🎨 Moving project to use event bus

esp32/include/template/stateful_endpoint.h

@@ -0,0 +1,50 @@
+#pragma once
+
+#include <PsychicHttp.h>
+#include <template/stateful_service.h>
+
+#include <functional>
+
+#define HTTP_ENDPOINT_ORIGIN_ID "http"
+#define HTTPS_ENDPOINT_ORIGIN_ID "https"
+
+template <class T>
+class StatefulHttpEndpoint {
+  protected:
+    JsonStateReader<T> _stateReader;
+    JsonStateUpdater<T> _stateUpdater;
+    StatefulService<T> *_statefulService;
+
+  public:
+    StatefulHttpEndpoint(JsonStateReader<T> stateReader, JsonStateUpdater<T> stateUpdater,
+                         StatefulService<T> *statefulService)
+        : _stateReader(stateReader), _stateUpdater(stateUpdater), _statefulService(statefulService) {}
+
+    esp_err_t handleStateUpdate(PsychicRequest *request, JsonVariant &json) {
+        if (!json.is<JsonObject>()) return request->reply(400);
+
+        JsonObject jsonObject = json.as<JsonObject>();
+        StateUpdateResult outcome = _statefulService->updateWithoutPropagation(jsonObject, _stateUpdater);
+
+        if (outcome == StateUpdateResult::ERROR)
+            return request->reply(400);
+        else if ((outcome == StateUpdateResult::CHANGED)) {
+            // persist the changes to the FS
+            _statefulService->callUpdateHandlers(HTTP_ENDPOINT_ORIGIN_ID);
+        }
+
+        PsychicJsonResponse response = PsychicJsonResponse(request, false);
+        jsonObject = response.getRoot();
+
+        _statefulService->read(jsonObject, _stateReader);
+
+        return response.send();
+    }
+
+    esp_err_t getState(PsychicRequest *request) {
+        PsychicJsonResponse response = PsychicJsonResponse(request, false);
+        JsonObject jsonObject = response.getRoot();
+        _statefulService->read(jsonObject, _stateReader);
+        return response.send();
+    }
+};