Added support for ESP32

Author: witnessmenow

examples/ESP32/ChannelStatistics/ChannelStatistics.ino

@@ -0,0 +1,78 @@
+/*******************************************************************
+ *  Read YouTube Channel statistics from the YouTube API using an
+ *  ESP32
+ *
+ *  By Brian Lough
+ *  https://www.youtube.com/channel/UCezJOfu7OtqGzd5xrP3q6WA
+ *******************************************************************/
+
+#include <YoutubeApi.h>
+#include <WiFi.h>
+#include <WiFiClientSecure.h>
+
+#include <ArduinoJson.h> // This Sketch doesn't technically need this, but the library does so it must be installed.
+
+//------- Replace the following! ------
+char ssid[] = "ssid";       // your network SSID (name)
+char password[] = "password";  // your network key
+#define API_KEY "ENTER_YOUR_API_KEY"  // your google apps API Token
+#define CHANNEL_ID "UCezJOfu7OtqGzd5xrP3q6WA" // makes up the url of channel
+
+
+WiFiClientSecure client;
+YoutubeApi api(API_KEY, client);
+
+unsigned long api_mtbs = 60000; //mean time between api requests
+unsigned long api_lasttime;   //last time api request has been done
+
+long subs = 0;
+
+void setup() {
+
+  Serial.begin(115200);
+
+  // Attempt to connect to Wifi network:
+  Serial.print("Connecting Wifi: ");
+  Serial.println(ssid);
+
+  /* Explicitly set the ESP32 to be a WiFi-client, otherwise, it by default,
+     would try to act as both a client and an access-point and could cause
+     network-issues with your other WiFi-devices on your WiFi-network. */
+  WiFi.mode(WIFI_STA);
+  WiFi.begin(ssid, password);
+  while (WiFi.status() != WL_CONNECTED) {
+    Serial.print(".");
+    delay(500);
+  }
+  Serial.println("");
+  Serial.println("WiFi connected");
+  Serial.println("IP address: ");
+  IPAddress ip = WiFi.localIP();
+  Serial.println(ip);
+
+
+}
+
+void loop() {
+
+  if (millis() - api_lasttime > api_mtbs)  {
+    if(api.getChannelStatistics(CHANNEL_ID))
+    {
+      Serial.println("---------Stats---------");
+      Serial.print("Subscriber Count: ");
+      Serial.println(api.channelStats.subscriberCount);
+      Serial.print("View Count: ");
+      Serial.println(api.channelStats.viewCount);
+      Serial.print("Comment Count: ");
+      Serial.println(api.channelStats.commentCount);
+      Serial.print("Video Count: ");
+      Serial.println(api.channelStats.videoCount);
+      // Probably not needed :)
+      //Serial.print("hiddenSubscriberCount: ");
+      //Serial.println(api.channelStats.hiddenSubscriberCount);
+      Serial.println("------------------------");
+
+    }
+    api_lasttime = millis();
+  }
+}

library.properties

@@ -1,5 +1,5 @@
 name=YoutubeApi
-version=1.0.0
+version=1.1.0
 author=Brian Lough
 maintainer=Brian Lough <[email protected]>
 sentence=A wrapper for the YouTube API for Arduino (supports ESP8266 & WiFi101 boards)

src/YoutubeApi.cpp

@@ -35,11 +35,14 @@ String YoutubeApi::sendGetToYoutube(String command) {
 	bool avail;
 	// Connect with youtube api over ssl
 	if (client->connect(YTAPI_HOST, YTAPI_SSL_PORT)) {
-		// Serial.println(".... connected to server");
+		if(_debug) { Serial.println(".... connected to server"); }
 		String a="";
 		char c;
 		int ch_count=0;
-		client->println("GET "+command+"&key="+_apiKey);
+		client->println("GET " + command + "&key=" + _apiKey + " HTTP/1.1");
+		client->print("HOST: ");
+		client->println(YTAPI_HOST);
+		client->println();
 		now=millis();
 		avail=false;
 		while (millis() - now < YTAPI_TIMEOUT) {
@@ -72,20 +75,22 @@ String YoutubeApi::sendGetToYoutube(String command) {
 				}
 			}
 			if (avail) {
-				//Serial.println("Body:");
-				//Serial.println(body);
-				//Serial.println("END");
+				if(_debug) {
+					Serial.println("Body:");
+					Serial.println(body);
+					Serial.println("END");
+				}
 				break;
 			}
 		}
 	}
-
+	closeClient();
 	return body;
 }
 
 bool YoutubeApi::getChannelStatistics(String channelId){
-	String command="https://" YTAPI_HOST "/youtube/v3/channels?part=statistics&id="+channelId; //If you can't find it(for example if you have a custom url) look here: https://www.youtube.com/account_advanced
-	//Serial.println(command);
+	String command="/youtube/v3/channels?part=statistics&id="+channelId; //If you can't find it(for example if you have a custom url) look here: https://www.youtube.com/account_advanced
+	if(_debug) { Serial.println(F("Closing client")); }
 	String response = sendGetToYoutube(command);       //recieve reply from youtube
 	DynamicJsonBuffer jsonBuffer;
 	JsonObject& root = jsonBuffer.parseObject(response);
@@ -109,3 +114,10 @@ bool YoutubeApi::getChannelStatistics(String channelId){
 
 	return false;
 }
+
+void YoutubeApi::closeClient() {
+	if(client->connected()) {
+		if(_debug) { Serial.println(F("Closing client")); }
+		client->stop();
+	}
+}

src/YoutubeApi.h

@@ -46,12 +46,14 @@ class YoutubeApi
     String sendGetToYoutube(String command);
     bool getChannelStatistics(String channelId);
     channelStatistics channelStats;
+    bool _debug = false;
 
   private:
     String _apiKey;
     Client *client;
     const int maxMessageLength = 1000;
     bool checkForOkResponse(String response);
+    void closeClient();
 };
 
 #endif