How to round up to the lower threshold or to the upper threshold in a request for a tariff, if there is no lower threshold?

Question

Laravel

Good afternoon.
There is such a structure:
services
-------------
id
prices
-------------
service_id
days
price
In the final order table, I need to generate a price according to this principle. For example, for one service in the prices
table there are records: id | service_id | days | price -------------------------------------------------- 1 | 1 | 3 | 100 2 | 1 | 5 | 200 3 | 1 | 10 | 300

I need this option to be selected if there is a lower threshold value, or if the current one corresponds, for example:
Select 4 days, get - record with id=1
Select 5 days, get - record with id=2
Select 22 days, get - record with id=3
If there is no lower threshold value, then we pull it out with a minimum number of days, for example:
Select 1-2 days, we get - a record with id=1
Otherwise exception / null / 0
Tell me - how to make such a request through a request or Eloquent? Is it possible to do this in 1-2 steps?

Answer 1

So far I've done this, but I don't like it:

$prices_min = $this->prices()->limit(1)->orderBy('days')->first();

        if($days < $prices_min) {
            return $prices_min;
        }

        $exact_match = $this->prices()->where('days','=',$days)->first();

        if($exact_match) {
            return $exact_match;
        }

        $smaller = $this->prices()->where('days','<',$days)->first();

        if($smaller) {
            return $smaller;
        }

        throw new NotFoundException('Not Found');

Or a little shorter:

$prices_min = $this->prices()->limit(1)->orderBy('days')->first();
        if($days < $prices_min) {
            $price = $prices_min;
        }

        $exact_match = $this->prices()->where('days','=',$days)->orWhere('days','<',$days)->orderByDesc('days')->first();
        if($exact_match) {
            $price = $exact_match;
        }

But it looks like it could be done better.