feat: Catch new messages during level recalculation

The code now goes through all the channels again until no new messages are found.

level/recalculateEngine.go

@@ -25,6 +25,9 @@ func RecalculateEverything(dg *discordgo.Session, guildID string) {
 		return
 	}
 	listOfMessages := make(map[string][]*discordgo.Message)
+	latestMessage := make(map[string]string)
+	for {
+		newMessagesFound := false
 		for _, v := range guild.Channels {
 			if persistent.IgnoredChannels[v.ID] {
 				continue
@@ -36,19 +39,33 @@ func RecalculateEverything(dg *discordgo.Session, guildID string) {
 					util.ReportError(dg, err)
 					return
 				}
+				if beforeID == "" && len(messages) > 0 && messages[0].ID != latestMessage[v.ID] {
+					newMessagesFound = true
+					latestMessage[v.ID] = messages[0].ID
+				}
+				dupe := false
 				for _, msg := range messages {
+					if msg.ID == latestMessage[v.ID] {
+						dupe = true
+						break
+					}
 					if list, ok := listOfMessages[msg.Author.ID]; ok {
 						listOfMessages[msg.Author.ID] = append(list, msg)
 					} else {
 						listOfMessages[msg.Author.ID] = []*discordgo.Message{msg}
 					}
 				}
-			if len(messages) < 100 {
+				if len(messages) < 100 || dupe {
 					break
 				}
 				beforeID = messages[99].ID
 			}
 		}
+		fmt.Printf("[RECALC] Batch step reached in %v.\n", time.Now().Sub(startTime))
+		if !newMessagesFound {
+			break
+		}
+	}
 	fetchedTime := time.Now()
 	totalXP := make(map[string]int64)
 	for k, v := range listOfMessages {