/*
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MIGRATE MODULE
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Copyright (C) 2016-2019 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#include "settings.h"
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#include <vector>
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#include <utility>
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namespace {
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void delPrefixes(const std::initializer_list<const char*>& prefixes) {
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std::vector<String> to_purge;
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using namespace settings;
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kv_store.foreach([&](kvs_type::KeyValueResult&& kv) {
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auto key = kv.key.read();
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for (const auto* prefix : prefixes) {
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if (key.startsWith(prefix)) {
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to_purge.push_back(std::move(key));
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return;
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}
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}
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});
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for (auto& key : to_purge) {
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delSetting(key);
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}
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}
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} // namespace
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// Configuration versions
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//
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// 1: based on Embedis, no board definitions
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// 2: based on Embedis, with board definitions 1-based
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// 3: based on Embedis, with board definitions 0-based
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// 4: based on Embedis, no board definitions
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// 5: based on Embedis, updated rfb codes format
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int migrateVersion() {
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const static auto version = getSetting("cfg", CFG_VERSION);
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if (version == CFG_VERSION) {
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return 0;
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}
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return version;
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}
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void migrate() {
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// We either get 0, when version did not change
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// Or, the version we migrate from
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const auto version = migrateVersion();
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setSetting("cfg", CFG_VERSION);
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if (!version) {
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return;
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}
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// get rid of old keys that were never used until now
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// and some very old keys that were forced via migrate.ino
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switch (version) {
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case 2:
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delPrefixes({
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"btnGPIO",
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"ledGPIO",
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"ledLogic",
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"relayGPIO",
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"relayType"
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});
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// fall through
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case 3:
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case 4:
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delPrefixes({
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"board",
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"chGPIO",
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"chLogic",
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"ledGPIO",
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"ledLogic",
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"lightProvider",
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"myChips",
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"myDCKGPIO",
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"myDIGPIO",
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"relayGPIO",
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"relayProvider",
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"relayType",
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"relays"
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});
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break;
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}
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saveSettings();
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}
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