From 781bddf20cbf7db3a9a4b01937699cff1e52bceb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=A9rald=20Guiony?=
 <42507043+gerald-guiony@users.noreply.github.com>
Date: Sat, 22 Jun 2019 18:24:01 +0200
Subject: [PATCH]  json response is more human readable with
 PrettyAsyncJsonResponse class (#398)

* Update AsyncJson.h

Adding PrettyAsyncJsonResponse class

* Update AsyncJson.h

* Adding a PrettyAsyncJsonResponse class

json response is more human readable than with AsyncJsonResponse
---
 src/AsyncJson.h | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/AsyncJson.h b/src/AsyncJson.h
index b9631ea..52b12f7 100644
--- a/src/AsyncJson.h
+++ b/src/AsyncJson.h
@@ -78,7 +78,7 @@ class ChunkPrint : public Print {
 };
 
 class AsyncJsonResponse: public AsyncAbstractResponse {
-  private:
+  protected:
 
 #ifdef ARDUINOJSON_5_COMPATIBILITY
     DynamicJsonBuffer _jsonBuffer;
@@ -140,6 +140,21 @@ class AsyncJsonResponse: public AsyncAbstractResponse {
     }
 };
 
+class PrettyAsyncJsonResponse: public AsyncJsonResponse {	
+public:
+	PrettyAsyncJsonResponse (bool isArray=false) : AsyncJsonResponse{isArray} {}	
+	size_t setLength () {
+		_contentLength = _root.measurePrettyLength ();
+		if (_contentLength) {_isValid = true;}
+		return _contentLength;
+	}
+	size_t _fillBuffer (uint8_t *data, size_t len) {
+		ChunkPrint dest (data, _sentLength, len);
+		_root.prettyPrintTo (dest);
+		return len;
+	}
+};
+
 typedef std::function<void(AsyncWebServerRequest *request, JsonVariant &json)> ArJsonRequestHandlerFunction;
 
 class AsyncCallbackJsonWebHandler: public AsyncWebHandler {