From 632ce95c2616d157465955a60e799f7ef03f34a2 Mon Sep 17 00:00:00 2001
From: Jon Beniston <jon@beniston.com>
Date: Wed, 7 Jun 2023 11:33:34 +0100
Subject: [PATCH] Change Street Map from WikiMedia to OpenStreetMap, as
 Wikimedia servers are no longer available. For #1709

---
 plugins/feature/map/mapgui.cpp          | 28 +++++++++++++++++++++++++
 plugins/feature/map/mapgui.h            |  1 +
 plugins/feature/map/osmtemplateserver.h | 16 +++++++-------
 3 files changed, 37 insertions(+), 8 deletions(-)

diff --git a/plugins/feature/map/mapgui.cpp b/plugins/feature/map/mapgui.cpp
index d7e07ea688..500bf3a814 100644
--- a/plugins/feature/map/mapgui.cpp
+++ b/plugins/feature/map/mapgui.cpp
@@ -23,6 +23,7 @@
 #include <QGeoCoordinate>
 #include <QGeoCodingManager>
 #include <QGeoServiceProvider>
+#include <QSettings>
 
 #ifdef QT_WEBENGINE_FOUND
 #include <QtWebEngineWidgets/QWebEngineView>
@@ -213,6 +214,8 @@ MapGUI::MapGUI(PluginAPI* pluginAPI, FeatureUISet *featureUISet, Feature *featur
         ui->map->setFormat(format);
     }
 
+    clearWikiMediaOSMCache();
+
     m_osmPort = 0;
     m_templateServer = new OSMTemplateServer(thunderforestAPIKey(), maptilerAPIKey(), m_osmPort);
 
@@ -1106,6 +1109,31 @@ void MapGUI::clearOSMCache()
     }
 }
 
+// Delete old cache if it might contain wikimedia OSM images before switch to using OSM directly
+// as the images are different
+void MapGUI::clearWikiMediaOSMCache()
+{
+    QSettings settings;
+    QString cacheCleared = "sdrangel.feature.map/cacheCleared";
+    if (!settings.value(cacheCleared).toBool())
+    {
+        qDebug() << "MapGUI::clearWikiMediaOSMCache: Clearing cache";
+        QDir dir(osmCachePath());
+        if (dir.exists())
+        {
+            QStringList filenames = dir.entryList({"osm_100-l-1-*.png"});
+            for (const auto& filename : filenames)
+            {
+                QFile file(dir.filePath(filename));
+                if (!file.remove()) {
+                    qDebug() << "MapGUI::clearWikiMediaOSMCache: Failed to remove " << file;
+                }
+            }
+        }
+        settings.setValue(cacheCleared, true);
+    }
+}
+
 void MapGUI::applyMap2DSettings(bool reloadMap)
 {
     ui->map->setVisible(m_settings.m_map2DEnabled);
diff --git a/plugins/feature/map/mapgui.h b/plugins/feature/map/mapgui.h
index 354388361d..2834f49936 100644
--- a/plugins/feature/map/mapgui.h
+++ b/plugins/feature/map/mapgui.h
@@ -218,6 +218,7 @@ class MapGUI : public FeatureGUI {
     void applyMap3DSettings(bool reloadMap);
     QString osmCachePath();
     void clearOSMCache();
+    void clearWikiMediaOSMCache();
     void displaySettings();
     bool handleMessage(const Message& message);
     void geoReply();
diff --git a/plugins/feature/map/osmtemplateserver.h b/plugins/feature/map/osmtemplateserver.h
index 13b80d881a..105aad1fe7 100644
--- a/plugins/feature/map/osmtemplateserver.h
+++ b/plugins/feature/map/osmtemplateserver.h
@@ -71,14 +71,14 @@ private slots:
                 {
                     xml = QString("\
                     {\
-                        \"UrlTemplate\" : \"https://maps.wikimedia.org/osm-intl/%z/%x/%y%1.png\",\
+                        \"UrlTemplate\" : \"https://tile.openstreetmap.org/%z/%x/%y.png\",\
                         \"ImageFormat\" : \"png\",\
                         \"QImageFormat\" : \"Indexed8\",\
-                        \"ID\" : \"wmf-intl-%2x\",\
-                        \"MaximumZoomLevel\" : 18,\
-                        \"MapCopyRight\" : \"<a href='https://wikimediafoundation.org/wiki/Terms_of_Use'>WikiMedia Foundation</a>\",\
-                        \"DataCopyRight\" : \"<a href='http://www.openstreetmap.org/copyright'>OpenStreetMap</a> contributors\"\
-                    }").arg(hiresURL).arg(hires ? 1 : 2);
+                        \"ID\" : \"wmf-intl-1x\",\
+                        \"MaximumZoomLevel\" : 19,\
+                        \"MapCopyRight\" : \"<a href='http://www.openstreetmap.org/copyright'>OpenStreetMap</a>\",\
+                        \"DataCopyRight\" : \"\"\
+                    }");
                 }
                 else if (tokens[1] == "/satellite")
                 {
@@ -91,7 +91,7 @@ private slots:
                         \"ID\" : \"usgs-l7\",\
                         \"MaximumZoomLevel\" : 20,\
                         \"MapCopyRight\" : \"<a href='http://maptiler.com/'>Maptiler</a>\",\
-                        \"DataCopyRight\" : \"<a href='http://maptiler.com'>Maptiler</a>\"\
+                        \"DataCopyRight\" : \"\"\
                     }").arg(hiresURL).arg(m_maptilerAPIKey);
                 }
                 else if (tokens[1].contains("transit"))
@@ -110,7 +110,7 @@ private slots:
                         \"ID\" : \"%3\",\
                         \"MaximumZoomLevel\" : 20,\
                         \"MapCopyRight\" : \"<a href='https://carto.com'>CartoDB</a>\",\
-                        \"DataCopyRight\" : \"<a href='https://carto.com'>CartoDB</a>\"\
+                        \"DataCopyRight\" : \"\"\
                     }").arg(hiresURL).arg(mapUrl[idx]).arg(mapId[idx]);
                 }
                 else