private TAttribute GetAttribute <TAttribute>(ViewSourceContext context)
where TAttribute : Attribute
{
var responseType = context.ActionDescriptor.Route.ResponseType;
var action = context.ActionDescriptor.Action;
return(responseType?.GetAttribute <TAttribute>() ??
action.GetActionOrHandlerAttribute <TAttribute>());
}
public static string[] DefaultViewNameConvention(ViewSourceContext context)
{
var viewNames = new List <string>();
var respponseTypeName = context.ActionDescriptor.Route.ResponseType?.Type
.GetNestedName().GetNonGenericName().NormalizeNestedTypeName();
if (respponseTypeName.IsNotNullOrEmpty())
{
viewNames.Add(respponseTypeName);
}
viewNames.Add(context.ActionDescriptor.Action.HandlerTypeDescriptor.Type
.GetNestedName().GetNonGenericName().NormalizeNestedTypeName());
return(viewNames.ToArray());
}
protected override ViewDescriptor[] GetViewDescriptors(ViewSourceContext context,
string[] viewNames, Encoding encoding)
{
var handlerDescriptor = context.ActionDescriptor.Action
.HandlerTypeDescriptor;
var @namespace = handlerDescriptor.Type.Namespace ?? "";
var resources = handlerDescriptor.AssemblyDescriptor.Resources;
return(context.SupportedTypes
.SelectMany(t => viewNames.Select(v => new
{
Resource = resources.FirstOrDefault(x => x.Name
.EqualsUncase($"{@namespace}.{v}.{t}")),
Type = t
}))
.Where(x => x.Resource != null)
.Select(x => new ViewDescriptor(x.Type,
() => x.Resource.GetString(encoding)))
.ToArray());
}
public virtual View[] GetViews(ViewSourceContext context)
{
var acceptTypes =
GetAttribute <ViewAcceptAttribute>(context)?.Accept ??
_viewConfiguration.DefaultAcceptTypes.ToArray();
var contentType =
GetAttribute <ViewContentTypeAttribute>(context)?.ContentType ??
_viewConfiguration.DefaultContentType;
var encoding =
GetAttribute <ViewEncodingAttribute>(context)?.Encoding ??
_viewConfiguration.DefaultEncoding;
var viewNames = GetAttribute <ViewAttribute>(context)?.Names ??
(_viewConfiguration.ViewNameConvention ??
DefaultViewNameConvention).Invoke(context);
return(GetViewDescriptors(context, viewNames, encoding)?
.Select(x => new View(x.Type, x.Source, acceptTypes,
encoding, contentType, context.ActionDescriptor))
.ToArray() ?? EmptyViews);
}
protected override ViewDescriptor[] GetViewDescriptors(
ViewSourceContext context, string[] viewNames, Encoding encoding)
{
var webRoot = _pathProvider.MapPath("~/");
var @namespace = context.ActionDescriptor.Action
.HandlerTypeDescriptor.Type.Namespace ?? "";
return(_viewConfiguration
.NamespacePathMappings
.Where(m => m.Applies(@namespace))
.Select(m => m.Map(@namespace, Path.DirectorySeparatorChar))
.SelectMany(x => context.SupportedTypes
.SelectMany(t => viewNames.Select(v => new
{
Path = Path.Combine(webRoot, x, $"{v}.{t}"),
Type = t
})))
.Where(x => File.Exists(x.Path))
.Select(x => new ViewDescriptor(x.Type,
() => File.ReadAllText(x.Path, encoding)))
.ToArray());
}
protected abstract ViewDescriptor[] GetViewDescriptors(
ViewSourceContext context, string[] viewNames,
Encoding encoding);
public virtual bool AppliesTo(ViewSourceContext context)
{
return(context.ActionDescriptor.Route.HasResponse);
}