card_id/common/game/card/card.go

package card

import (
	"strings"

	"git.tuxpa.in/a/card_id/common/data"
	"lukechampine.com/frand"
)

type Card struct {
	Id        int    `json:"id"`
	Name      string `json:"name"`
	CleanName string `json:"clean_name"`

	Rate float64 `json:"rate"`

	BonusLife bool `json:"bonus_life"`
}

func (c *Card) FromResult(d data.Result) Card {
	c.Id = d.Id
	c.Name = d.Name
	c.Rate = d.Rate
	c.CleanName = strings.ReplaceAll(strings.TrimSpace(stripNum(c.Name)), "  ", " ")
	return *c
}

func (c *Card) CopyWithBonus(chance float64) Card {
	return Card{
		Id:        c.Id,
		Rate:      c.Rate,
		Name:      c.Name,
		CleanName: c.CleanName,
		BonusLife: (frand.Float64() <= chance),
	}
}

func stripNum(s string) string {
	var result strings.Builder
	for i := 0; i < len(s); i++ {
		b := s[i]
		if !('0' <= b && b <= '9') {
			result.WriteByte(b)
		}
	}
	return result.String()
}