public List <WayNodeModel> getPrimaryWayEdgeForScreenshots()
{
string query = "SELECT a.way_id, a.node_id, c.latitude, c.longitude, b.v as way_name FROM way_nodes a, way_tags b, nodes c WHERE a.way_id = b.way_id and a.node_id = c.node_id and b.k = 'name' GROUP BY b.v";
//Create a list to store the result
List <WayNodeModel> mainWays = new List <WayNodeModel>();
//Open connection
if (this.OpenConnection() == true)
{
//Create Command
MySqlCommand cmd = new MySqlCommand(query, connection);
//Create a data reader and Execute the command
MySqlDataReader dataReader = cmd.ExecuteReader();
//Read the data and store them in the list
while (dataReader.Read())
{
WayNodeModel model = new WayNodeModel();
model.setWayId(dataReader["way_id"].ToString());
model.setNodeId(dataReader["node_id"].ToString());
model.setLatitude(Convert.ToDouble(dataReader["latitude"].ToString()));
model.setLongitude(Convert.ToDouble(dataReader["longitude"].ToString()));
model.setWayName(dataReader["way_name"].ToString());
mainWays.Add(model);
}
//close Data Reader
dataReader.Close();
//close Connection
this.CloseConnection();
//return list to be displayed
return(mainWays);
}
else
{
return(mainWays);
}
}
public WayNodeModel getWayNodeDataAttribute(String name)
{
string query = "SELECT a.way_id, a.node_id, c.latitude, c.longitude, b.v as way_name FROM way_nodes a, way_tags b, nodes c WHERE a.way_id = b.way_id and a.node_id = c.node_id and b.k = 'name' and b.v = '" + name + "' group by b.way_id limit 1";
//Create a list to store the result
WayNodeModel wayModel = new WayNodeModel();
//Open connection
if (this.OpenConnection() == true)
{
//Create Command
MySqlCommand cmd = new MySqlCommand(query, connection);
//Create a data reader and Execute the command
MySqlDataReader dataReader = cmd.ExecuteReader();
//Read the data and store them in the list
while (dataReader.Read())
{
wayModel.setWayId(dataReader["way_id"].ToString());
wayModel.setNodeId(dataReader["node_id"].ToString());
wayModel.setLatitude(Convert.ToDouble(dataReader["latitude"].ToString()));
wayModel.setLongitude(Convert.ToDouble(dataReader["longitude"].ToString()));
wayModel.setWayName(dataReader["way_name"].ToString());
}
//close Data Reader
dataReader.Close();
//close Connection
this.CloseConnection();
//return way to be displayed
return(wayModel);
}
else
{
return(wayModel);
}
}