add read users list

msql_acces.cpp

@@ -43,6 +43,27 @@ std::list<std::string> msql_acces::get_pinfo(){
   return ret;
 }
 
+std::list<std::string> msql_acces::get_uinfo(){
+  sql::PreparedStatement *pstmt =
+      con->prepareStatement("select username,admin from users");
+  sql::ResultSet *res = pstmt->executeQuery();
+  std::list<std::string> ret;
+  std::string aux;
+  while(res->next()){
+      aux="";
+      aux += res->getString(1);
+      //aux += ":"+res->getString(2);
+      if(res->getBoolean(2)){
+          aux+=":t";
+        }else{
+          aux+=":f";
+        }
+      ret.push_back(aux);
+    }
+  delete res;
+  return ret;
+}
+
 void msql_acces::write_install(std::string package, std::string user){
   sql::PreparedStatement *pstmt =
       con->prepareStatement("insert into packages(name,user) values(?,(select id from users where username=?))");