Added Update API endpoint

src/global_data/defines.h

@@ -7,6 +7,6 @@
 #define water_level_min_key "water_level_min"
 #define water_level_max_key "water_level_max"
 #define water_volume_key "water_volume"
-#define current_software_version Version{0, 0, 8}
+#define current_software_version Version{0, 0, 9}
 
 #define RESISTOR_VALUE 4

src/networking/json_builder.cpp

@@ -43,3 +43,13 @@ StaticJsonDocument<256> build_network_json(NetworkData wired, NetworkData wirele
 
     return doc;
 }
+
+StaticJsonDocument<128> build_ota_json(OTAStatus status) {
+    StaticJsonDocument<256> doc;
+    doc["update_available"] = status.update_available;
+    doc["current_version"] = String(status.current_version.major) + "." + String(status.current_version.minor) + "." + String(status.current_version.patch);
+    doc["new_version"] = String(status.latest_version.major) + "." + String(status.latest_version.minor) + "." + String(status.latest_version.patch);
+    doc["progress"] = status.update_progress;
+
+    return doc;
+}

src/networking/json_builder.h

@@ -5,3 +5,4 @@ StaticJsonDocument<128> build_shunt_data_json(SensorData data);
 StaticJsonDocument<128> build_water_data_json(WaterData data);
 StaticJsonDocument<128> build_telemetry_json(DeviceTelemetry data);
 StaticJsonDocument<256> build_network_json(NetworkData wired, NetworkData wireless);
+StaticJsonDocument<128> build_ota_json(OTAStatus status);

src/networking/responses.cpp

@@ -12,6 +12,7 @@ extern DeviceTelemetry telemetry;
 extern NetworkData wifi_data;
 extern NetworkData ethernet_data;
 extern SensorData shunt_data;
+extern OTAStatus ota_status;
 
 extern AsyncWebServer server;
 
@@ -36,4 +37,10 @@ void setup_api_endpoints(){
         serializeJson(build_network_json(ethernet_data, wifi_data), output);
         request->send(200, "application/json", output);
     });
+
+    server.on("/ota_udpate_status", HTTP_GET, [](AsyncWebServerRequest* request) {
+      String output;
+      serializeJson(build_ota_json(ota_status), output);
+      request->send(200, "application/json", output);
+  });
 }