fix: Actually track nickname changes

internal/history/member.go

@@ -0,0 +1,65 @@
+package history
+
+import (
+	"context"
+	"math280h/wisp/db"
+	"math280h/wisp/internal/shared"
+
+	"github.com/bwmarrin/discordgo"
+	"github.com/rs/zerolog/log"
+)
+
+func updateNickIfChanged(s *discordgo.Session, m *discordgo.GuildMemberUpdate) {
+	userObj, err := shared.GetUserIfExists(&discordgo.User{
+		ID: m.Member.User.ID,
+	})
+	if err != nil {
+		log.Error().Err(err).Msg("Failed to get user")
+		return
+	}
+
+	newNick := m.Nick
+
+	if userObj.Nickname != newNick {
+		log.Debug().Msg("Nickname changed" + newNick)
+		if newNick == "" {
+			newNick = m.Member.User.Username
+		}
+		user := m.Member.User
+
+		_, err = shared.DBClient.User.FindUnique(
+			db.User.UserID.Equals(user.ID),
+		).Update(
+			db.User.Nickname.Set(newNick),
+		).Exec(context.Background())
+		if err != nil {
+			log.Error().Err(err).Msg("Failed to update nickname")
+			return
+		}
+
+		embed := discordgo.MessageEmbed{
+			Title:       "Nickname Changed",
+			Description: user.Mention() + " (" + user.String() + ")",
+			Color:       shared.DarkBlue,
+			Fields: []*discordgo.MessageEmbedField{
+				{
+					Name:  "Old Nickname",
+					Value: userObj.Nickname,
+				},
+				{
+					Name:  "New Nickname",
+					Value: newNick,
+				},
+			},
+		}
+
+		_, channelErr := s.ChannelMessageSendEmbed(*shared.HistoryChannel, &embed)
+		if channelErr != nil {
+			log.Error().Err(channelErr).Msg("Failed to send message")
+		}
+	}
+}
+
+func OnGuildMemberUpdate(s *discordgo.Session, m *discordgo.GuildMemberUpdate) {
+	updateNickIfChanged(s, m)
+}