GeocoderLocation IGeoCoder.Geocode(PropertyLocation address)
{
string queryAdress = string.Format(((IGeoCoder)this).UrlPattern, HttpUtility.UrlEncode(address.Street + " " + address.StreetNumber), HttpUtility.UrlEncode(address.City));
WebRequest request = WebRequest.Create(queryAdress);
using (WebResponse response = request.GetResponse())
{
using (Stream stream = response.GetResponseStream())
{
XDocument document = XDocument.Load(stream);
XElement placeElement = document.Descendants("place").FirstOrDefault();
if (placeElement != null)
{
XAttribute longitudeElement = placeElement.Attribute("lon");
XAttribute latitudeElement = placeElement.Attribute("lat");
if (longitudeElement != null && latitudeElement != null)
{
return new GeocoderLocation()
{
Longitude = double.Parse(longitudeElement.Value, CultureInfo.InvariantCulture),
Latitude = double.Parse(latitudeElement.Value, CultureInfo.InvariantCulture)
};
}
}
}
}
return null;
}
internal static string GetRouteAsStoredFile(PropertyLocation source, PropertyLocation destination)
{
if (!source.IsMeaningful)
{
Logger.Instance.LogFormat(LogType.Warning, typeof(RoutePlanHelper), Properties.Resources.NoSourceLocationDefined);
return null;
}
if (!destination.IsMeaningful)
{
Logger.Instance.LogFormat(LogType.Warning, typeof(RoutePlanHelper), Properties.Resources.NoDestinationLocationAvailable);
return null;
}
try
{
return GetRouteAsStoredFileCore(source, destination);
}
catch (Exception ex)
{
Logger.Instance.LogFormat(LogType.Error, typeof(RoutePlanHelper), Properties.Resources.RoutePlanHelperError);
Logger.Instance.LogException(typeof(RoutePlanHelper), ex);
}
return null;
}
GeocoderLocation IGeoCoder.GeoCode(PropertyLocation address)
{
string queryAdress = string.Format(((IGeoCoder)this).UrlPattern, HttpUtility.UrlEncode(address.ToString()));
WebRequest request = WebRequest.Create(queryAdress);
using (WebResponse response = request.GetResponse())
{
using (Stream stream = response.GetResponseStream())
{
XDocument document = XDocument.Load(new StreamReader(stream));
XElement longitudeElement = document.Descendants("lng").FirstOrDefault();
XElement latitudeElement = document.Descendants("lat").FirstOrDefault();
if (longitudeElement != null && latitudeElement != null)
{
return new GeocoderLocation
{
Longitude = Double.Parse(longitudeElement.Value, CultureInfo.InvariantCulture),
Latitude = Double.Parse(latitudeElement.Value, CultureInfo.InvariantCulture)
};
}
}
}
return null;
}
GeocoderLocation IGeoCoder.Geocode(PropertyLocation address)
{
string queryAddress = string.Format(((IGeoCoder)this).UrlPattern, HttpUtility.UrlEncode(address.ToString()));
if (!string.IsNullOrWhiteSpace(address.ZipCode))
{
queryAddress = string.Format("{0}&components=postal_code:{1}|country:DE", queryAddress, address.ZipCode);
}
WebRequest request = WebRequest.Create(queryAddress);
using (WebResponse response = request.GetResponse())
{
using (Stream stream = response.GetResponseStream())
{
XDocument document = XDocument.Load(stream);
XElement longitudeElement = document.Descendants("lng").FirstOrDefault();
XElement latitudeElement = document.Descendants("lat").FirstOrDefault();
if (longitudeElement != null && latitudeElement != null)
{
return new GeocoderLocation()
{
Longitude = double.Parse(longitudeElement.Value, CultureInfo.InvariantCulture),
Latitude = double.Parse(latitudeElement.Value, CultureInfo.InvariantCulture)
};
}
}
}
return null;
}
/// <summary>
/// Initializes a new instance of the <see cref="OperationData"/> class.
/// </summary>
public OperationData()
{
Resources = new HashSet<OperationResourceData>();
DispositionedResources = new HashSet<DispositionedResourceData>();
Einsatzort = new PropertyLocation();
Zielort = new PropertyLocation();
Keywords = new OperationKeywords();
}
private static string GetRouteAsStoredFileCore(PropertyLocation source, PropertyLocation destination)
{
int width = 800;
int height = 800;
// https://developers.google.com/maps/documentation/directions/?hl=de
string originText = source.ToString();
string destinationText = destination.ToString();
StringBuilder sbInitialRequest = new StringBuilder();
sbInitialRequest.Append("http://maps.google.com/maps/api/directions/xml?");
sbInitialRequest.AppendFormat("origin={0}", HttpUtility.UrlEncode(originText));
sbInitialRequest.AppendFormat("&destination={0}", HttpUtility.UrlEncode(destinationText));
sbInitialRequest.Append("&sensor=false");
WebRequest wreqInitial = WebRequest.Create(sbInitialRequest.ToString());
XDocument docResponse = null;
using (WebResponse wresInitial = wreqInitial.GetResponse())
{
using (Stream stream = wresInitial.GetResponseStream())
{
docResponse = XDocument.Load(stream);
}
string status = docResponse.Root.Element("status").Value;
if (status != "OK")
{
Logger.Instance.LogFormat(LogType.Error, typeof(RoutePlanHelper), Properties.Resources.MapsRequestFailed, status);
return null;
}
}
XElement overviewE = docResponse.Root.Element("route").Element("overview_polyline").Element("points");
StringBuilder sbContinuationRequest = new StringBuilder();
sbContinuationRequest.Append("http://maps.google.com/maps/api/staticmap?");
sbContinuationRequest.AppendFormat("size={0}x{1}", width, height);
sbContinuationRequest.AppendFormat("&sensor=false&path=weight:3|color:red|enc:{0}", overviewE.Value);
WebRequest wr1 = WebRequest.Create(sbContinuationRequest.ToString());
using (WebResponse res1 = wr1.GetResponse())
{
using (Image image = Image.FromStream(res1.GetResponseStream()))
{
using (FileStream tempFile = File.OpenWrite(Path.GetTempFileName()))
{
image.Save(tempFile, ImageFormat.Png);
return tempFile.Name;
}
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Operation"/> class and sets the value of the <see cref="P:TimestampIncome"/>-property to <see cref="P:DateTime.Now"/>.
/// </summary>
public Operation()
{
CustomData = new Dictionary <string, object>();
Resources = new OperationResourceCollection();
OperationGuid = Guid.NewGuid();
Loops = new OperationLoopCollection();
Einsatzort = new PropertyLocation();
Zielort = new PropertyLocation();
Keywords = new OperationKeywords();
TimestampIncome = DateTime.Now;
}
internal static string GetRouteAsStoredFile(PropertyLocation source, PropertyLocation destination)
{
try
{
return GetRouteAsStoredFileCore(source, destination);
}
catch (Exception ex)
{
Logger.Instance.LogFormat(LogType.Error, typeof(RoutePlanHelper), Resources.RoutePlanHelperError);
Logger.Instance.LogException(typeof(RoutePlanHelper), ex);
}
return null;
}
/// <summary>
/// Renders the given operation using the provided template file and restricts the output to the given size.
/// </summary>
/// <param name="source">The source location to start. This is usually the fire department site.</param>
/// <param name="operation">The operation to render.</param>
/// <param name="templateFile">The HTML template file to use for layouting.</param>
/// <param name="size">The maximum size of the created image.</param>
/// <returns></returns>
internal static Image RenderOperation(PropertyLocation source, Operation operation, string templateFile, Size size)
{
TemplateObject to = new TemplateObject();
to.Operation = operation;
to.RouteImageFilePath = RoutePlanHelper.GetRouteAsStoredFile(source, operation.Einsatzort);
// Create HTML to render
StringBuilder sb = new StringBuilder();
foreach (string line in File.ReadAllLines(templateFile))
{
sb.AppendLine(ObjectFormatter.ToString(to, line));
}
Image image = RenderOperationWithBrowser(to, sb.ToString(), size);
TryDeleteRouteImageFile(to);
return image;
}
/// <summary>
/// Renders the given operation using the provided template file and restricts the output to the given size.
/// </summary>
/// <param name="source">The source location to start. This is usually the fire department site.</param>
/// <param name="operation">The operation to render.</param>
/// <param name="templateFile">The HTML template file to use for layouting.</param>
/// <param name="size">The maximum size of the created image.</param>
/// <returns></returns>
internal static Image RenderOperation(PropertyLocation source, Operation operation, string templateFile, Size size)
{
TemplateObject to = new TemplateObject();
to.Operation = operation;
to.RouteImageFilePath = RoutePlanHelper.GetRouteAsStoredFile(source, operation.Einsatzort);
Image image = null;
try
{
string html = CreateHtml(templateFile, to);
image = RenderOperationWithBrowser(to, html, size);
}
catch (Exception ex)
{
Logger.Instance.LogException(typeof(TemplateRenderer), ex);
}
finally
{
TryDeleteRouteImageFile(to);
}
return image;
}
private PropertyLocation GetZielort(OperationData entity)
{
PropertyLocation pl = new PropertyLocation();
pl.Street = entity.ZielortStreet;
pl.StreetNumber = entity.ZielortStreetNumber;
pl.ZipCode = entity.ZielortZipCode;
pl.City = entity.ZielortCity;
pl.Intersection = entity.ZielortIntersection;
pl.Location = entity.ZielortLocation;
pl.Property = entity.ZielortProperty;
string[] latlng = entity.ZielortLatLng.Split(';');
pl.GeoLatitude = latlng[0];
pl.GeoLongitude = latlng[1];
return pl;
}
/// <summary>
/// Connects to Google Maps and queries an image displaying the route from the given start to finish position.
/// See documentation for further information.
/// </summary>
/// <remarks>When using this method, make sure that the <paramref name="source"/> and <paramref name="destination"/>-parameters contain meaningful data!
/// You can check this by calling <see cref="PropertyLocation.IsMeaningful"/> to see if the data is meaningful enough to return a good result.</remarks>
/// <param name="source"></param>
/// <param name="destination"></param>
/// <returns>The resulting PNG-image as a buffer. -or- null, if an error occurred during download of the image.</returns>
public Image GetRouteImage(PropertyLocation source, PropertyLocation destination)
{
int width = 800;
int height = 800;
// https://developers.google.com/maps/documentation/directions/?hl=de
// Create initial request
StringBuilder sbInitialRequest = new StringBuilder();
sbInitialRequest.Append("http://maps.google.com/maps/api/directions/xml?origin=");
sbInitialRequest.AppendFormat("{0} {1},{2},{3}", source.Street, source.StreetNumber, source.ZipCode, source.City);
sbInitialRequest.Append("&destination=");
sbInitialRequest.AppendFormat("{0} {1},{2},{3}", destination.Street, destination.StreetNumber, destination.ZipCode, destination.City);
sbInitialRequest.Append("&sensor=false");
WebRequest wreqInitial = WebRequest.Create(sbInitialRequest.ToString());
XDocument docResponse = null;
using (WebResponse wresInitial = wreqInitial.GetResponse())
{
docResponse = XDocument.Load(wresInitial.GetResponseStream());
// Load the response XML
string status = docResponse.Root.Element("status").Value;
switch (status)
{
// TODO: Handle the errors!
case "NOT_FOUND":
case "ZERO_RESULTS":
Logger.Instance.LogFormat(LogType.Warning, null, "The maps-request failed with status '{0}'. This is an indication that the location could not be retrieved. Sorry, but there's no workaround.", status);
return null;
case "OVER_QUERY_LIMIT":
Logger.Instance.LogFormat(LogType.Error, null, "The maps-request failed with status 'OVER_QUERY_LIMIT'. This indicates too many queries within a short timeframe.");
return null;
case "MAX_WAYPOINTS_EXCEEDED":
case "INVALID_REQUEST":
case "REQUEST_DENIED":
case "UNKNOWN_ERROR":
default:
Logger.Instance.LogFormat(LogType.Error, null, "The maps-request failed with status '{0}'. Please contact the developers!", status);
return null;
case "OK":
// Everything ok.
break;
}
}
// Get the path data
XElement overviewE = docResponse.Root.Element("route").Element("overview_polyline").Element("points");
StringBuilder sbContinuationRequest = new StringBuilder();
sbContinuationRequest.Append("http://maps.google.com/maps/api/staticmap?");
sbContinuationRequest.AppendFormat("size={0}x{1}", width, height);
sbContinuationRequest.Append("&sensor=false&path=weight:3|color:red|");
sbContinuationRequest.AppendFormat("enc:{0}", overviewE.Value);
WebRequest wr1 = WebRequest.Create(sbContinuationRequest.ToString());
WebResponse res1 = wr1.GetResponse();
// Save the image as PNG
using (MemoryStream ms = new MemoryStream())
{
return Image.FromStream(res1.GetResponseStream());
}
}
private static string GetRouteAsStoredFileCore(PropertyLocation source, PropertyLocation destination)
{
int width = 800;
int height = 800;
// https://developers.google.com/maps/documentation/directions/?hl=de
string originText = source.ToString();
string destinationText = destination.ToString();
// Create initial request
StringBuilder sbInitialRequest = new StringBuilder();
sbInitialRequest.Append("http://maps.google.com/maps/api/directions/xml?");
sbInitialRequest.AppendFormat("origin={0}", originText);
sbInitialRequest.AppendFormat("&destination={0}", destinationText);
sbInitialRequest.Append("&sensor=false");
WebRequest wreqInitial = WebRequest.Create(sbInitialRequest.ToString());
XDocument docResponse = null;
using (WebResponse wresInitial = wreqInitial.GetResponse())
{
docResponse = XDocument.Load(wresInitial.GetResponseStream());
// Load the response XML
string status = docResponse.Root.Element("status").Value;
switch (status)
{
// TODO: Handle the errors!
case "NOT_FOUND":
case "ZERO_RESULTS":
Logger.Instance.LogFormat(LogType.Warning, typeof(RoutePlanHelper), "The maps-request failed with status '{0}'. This is an indication that the location could not be retrieved. Sorry, but there's no workaround.", status);
return null;
case "OVER_QUERY_LIMIT":
Logger.Instance.LogFormat(LogType.Error, typeof(RoutePlanHelper), "The maps-request failed with status 'OVER_QUERY_LIMIT'. This indicates too many queries within a short timeframe.");
return null;
case "MAX_WAYPOINTS_EXCEEDED":
case "INVALID_REQUEST":
case "REQUEST_DENIED":
case "UNKNOWN_ERROR":
default:
Logger.Instance.LogFormat(LogType.Error, typeof(RoutePlanHelper), "The maps-request failed with status '{0}'. Please contact the developers!", status);
return null;
case "OK":
// Everything ok.
break;
}
}
// Get the path data
XElement overviewE = docResponse.Root.Element("route").Element("overview_polyline").Element("points");
StringBuilder sbContinuationRequest = new StringBuilder();
sbContinuationRequest.Append("http://maps.google.com/maps/api/staticmap?");
sbContinuationRequest.AppendFormat("size={0}x{1}", width, height);
// TODO: Maybe allow configuring the thickness and color, especially for b/w-printers?
sbContinuationRequest.AppendFormat("&sensor=false&path=weight:3|color:red|enc:{0}", overviewE.Value);
WebRequest wr1 = WebRequest.Create(sbContinuationRequest.ToString());
using (WebResponse res1 = wr1.GetResponse())
{
using (Image image = Image.FromStream(res1.GetResponseStream()))
{
using (FileStream tempFile = File.OpenWrite(Path.GetTempFileName()))
{
image.Save(tempFile, ImageFormat.Png);
return tempFile.Name;
}
}
}
}
private static PropertyLocation GetFDLocation()
{
if (FDLocation == null)
{
FDLocation = new PropertyLocation();
try
{
using (var service = ServiceFactory.GetCallbackServiceWrapper<ISettingsService>(new SettingsServiceCallback()))
{
FDLocation.Street = service.Instance.GetSetting(SettingKeys.FDStreet).GetValue<string>();
FDLocation.StreetNumber = service.Instance.GetSetting(SettingKeys.FDStreetNumber).GetValue<string>();
FDLocation.ZipCode = service.Instance.GetSetting(SettingKeys.FDZipCode).GetValue<string>();
FDLocation.City = service.Instance.GetSetting(SettingKeys.FDCity).GetValue<string>();
}
}
catch (Exception ex)
{
Logger.Instance.LogException(typeof(OperationToRouteImageConverter), ex);
}
}
return FDLocation;
}
