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giveaways.go
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giveaways.go
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package main
import (
"database/sql"
"log"
"math/rand"
"strings"
"time"
"github.com/bwmarrin/discordgo"
)
func getGiveawayForGuild(guildId string) *Giveaway {
var giveaway Giveaway
err := DbMap.SelectOne(&giveaway, "SELECT * FROM Giveaways WHERE guild_id = ? AND end_time IS NULL", guildId)
if err != nil && err != sql.ErrNoRows {
log.Panicln("getGiveawayForGuild#DbMap.SelectOne", err)
}
if err == sql.ErrNoRows {
return nil
}
return &giveaway
}
func getAllUnfinishedGiveaways() []Giveaway {
var res []Giveaway
_, err := DbMap.Select(&res, "SELECT * FROM Giveaways WHERE end_time IS NULL")
if err != nil {
log.Panicln("getAllUnfinishedGiveaways#DbMap.Select", err)
return nil
}
return res
}
func createMissingGiveaways(guild *discordgo.Guild) {
_, err := session.Channel(getGiveawayChannelIdForGuild(guild.ID))
if err == nil {
giveaway := getGiveawayForGuild(guild.ID)
if giveaway == nil {
giveaway = &Giveaway{
StartTime: time.Now(),
GuildId: guild.ID,
GuildName: guild.Name,
}
err := DbMap.Insert(giveaway)
if err != nil {
log.Panicln("createMissingGiveaways#DbMap.Insert", err)
return
}
}
}
}
func getGiveawayChannelIdForGuild(guildId string) string {
var serverConfig ServerConfig
err := DbMap.SelectOne(&serverConfig, "SELECT * FROM ServerConfig WHERE guild_id = ?", guildId)
if err != nil {
log.Println("("+guildId+") getGiveawayChannelIdForGuild#DbMap.SelectOne", err)
return ""
}
return serverConfig.MainChannel
}
func finishGiveaways() {
giveaways := getAllUnfinishedGiveaways()
for _, giveaway := range giveaways {
finishGiveaway(giveaway.GuildId)
guild, err := session.Guild(giveaway.GuildId)
if err == nil {
createMissingGiveaways(guild)
}
}
}
func finishGiveaway(guildId string) {
giveaway := getGiveawayForGuild(guildId)
if giveaway == nil {
log.Println("(" + guildId + ") finishGiveaway#getGiveawayForGuild")
return
}
_, err := session.Guild(giveaway.GuildId)
if err != nil {
log.Println("("+guildId+") finishGiveaway#session.Guild", err)
return
}
giveawayChannelId := getGiveawayChannelIdForGuild(guildId)
var participants []Participant
_, err = DbMap.Select(&participants, "SELECT * FROM Participants WHERE giveaway_id = ? AND is_accepted = true", giveaway.Id)
if err != nil {
log.Panicln("("+guildId+") finishGiveaway#DbMap.Select", err)
}
if participants == nil || len(participants) == 0 {
giveaway.EndTime.Time = time.Now()
giveaway.EndTime.Valid = true
_, err := DbMap.Update(giveaway)
if err != nil {
log.Panicln("("+guildId+") finishGiveaway#DbMap.Select", err)
}
notifyWinner(giveaway.GuildId, giveawayChannelId, nil, "")
return
}
code, err := getCSRVCode()
if err != nil {
log.Println("("+guildId+") finishGiveaway#getCSRVCode", err)
_, err = session.ChannelMessageSend(giveawayChannelId, "Błąd API Craftserve, nie udało się pobrać kodu!")
if err != nil {
return
}
return
}
rand.Seed(time.Now().UnixNano())
winner := participants[rand.Int()%len(participants)]
giveaway.InfoMessageId.String = notifyWinner(giveaway.GuildId, giveawayChannelId, &winner.UserId, code)
giveaway.InfoMessageId.Valid = true
giveaway.EndTime.Time = time.Now()
giveaway.EndTime.Valid = true
giveaway.Code.String = code
giveaway.Code.Valid = true
giveaway.WinnerId.String = winner.UserId
giveaway.WinnerId.Valid = true
giveaway.WinnerName.String = winner.UserName
giveaway.WinnerName.Valid = true
_, err = DbMap.Update(giveaway)
if err != nil {
log.Panicln("("+guildId+") finishGiveaway#DbMap.Update", err)
}
}
func getParticipantsNames(giveawayId int) ([]string, error) {
var participants []Participant
_, err := DbMap.Select(&participants, "SELECT user_name FROM Participants WHERE giveaway_id = ? AND is_accepted = true", giveawayId)
if err != nil {
if err == sql.ErrNoRows {
return nil, err
}
log.Println("getParticipantsNames#DbMap.Select", err)
return nil, err
}
names := make([]string, len(participants))
for i := range participants {
names[i] = participants[i].UserName
}
return names, nil
}
func getParticipantByMessageId(messageId string) *Participant {
var participant Participant
err := DbMap.SelectOne(&participant, "SELECT * FROM Participants WHERE message_id = ?", messageId)
if err != nil && err != sql.ErrNoRows {
log.Println("getParticipantByMessageId#DbMap.SelectOne", err)
return nil
}
if err == sql.ErrNoRows {
return nil
}
return &participant
}
func getParticipantsByGiveawayId(giveawayId int) []Participant {
var participants []Participant
_, err := DbMap.Select(&participants, "SELECT * FROM Participants WHERE giveaway_id = ? AND is_accepted = true", giveawayId)
if err != nil {
if err == sql.ErrNoRows {
return nil
}
log.Println("getParticipantsByGiveawayId#DbMap.Select", err)
return nil
}
return participants
}
func getParticipantsNamesString(giveawayId int) (string, error) {
participants, err := getParticipantsNames(giveawayId)
if err != nil {
return "", err
}
return strings.Join(participants, ", "), nil
}
func getParticipantCandidateByMessageId(messageId string) *ParticipantCandidate {
var candidate ParticipantCandidate
err := DbMap.SelectOne(&candidate, "SELECT * From ParticipantCandidates WHERE message_id = ?", messageId)
if err != nil {
if err == sql.ErrNoRows {
return nil
}
log.Panicln("getParticipantCandidateByMessageId#DbMap.Select", err)
}
return &candidate
}
func notifyWinner(guildId, channelId string, winnerId *string, code string) string {
if winnerId == nil {
log.Println("(" + guildId + ") Giveaway ended without any participants.")
message, err := session.ChannelMessageSend(channelId, "Dzisiaj nikt nie wygrywa, ponieważ nikt nie był w loterii.")
if err != nil {
return ""
}
return message.ID
}
winner, err := session.GuildMember(guildId, *winnerId)
if err != nil {
log.Println("("+guildId+") notifyWinner#session.GuildMember("+*winnerId+")", err)
return ""
}
log.Println("(" + guildId + ") " + winner.User.Username + " has won the giveaway (Code: " + code + ").")
embed := discordgo.MessageEmbed{
Author: &discordgo.MessageEmbedAuthor{
URL: "https://craftserve.pl",
Name: "Wygrałeś kod na serwer diamond!",
IconURL: "https://cdn.discordapp.com/avatars/524308413719642118/c2a17b4479bfcc89d2b7e64e6ae15ebe.webp",
},
Description: "Gratulacje! W loterii wygrałeś darmowy kod na serwer w CraftServe! Możesz go użyć w zakładce *Płatności* pod przyciskiem *Zrealizuj kod podarunkowy*. Kod jest ważny około rok.",
}
embed.Fields = []*discordgo.MessageEmbedField{}
embed.Fields = append(embed.Fields, &discordgo.MessageEmbedField{Name: "KOD", Value: code})
dm, err := session.UserChannelCreate(*winnerId)
if err != nil {
log.Println("("+guildId+") notifyWinner#session.UserChannelCreate", err)
}
_, err = session.ChannelMessageSendEmbed(dm.ID, &embed)
embed = discordgo.MessageEmbed{
Author: &discordgo.MessageEmbedAuthor{
URL: "https://craftserve.pl",
Name: "Wyniki giveaway!",
IconURL: "https://cdn.discordapp.com/avatars/524308413719642118/c2a17b4479bfcc89d2b7e64e6ae15ebe.webp",
},
Description: winner.User.Username + " wygrał kod. Gratulacje!",
}
message, err := session.ChannelMessageSendEmbed(channelId, &embed)
if err != nil {
log.Println("("+guildId+") notifyWinner#session.ChannelMessageSendEmbed", err)
return ""
}
return message.ID
}
func deleteFromGiveaway(guildId, userId string) {
giveaway := getGiveawayForGuild(guildId)
if giveaway == nil {
log.Println("(" + guildId + ") notifyWinner#getGiveawayForGuild")
return
}
participants := getParticipantsByGiveawayId(giveaway.Id)
for _, participant := range participants {
if participant.UserId == userId {
participant.IsAccepted.Valid = true
participant.IsAccepted.Bool = false
_, err := DbMap.Update(&participant)
if err != nil {
log.Panicln(err)
}
}
}
for _, participant := range participants {
updateThxInfoMessage(&participant.MessageId, "", participant.ChannelId, participant.UserId, participant.GiveawayId, nil, reject)
}
return
}
func blacklistUser(guildId, userId, blacklisterId string) error {
blacklist := &Blacklist{GuildId: guildId,
UserId: userId,
BlacklisterId: blacklisterId}
err := DbMap.Insert(blacklist)
if err != nil {
log.Println("("+guildId+") blacklistUser#DbMap.Insert", err)
return err
}
return err
}
func unblacklistUser(guildId, userId string) error {
_, err := DbMap.Exec("DELETE FROM Blacklists WHERE guild_id = ? AND user_id = ?", guildId, userId)
if err != nil {
log.Println("("+guildId+") unblacklistUser#DbMap.Exec", err)
return err
}
return err
}
func helperBlacklistUser(guildId, userId, blacklisterId string) error {
blacklist := &HelperBlacklist{GuildId: guildId,
UserId: userId,
BlacklisterId: blacklisterId}
err := DbMap.Insert(blacklist)
if err != nil {
log.Println("("+guildId+") helperBlacklistUser#DbMap.Insert", err)
return err
}
return err
}
func helperUnBlacklistUser(guildId, userId string) error {
_, err := DbMap.Exec("DELETE FROM HelperBlacklist WHERE guild_id = ? AND user_id = ?", guildId, userId)
if err != nil {
log.Println("("+guildId+") helperUnBlacklistUser#DbMap.Exec", err)
return err
}
return err
}
func isBlacklisted(guildId, userId string) bool {
ret, err := DbMap.SelectInt("SELECT count(*) FROM Blacklists WHERE guild_id = ? AND user_id = ?", guildId, userId)
if err != nil {
log.Println("("+guildId+") isBlacklisted#DbMap.SelectInt", err)
return false
}
if ret == 1 {
return true
}
return false
}