lang update, better localization settings page

localization/rssguard_en.ts

@@ -5294,7 +5294,7 @@ Login tokens expiration: %2</source>
     </message>
     <message>
         <location filename="../src/librssguard/miscellaneous/application.cpp" line="143"/>
-        <location filename="../src/librssguard/miscellaneous/localization.cpp" line="78"/>
+        <location filename="../src/librssguard/miscellaneous/localization.cpp" line="79"/>
         <source>LANG_AUTHOR</source>
         <extracomment>Name of translator - optional.</extracomment>
         <translation>Martin Rotter</translation>
@@ -6775,25 +6775,45 @@ Description: %3</source>
 <context>
     <name>SettingsLocalization</name>
     <message>
-        <location filename="../src/librssguard/gui/settings/settingslocalization.cpp" line="17"/>
+        <location filename="../src/librssguard/gui/settings/settingslocalization.cpp" line="22"/>
         <source>Language</source>
         <translation type="unfinished">Language</translation>
     </message>
     <message>
-        <location filename="../src/librssguard/gui/settings/settingslocalization.cpp" line="18"/>
+        <location filename="../src/librssguard/gui/settings/settingslocalization.cpp" line="23"/>
         <source>Code</source>
         <translation type="unfinished">Code</translation>
     </message>
     <message>
-        <location filename="../src/librssguard/gui/settings/settingslocalization.cpp" line="18"/>
+        <location filename="../src/librssguard/gui/settings/settingslocalization.cpp" line="24"/>
         <source>Author</source>
         <translation type="unfinished">Author</translation>
     </message>
     <message>
-        <location filename="../src/librssguard/gui/settings/settingslocalization.cpp" line="20"/>
+        <location filename="../src/librssguard/gui/settings/settingslocalization.cpp" line="24"/>
+        <source>Translation progress</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../src/librssguard/gui/settings/settingslocalization.cpp" line="26"/>
         <source>Help us to improve %1 &lt;a href=&quot;%2&quot;&gt;translations&lt;/a&gt;.</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <location filename="../src/librssguard/gui/settings/settingslocalization.cpp" line="132"/>
+        <source>Translators needed!</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../src/librssguard/gui/settings/settingslocalization.cpp" line="133"/>
+        <source>The translation &apos;%1&apos; is incomplete and anyone able to help with translating %2 is greatly welcomed.</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../src/librssguard/gui/settings/settingslocalization.cpp" line="135"/>
+        <source>Do you want to help with the translation now?</source>
+        <translation type="unfinished"></translation>
+    </message>
     <message>
         <location filename="../src/librssguard/gui/settings/settingslocalization.h" line="26"/>
         <source>Localization</source>

src/librssguard/gui/settings/settingslocalization.cpp

@@ -2,20 +2,26 @@
 
 #include "gui/settings/settingslocalization.h"
 
+#include "gui/messagebox.h"
 #include "miscellaneous/application.h"
 #include "miscellaneous/iconfactory.h"
 #include "miscellaneous/localization.h"
 #include "miscellaneous/settings.h"
+#include "network-web/networkfactory.h"
 #include "network-web/webfactory.h"
 
+#include <QJsonArray>
+#include <QJsonDocument>
+#include <QJsonObject>
+
 SettingsLocalization::SettingsLocalization(Settings* settings, QWidget* parent)
   : SettingsPanel(settings, parent), m_ui(new Ui::SettingsLocalization) {
   m_ui->setupUi(this);
-  m_ui->m_treeLanguages->setColumnCount(3);
+  m_ui->m_treeLanguages->setColumnCount(4);
   m_ui->m_treeLanguages->setHeaderHidden(false);
-  m_ui->m_treeLanguages->setHeaderLabels(QStringList()
+  m_ui->m_treeLanguages->setHeaderLabels(QStringList() << /*: Language column of language list. */ tr("Language")
-                                         << /*: Language column of language list. */ tr("Language")
+                                                       << /*: Lang. code column of language list. */ tr("Code")
-                                         << /*: Lang. code column of language list. */ tr("Code") << tr("Author"));
+                                                       << tr("Translation progress") << tr("Author"));
 
   m_ui->m_lblHelp->setText(tr(R"(Help us to improve %1 <a href="%2">translations</a>.)")
                              .arg(QSL(APP_NAME), QSL("https://crowdin.com/project/rssguard")));
@@ -26,6 +32,7 @@ SettingsLocalization::SettingsLocalization(Settings* settings, QWidget* parent)
   m_ui->m_treeLanguages->header()->setSectionResizeMode(0, QHeaderView::ResizeMode::ResizeToContents);
   m_ui->m_treeLanguages->header()->setSectionResizeMode(1, QHeaderView::ResizeMode::ResizeToContents);
   m_ui->m_treeLanguages->header()->setSectionResizeMode(2, QHeaderView::ResizeMode::ResizeToContents);
+  m_ui->m_treeLanguages->header()->setSectionResizeMode(3, QHeaderView::ResizeMode::ResizeToContents);
   connect(m_ui->m_treeLanguages, &QTreeWidget::currentItemChanged, this, &SettingsLocalization::requireRestart);
   connect(m_ui->m_treeLanguages, &QTreeWidget::currentItemChanged, this, &SettingsLocalization::dirtifySettings);
 }
@@ -39,16 +46,60 @@ void SettingsLocalization::loadSettings() {
 
   auto langs = qApp->localization()->installedLanguages();
 
+  // Also, load statistics with restricted access token.
+  QByteArray stats_out;
+  QMap<QString, int> percentages_langs;
+  NetworkResult stats_res = NetworkFactory::
+    performNetworkOperation(QSL("https://api.crowdin.com/api/v2/projects/608575/languages/progress"),
+                            qApp->settings()->value(GROUP(Feeds), SETTING(Feeds::UpdateTimeout)).toInt(),
+                            {},
+                            stats_out,
+                            QNetworkAccessManager::Operation::GetOperation,
+                            {{"Authorization",
+                              "Bearer "
+                              "0fbcad4c39d21a55f63f8a1b6d07cc56bb1e2eb2047bfaf1ee22425e3edf1c2b217f4d13b3cebba9"}});
+
+  if (stats_res.m_networkError == QNetworkReply::NetworkError::NoError) {
+    QJsonDocument stats_doc = QJsonDocument::fromJson(stats_out);
+
+    for (const QJsonValue& val_lang : stats_doc.object()["data"].toArray()) {
+      QString lang_id = val_lang.toObject()["data"].toObject()["languageId"].toString().replace(QSL("-"), QSL("_"));
+      int lang_completion = val_lang.toObject()["data"].toObject()["translationProgress"].toInt();
+
+      percentages_langs.insert(lang_id, lang_completion);
+    }
+  }
+
   for (const Language& language : qAsConst(langs)) {
     auto* item = new QTreeWidgetItem(m_ui->m_treeLanguages);
+    int perc_translated = percentages_langs.value(language.m_code);
 
     item->setText(0, language.m_name);
     item->setText(1, language.m_code);
-    item->setText(2, language.m_author);
+
+    if (perc_translated >= 0) {
+      item->setToolTip(2, QString::number(perc_translated));
+    }
+
+    item->setText(2, QSL("%1 %").arg(perc_translated >= 0 ? QString::number(perc_translated) : QSL("-")));
+    item->setText(3, language.m_author);
     item->setIcon(0, qApp->icons()->miscIcon(QSL(FLAG_ICON_SUBFOLDER) + QDir::separator() + language.m_code));
+
+    if (perc_translated < 40) {
+      item->setBackground(2,
+                          qApp->skins()->colorForModel(SkinEnums::PaletteColors::FgError).value<QColor>().darker(110));
+    }
+    else if (perc_translated < 75) {
+      item->setBackground(2,
+                          qApp->skins()->colorForModel(SkinEnums::PaletteColors::FgError).value<QColor>().darker(90));
+    }
+    else {
+      item->setBackground(2, qApp->skins()->colorForModel(SkinEnums::PaletteColors::Allright).value<QColor>());
+    }
   }
 
   m_ui->m_treeLanguages->sortByColumn(0, Qt::SortOrder::AscendingOrder);
+
   QList<QTreeWidgetItem*> matching_items =
     m_ui->m_treeLanguages->findItems(qApp->localization()->loadedLanguage(), Qt::MatchFlag::MatchContains, 1);
 
@@ -72,6 +123,25 @@ void SettingsLocalization::saveSettings() {
 
   // Save prompt for restart if language has changed.
   if (new_lang != actual_lang) {
+    int perc = m_ui->m_treeLanguages->currentItem()->toolTip(2).toInt();
+
+    if (perc > 0 && perc < 75) {
+      const QMessageBox::StandardButton clicked_button = MsgBox::
+        show(this,
+             QMessageBox::Icon::Question,
+             tr("Translators needed!"),
+             tr("The translation '%1' is incomplete and anyone able to help with translating %2 is greatly welcomed.")
+               .arg(new_lang, QSL(APP_NAME)),
+             tr("Do you want to help with the translation now?"),
+             {},
+             QMessageBox::StandardButton::Yes | QMessageBox::StandardButton::No,
+             QMessageBox::StandardButton::Yes);
+
+      if (clicked_button == QMessageBox::StandardButton::Yes) {
+        qApp->web()->openUrlInExternalBrowser(QSL("https://crowdin.com/project/rssguard"));
+      }
+    }
+
     requireRestart();
     settings()->setValue(GROUP(General), General::Language, new_lang);
   }

src/librssguard/miscellaneous/localization.cpp

@@ -67,7 +67,8 @@ QList<Language> Localization::installedLanguages() const {
   QList<Language> languages;
   const QDir file_dir(APP_LANG_PATH);
   QTranslator translator;
-  auto lang_files = file_dir.entryInfoList(QStringList() << QSL("rssguard_*.qm"), QDir::Files, QDir::Name);
+  auto lang_files =
+    file_dir.entryInfoList(QStringList() << QSL("rssguard_*.qm"), QDir::Filter::Files, QDir::SortFlag::Name);
 
   // Iterate all found language files.
   for (const QFileInfo& file : qAsConst(lang_files)) {