Added prepare() and post() and applied Google formatting.

Author: tobiasschuerg

InfluxData.h

@@ -1,28 +1,18 @@
 
-class InfluxData
-{
-
-public:
+class InfluxData {
+ public:
   InfluxData(String measurement) : _measurement(measurement) {}
 
-  void addTag(String key, String value)
-  {
-    _tags += "," + key + "=" + value;
-  }
-  void addValue(String key, float value)
-  {
+  void addTag(String key, String value) { _tags += "," + key + "=" + value; }
+  void addValue(String key, float value) {
     _values = (_values == "") ? (" ") : (_values += ",");
     _values += key + "=" + String(value);
   }
 
-  String toString()
-  {
-    return _measurement + _tags + _values;
-  }
+  String toString() const { return _measurement + _tags + _values; }
 
-private:
+ private:
   String _measurement;
   String _tags;
   String _values;
-  
 };

InfluxDb.cpp

@@ -1,22 +1,20 @@
-#include "Arduino.h"
 #include "InfluxDb.h"
+#include "Arduino.h"
 
 /**
  * Construct an InfluxDb instance.
  * @param host the InfluxDb host
  * @param port the InfluxDb port
  */
-Influxdb::Influxdb(String host, uint16_t port)
-{
+Influxdb::Influxdb(String host, uint16_t port) {
   _port = port;
   _host = host;
 }
 
 /**
  * Set the database to be used.
  */
-void Influxdb::setDb(String db)
-{
+void Influxdb::setDb(String db) {
   _db = String(db);
   // TODO: recreate client on db change
   // http = new HTTPClient();
@@ -26,19 +24,25 @@ void Influxdb::setDb(String db)
 
 // TODO: set db with user & password
 
+void Influxdb::prepare(InfluxData data) { prepared.push_back(data); }
+
+boolean Influxdb::post() {
+  String data = "";
+  for (auto const& i : prepared) {
+    data = (data == "") ? (i.toString()) : (data + "\n" + i.toString());
+  }
+  return post(data);
+}
+
 /**
  * Send a single measurement to the InfluxDb.
  */
-boolean Influxdb::post(InfluxData data)
-{
-  return post(data.toString());
-}
+boolean Influxdb::post(InfluxData data) { return post(data.toString()); }
 
 /**
  * Send raw data to InfluxDb.
  */
-boolean Influxdb::post(String data)
-{
+boolean Influxdb::post(String data) {
   Serial.print(" -> writing to " + _db + ": ");
   Serial.println(data);
 
@@ -50,13 +54,9 @@ boolean Influxdb::post(String data)
   Serial.println(" \"" + response + "\"");
 
   boolean success;
-  if (httpResponseCode == 204)
-  {
-
+  if (httpResponseCode == 204) {
     success = true;
-  }
-  else
-  {
+  } else {
     Serial.println("#####\nPOST FAILED\n#####");
     success = false;
   }

InfluxDb.h

@@ -1,6 +1,8 @@
 
 #include "Arduino.h"
 #include <ESP8266HTTPClient.h>
+#include <list>
+
 #include "InfluxData.h"
 
 class Influxdb
@@ -10,6 +12,9 @@ class Influxdb
 
   void setDb(String db);
 
+  void prepare(InfluxData data);
+  boolean post();
+
   boolean post(InfluxData data);
   boolean post(String data);
 
@@ -18,4 +23,5 @@ class Influxdb
   String _host;
   uint16_t _port;
   String _db;
+  std::list<InfluxData> prepared;
 };