Added remove() method.

Author: ed7coyne

Firebase.cpp

@@ -28,11 +28,16 @@ Firebase& Firebase::auth(const String& auth) {
 }
 
 String Firebase::get(const String& path) {
-  return sendRequest("GET", path);
+  return sendRequestGetBody("GET", path);
 }
 
 String Firebase::push(const String& path, const String& value) {
-  return sendRequest("POST", path, value);
+  return sendRequestGetBody("POST", path, value);
+}
+
+bool Firebase::remove(const String& path) {
+  int status = sendRequest("DELETE", path);
+  return status == HTTP_CODE_OK;
 }
 
 Firebase& Firebase::stream(const String& path) {
@@ -74,21 +79,32 @@ String Firebase::makeURL(const String& path) {
   return url;
 }
 
-String Firebase::sendRequest(const char* method, const String& path, const String& value) {
-  _error.reset();
+int Firebase::sendRequest(const char* method, const String& path, const String& value) {
   String url = makeURL(path);
   _http.begin(_host.c_str(), firebasePort, url.c_str(), true, firebaseFingerprint);
-  int statusCode = _http.sendRequest(method, (uint8_t*)value.c_str(), value.length());
-  if (statusCode < 0) {
-    _error.set(statusCode,
-	       String(method) + " " + url + ": "
-	       + HTTPClient::errorToString(statusCode));
+  int statusCode =  _http.sendRequest(method, (uint8_t*)value.c_str(), value.length());
+  setError(method, url, statusCode);
+  return statusCode;
+}
+
+String Firebase::sendRequestGetBody(const char* method, const String& path, const String& value) {
+  sendRequest(method, path, value);
+  if (_error.code() != 0) {
     return "";
   }
   // no _http.end() because of connection reuse.
   return _http.getString();
 }
 
+void Firebase::setError(const char* method, const String& url, int statusCode) {
+  _error.reset();
+  if (statusCode < 0) {
+    _error.set(statusCode,
+               String(method) + " " + url + ": "
+               + HTTPClient::errorToString(statusCode));
+  }
+}
+
 bool Firebase::connected() {
   return _http.connected();
 }

Firebase.h

@@ -52,6 +52,7 @@ class Firebase {
   }
   String get(const String& path);
   String push(const String& path, const String& value);
+  bool remove(const String& path);
   bool connected();
   Firebase& stream(const String& path);
   bool available();
@@ -63,7 +64,10 @@ class Firebase {
   Event read(String& event);
  private:
   String makeURL(const String& path);
-  String sendRequest(const char* method, const String& path, const String& value = "");
+  int sendRequest(const char* method, const String& path, const String& value = "");
+  String sendRequestGetBody(const char* method, const String& path, const String& value = "");
+  void setError(const char* method, const String& url, int status_code);
+
   HTTPClient _http;
   String _host;
   String _auth;