82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
#ifndef SettingsService_h
|
|
#define SettingsService_h
|
|
|
|
#if defined(ESP8266)
|
|
#include <ESP8266WiFi.h>
|
|
#include <ESPAsyncTCP.h>
|
|
#elif defined(ESP_PLATFORM)
|
|
#include <WiFi.h>
|
|
#include <AsyncTCP.h>
|
|
#endif
|
|
|
|
#include <SecurityManager.h>
|
|
#include <SettingsPersistence.h>
|
|
#include <ESPAsyncWebServer.h>
|
|
#include <ArduinoJson.h>
|
|
#include <AsyncJsonWebHandler.h>
|
|
#include <AsyncArduinoJson6.h>
|
|
|
|
/*
|
|
* Abstraction of a service which stores it's settings as JSON in a file system.
|
|
*/
|
|
class SettingsService : public SettingsPersistence {
|
|
|
|
public:
|
|
|
|
SettingsService(FS* fs, char const* servicePath, char const* filePath):
|
|
SettingsPersistence(fs, filePath), _servicePath(servicePath) {
|
|
_updateHandler.setUri(servicePath);
|
|
_updateHandler.setMethod(HTTP_POST);
|
|
_updateHandler.setMaxContentLength(MAX_SETTINGS_SIZE);
|
|
_updateHandler.onRequest(std::bind(&SettingsService::updateConfig, this, std::placeholders::_1, std::placeholders::_2));
|
|
}
|
|
|
|
virtual ~SettingsService() {}
|
|
|
|
void init(AsyncWebServer* server) {
|
|
// configure fetch config handler
|
|
server->on(_servicePath, HTTP_GET, std::bind(&SettingsService::fetchConfig, this, std::placeholders::_1));
|
|
server->addHandler(&_updateHandler);
|
|
|
|
// read the initial data from the file system
|
|
readFromFS();
|
|
}
|
|
|
|
protected:
|
|
char const* _servicePath;
|
|
AsyncJsonWebHandler _updateHandler;
|
|
|
|
virtual void fetchConfig(AsyncWebServerRequest *request) {
|
|
// handle the request
|
|
AsyncJsonResponse * response = new AsyncJsonResponse(MAX_SETTINGS_SIZE);
|
|
JsonObject jsonObject = response->getRoot();
|
|
writeToJsonObject(jsonObject);
|
|
response->setLength();
|
|
request->send(response);
|
|
}
|
|
|
|
virtual void updateConfig(AsyncWebServerRequest *request, JsonDocument &jsonDocument) {
|
|
// handle the request
|
|
if (jsonDocument.is<JsonObject>()){
|
|
JsonObject newConfig = jsonDocument.as<JsonObject>();
|
|
readFromJsonObject(newConfig);
|
|
writeToFS();
|
|
|
|
// write settings back with a callback to reconfigure the wifi
|
|
AsyncJsonCallbackResponse * response = new AsyncJsonCallbackResponse([this] () {onConfigUpdated();}, MAX_SETTINGS_SIZE);
|
|
JsonObject jsonObject = response->getRoot();
|
|
writeToJsonObject(jsonObject);
|
|
response->setLength();
|
|
request->send(response);
|
|
} else {
|
|
request->send(400);
|
|
}
|
|
}
|
|
|
|
// implement to perform action when config has been updated
|
|
virtual void onConfigUpdated(){}
|
|
|
|
};
|
|
|
|
#endif // end SettingsService
|