feat: add update command and callback for version checking and upgrading

client/bot/bot.go

@@ -19,12 +19,13 @@ import (
 	"golang.org/x/net/proxy"
 )
 
-func Init(ctx context.Context) {
+func Init(ctx context.Context) (<-chan struct{}) {
 	log.FromContext(ctx).Info("初始化 Bot...")
 	resultChan := make(chan struct {
 		client *gotgproto.Client
 		err    error
 	})
+	shouldRestart := make(chan struct{})
 	go func() {
 		var resolver dcs.Resolver
 		if config.C().Telegram.Proxy.Enable && config.C().Telegram.Proxy.URL != "" {
@@ -55,7 +56,11 @@ func Init(ctx context.Context) {
 				MaxRetries:       config.C().Telegram.RpcRetry,
 				AutoFetchReply:   true,
 				ErrorHandler: func(ctx *ext.Context, u *ext.Update, s string) error {
-					log.FromContext(ctx).Errorf("Unhandled error: %s", s)
+					if s == "SAVEANTBOT-RESTART" {
+						shouldRestart <- struct{}{}
+						return dispatcher.EndGroups
+					}
+					log.FromContext(ctx).Errorf("unhandled error: %s", s)
 					return dispatcher.EndGroups
 				},
 			},
@@ -103,4 +108,5 @@ func Init(ctx context.Context) {
 		handlers.Register(result.client.Dispatcher)
 		log.FromContext(ctx).Info("Bot 初始化完成")
 	}
+	return shouldRestart
 }

client/bot/handlers/register.go

@@ -41,6 +41,8 @@ func Register(disp dispatcher.Dispatcher) {
 	disp.AddHandler(handlers.NewCommand("unwatch", handleUnwatchCmd))
 	disp.AddHandler(handlers.NewCommand("save", handleSilentMode(handleSaveCmd, handleSilentSaveReplied)))
 	disp.AddHandler(handlers.NewCommand("config", handleConfigCmd))
+	disp.AddHandler(handlers.NewCommand("update", handleUpdateCmd))
+	disp.AddHandler(handlers.NewCallbackQuery(filters.CallbackQuery.Prefix("update"), handleUpdateCallback))
 	disp.AddHandler(handlers.NewCallbackQuery(filters.CallbackQuery.Prefix(tcbdata.TypeAdd), handleAddCallback))
 	disp.AddHandler(handlers.NewCallbackQuery(filters.CallbackQuery.Prefix(tcbdata.TypeSetDefault), handleSetDefaultCallback))
 	disp.AddHandler(handlers.NewCallbackQuery(filters.CallbackQuery.Prefix(tcbdata.TypeCancel), handleCancelCallback))

client/bot/handlers/update.go

@@ -0,0 +1,105 @@
+package handlers
+
+import (
+	"errors"
+	"fmt"
+	"regexp"
+	"strings"
+
+	"github.com/blang/semver"
+	"github.com/celestix/gotgproto/dispatcher"
+	"github.com/celestix/gotgproto/ext"
+	"github.com/gotd/td/telegram/message/html"
+	"github.com/gotd/td/tg"
+	"github.com/krau/SaveAny-Bot/config"
+	"github.com/rhysd/go-github-selfupdate/selfupdate"
+)
+
+func handleUpdateCmd(ctx *ext.Context, u *ext.Update) error {
+	currentV, err := semver.Parse(config.Version)
+	if err != nil {
+		ctx.Reply(u, ext.ReplyTextString(fmt.Sprintf("You are in dev or the version var failed to inject: %v", err)), nil)
+		return dispatcher.EndGroups
+	}
+	latest, ok, err := selfupdate.DetectLatest(config.GitRepo)
+	if err != nil {
+		ctx.Reply(u, ext.ReplyTextString(fmt.Sprintf("检测最新版本失败: %v", err)), nil)
+		return dispatcher.EndGroups
+	}
+	if !ok {
+		ctx.Reply(u, ext.ReplyTextString("没有找到版本信息"), nil)
+		return dispatcher.EndGroups
+	}
+	if latest.Version.Equals(currentV) {
+		return dispatcher.EndGroups
+	}
+	if latest.Version.LT(currentV) || latest.Version.Equals(currentV) {
+		ctx.Reply(u, ext.ReplyTextString(fmt.Sprintf("当前已经是最新版本: %s", config.Version)), nil)
+		return dispatcher.EndGroups
+	}
+	ctx.Sender.To(u.GetUserChat().AsInputPeer()).StyledText(ctx, html.String(nil, func() string {
+		md := latest.ReleaseNotes
+		md = regexp.MustCompile(`(?m)^###\s+&nbsp;&nbsp;&nbsp;(.+)$`).ReplaceAllString(md, "<b>$1</b>")
+		md = regexp.MustCompile(`(?m)^#####\s+&nbsp;&nbsp;&nbsp;&nbsp;(.+)$`).ReplaceAllString(md, "<i>$1</i>")
+
+		md = regexp.MustCompile(`(?m)^- `).ReplaceAllString(md, "• ")
+
+		md = regexp.MustCompile(`\[\((\w{6,})\)\]\((https?://[^\s)]+)\)`).ReplaceAllString(md, `(<a href="$2">$1</a>)`)
+
+		md = regexp.MustCompile(`\[(.+?)\]\((https?://[^\s)]+)\)`).ReplaceAllString(md, `<a href="$2">$1</a>`)
+
+		md = strings.ReplaceAll(md, "&nbsp;", " ")
+
+		return `<blockquote expandable>` + md + `</blockquote>`
+	}()))
+	text := fmt.Sprintf(`发现新版本: %s
+当前版本: %s
+
+文件大小: %.2f MB
+下载链接: %s
+发布时间: %s
+
+升级将重启 Bot , 是否升级?`, latest.Version, config.Version,
+		float64(latest.AssetByteSize)/(1024*1024), latest.AssetURL,
+		latest.PublishedAt.Format("2006-01-02 15:04:05"),
+	)
+	ctx.Reply(u, ext.ReplyTextString(text), &ext.ReplyOpts{
+		Markup: &tg.ReplyInlineMarkup{
+			Rows: []tg.KeyboardButtonRow{
+				{
+					Buttons: []tg.KeyboardButtonClass{
+						&tg.KeyboardButtonCallback{
+							Text: "升级",
+							Data: []byte("update"),
+						},
+					},
+				},
+			},
+		},
+	})
+	return dispatcher.EndGroups
+}
+
+func handleUpdateCallback(ctx *ext.Context, u *ext.Update) error {
+	currentV, err := semver.Parse(config.Version)
+	if err != nil {
+		return err
+	}
+	ctx.EditMessage(u.GetUserChat().GetID(), &tg.MessagesEditMessageRequest{
+		ID:      u.CallbackQuery.GetMsgID(),
+		Message: fmt.Sprintf("正在升级中, 当前版本: %s", config.Version),
+	})
+	latest, err := selfupdate.UpdateSelf(currentV, config.GitRepo)
+	if err != nil {
+		ctx.EditMessage(u.GetUserChat().GetID(), &tg.MessagesEditMessageRequest{
+			ID:      u.CallbackQuery.GetMsgID(),
+			Message: fmt.Sprintf("升级失败: %v", err),
+		})
+		return dispatcher.EndGroups
+	}
+	ctx.EditMessage(u.GetUserChat().GetID(), &tg.MessagesEditMessageRequest{
+		ID:      u.CallbackQuery.GetMsgID(),
+		Message: fmt.Sprintf("已升级至版本 %s\n若 Bot 未自动重启请手动启动", latest.Version),
+	})
+	return errors.New("SAVEANTBOT-RESTART")
+}