WLED/wled00/presets.cpp
2020-11-06 22:12:48 +01:00

72 lines
1.9 KiB
C++

#include "wled.h"
/*
* Methods to handle saving and loading presets to/from the filesystem
*/
bool applyPreset(byte index)
{
if (fileDoc) {
errorFlag = readObjectFromFileUsingId("/presets.json", index, fileDoc) ? ERR_NONE : ERR_FS_PLOAD;
#ifdef WLED_DEBUG_FS
serializeJson(*fileDoc, Serial);
#endif
deserializeState(fileDoc->as<JsonObject>());
} else {
DEBUGFS_PRINTLN(F("Make read buf"));
DynamicJsonDocument fDoc(JSON_BUFFER_SIZE);
errorFlag = readObjectFromFileUsingId("/presets.json", index, &fDoc) ? ERR_NONE : ERR_FS_PLOAD;
#ifdef WLED_DEBUG_FS
serializeJson(fDoc, Serial);
#endif
deserializeState(fDoc.as<JsonObject>());
}
if (!errorFlag) {
currentPreset = index;
isPreset = true;
return true;
}
return false;
}
void savePreset(byte index, bool persist, const char* pname, JsonObject saveobj)
{
if (index == 0) return;
bool docAlloc = fileDoc;
JsonObject sObj = saveobj;
if (!docAlloc) {
DEBUGFS_PRINTLN(F("Allocating saving buffer"));
fileDoc = new DynamicJsonDocument(JSON_BUFFER_SIZE);
sObj = fileDoc->to<JsonObject>();
if (pname) sObj["n"] = pname;
} else {
DEBUGFS_PRINTLN(F("Reuse recv buffer"));
sObj.remove(F("psave"));
sObj.remove(F("v"));
}
if (!sObj["o"]) {
DEBUGFS_PRINTLN(F("Save current state"));
serializeState(sObj, true, sObj["ib"], sObj["sb"]);
currentPreset = index;
}
sObj.remove("o");
sObj.remove("ib");
sObj.remove("sb");
sObj.remove(F("error"));
sObj.remove(F("time"));
writeObjectToFileUsingId("/presets.json", index, fileDoc);
if (!docAlloc) delete fileDoc;
presetsModifiedTime = now(); //unix time
updateFSInfo();
}
void deletePreset(byte index) {
StaticJsonDocument<24> empty;
writeObjectToFileUsingId("/presets.json", index, &empty);
presetsModifiedTime = now(); //unix time
updateFSInfo();
}