Change parseBool() to return optional bool value

src/base/utils/string.cpp

@@ -190,11 +190,14 @@ QString Utils::String::wildcardToRegex(const QString &pattern)
     return qt_regexp_toCanonical(pattern, QRegExp::Wildcard);
 }
 
-bool Utils::String::parseBool(const QString &string, const bool defaultValue)
+std::optional<bool> Utils::String::parseBool(const QString &string)
 {
-    if (defaultValue)
-        return (string.compare("false", Qt::CaseInsensitive) == 0) ? false : true;
-    return (string.compare("true", Qt::CaseInsensitive) == 0) ? true : false;
+    if (string.compare("true", Qt::CaseInsensitive) == 0)
+        return true;
+    if (string.compare("false", Qt::CaseInsensitive) == 0)
+        return false;
+
+    return std::nullopt;
 }
 
 QString Utils::String::join(const QVector<QStringRef> &strings, const QString &separator)

src/base/utils/string.h

@@ -29,6 +29,8 @@
 
 #pragma once
 
+#include <optional>
+
 #include <QChar>
 #include <QMetaEnum>
 #include <QString>
@@ -64,7 +66,7 @@ namespace Utils::String
         return str;
     }
 
-    bool parseBool(const QString &string, bool defaultValue);
+    std::optional<bool> parseBool(const QString &string);
 
     QString join(const QVector<QStringRef> &strings, const QString &separator);
 

src/webui/api/logcontroller.cpp

@@ -61,10 +61,10 @@ void LogController::mainAction()
 {
     using Utils::String::parseBool;
 
-    const bool isNormal = parseBool(params()["normal"], true);
-    const bool isInfo = parseBool(params()["info"], true);
-    const bool isWarning = parseBool(params()["warning"], true);
-    const bool isCritical = parseBool(params()["critical"], true);
+    const bool isNormal = parseBool(params()["normal"]).value_or(true);
+    const bool isInfo = parseBool(params()["info"]).value_or(true);
+    const bool isWarning = parseBool(params()["warning"]).value_or(true);
+    const bool isCritical = parseBool(params()["critical"]).value_or(true);
 
     bool ok = false;
     int lastKnownId = params()["last_known_id"].toInt(&ok);

src/webui/api/rsscontroller.cpp

@@ -89,7 +89,7 @@ void RSSController::moveItemAction()
 
 void RSSController::itemsAction()
 {
-    const bool withData {parseBool(params()["withData"], false)};
+    const bool withData {parseBool(params()["withData"]).value_or(false)};
 
     const auto jsonVal = RSS::Session::instance()->rootFolder()->toJsonValue(withData);
     setResult(jsonVal.toObject());

src/webui/api/searchcontroller.cpp

@@ -264,7 +264,7 @@ void SearchController::enablePluginAction()
     requireParams({"names", "enable"});
 
     const QStringList names = params()["names"].split('|');
-    const bool enable = Utils::String::parseBool(params()["enable"].trimmed(), false);
+    const bool enable = Utils::String::parseBool(params()["enable"].trimmed()).value_or(false);
 
     for (const QString &name : names)
         SearchPluginManager::instance()->enablePlugin(name.trimmed(), enable);

src/webui/api/torrentscontroller.cpp

@@ -253,7 +253,7 @@ void TorrentsController::infoAction()
     const QString filter {params()["filter"]};
     const QString category {params()["category"]};
     const QString sortedColumn {params()["sort"]};
-    const bool reverse {parseBool(params()["reverse"], false)};
+    const bool reverse {parseBool(params()["reverse"]).value_or(false)};
     int limit {params()["limit"].toInt()};
     int offset {params()["offset"].toInt()};
     const QStringList hashes {params()["hashes"].split('|', QString::SkipEmptyParts)};
@@ -602,9 +602,9 @@ void TorrentsController::addAction()
 {
     const QString urls = params()["urls"];
 
-    const bool skipChecking = parseBool(params()["skip_checking"], false);
-    const bool seqDownload = parseBool(params()["sequentialDownload"], false);
-    const bool firstLastPiece = parseBool(params()["firstLastPiecePrio"], false);
+    const bool skipChecking = parseBool(params()["skip_checking"]).value_or(false);
+    const bool seqDownload = parseBool(params()["sequentialDownload"]).value_or(false);
+    const bool firstLastPiece = parseBool(params()["firstLastPiecePrio"]).value_or(false);
     const auto addPaused = TriStateBool::fromString(params()["paused"]);
     const QString savepath = params()["savepath"].trimmed();
     const QString category = params()["category"];
@@ -962,7 +962,7 @@ void TorrentsController::setSuperSeedingAction()
 {
     requireParams({"hashes", "value"});
 
-    const bool value {parseBool(params()["value"], false)};
+    const bool value {parseBool(params()["value"]).value_or(false)};
     const QStringList hashes {params()["hashes"].split('|')};
     applyToTorrents(hashes, [value](BitTorrent::TorrentHandle *const torrent) { torrent->setSuperSeeding(value); });
 }
@@ -971,7 +971,7 @@ void TorrentsController::setForceStartAction()
 {
     requireParams({"hashes", "value"});
 
-    const bool value {parseBool(params()["value"], false)};
+    const bool value {parseBool(params()["value"]).value_or(false)};
     const QStringList hashes {params()["hashes"].split('|')};
     applyToTorrents(hashes, [value](BitTorrent::TorrentHandle *const torrent)
     {
@@ -984,7 +984,7 @@ void TorrentsController::deleteAction()
     requireParams({"hashes", "deleteFiles"});
 
     const QStringList hashes {params()["hashes"].split('|')};
-    const DeleteOption deleteOption = parseBool(params()["deleteFiles"], false)
+    const DeleteOption deleteOption = parseBool(params()["deleteFiles"]).value_or(false)
             ? TorrentAndFiles : Torrent;
     applyToTorrents(hashes, [deleteOption](const BitTorrent::TorrentHandle *torrent)
     {
@@ -1085,7 +1085,7 @@ void TorrentsController::setAutoManagementAction()
     requireParams({"hashes", "enable"});
 
     const QStringList hashes {params()["hashes"].split('|')};
-    const bool isEnabled {parseBool(params()["enable"], false)};
+    const bool isEnabled {parseBool(params()["enable"]).value_or(false)};
 
     applyToTorrents(hashes, [isEnabled](BitTorrent::TorrentHandle *const torrent)
     {