代码学习总结

        return $this->wrapTransaction(function () use ($request) {
            $periods = $request->input('periods', []);
            $teacherId = $request->input('teacher_id', 0);
            $action = $request->input('action', 'camp-on');
            $role = $request->input('role', 'user');
            ScheduleModule::getDomainService()->bookSchedules(
                $teacherId,
                $periods,
                $action,
                $role
            );
            return '';
        }, 'bookSchedule');

    protected function wrapTransaction($callable, $funcKey)
    {
        try {
            DB::beginTransaction();
            $result = $callable();
            DB::commit();
            return $this->response($result);
        } catch (\Exception $ex) {
            DB::rollback();
            \Log::error($funcKey);
            $code = $ex->getCode();
            \Log::error($code . ' ' . $ex->getMessage() . ' ' . $ex->getTraceAsString());
            if (empty($code)) {
                $code = -1;
            }
            return $this->response(null, $code, $ex->getMessage());
        }
    }

        $schedules = $schedules->filter(function ($item) {
            // 如果某天零点时间大于time()时间，那么就选取某天的零点时间
            if (strtotime($item->dateFrom) > time()) {
                $time = strtotime($item->dateFrom); // 获取开始时间
            } else {
                // 否则就获取当天日期加现在的时间点的时间戳
                $time = strtotime(explode(' ', $item->dateFrom)[0] . ' ' . date('H:i:s'));
            }
            // 获取开始时间
            $timeLimit = self::filterStartTime($time);
            return $item->timeFrom >= $timeLimit;
        });
        //按日期分组
        $schedules = $schedules->mapToGroups(function ($item) {
            $key = explode(' ', $item->dateFrom)[0];
            return [$key =>
                [
                    'date' => $key,
                    'time_from' => $item->timeFrom,
                    'time_to' => $item->timeTo,
                    'is_free' => $item->isFree,
                ]
            ];
        })->toArray();

        $start = date('Y-m-d H:i:s', max(time(), strtotime($month)));
        $end = date('Y-m-t 23:59:59', strtotime($month)); // 当月最后一天的函数