add a dirty hack to determine file upload

Author: ba0f3

examples/echo_bot.nim

@@ -15,7 +15,7 @@ proc handleUpdate(bot: TeleBot): UpdateCallback =
       message.disableNotification = true
       message.replyToMessageId = response.messageId
       message.parseMode = "markdown"
-      discard bot.send(message)
+      discard await bot.send(message)
   result = cb
 
 proc greatingHandler(bot: Telebot): CommandCallback =

telebot.nimble

@@ -1,4 +1,4 @@
-version       = "0.3.5"
+version       = "0.3.6"
 author        = "Huy Doan"
 description   = "Async Telegram Bot API Client"
 license       = "MIT"

telebot/api.nim

@@ -213,7 +213,7 @@ proc exportChatInviteLink*(b: TeleBot, chatId: string): Future[string] {.async.}
   let res = await makeRequest(endpoint % b.token, data)
   result = res.getStr
 
-proc setChatPhoto*(b: TeleBot, chatId: string, photo: InputFile): Future[bool] {.async.} =
+proc setChatPhoto*(b: TeleBot, chatId: string, photo: string): Future[bool] {.async.} =
   END_POINT("setChatPhoto")
   var data = newMultipartData()
   data["chat_id"] = chatId
@@ -307,7 +307,7 @@ proc getStickerSet*(b: TeleBot, name: string): Future[StickerSet] {.async.} =
   let res = await makeRequest(endpoint % b.token, data)
   result = unmarshal(res, StickerSet)
 
-proc uploadStickerFile*(b: TeleBot, userId: int, pngSticker: InputFile): Future[types.File] {.async.} =
+proc uploadStickerFile*(b: TeleBot, userId: int, pngSticker: string): Future[types.File] {.async.} =
   END_POINT("uploadStickerFile")
   var data = newMultipartData()
   data["user_id"] = $userId

telebot/types.nim

@@ -1,8 +1,6 @@
 import options, tables, asyncevents
 
 type
-  InputFile* = string
-
   TelegramObject* = object of RootObj
 
   TeleBot* = ref object of TelegramObject

telebot/utils.nim

@@ -183,9 +183,12 @@ proc newProcDef(name: string): NimNode {.compileTime.} =
      newStmtList()
    )
 
-proc addData*(p: var MultipartData, name: string, content: auto) {.inline.} =
-  when content is InputFile:
-    p.addFiles({name: content})
+proc addData*(p: var MultipartData, name: string, content: auto, fileCheck = false) {.inline.} =
+  when content is string:
+    if fileCheck and content.startsWith("file://"):
+      p.addFiles({name: content[7..content.len-1]})
+    else:
+      p.add(name, $content)
   else:
     p.add(name, $content)
 
@@ -250,12 +253,21 @@ macro magic*(head, body: untyped): untyped =
         node[0]
       ))
 
+      # dirty hack to determine if the field might be `InputFile`
+      # if  field is InputFile or string, `addData` will checks if it starts w/ file://
+      # and do file upload
+      var fileCheck = ident("false")
+      if toLowerAscii(fieldName) == toLowerAscii($objNameNode):
+        fileCheck = ident("true")
+
+
       objSendProcBody.add(
         newCall(
           ident("addData"),
           ident("data"),
           newStrLitNode(formatName(fieldName)),
-          newDotExpr(ident("m"), node[0])
+          newDotExpr(ident("m"), node[0]),
+          fileCheck
       ))
 
     of nnkPragmaExpr: