[temporary commit]

src/AgApiClient.cpp

@@ -0,0 +1,129 @@
+#include "AgApiClient.h"
+#include <HTTPClient.h>
+
+void AgApiClient::printLog(String log) {
+  debugLog.printf("[AgApiClient] %s\r\n", log.c_str());
+  // Serial.printf("[AgApiClient] %s\r\n", log.c_str());
+}
+
+AgApiClient::AgApiClient(Stream &debug, AgConfigure &config)
+    : debugLog(debug), config(config) {}
+
+AgApiClient::~AgApiClient() {}
+
+/**
+ * @brief Initialize the API client
+ *
+ */
+void AgApiClient::begin(void) {
+  getConfigFailed = false;
+  postToServerFailed = false;
+  printLog("Begin");
+}
+
+/**
+ * @brief Get configuration from AirGradient cloud
+ *
+ * @param deviceId Device ID
+ * @return true Success
+ * @return false Failure
+ */
+bool AgApiClient::fetchServerConfiguration(String deviceId) {
+  if (config.getConfigurationControl() ==
+      ConfigurationControl::ConfigurationControlLocal) {
+    printLog("Ignore fetch server configuratoin");
+
+    // Clear server configuration failed flag, cause it's ignore but not
+    // really failed
+    getConfigFailed = false;
+    return false;
+  }
+
+  String uri = "http://hw.airgradient.com/sensors/airgradient:" + deviceId +
+               "/one/config";
+
+  /** Init http client */
+  HTTPClient client;
+  if (client.begin(uri) == false) {
+    getConfigFailed = true;
+    return false;
+  }
+
+  /** Get data */
+  int retCode = client.GET();
+  if (retCode != 200) {
+    client.end();
+    getConfigFailed = true;
+    return false;
+  }
+
+  /** clear failed */
+  getConfigFailed = false;
+
+  /** Get response string */
+  String respContent = client.getString();
+  client.end();
+
+  printLog("Server configuration: " + respContent);
+
+  /** Parse configuration and return result */
+  return config.parse(respContent, false);
+}
+
+/**
+ * @brief Post data to AirGradient cloud
+ *
+ * @param deviceId Device Id
+ * @param data String JSON
+ * @return true Success
+ * @return false Failure
+ */
+bool AgApiClient::postToServer(String deviceId, String data) {
+  if (config.isPostDataToAirGradient() == false) {
+    printLog("Ignore post data to server");
+    return true;
+  }
+
+  if (WiFi.isConnected() == false) {
+    return false;
+  }
+
+  String uri =
+      "http://hw.airgradient.com/sensors/airgradient:" + deviceId + "/measures";
+  printLog("Post uri: " + uri);
+  printLog("Post data: " + data);
+
+  WiFiClient wifiClient;
+  HTTPClient client;
+  if (client.begin(wifiClient, uri.c_str()) == false) {
+    return false;
+  }
+  client.addHeader("content-type", "application/json");
+  int retCode = client.POST(data);
+  client.end();
+
+  if ((retCode == 200) || (retCode == 429)) {
+    postToServerFailed = false;
+    return true;
+  } else {
+    printLog("Post response failed code: " + String(retCode));
+  }
+  postToServerFailed = true;
+  return false;
+}
+
+/**
+ * @brief Get failed status when get configuration from AirGradient cloud
+ *
+ * @return true Success
+ * @return false Failure
+ */
+bool AgApiClient::isFetchConfigureFailed(void) { return getConfigFailed; }
+
+/**
+ * @brief Get failed status when post data to AirGradient cloud
+ *
+ * @return true Success
+ * @return false Failure
+ */
+bool AgApiClient::isPostToServerFailed(void) { return postToServerFailed; }

src/AgApiClient.h

@@ -0,0 +1,38 @@
+/**
+ * @file AgApiClient.h
+ * @brief HTTP client connect post data to Aigradient cloud.
+ * @version 0.1
+ * @date 2024-Apr-02
+ *
+ * @copyright Copyright (c) 2024
+ *
+ */
+
+#ifndef _AG_API_CLIENT_H_
+#define _AG_API_CLIENT_H_
+
+#include "AgConfigure.h"
+#include <Arduino.h>
+
+class AgApiClient {
+private:
+  Stream &debugLog;
+  AgConfigure &config;
+
+  bool getConfigFailed;;
+  bool postToServerFailed;
+
+  void printLog(String log);
+
+public:
+  AgApiClient(Stream &stream, AgConfigure &config);
+  ~AgApiClient();
+
+  void begin(void);
+  bool fetchServerConfiguration(String deviceId);
+  bool postToServer(String deviceId, String data);
+  bool isFetchConfigureFailed(void);
+  bool isPostToServerFailed(void);
+};
+
+#endif /** _AG_API_CLIENT_H_ */