Possibility pass bdd file to load at startup

src/model/Database.cpp

@@ -71,19 +71,47 @@ static inline wxString DoubleToString(double d)
   return res;
 }
 
-Database::Database()
+Database::Database(const char* filename)
 {
   std::ifstream bdd_file;
 
-  bdd_file.open(BDD_FILE);
-
-  if (!bdd_file)
+  if (filename)
     {
-      CreateDatabase();
+      bdd_file.open(filename, std::ifstream::in);
+
+      if (!bdd_file.good())
+	{
+	  wxMessageBox(_("Unable to open Database"), _("Error"), wxICON_ERROR | wxOK );
+	  throw std::string("Unable to open ") + filename;
+	}
+
+      _db.Open(wxString(filename, wxConvUTF8));
+      if (!_db.IsOpen())
+	{
+	  wxMessageBox(_("Unable to open Database"), _("Error"), wxICON_ERROR | wxOK );
+	  throw std::string("Unable to open ") + filename;
+	}
     }
   else
-    _db.Open(wxT(BDD_FILE));
+    {
+      // If default BDD file, assume this can be the first load
+      bdd_file.open(BDD_FILE, std::ifstream::in);
 
+      if (!bdd_file.good())
+	{
+	  CreateDatabase();
+	}
+      else
+	{
+	  _db.Open(wxT(BDD_FILE));
+	  if (!_db.IsOpen())
+	    {
+	      wxMessageBox(_("Unable to open Database"), _("Error"), wxICON_ERROR | wxOK );
+	      throw std::string("Unable to open ") + BDD_FILE;
+	    }
+	}
+    }
+      
   bdd_file.close();
 }
 
@@ -105,6 +133,12 @@ void Database::CreateDatabase()
 
   _db.Open(wxT(BDD_FILE));
 
+  if (!_db.IsOpen())
+    {
+      wxMessageBox(_("Unable to open Database"), _("Error"), wxICON_ERROR | wxOK );
+      throw std::string("Unable to open ") + BDD_FILE;
+    }
+
   do
     {
       getline(init_script, line);

src/model/Database.h

@@ -35,7 +35,7 @@ along with KissCount.  If not, see <http://www.gnu.org/licenses/>.
 class Database
 {
  public:
-  Database();
+  Database(const char* filename);
 
   std::list<wxString> GetUsers();
   bool IsValidUser(const wxString& user, const wxString& password);