Dont make db calls if the inline query is null

Signed-off-by: baalajimaestro <me@baalajimaestro.me>

src/nim_censor_bot.nim

@@ -187,6 +187,7 @@ proc inlineHandler(b: Telebot, u: InlineQuery): Future[bool]{.async.} =
     var results: seq[InlineQueryResultArticle]
     res.kind = "article"
     res.id = "1"
+    if u.query != "":
         if not dbConn.exists(CensoredData, "fhash = ?",u.query):
           res.title = "Media Not Found"
           res.inputMessageContent = InputTextMessageContent(
@@ -206,6 +207,10 @@ proc inlineHandler(b: Telebot, u: InlineQuery): Future[bool]{.async.} =
                 u.query &
                 ")",
                 parseMode: some("Markdown")).some
+    else:
+      res.title = "Waiting for File Hash"
+      res.inputMessageContent = InputTextMessageContent(
+            "Provide the filehash on inline query").some
     results.add(res)
     discard await b.answerInlineQuery(u.id, results)