Add method for checking if a specified model/variant exists in the co…

…nfiguration

libssu/ssudeviceinfo.cpp

@@ -95,6 +95,33 @@ QString SsuDeviceInfo::adaptationVariables(const QString &adaptationName, QHash<
   return adaptationName;
 }
 
+void SsuDeviceInfo::clearCache(){
+  cachedFamily = "";
+  cachedModel = "";
+  cachedVariant = "";
+}
+
+bool SsuDeviceInfo::contains(const QString &model){
+  QString oldModel = deviceModel();
+  bool found = false;
+
+  if (!model.isEmpty()){
+    clearCache();
+    setDeviceModel(model);
+  }
+
+  if (!deviceVariant(false).isEmpty())
+    found = true;
+  if (boardMappings->childGroups().contains(deviceModel()))
+    found = true;
+
+  if (!model.isEmpty()){
+    clearCache();
+    setDeviceModel(oldModel);
+  }
+  return found;
+}
+
 QString SsuDeviceInfo::deviceFamily(){
   if (!cachedFamily.isEmpty())
     return cachedFamily;

libssu/ssudeviceinfo.h

@@ -37,7 +37,15 @@ class SsuDeviceInfo: public QObject {
      */
     QString adaptationVariables(const QString &adaptationName, QHash<QString, QString> *storageHash);
     /**
-     * Try to find the device family for the system this is running on
+     * Check if a given model is available in the deviceinfo database, either directly,
+     * or as variant. If no model is provided as argument the autodetected or previously
+     * set model is used.
+     */
+    bool contains(const QString &model="");
+    /**
+     * Try to find the device family for the system this is running on. This function
+     * temporarily changes the detected model, and therefore should not be used in a
+     * multithreaded environment, unless you like funny results.
      */
     Q_INVOKABLE QString deviceFamily();
     /**
@@ -93,5 +101,7 @@ class SsuDeviceInfo: public QObject {
   private:
     SsuSettings *boardMappings;
     QString cachedFamily, cachedModel, cachedVariant;
+
+    void clearCache();
 };
 #endif