Rune Harlyk
76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
#ifndef HttpEndpoint_h
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#define HttpEndpoint_h
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#include <PsychicHttp.h>
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#include <StatefulService.h>
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#include <functional>
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#define HTTP_ENDPOINT_ORIGIN_ID "http"
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#define HTTPS_ENDPOINT_ORIGIN_ID "https"
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template <class T>
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class HttpEndpoint {
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protected:
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JsonStateReader<T> _stateReader;
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JsonStateUpdater<T> _stateUpdater;
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StatefulService<T> *_statefulService;
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size_t _bufferSize;
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PsychicHttpServer *_server;
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const char *_servicePath;
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public:
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HttpEndpoint(JsonStateReader<T> stateReader, JsonStateUpdater<T> stateUpdater, StatefulService<T> *statefulService,
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PsychicHttpServer *server, const char *servicePath)
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: _stateReader(stateReader),
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_stateUpdater(stateUpdater),
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_statefulService(statefulService),
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_server(server),
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_servicePath(servicePath) {}
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// register the web server on() endpoints
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void begin() {
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// OPTIONS (for CORS preflight)
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#ifdef ENABLE_CORS
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_server->on(_servicePath, HTTP_OPTIONS, [this](PsychicRequest *request) { return request->reply(200); });
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#endif
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// GET
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_server->on(_servicePath, HTTP_GET, [this](PsychicRequest *request) {
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PsychicJsonResponse response = PsychicJsonResponse(request, false);
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JsonObject jsonObject = response.getRoot();
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_statefulService->read(jsonObject, _stateReader);
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return response.send();
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});
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ESP_LOGV("HttpEndpoint", "Registered GET endpoint: %s", _servicePath);
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// POST
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_server->on(_servicePath, HTTP_POST, [this](PsychicRequest *request, JsonVariant &json) {
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if (!json.is<JsonObject>()) {
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return request->reply(400);
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}
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JsonObject jsonObject = json.as<JsonObject>();
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StateUpdateResult outcome = _statefulService->updateWithoutPropagation(jsonObject, _stateUpdater);
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if (outcome == StateUpdateResult::ERROR) {
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return request->reply(400);
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} else if ((outcome == StateUpdateResult::CHANGED)) {
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// persist the changes to the FS
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_statefulService->callUpdateHandlers(HTTP_ENDPOINT_ORIGIN_ID);
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}
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PsychicJsonResponse response = PsychicJsonResponse(request, false);
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jsonObject = response.getRoot();
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_statefulService->read(jsonObject, _stateReader);
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return response.send();
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});
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ESP_LOGV("HttpEndpoint", "Registered POST endpoint: %s", _servicePath);
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}
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};
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#endif
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