split telegram notification formatting

internal/service/notify_telegram_data.go

@@ -0,0 +1,170 @@
+package service
+
+import (
+	"fmt"
+	"net/url"
+	"sort"
+	"strings"
+)
+
+type telegramDataField struct {
+	key   string
+	value string
+}
+
+func telegramDisplayData(data map[string]interface{}) []telegramDataField {
+	if len(data) == 0 {
+		return nil
+	}
+	keys := make([]string, 0, len(data))
+	for key := range data {
+		if telegramHiddenDataKey(key) {
+			continue
+		}
+		keys = append(keys, key)
+	}
+	sort.Strings(keys)
+	fields := make([]telegramDataField, 0, len(keys))
+	for _, key := range keys {
+		value := strings.TrimSpace(fmt.Sprint(data[key]))
+		if value == "" || value == "<nil>" {
+			continue
+		}
+		fields = append(fields, telegramDataField{key: key, value: value})
+	}
+	return fields
+}
+
+func telegramHiddenDataKey(key string) bool {
+	switch strings.ToLower(strings.TrimSpace(key)) {
+	case "photo_url", "poster_url", "poster", "image_url", "backdrop_url",
+		"tmdb_url", "imdb_url", "douban_url", "detail_url", "external_url",
+		"resource_title", "torrent_title", "release_title":
+		return true
+	default:
+		return false
+	}
+}
+
+func telegramFieldLabel(key string) string {
+	switch strings.ToLower(strings.TrimSpace(key)) {
+	case "title", "name":
+		return "标题"
+	case "original_title":
+		return "原始片名"
+	case "original_language":
+		return "原始语言"
+	case "year", "release_year":
+		return "发行年份"
+	case "save_path":
+		return "保存路径"
+	case "hash":
+		return "Hash"
+	case "media_type":
+		return "媒体类型"
+	case "media_category":
+		return "类别"
+	case "season_episode":
+		return "季集"
+	case "size", "bitrate":
+		return "大小"
+	case "version", "release_group":
+		return "版本"
+	case "rating":
+		return "评分"
+	case "genres":
+		return "类型"
+	case "overview":
+		return "简介"
+	case "subscription":
+		return "订阅"
+	case "queued":
+		return "新增资源"
+	default:
+		return strings.TrimSpace(key)
+	}
+}
+
+func telegramExternalLinks(data map[string]interface{}) string {
+	if len(data) == 0 {
+		return ""
+	}
+	links := []string{}
+	for _, item := range []struct {
+		key  string
+		name string
+	}{
+		{key: "tmdb_url", name: "TMDB"},
+		{key: "imdb_url", name: "IMDB"},
+		{key: "douban_url", name: "豆瓣"},
+	} {
+		value := telegramDataString(data, item.key)
+		if isTelegramRemotePhotoURL(value) {
+			links = append(links, fmt.Sprintf(`<a href="%s">%s</a>`, escapeHTML(value), escapeHTML(item.name)))
+		}
+	}
+	if len(links) == 0 {
+		return ""
+	}
+	return "🔗 外链：" + strings.Join(links, " / ")
+}
+
+func telegramEventPhotoURL(event NotifyEvent) string {
+	for _, key := range []string{"photo_url", "poster_url", "poster", "image_url", "backdrop_url"} {
+		value := telegramDataString(event.Data, key)
+		if isTelegramRemotePhotoURL(value) {
+			return value
+		}
+	}
+	return ""
+}
+
+func telegramDataString(data map[string]interface{}, key string) string {
+	if len(data) == 0 {
+		return ""
+	}
+	for k, value := range data {
+		if strings.EqualFold(strings.TrimSpace(k), key) {
+			return telegramValueString(value)
+		}
+	}
+	return ""
+}
+
+func telegramValueString(value interface{}) string {
+	switch v := value.(type) {
+	case nil:
+		return ""
+	case string:
+		return strings.TrimSpace(v)
+	case []string:
+		return strings.TrimSpace(strings.Join(v, ","))
+	case []interface{}:
+		out := make([]string, 0, len(v))
+		for _, item := range v {
+			if s := telegramValueString(item); s != "" {
+				out = append(out, s)
+			}
+		}
+		return strings.Join(out, ",")
+	case float32:
+		return strings.TrimRight(strings.TrimRight(fmt.Sprintf("%.1f", v), "0"), ".")
+	case float64:
+		return strings.TrimRight(strings.TrimRight(fmt.Sprintf("%.1f", v), "0"), ".")
+	default:
+		text := strings.TrimSpace(fmt.Sprint(value))
+		if text == "<nil>" {
+			return ""
+		}
+		return text
+	}
+}
+
+func isTelegramRemotePhotoURL(raw string) bool {
+	raw = strings.TrimSpace(raw)
+	if raw == "" {
+		return false
+	}
+	u, err := url.Parse(raw)
+	return err == nil && (u.Scheme == "http" || u.Scheme == "https") && u.Host != ""
+}