public bool GetLocationData(City city)
{
string locationKey = city.Id;
if (string.IsNullOrEmpty(locationKey))
{
return(false);
}
city.HasData = false;
string cachefile = string.Format(_parsefileLocation, locationKey.Replace(',', '_'));
XPathDocument doc = null;
if (ShouldUseCache(cachefile))
{
doc = new XPathDocument(cachefile);
}
else
{
if (!NetworkConnectionTracker.IsNetworkConnected)
{
return(false);
}
Dictionary <string, string> args = new Dictionary <string, string>();
args["q"] = city.Id;
args["num_of_days"] = "5";
string url = BuildRequest("weather.ashx", args);
doc = WorldWeatherOnlineHelper.GetOnlineContent(url);
if (doc == null && File.Exists(cachefile))
{
doc = new XPathDocument(cachefile);
}
if (doc == null)
{
return(false);
}
// Save cache file
using (XmlWriter xw = XmlWriter.Create(cachefile))
{
doc.CreateNavigator().WriteSubtree(xw);
xw.Close();
}
}
return(Parse(city, doc));
}
/// <summary>
/// Returns a new List of City objects if the searched
/// location was found... the unique id (City.Id) and the
/// location name will be set for each City...
/// </summary>
/// <param name="locationName">Name of the location to search for</param>
/// <returns>New City List</returns>
public List <CitySetupInfo> FindLocationsByName(string locationName)
{
// create list that will hold all found cities
List <CitySetupInfo> locations = new List <CitySetupInfo>();
Dictionary <string, string> args = new Dictionary <string, string>();
args["query"] = locationName;
args["num_of_results"] = "5";
string url = BuildRequest("search.ashx", args);
XPathDocument doc = WorldWeatherOnlineHelper.GetOnlineContent(url);
XPathNavigator navigator = doc.CreateNavigator();
XPathNodeIterator nodes = navigator.Select("/search_api/result");
while (nodes.MoveNext())
{
List <string> details = new List <string>();
CitySetupInfo city = new CitySetupInfo();
XPathNavigator nodesNavigator = nodes.Current;
if (nodesNavigator == null)
{
continue;
}
XPathNavigator areaNode = nodesNavigator.SelectSingleNode("areaName");
if (areaNode != null)
{
city.Name = areaNode.Value;
}
XPathNavigator countryNode = nodesNavigator.SelectSingleNode("country");
if (countryNode != null)
{
city.Name += " (" + countryNode.Value + ")";
}
// Build a unique key based on latitude & longitude
XPathNavigator latNode = nodesNavigator.SelectSingleNode("latitude");
XPathNavigator lonNode = nodesNavigator.SelectSingleNode("longitude");
if (latNode != null && lonNode != null)
{
city.Id = latNode.Value + "," + lonNode.Value;
details.Add(string.Format("{0:00.00} {1:00.00}", latNode.ValueAsDouble, lonNode.ValueAsDouble));
}
// Get population info
XPathNavigator populationNode = nodesNavigator.SelectSingleNode("population");
if (populationNode != null && populationNode.ValueAsDouble > 0)
{
details.Add(string.Format("Pop.: {0}", populationNode.Value));
}
if (details.Count > 0)
{
city.Detail = string.Format("({0})", string.Join(" / ", details.ToArray()));
}
city.Grabber = GetServiceName();
locations.Add(city);
}
return(locations);
}
