Laratrade\Indicators\BollingerBandsIndicator::__invoke()

Complexity

Conditions	3
Paths	3

Size

Total Lines	31
Code Lines	23

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	12

Importance

Changes

0

<?php
    public function __invoke(
        Collection $ohlcv,
        int $timePeriod = 10,
        float $nbDevUp = 2,
        float $nbDevDn = 2,
        int $mAType = 0
    ): int {
        $close      = $ohlcv->get('close');
        $closeValue = array_pop($close);

        $bbands = trader_bbands(
            $ohlcv->get('close'),
            $timePeriod,
            $nbDevUp,
            $nbDevDn,
            $mAType
        );

        throw_unless($bbands, NotEnoughDataException::class);

        $upperValue = array_pop($bbands[0]);
        $lowerValue = array_pop($bbands[2]);

        if ($closeValue <= $lowerValue) {
            return static::BUY;
        } elseif ($closeValue >= $upperValue) {
            return static::SELL;
        }

        return static::HOLD;
    }
}