🎐 Makes analytics a part of system service

esp32/lib/ESP32-sveltekit/analytics_service.h

@@ -1,32 +0,0 @@
-#pragma once
-
-#include <ArduinoJson.h>
-#include <filesystem.h>
-#include <event_socket.h>
-#include <system_service.h>
-#include <WiFi.h>
-#include <timing.h>
-
-#define MAX_ESP_ANALYTICS_SIZE 2024
-#define EVENT_ANALYTICS "analytics"
-#define ANALYTICS_INTERVAL 2000
-
-class AnalyticsService {
-  public:
-    AnalyticsService() {};
-
-    void loop() { EXECUTE_EVERY_N_MS(ANALYTICS_INTERVAL, updateAnalytics()); };
-
-  private:
-    JsonDocument doc;
-    char message[MAX_ESP_ANALYTICS_SIZE];
-
-    void updateAnalytics() {
-        if (!socket.hasSubscribers(EVENT_ANALYTICS)) return;
-        doc.clear();
-        JsonObject root = doc.to<JsonObject>();
-        system_service::metrics(root);
-        serializeJson(doc, message);
-        socket.emit(EVENT_ANALYTICS, message);
-    }
-};

esp32/lib/ESP32-sveltekit/features.cpp

@@ -8,7 +8,6 @@ void features(JsonObject &root) {
     root["download_firmware"] = USE_DOWNLOAD_FIRMWARE;
     root["sleep"] = USE_SLEEP;
     root["battery"] = USE_BATTERY;
-    root["analytics"] = USE_ANALYTICS;
     root["camera"] = USE_CAMERA;
     root["imu"] = USE_IMU;
     root["mag"] = USE_MAG;

esp32/lib/ESP32-sveltekit/features.h

@@ -32,11 +32,6 @@
 #define USE_BATTERY 0
 #endif
 
-// ESP32 analytics on by default
-#ifndef USE_ANALYTICS
-#define USE_ANALYTICS 1
-#endif
-
 // ESP32 camera off by default
 #ifndef USE_CAMERA
 #define USE_CAMERA 0

esp32/lib/ESP32-sveltekit/system_service.cpp

@@ -4,6 +4,9 @@ namespace system_service {
 
 static const char *TAG = "SystemService";
 
+static JsonDocument analyticsDoc;
+static char analyticsMessage[MAX_ESP_ANALYTICS_SIZE];
+
 esp_err_t handleReset(PsychicRequest *request) {
     reset();
     return request->reply(200);
@@ -132,6 +135,15 @@ void metrics(JsonObject &root) {
     }
 }
 
+void emitMetrics() {
+    if (!socket.hasSubscribers(EVENT_ANALYTICS)) return;
+    analyticsDoc.clear();
+    JsonObject root = analyticsDoc.to<JsonObject>();
+    system_service::metrics(root);
+    serializeJson(analyticsDoc, analyticsMessage);
+    socket.emit(EVENT_ANALYTICS, analyticsMessage);
+}
+
 const char *resetReason(int reason) {
     switch (reason) {
         case 1: return "Vbat power on reset";

esp32/lib/ESP32-sveltekit/system_service.h

@@ -5,9 +5,13 @@
 #include <PsychicHttp.h>
 #include <WiFi.h>
 #include <task_manager.h>
+#include <event_socket.h>
 #include <filesystem.h>
 #include <global.h>
 
+#define MAX_ESP_ANALYTICS_SIZE 2024
+#define EVENT_ANALYTICS "analytics"
+
 namespace system_service {
 esp_err_t handleReset(PsychicRequest *request);
 esp_err_t handleRestart(PsychicRequest *request);
@@ -20,6 +24,9 @@ void restart();
 void sleep();
 void status(JsonObject &root);
 void metrics(JsonObject &root);
+
+void emitMetrics();
+
 const char *resetReason(int reason);
 } // namespace system_service