split notify channel dispatch

internal/service/notify_telegram_config.go

@@ -0,0 +1,47 @@
+package service
+
+import "strings"
+
+func telegramTargetChatIDs(cfg map[string]string) []string {
+	seen := map[string]bool{}
+	targets := []string{}
+	for _, key := range []string{"group_chat_id", "channel_chat_id"} {
+		chatID := strings.TrimSpace(cfg[key])
+		if chatID == "" || seen[chatID] {
+			continue
+		}
+		seen[chatID] = true
+		targets = append(targets, chatID)
+	}
+	if len(targets) == 0 {
+		chatID := strings.TrimSpace(cfg["chat_id"])
+		if strings.HasPrefix(chatID, "-") {
+			targets = append(targets, chatID)
+		} else if chatID != "" && strings.TrimSpace(cfg["admin_user_ids"]) == "" {
+			targets = append(targets, chatID)
+		}
+	}
+	if len(targets) == 0 {
+		for _, userID := range telegramConfiguredUserIDs(cfg["admin_user_ids"]) {
+			if seen[userID] {
+				continue
+			}
+			seen[userID] = true
+			targets = append(targets, userID)
+		}
+	}
+	return targets
+}
+
+func telegramConfiguredUserIDs(raw string) []string {
+	out := []string{}
+	for _, value := range strings.FieldsFunc(raw, func(r rune) bool {
+		return r == ',' || r == ';' || r == '，' || r == ' ' || r == '\n' || r == '\t'
+	}) {
+		value = strings.TrimSpace(value)
+		if value != "" {
+			out = append(out, value)
+		}
+	}
+	return out
+}