/// <summary>
/// Gets the model that represents an API displayed on the help page. The model is initialized on the first call and cached for subsequent calls.
/// </summary>
/// <param name="config">The <see cref="HttpConfiguration"/>.</param>
/// <param name="apiDescriptionId">The <see cref="ApiDescription"/> ID.</param>
/// <returns>
/// An <see cref="HelpPageApiModel"/>
/// </returns>
public static HelpPageApiModel GetHelpPageApiModel(this HttpConfiguration config, string apiDescriptionId)
{
object model;
string modelId = ApiModelPrefix + apiDescriptionId;
if (!config.Properties.TryGetValue(modelId, out model))
{
Collection <ApiDescription> apiDescriptions = config.Services.GetApiExplorer().ApiDescriptions;
ApiDescription apiDescription = apiDescriptions.FirstOrDefault(api => String.Equals(api.GetFriendlyId(), apiDescriptionId, StringComparison.OrdinalIgnoreCase));
if (apiDescription != null)
{
// Alter the description here to be able to get a hold of
// the complex type properties.
apiDescription.AlterApiDescription(config);
HelpPageSampleGenerator sampleGenerator = config.GetHelpPageSampleGenerator();
model = GenerateApiModel(apiDescription, sampleGenerator);
config.Properties.TryAdd(modelId, model);
}
}
return((HelpPageApiModel)model);
}