feat: provide safety against accidental memo creation

implementation of unmerged upstream usememos#96

Author: twaslowski

.github/workflows/build-image.yml

@@ -16,7 +16,8 @@ permissions:
   contents: write
 
 jobs:
-  goreleaser:
+  build-docker-image:
+    name: Build and push Docker image
     runs-on: ubuntu-latest
     steps:
       - name: Checkout

memogram.go

@@ -189,7 +189,19 @@ func (s *Service) handler(ctx context.Context, b *bot.Bot, m *models.Update) {
 		return
 	}
 	message := m.Message
-	if strings.HasPrefix(message.Text, "/start ") {
+	if strings.EqualFold(message.Text, "/start") {
+		b.SendMessage(ctx, &bot.SendMessageParams{
+			ChatID: message.Chat.ID,
+			Text:   "Please provide the access token: /start <access_token>",
+		})
+		return
+	} else if strings.EqualFold(message.Text, "/search") {
+		b.SendMessage(ctx, &bot.SendMessageParams{
+			ChatID: message.Chat.ID,
+			Text:   "Usage: /search <search_string>",
+		})
+		return
+	} else if strings.HasPrefix(message.Text, "/start ") {
 		s.startHandler(ctx, b, m)
 		return
 	} else if strings.HasPrefix(message.Text, "/search ") {