Redesign Web API

Normalize Web API method names.
Allow to use alternative Web UI.
Switch Web API version to standard form (i.e. "2.0").
Improve Web UI translation code.
Retranslate changed files.
Add Web API for RSS subsystem.

src/webui/api/rsscontroller.cpp

@@ -0,0 +1,131 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2018  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include "rsscontroller.h"
+
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonValue>
+
+#include "base/rss/rss_autodownloader.h"
+#include "base/rss/rss_autodownloadrule.h"
+#include "base/rss/rss_folder.h"
+#include "base/rss/rss_session.h"
+#include "base/utils/string.h"
+#include "apierror.h"
+
+using Utils::String::parseBool;
+
+void RSSController::addFolderAction()
+{
+    checkParams({"path"});
+
+    const QString path = params()["path"].trimmed();
+    QString error;
+    if (!RSS::Session::instance()->addFolder(path, &error))
+        throw APIError(APIErrorType::Conflict, error);
+}
+
+void RSSController::addFeedAction()
+{
+    checkParams({"url", "path"});
+
+    const QString url = params()["url"].trimmed();
+    const QString path = params()["path"].trimmed();
+    QString error;
+    if (!RSS::Session::instance()->addFeed(url, (path.isEmpty() ? url : path), &error))
+        throw APIError(APIErrorType::Conflict, error);
+}
+
+void RSSController::removeItemAction()
+{
+    checkParams({"path"});
+
+    const QString path = params()["path"].trimmed();
+    QString error;
+    if (!RSS::Session::instance()->removeItem(path, &error))
+        throw APIError(APIErrorType::Conflict, error);
+}
+
+void RSSController::moveItemAction()
+{
+    checkParams({"itemPath", "destPath"});
+
+    const QString itemPath = params()["itemPath"].trimmed();
+    const QString destPath = params()["destPath"].trimmed();
+    QString error;
+    if (!RSS::Session::instance()->moveItem(itemPath, destPath, &error))
+        throw APIError(APIErrorType::Conflict, error);
+}
+
+void RSSController::itemsAction()
+{
+    const bool withData {parseBool(params()["withData"], false)};
+
+    const auto jsonVal = RSS::Session::instance()->rootFolder()->toJsonValue(withData);
+    setResult(jsonVal.toObject());
+}
+
+void RSSController::setRuleAction()
+{
+    checkParams({"ruleName", "ruleDef"});
+
+    const QString ruleName {params()["ruleName"].trimmed()};
+    const QByteArray ruleDef {params()["ruleDef"].trimmed().toUtf8()};
+
+    const auto jsonObj = QJsonDocument::fromJson(ruleDef).object();
+    RSS::AutoDownloader::instance()->insertRule(RSS::AutoDownloadRule::fromJsonObject(jsonObj, ruleName));
+}
+
+void RSSController::renameRuleAction()
+{
+    checkParams({"ruleName", "newRuleName"});
+
+    const QString ruleName {params()["ruleName"].trimmed()};
+    const QString newRuleName {params()["newRuleName"].trimmed()};
+
+    RSS::AutoDownloader::instance()->renameRule(ruleName, newRuleName);
+}
+
+void RSSController::removeRuleAction()
+{
+    checkParams({"ruleName"});
+
+    const QString ruleName {params()["ruleName"].trimmed()};
+    RSS::AutoDownloader::instance()->removeRule(ruleName);
+}
+
+void RSSController::rulesAction()
+{
+    const QList<RSS::AutoDownloadRule> rules {RSS::AutoDownloader::instance()->rules()};
+    QJsonObject jsonObj;
+    for (const auto &rule : rules)
+        jsonObj.insert(rule.name(), rule.toJsonObject());
+
+    setResult(jsonObj);
+}