added adventcalendar prize draw

data/lang/de.yaml

@@ -115,6 +115,13 @@ discord.command:
   adventcalendar:
     base: adventskalender
     base.description: Admin Commands für das Adventskalender Giveaway
+    option.draw: ziehen
+    option.draw.description: Ziehe einen zufälligen Gewinner aus allen eingetragenen Tickets
+
+    msg.no_entires.draw: Konnte kein Gewinner gezogen werden, da momentan keine Tickets eingetragen sind.
+    msg.winner.title: Adventskalender Gewinnauslosung
+    msg.winner.details: "__Gewinner: %s__\nTickets: %d/24\nGewinnchance: %.2f%%"
+    msg.winner.congratulation: "Herzlichen Glückwunsch, %s! :heart:\nFrohe Weihnachten an alle!"
 
 module:
   adventcalendar:

data/lang/en.yaml

@@ -115,6 +115,13 @@ discord.command:
   adventcalendar:
     base: adventcalendar
     base.description: Admin commands for the Advent Calendar Giveaway
+    option.draw: draw
+    option.draw.description: Draw a random winner from all entered tickets
+
+    msg.no_entires.draw: Tried draw a winner, but there are currently no entries.
+    msg.winner.title: Advent Calendar Pize Draw
+    msg.winner.details: "__Winner: %s__\nTickets: %d/24\nProbability of winning: %.2f%%"
+    msg.winner.congratulation: "Congratulations, %s! :heart:\nMerry XMas everyone!"
 
 module:
   adventcalendar:
@@ -125,7 +132,7 @@ module:
     post.button: Join
 
     enter.invalid: This is an old message, you cannot join here anymore!
-    enter.success: You successfully joined! You know have %d tickets.
+    enter.success: You successfully joined! You now have %d tickets.
     enter.already_entered: You already joined for today. (You have %d tickets)
 
     embed_footer: Advent Calendar Giveaway

modules/adventcalendar/chatCommand.go

@@ -45,6 +45,13 @@ func (Chat) AppCmd() *discordgo.ApplicationCommand {
 				Name:        "morning",
 				Description: "Morning trigger",
 			},
+			{
+				Type:                     discordgo.ApplicationCommandOptionSubCommand,
+				Name:                     lang.GetDefault(tp + "option.draw"),
+				NameLocalizations:        *util.TranslateLocalization(tp + "option.draw"),
+				Description:              lang.GetDefault(tp + "option.draw.description"),
+				DescriptionLocalizations: *util.TranslateLocalization(tp + "option.draw.description"),
+			},
 		},
 	}
 }
@@ -70,6 +77,9 @@ func (cmd Chat) Handle(s *discordgo.Session, i *discordgo.InteractionCreate) {
 		Post(s)
 		cmd.ReplyHidden("Post()")
 		return
+	case lang.GetDefault(tp + "option.draw"):
+		cmd.handleSubcommandDraw()
+		return
 	}
 
 }

modules/adventcalendar/handlerSubcommandDraw.go

@@ -0,0 +1,67 @@
+package adventcalendar
+
+import (
+	"cake4everybot/data/lang"
+	"cake4everybot/util"
+	"fmt"
+	"math/rand"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+func (cmd Chat) handleSubcommandDraw() {
+	var entries []giveawayEntry
+	for _, e := range getGetAllEntries() {
+		for i := 0; i < e.weight; i++ {
+			entries = append(entries, e)
+		}
+	}
+	totalTickets := len(entries)
+	if totalTickets == 0 {
+		cmd.ReplyHidden(lang.GetDefault(tp + "msg.no_entries.draw"))
+		return
+	}
+
+	rand.Shuffle(len(entries), func(i, j int) {
+		entries[i], entries[j] = entries[j], entries[i]
+	})
+	winner := entries[rand.Intn(totalTickets-1)]
+
+	member, err := cmd.Session.GuildMember(cmd.Interaction.GuildID, winner.userID)
+	if err != nil {
+		log.Printf("WARN: Could not get winner as member '%s' from guild '%s': %v", cmd.Interaction.GuildID, winner.userID, err)
+		log.Print("Trying to get user instead...")
+
+		user, err := cmd.Session.User(winner.userID)
+		if err != nil {
+			log.Printf("ERROR: Could not get winner user '%s': %v", winner.userID, err)
+			cmd.ReplyError()
+			return
+		}
+		member = &discordgo.Member{User: user}
+	}
+
+	name := member.Nick
+	if name == "" {
+		name = member.User.Username
+	}
+
+	e := &discordgo.MessageEmbed{
+		Title: lang.GetDefault(tp + "msg.winner.title"),
+		Description: fmt.Sprintf(
+			lang.GetDefault(tp+"msg.winner.details"),
+			member.Mention(),
+			winner.weight,
+			float64(100*winner.weight)/float64(totalTickets),
+		),
+		Thumbnail: &discordgo.MessageEmbedThumbnail{
+			URL: member.AvatarURL(""),
+		},
+		Color: 0x00A000,
+		Fields: []*discordgo.MessageEmbedField{{
+			Value: fmt.Sprintf(lang.GetDefault(tp+"msg.winner.congratulation"), name),
+		}},
+	}
+	util.SetEmbedFooter(cmd.Session, "module.adventcalendar.embed_footer", e)
+	cmd.ReplyEmbed(e)
+}