as $index => $item) {
            $rankList[] = [
                'id' => $item->id,
                'name' => $item->name,
                'rank' => $index + 1,
                'score' => $item->current_score,
            ];
        }

        return $this->response()->success($rankList);
    }

    // 获取已有的期数
    public function dates(Request $request)
    {
        $request->validate([
            // user: 党员排名期数, cate: 党支部排名期数
            'type' => ['required', Rule::in(['user', 'cate'])]
        ]);
        $type = $request->input('type', 'user');
        $query = match($type) {
            'user' => UserRank::query(),
            'cate' => CateRank::query(),
        };
        $list = $query->select('sn')->groupBy('sn')->pluck('sn');

        return $this->response()->success($list);
    }

    // 党员其他季度的排名记录
    public function list(Request $request)
    {
        $request->validate([
            // 期数
            'sn' => 'required',
             // user: 党员, cate: 党支部
             'type' => ['required', Rule::in(['user', 'cate'])]
        ]);
        $type = $request->input('type', 'user');
        $query = match($type) {
            'user' => UserRank::query(),
            'cate' => CateRank::query(),
        };
        $list = $query->with([$type])->where('sn', $request->input('sn'))->orderBy('score', 'desc')->get();
        $rankList = [];
        foreach ($list as $index => $item) {
            $rankList[] = [
                'id' => $item->id,
                'name' => match($type) {
                    'user' => $item->user?->name,
                    'cate' => $item->cate?->name,
                },
                'rank' => $index + 1,
                'score' => $item->score,
            ];
        }

        return $this->response()->success($rankList);
    }
}