feat: notify by telegram while new memo create by HTTP (#2215)

* Inject telegram bot into API service

* Add support for send telegram message

* Send notification by telegram while new memo post

api/v1/memo.go

@@ -11,8 +11,10 @@ import (
 	"github.com/labstack/echo/v4"
 	"github.com/pkg/errors"
 	"github.com/usememos/memos/api/auth"
+	"github.com/usememos/memos/common/log"
 	"github.com/usememos/memos/common/util"
 	"github.com/usememos/memos/store"
+	"go.uber.org/zap"
 )
 
 // Visibility is the type of a visibility.
@@ -351,6 +353,38 @@ func (s *APIV1Service) CreateMemo(c echo.Context) error {
 	if err != nil {
 		return echo.NewHTTPError(http.StatusInternalServerError, "Failed to compose memo response").SetInternal(err)
 	}
+
+	// send notification by telegram bot if memo is not Private
+	if memoResponse.Visibility != Private {
+		// fetch all telegram UserID
+		userSettings, err := s.Store.ListUserSettings(ctx, &store.FindUserSetting{Key: UserSettingTelegramUserIDKey.String()})
+		if err != nil {
+			return echo.NewHTTPError(http.StatusInternalServerError, "Failed to ListUserSettings").SetInternal(err)
+		}
+		for _, userSetting := range userSettings {
+			// parse telegram UserID setting value into a int64
+			var tgUserIDStr string
+			err := json.Unmarshal([]byte(userSetting.Value), &tgUserIDStr)
+			if err != nil {
+				log.Error("failed to parse Telegram UserID", zap.Error(err))
+				continue
+			}
+
+			tgUserID, err := strconv.ParseInt(tgUserIDStr, 10, 64)
+			if err != nil {
+				log.Error("failed to parse Telegram UserID", zap.Error(err))
+				continue
+			}
+
+			// send notification to telegram
+			content := memoResponse.CreatorName + " Says:\n\n" + memoResponse.Content
+			_, err = s.telegramBot.SendMessage(ctx, tgUserID, content)
+			if err != nil {
+				log.Error("Failed to send Telegram notification", zap.Error(err))
+				continue
+			}
+		}
+	}
 	return c.JSON(http.StatusOK, memoResponse)
 }
 

api/v1/v1.go

@@ -2,14 +2,16 @@ package v1
 
 import (
 	"github.com/labstack/echo/v4"
+	"github.com/usememos/memos/plugin/telegram"
 	"github.com/usememos/memos/server/profile"
 	"github.com/usememos/memos/store"
 )
 
 type APIV1Service struct {
-	Secret  string
-	Profile *profile.Profile
-	Store   *store.Store
+	Secret      string
+	Profile     *profile.Profile
+	Store       *store.Store
+	telegramBot *telegram.Bot
 }
 
 // @title						memos API
@@ -31,11 +33,12 @@ type APIV1Service struct {
 // @in							query
 // @name						openId
 // @description				Insert your Open ID API Key here.
-func NewAPIV1Service(secret string, profile *profile.Profile, store *store.Store) *APIV1Service {
+func NewAPIV1Service(secret string, profile *profile.Profile, store *store.Store, telegramBot *telegram.Bot) *APIV1Service {
 	return &APIV1Service{
-		Secret:  secret,
-		Profile: profile,
-		Store:   store,
+		Secret:      secret,
+		Profile:     profile,
+		Store:       store,
+		telegramBot: telegramBot,
 	}
 }
 

plugin/telegram/api_send_message.go

@@ -9,9 +9,12 @@ import (
 // SendReplyMessage make a sendMessage api request.
 func (b *Bot) SendReplyMessage(ctx context.Context, chatID, replyID int64, text string) (*Message, error) {
 	formData := url.Values{
-		"reply_to_message_id": {strconv.FormatInt(replyID, 10)},
-		"chat_id":             {strconv.FormatInt(chatID, 10)},
-		"text":                {text},
+		"chat_id": {strconv.FormatInt(chatID, 10)},
+		"text":    {text},
+	}
+
+	if replyID > 0 {
+		formData.Set("reply_to_message_id", strconv.FormatInt(replyID, 10))
 	}
 
 	var result Message
@@ -22,3 +25,8 @@ func (b *Bot) SendReplyMessage(ctx context.Context, chatID, replyID int64, text
 
 	return &result, nil
 }
+
+// SendMessage make a sendMessage api request.
+func (b *Bot) SendMessage(ctx context.Context, chatID int64, text string) (*Message, error) {
+	return b.SendReplyMessage(ctx, chatID, 0, text)
+}

server/server.go

@@ -46,6 +46,7 @@ func NewServer(ctx context.Context, profile *profile.Profile, store *store.Store
 	e.HideBanner = true
 	e.HidePort = true
 
+	telegramBot := telegram.NewBotWithHandler(newTelegramHandler(store))
 	s := &Server{
 		e:       e,
 		Store:   store,
@@ -53,7 +54,7 @@ func NewServer(ctx context.Context, profile *profile.Profile, store *store.Store
 
 		// Asynchronous runners.
 		backupRunner: service.NewBackupRunner(store),
-		telegramBot:  telegram.NewBotWithHandler(newTelegramHandler(store)),
+		telegramBot:  telegramBot,
 	}
 
 	e.Use(middleware.LoggerWithConfig(middleware.LoggerConfig{
@@ -103,7 +104,7 @@ func NewServer(ctx context.Context, profile *profile.Profile, store *store.Store
 	s.Secret = secret
 
 	rootGroup := e.Group("")
-	apiV1Service := apiv1.NewAPIV1Service(s.Secret, profile, store)
+	apiV1Service := apiv1.NewAPIV1Service(s.Secret, profile, store, telegramBot)
 	apiV1Service.Register(rootGroup)
 
 	s.apiV2Service = apiv2.NewAPIV2Service(s.Secret, profile, store, s.Profile.Port+1)