Moved checkForOk response to public functions

Author: rusboard

examples/ESP8266/SendPhoto/PhotoFromFileID/PhotoFromFileID.ino

@@ -38,18 +38,26 @@ void handleNewMessages(int numNewMessages) {
     if (text == "/get_test_photo") {
       String response = bot.sendPhoto(chat_id, test_photo_url, "This photo was sent using URL");
 
-      DynamicJsonBuffer jsonBuffer;
-      JsonObject& images = jsonBuffer.parseObject(response);
-
-      // There are 3 image sizes after Telegram has process photo
-      // You may choose what you want, in example was choosed bigger size
-      int photosArrayLength = images["result"]["photo"].size();
-
-      if (photosArrayLength > 0) {
-        String file_id = images["result"]["photo"][photosArrayLength-1]["file_id"];
-
-        if (file_id) {
-          bot.sendPhoto(chat_id, file_id, "This photo was sent using File ID");
+      if (bot.checkForOkResponse(response)) {
+        DynamicJsonBuffer jsonBuffer;
+        JsonObject& images = jsonBuffer.parseObject(response);
+
+        // There are 3 image sizes after Telegram has process photo
+        // You may choose what you want, in example was choosed bigger size
+        int photosArrayLength = images["result"]["photo"].size();
+
+        if (photosArrayLength > 0) {
+          String file_id = images["result"]["photo"][photosArrayLength-1]["file_id"];
+
+          if (file_id) {
+            String send_photo_by_file_id_response = bot.sendPhoto(chat_id, file_id, "This photo was sent using File ID");
+
+            if (bot.checkForOkResponse(send_photo_by_file_id_response)) {
+              // do something
+            } else {
+              // or not to do
+            }
+          }
         }
       }
     }

src/UniversalTelegramBot.h

@@ -74,6 +74,7 @@ class UniversalTelegramBot
         bool disable_notification = false, int reply_to_message_id = 0, String keyboard = "");
 
     int getUpdates(long offset);
+    bool checkForOkResponse(String response);
     telegramMessage messages[HANDLE_MESSAGES];
     long last_message_received;
     String name;
@@ -84,7 +85,6 @@ class UniversalTelegramBot
     String _token;
     Client *client;
     const int maxMessageLength = 1300;
-    bool checkForOkResponse(String response);
     bool _debug = false;
 };