split telegram notification formatting

internal/service/notify_telegram_body.go

@@ -0,0 +1,175 @@
+package service
+
+import (
+	"fmt"
+	"strings"
+)
+
+func telegramShouldShowEventHeading(event NotifyEvent) bool {
+	if telegramMediaTag(event.Data) != "" {
+		return false
+	}
+	switch strings.TrimSpace(event.Type) {
+	case EventSubscriptionHit, EventDownloadComplete:
+		return false
+	default:
+		return true
+	}
+}
+
+func telegramEventTag(event NotifyEvent) string {
+	if tag := telegramMediaTag(event.Data); tag != "" {
+		return tag
+	}
+	switch strings.TrimSpace(event.Type) {
+	case EventSubscriptionHit:
+		return "#订阅"
+	case EventDownloadComplete:
+		return "#下载完成"
+	case EventScrapeFailed:
+		return "#刮削失败"
+	case EventSystemAlert:
+		return "#系统提醒"
+	case EventLibraryIngest:
+		return "#入库"
+	default:
+		title := strings.TrimSpace(strings.TrimPrefix(event.Title, "MediaStationGo "))
+		if title == "" {
+			return "#MediaStationGo"
+		}
+		return "#" + escapeHTML(strings.ReplaceAll(title, " ", ""))
+	}
+}
+
+func telegramEventHeading(event NotifyEvent) string {
+	title := strings.TrimSpace(event.Title)
+	title = strings.TrimSpace(strings.TrimPrefix(title, "MediaStationGo "))
+	if title == "" {
+		title = "MediaStationGo 通知"
+	}
+	icon := "🔔"
+	switch strings.TrimSpace(event.Type) {
+	case EventSubscriptionHit:
+		icon = "🎯"
+	case EventDownloadComplete:
+		icon = "✅"
+	case EventScrapeFailed:
+		icon = "⚠️"
+	case EventSystemAlert:
+		icon = "🚨"
+	case EventLibraryIngest:
+		icon = "📚"
+	}
+	return fmt.Sprintf("%s <b>%s</b>", icon, escapeHTML(title))
+}
+
+func formatTelegramBody(message string) string {
+	lines := strings.Split(message, "\n")
+	out := make([]string, 0, len(lines))
+	for _, line := range lines {
+		line = strings.TrimSpace(line)
+		if line == "" {
+			out = append(out, "")
+			continue
+		}
+		if strings.HasPrefix(line, "- ") {
+			out = append(out, "- "+escapeHTML(strings.TrimSpace(strings.TrimPrefix(line, "- "))))
+			continue
+		}
+		if key, ok := trimTelegramEmptyField(line); ok {
+			out = append(out, fmt.Sprintf("%s <b>%s</b>：", telegramFieldIcon(telegramFieldLabel(key)), escapeHTML(telegramFieldLabel(key))))
+			continue
+		}
+		if key, value, ok := splitTelegramField(line); ok {
+			out = append(out, formatTelegramField(key, value))
+			continue
+		}
+		out = append(out, escapeHTML(line))
+	}
+	return strings.TrimSpace(strings.Join(out, "\n"))
+}
+
+func trimTelegramEmptyField(line string) (string, bool) {
+	line = strings.TrimSpace(line)
+	for _, suffix := range []string{"：", ":"} {
+		if strings.HasSuffix(line, suffix) {
+			key := strings.TrimSpace(strings.TrimSuffix(line, suffix))
+			if key != "" && len([]rune(key)) <= 16 {
+				return key, true
+			}
+		}
+	}
+	return "", false
+}
+
+func splitTelegramField(line string) (string, string, bool) {
+	idx := strings.Index(line, "：")
+	sepLen := len("：")
+	if idx < 0 {
+		idx = strings.Index(line, ":")
+		sepLen = len(":")
+	}
+	if idx <= 0 {
+		return "", "", false
+	}
+	key := strings.TrimSpace(line[:idx])
+	value := strings.TrimSpace(line[idx+sepLen:])
+	if key == "" || value == "" || len([]rune(key)) > 16 {
+		return "", "", false
+	}
+	return key, value, true
+}
+
+func formatTelegramField(key, value string) string {
+	key = telegramFieldLabel(key)
+	escapedValue := escapeHTML(strings.TrimSpace(value))
+	if telegramCodeField(key) {
+		escapedValue = "<code>" + escapedValue + "</code>"
+	}
+	return fmt.Sprintf("%s <b>%s</b>：%s", telegramFieldIcon(key), escapeHTML(key), escapedValue)
+}
+
+func telegramCodeField(key string) bool {
+	key = strings.ToLower(strings.TrimSpace(key))
+	return strings.Contains(key, "hash") ||
+		strings.Contains(key, "路径") ||
+		strings.Contains(key, "path") ||
+		strings.Contains(key, "id")
+}
+
+func telegramFieldIcon(key string) string {
+	switch strings.ToLower(strings.TrimSpace(key)) {
+	case "中文片名", "标题", "任务", "媒体", "资源":
+		return "📺"
+	case "原始片名":
+		return "🧿"
+	case "原始语言", "语言":
+		return "🌐"
+	case "发行年份", "年份":
+		return "📅"
+	case "类别", "分类", "媒体类型":
+		return "🐈‍⬛"
+	case "季集", "集数":
+		return "🫧"
+	case "大小", "质量", "规格":
+		return "🔎"
+	case "版本", "保存路径":
+		return "📁"
+	case "评分":
+		return "⭐️"
+	case "类型":
+		return "💎"
+	case "简介":
+		return "🪬"
+	case "订阅":
+		return "🎯"
+	case "新增资源":
+		return "✨"
+	case "Hash":
+		return "🧿"
+	case "错误":
+		return "⚠️"
+	default:
+		return "•"
+	}
+}