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

<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use App\Models\{PartyUser, UserRank};

class UserRankController extends Controller
{
    // 党员排名
    public function index(Request $request)
    {
        $query = PartyUser::query();
        if ($request->filled('limit')) {
            $query->limit($request->input('limit'));
        }
        
        $user = auth('api')->user();
        // 当前用户的排名
        $current = ['score' => '-', 'rank' => '-'];

        $list = $query->orderBy('current_score', 'desc')->get();
        $rankList = [];
        foreach($list as $index => $item) {
            $rankItem = [
                'id' => $item->id,
                'name' => $item->name,
                'rank' => $index + 1,
                'score' => $item->current_score
            ];
            $rankList[] = $rankItem;
            if ($user && $rankItem['id'] == $user->id) {
                $current['rank'] = $rankItem['rank'];
                $current['score'] = $rankItem['score'];
            }
        }

        return $this->response()->success(['list' => $rankList, 'current' => $current]);
    }

    // 党员排名期数
    public function dates()
    {
        $query = UserRank::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',
        ]);
        $list = UserRank::with(['user'])
            ->where('sn', $request->input('sn'))
            ->orderBy('score', 'desc')
            ->get();
        $rankList = [];
        $user = auth('api')->user();
        // 当前用户所在的支部排名
        $current = ['score' => '-', 'rank' => '-', 'cate' => ''];
        foreach ($list as $index => $item) {
            $rankItem = [
                'id' => $item->id,
                'name' => $item->user?->name,
                'rank' => $index + 1,
                'score' => $item->score,
            ];
            $rankList[] = $rankItem;

            if ($user && $rankItem['id'] == $user->cate_id) {
                $current['cate'] = $rankItem['name'];
                $current['rank'] = $rankItem['rank'];
                $current['score'] = $rankItem['score'];
            }
        }

        return $this->response()->success(['list' => $rankList, 'current' => $current]);
    }
}