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coviduser.go
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coviduser.go
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package CovidSim
import (
"fmt"
"github.com/bwmarrin/discordgo"
"math/rand"
"strconv"
"time"
)
const (
// ContractionChance is the percent chance we contract covid.
ContractionChance float32 = 20
)
type CovidUser struct {
ID string `json:"id" gorm:"index:ux_coviduser_id,unique"`
IntID int64 `json:"int_id"`
CovidEncounter int `json:"covid_encounter"`
ContractionTime time.Time `json:"contraction_time"`
ContractedBy string `json:"contracted_by"`
ContractedServer string `json:"contracted_server"`
ContractedChannel string `json:"contracted_channel"`
ContractedMessage string `json:"contracted_message"`
Tested bool `json:"tested"`
}
func NewCovidUser(user *discordgo.User) (CovidUser, error) {
userID, err := strconv.ParseInt(user.ID, 10, 64)
if err != nil {
return CovidUser{}, fmt.Errorf("ContractCovid: invalid target user id %s: %w", user.ID, err)
}
var ret = CovidUser{
ID: user.ID,
IntID: userID,
}
return ret, nil
}
func (u *CovidUser) ContractCovid(infectedUser CovidUser, serverID, channelID, messageID string) (bool, error) {
if !u.ContractionTime.IsZero() || infectedUser.ContractionTime.IsZero() || infectedUser.ID == u.ID {
return false, nil
}
var rand = rand.New(rand.NewSource(u.IntID + infectedUser.IntID))
var roll = float32(rand.Intn(10000)) / 100
roll -= float32(u.CovidEncounter) * (ContractionChance / 2)
u.CovidEncounter += 1
if roll < ContractionChance {
u.ContractionTime = time.Now()
u.ContractedBy = infectedUser.ID
u.ContractedServer = serverID
u.ContractedChannel = channelID
u.ContractedMessage = messageID
return true, nil
}
return false, nil
}