fix download notification privacy

internal/service/download_notification.go

@@ -2,7 +2,6 @@ package service
 
 import (
 	"context"
-	"fmt"
 	"path/filepath"
 	"strings"
 	"time"
@@ -33,7 +32,7 @@ func (d *DownloadService) notifyDownloadComplete(ctx context.Context, torrent QB
 
 func downloadCompleteNotificationPayload(torrent QBitTorrent, task *model.DownloadTask) (string, map[string]interface{}) {
 	name := downloadCompleteNotificationName(torrent, task)
-	body := fmt.Sprintf("任务：%s\n保存路径：%s\nHash：%s", name, firstNonEmpty(torrent.ContentPath, torrent.SavePath), torrent.Hash)
+	body := "任务：" + name
 	data := downloadCompleteNotificationData(torrent, task)
 	return body, data
 }

internal/service/downloads_view_test.go

@@ -58,8 +58,10 @@ func TestDownloadCompleteNotificationPayloadUsesTaskMetadata(t *testing.T) {
 	if !strings.Contains(body, "任务：正式标题") {
 		t.Fatalf("body should prefer task title, got %q", body)
 	}
-	if !strings.Contains(body, "保存路径：/downloads/show/Release.Name.S01E02.1080p.mkv") {
-		t.Fatalf("body should include content path, got %q", body)
+	for _, private := range []string{"保存路径", "/downloads/show", "Hash", "done123"} {
+		if strings.Contains(body, private) {
+			t.Fatalf("body should not expose %q, got %q", private, body)
+		}
 	}
 	for key, want := range map[string]interface{}{
 		"resource_title":    "Release.Name.S01E02.1080p",

internal/service/notify_channels_test.go

@@ -101,27 +101,45 @@ func TestTelegramDispatchUsesPhotoAndFormattedCaption(t *testing.T) {
 	}
 	caption := gotForm["caption"]
 	for _, want := range []string{
-		"🐈‍⬛🐈‍⬛ MediaStationGo 更新啦 🐈‍⬛🐈‍⬛",
-		"--------------------------------",
-		"#剧集",
-		"📺 中文片名：美国甜心：达拉斯牛仔啦啦队",
-		"🧿 原始片名：AMERICA'S SWEETHEARTS: Dallas Cowboys Cheerleaders",
-		"🌐 原始语言：英语",
-		"📅 发行年份：2024",
-		"🐈‍⬛ 类别：纪录片剧集",
-		"🫧 季集：S03E07",
-		"🔎 大小：3.0GB / 5.7Mbps",
-		"📁 版本：H264.NF.FHD-HHWEB",
-		"⭐️ 评分：8.2",
-		"💎 类型：纪录",
-		"🪬 简介：",
-		`🔗 外链：<a href="` + server.URL + `/tmdb">TMDB</a> / <a href="` + server.URL + `/imdb">IMDB</a> / <a href="` + server.URL + `/douban">豆瓣</a>`,
+		"#下载完成",
+		"📺 任务：示例影片",
 	} {
 		if !strings.Contains(caption, want) {
 			t.Fatalf("caption missing %q: %s", want, caption)
 		}
 	}
-	for _, unwanted := range []string{"✅ <b>下载完成</b>", "🎯 订阅命中新资源", "保存路径", "abcdef"} {
+	for _, unwanted := range []string{
+		"✅ <b>下载完成</b>",
+		"🎯 订阅命中新资源",
+		"保存路径",
+		"abcdef",
+		"美国甜心：达拉斯牛仔啦啦队",
+		"AMERICA'S SWEETHEARTS",
+		"2024",
+		"3.0GB",
+		"简介",
+		server.URL + "/tmdb",
+	} {
+		if strings.Contains(caption, unwanted) {
+			t.Fatalf("caption should not include %q: %s", unwanted, caption)
+		}
+	}
+}
+
+func TestTelegramDownloadCompleteNeverFallsBackToSensitiveFields(t *testing.T) {
+	caption := formatTelegramNotification(NotifyEvent{
+		Type: EventDownloadComplete,
+		Data: map[string]interface{}{
+			"save_path": "/downloads/private/movie.mkv",
+			"hash":      "abcdef",
+		},
+	})
+	for _, want := range []string{"#下载完成", "📺 任务：下载任务"} {
+		if !strings.Contains(caption, want) {
+			t.Fatalf("caption missing %q: %s", want, caption)
+		}
+	}
+	for _, unwanted := range []string{"保存路径", "/downloads/private", "Hash", "abcdef"} {
 		if strings.Contains(caption, unwanted) {
 			t.Fatalf("caption should not include %q: %s", unwanted, caption)
 		}

internal/service/notify_telegram_media.go

@@ -13,6 +13,10 @@ const (
 var telegramSeasonEpisodePattern = regexp.MustCompile(`(?i)S\d{1,2}E\d{1,3}(?:[\-.~_ ]?E?\d{1,3})?`)
 
 func formatTelegramMediaNotification(event NotifyEvent) string {
+	if strings.TrimSpace(event.Type) == EventDownloadComplete {
+		return formatTelegramDownloadCompleteNotification(event)
+	}
+
 	tag := telegramMediaTag(event.Data)
 	if tag == "" {
 		return ""
@@ -97,6 +101,17 @@ func formatTelegramMediaNotification(event NotifyEvent) string {
 	return strings.TrimSpace(strings.Join(lines, "\n"))
 }
 
+func formatTelegramDownloadCompleteNotification(event NotifyEvent) string {
+	title := telegramMessageFieldValue(event.Message, "任务", "媒体", "资源")
+	if title == "" {
+		title = telegramFirstValue(event.Data, "title", "name", "media_title", "chinese_title", "resource_title")
+	}
+	if title == "" {
+		title = "下载任务"
+	}
+	return "#下载完成\n📺 任务：" + escapeHTML(title)
+}
+
 func telegramMediaTag(data map[string]interface{}) string {
 	for _, key := range []string{"media_category", "category", "media_type"} {
 		value := strings.TrimSpace(telegramDataString(data, key))