/// <summary>
/// Handles a GET by either getting a resource by ID or querying against all resources
/// </summary>
/// <param name="request"></param>
/// <param name="resourceHandler"></param>
/// <param name="resourceDescriptor"></param>
/// <returns></returns>
private async Task HandleGet(IRequest request, IResourceHandler resourceHandler, ResourceDescriptor resourceDescriptor)
{
if (resourceDescriptor.Id != null)
{
// get the single resource
var resource = await resourceHandler.Get(resourceDescriptor);
// if found, render the resource and return in the body
// otherwise, indicate not found
if (resource != null)
{
request.Response.WithStatus(HttpStatusCode.OK).WithJsonBody(ResourceSerializer.Serialize(resource));
}
else
{
request.Response.WithStatus(HttpStatusCode.NotFound);
}
}
else
{
Logger.Debug("Executing query for resources of type {0}...", resourceDescriptor.Type);
// no id, so this is a query
var resourceCollection = await resourceHandler.Query(resourceDescriptor);
Logger.Debug("Completed query for resources of type {0}.", resourceDescriptor.Type);
// create JSON array from results and return as body
request.Response.WithStatus(HttpStatusCode.OK)
.WithJsonBody(ResourceSerializer.Serialize(resourceCollection));
}
}
/// <summary>
/// Handles a PUT by updating a resource
/// </summary>
/// <param name="request"></param>
/// <param name="resourceHandler"></param>
/// <param name="resourceDescriptor"></param>
/// <param name="resource"></param>
/// <returns></returns>
private async Task HandlePut(IRequest request, IResourceHandler resourceHandler, ResourceDescriptor resourceDescriptor, Resource resource)
{
// get the object first to ensure it exists
var existing = await resourceHandler.Get(resourceDescriptor);
if (existing == null)
{
request.Response.WithStatus(HttpStatusCode.NotFound);
return;
}
// if a different ID was provided on the resource, or it wasn't set at all, set it now
if (resource.Id != existing.Id)
{
resource.Id = existing.Id;
}
// update resource using handler
var result = await resourceHandler.Update(resourceDescriptor, resource);
// return the updated object rendered as JSON
request.Response.WithStatus(HttpStatusCode.OK).WithJsonBody(ResourceSerializer.Serialize(result));
}
/// <summary>
/// Handles DELETE by removing a resource
/// </summary>
/// <param name="request"></param>
/// <param name="resourceHandler"></param>
/// <param name="resourceDescriptor"></param>
/// <returns></returns>
private async Task HandleDelete(IRequest request, IResourceHandler resourceHandler, ResourceDescriptor resourceDescriptor)
{
try
{
// get the resource to ensure it exists
var existing = await resourceHandler.Get(resourceDescriptor);
if (existing == null)
{
request.Response.WithStatus(HttpStatusCode.NotFound);
return;
}
// delete the resource using the handler
await resourceHandler.Delete(resourceDescriptor);
// return OK to indicate the resource was successfully deleted
request.Response.WithStatus(HttpStatusCode.OK);
}
catch (Exception e)
{
request.Response.WithStatus(HttpStatusCode.InternalServerError).WithPlainTextBody(e.ToString());
}
}
public string _T(string key)
{
return(_rh.Get(key));
}
