/// <summary>
/// Gets the context claims. Either all context claims or for a given aspect name.
/// </summary>
/// <param name="aspectName">The aspect name. If <c>null</c> all context claims are returned.</param>
/// <returns>A dictionary with the claim names in format aspectName.propertyName as keys.</returns>
public IDictionary <string, object> GetContextClaims(string aspectName)
{
using (new Tracer(aspectName))
{
if (_contextEngineClient == null)
{
// Apparently an exception occurred in the class constructor; it should have logged the exception already.
throw new DxaException("Context Engine Client was not initialized. Check the log file for errors.");
}
// TODO: Not really nice to use HttpContext at this level.
HttpContext httpContext = HttpContext.Current;
if (httpContext == null)
{
throw new DxaException("Cannot obtain HttpContext.");
}
HttpRequest httpRequest = httpContext.Request;
HttpCookie contextCookie = httpRequest.Cookies["context"];
IContextMap contextMap;
try
{
EvidenceBuilder evidenceBuilder = new EvidenceBuilder().With("user-agent", httpRequest.UserAgent);
if (contextCookie != null && !string.IsNullOrEmpty(contextCookie.Value))
{
evidenceBuilder.With("cookie", string.Format("{0}={1}", contextCookie.Name, contextCookie.Value));
}
IEvidence evidence = evidenceBuilder.Build();
contextMap = _contextEngineClient.Resolve(evidence);
}
catch (Exception ex)
{
throw new DxaException("An error occurred while resolving evidence using the Context Service.", ex);
}
IDictionary <string, object> result = new Dictionary <string, object>();
if (string.IsNullOrEmpty(aspectName))
{
// Add claims for all aspects.
foreach (string aspectKey in contextMap.KeySet)
{
AddAspectClaims(aspectKey, contextMap, result);
}
}
else
{
// Add claims for the given aspect.
AddAspectClaims(aspectName, contextMap, result);
}
return(result);
}
}
/// <summary>
/// Gets the context claims. Either all context claims or for a given aspect name.
/// </summary>
/// <param name="aspectName">The aspect name. If <c>null</c> all context claims are returned.</param>
/// <param name="localization">The context Localization.</param>
/// <returns>A dictionary with the claim names in format aspectName.propertyName as keys.</returns>
public IDictionary <string, object> GetContextClaims(string aspectName, Localization localization)
{
using (new Tracer(aspectName))
{
if (_contextEngineClient == null)
{
// Apparently an exception occurred in the class constructor; it should have logged the exception already.
throw new DxaException("Context Engine Client was not initialized. Check the log file for errors.");
}
string userAgent = null;
string contextCookieValue = null;
HttpContext httpContext = HttpContext.Current; // TODO: Not really nice to use HttpContext at this level.
if (httpContext != null)
{
userAgent = httpContext.Request.UserAgent;
HttpCookie contextCookie = httpContext.Request.Cookies["context"];
if (contextCookie != null)
{
contextCookieValue = contextCookie.Value;
}
}
if (string.IsNullOrEmpty(userAgent))
{
userAgent = DefaultUserAgent;
}
IContextMap contextMap;
try
{
EvidenceBuilder evidenceBuilder = new EvidenceBuilder().With("user-agent", userAgent);
if (_usePublicationEvidence)
{
evidenceBuilder.WithPublicationId(Convert.ToInt32(localization.Id)); // TODO: What about URI scheme?
}
if (!string.IsNullOrEmpty(contextCookieValue))
{
evidenceBuilder.With("cookie", string.Format("context={0}", contextCookieValue));
}
IEvidence evidence = evidenceBuilder.Build();
contextMap = _contextEngineClient.Resolve(evidence);
}
catch (Exception ex)
{
throw new DxaException("An error occurred while resolving evidence using the Context Service.", ex);
}
IDictionary <string, object> result = new Dictionary <string, object>();
if (string.IsNullOrEmpty(aspectName))
{
// Add claims for all aspects.
foreach (string aspectKey in contextMap.KeySet)
{
AddAspectClaims(aspectKey, contextMap, result);
}
}
else
{
// Add claims for the given aspect.
AddAspectClaims(aspectName, contextMap, result);
}
return(result);
}
}
