wiowntone/api.ino

#include <HTTPClient.h>
#include <FirebaseJson.h>

#define PLAYER_UPDATE_INTERVAL_MS (500)

static unsigned long playerLastUpdateTime = 0;

String httpURL(String path) {
  return String(OWNTONE_SERVER_ADDRESS) + "/api/" + path;
}

String httpGET(String path) {
  HTTPClient http;

  Serial.println(httpURL(path));
  
  http.begin(httpURL(path));
  http.GET();
  String out = http.getString();
  http.end();

  return out;
}

void apiDebug(AppState *state) {
  
}

void apiLoop(AppState *state) {
  bool playerNeedsUpdate = (state->sinceBoot - playerLastUpdateTime) > PLAYER_UPDATE_INTERVAL_MS;
  playerNeedsUpdate = playerNeedsUpdate || (playerLastUpdateTime > state->sinceBoot);
  if (playerNeedsUpdate) {
    String playerText = httpGET(String("player"));
    FirebaseJson json;
    json.setJsonData(playerText);
    FirebaseJsonData result;
    json.get(result, "volume");
    Serial.println(result.type);
    Serial.println(result.to<int>());

    state->volume = result.to<int>();

    playerLastUpdateTime = state->sinceBoot;
  }
}

void apiSetup(AppState *state) {
  
}