Return only the eventlog of one inverter

- Fix #131
- Prevent large responses in case of many inverters + many log entries

src/WebApi_eventlog.cpp

@@ -22,12 +22,19 @@ void WebApiEventlogClass::loop()
 
 void WebApiEventlogClass::onEventlogStatus(AsyncWebServerRequest* request)
 {
-    AsyncJsonResponse* response = new AsyncJsonResponse();
+    AsyncJsonResponse* response = new AsyncJsonResponse(false, 2048);
     JsonObject root = response->getRoot();
 
-    for (uint8_t i = 0; i < Hoymiles.getNumInverters(); i++) {
-        auto inv = Hoymiles.getInverterByPos(i);
+    uint64_t serial = 0;
+    if (request->hasParam("inv")) {
+        String s = request->getParam("inv")->value();
+        char* t;
+        serial = strtoll(s.c_str(), &t, 16);
+    }
 
+    auto inv = Hoymiles.getInverterBySerial(serial);
+
+    if (inv != nullptr) {
         // Inverter Serial is read as HEX
         char buffer[sizeof(uint64_t) * 8 + 1];
         sprintf(buffer, "%0lx%08lx",

webapp/src/components/HomeView.vue

@@ -298,7 +298,7 @@ export default defineComponent({
         },
         onShowEventlog(serial: number) {
             this.eventLogLoading = true;
-            fetch("/api/eventlog/status")
+            fetch("/api/eventlog/status?inv=" + serial)
                 .then((response) => response.json())
                 .then((data) => {
                     this.eventLogList = data[serial];