85 lines
2.1 KiB
C++
85 lines
2.1 KiB
C++
#include "CrossPointState.h"
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#include <HalStorage.h>
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#include <JsonSettingsIO.h>
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#include <Logging.h>
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#include <Serialization.h>
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namespace {
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constexpr uint8_t STATE_FILE_VERSION = 4;
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constexpr char STATE_FILE_BIN[] = "/.crosspoint/state.bin";
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constexpr char STATE_FILE_JSON[] = "/.crosspoint/state.json";
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constexpr char STATE_FILE_BAK[] = "/.crosspoint/state.bin.bak";
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} // namespace
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CrossPointState CrossPointState::instance;
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bool CrossPointState::saveToFile() const {
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Storage.mkdir("/.crosspoint");
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return JsonSettingsIO::saveState(*this, STATE_FILE_JSON);
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}
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bool CrossPointState::loadFromFile() {
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// Try JSON first
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if (Storage.exists(STATE_FILE_JSON)) {
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String json = Storage.readFile(STATE_FILE_JSON);
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if (!json.isEmpty()) {
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return JsonSettingsIO::loadState(*this, json.c_str());
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}
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}
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// Fall back to binary migration
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if (Storage.exists(STATE_FILE_BIN)) {
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if (loadFromBinaryFile()) {
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if (saveToFile()) {
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Storage.rename(STATE_FILE_BIN, STATE_FILE_BAK);
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LOG_DBG("CPS", "Migrated state.bin to state.json");
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return true;
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} else {
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LOG_ERR("CPS", "Failed to save state during migration");
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return false;
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}
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}
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}
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return false;
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}
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bool CrossPointState::loadFromBinaryFile() {
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FsFile inputFile;
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if (!Storage.openFileForRead("CPS", STATE_FILE_BIN, inputFile)) {
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return false;
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}
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uint8_t version;
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serialization::readPod(inputFile, version);
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if (version > STATE_FILE_VERSION) {
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LOG_ERR("CPS", "Deserialization failed: Unknown version %u", version);
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inputFile.close();
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return false;
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}
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serialization::readString(inputFile, openEpubPath);
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if (version >= 2) {
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serialization::readPod(inputFile, lastSleepImage);
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} else {
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lastSleepImage = SIZE_MAX;
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}
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if (version >= 3) {
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serialization::readPod(inputFile, readerActivityLoadCount);
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}
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if (version >= 4) {
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serialization::readPod(inputFile, lastSleepFromReader);
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} else {
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lastSleepFromReader = false;
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}
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koReaderSyncSession.clear();
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pendingBookmarkJump.clear();
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inputFile.close();
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return true;
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}
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