public void ConfigureRelTransformation(Action <LinkTransformationBuilder> configureTransform)
{
var builder = new LinkTransformationBuilder();
configureTransform(builder);
this.relTransformation = builder.Build();
}
public static LinkTransformationBuilder AddQueryStringValues(this LinkTransformationBuilder builder, IDictionary <string, string> values)
{
return(builder.Add(ctx =>
{
var queryString = String.Join("&", values.Select(v => $"{v.Key}={v.Value?.ToString()}"));
return string.Concat("?", queryString);
}));
}
public static LinkTransformationBuilder AddVirtualPath(this LinkTransformationBuilder builder, Func <LinkTransformationContext, string> getPath)
{
return(builder.Add(ctx =>
{
var path = getPath(ctx);
if (!path.StartsWith("/"))
{
path = String.Concat("/", path);
}
return path;
}));
}
public static LinkTransformationBuilder AddRoutePath(this LinkTransformationBuilder builder)
{
return(builder.Add(ctx =>
{
if (string.IsNullOrEmpty(ctx.LinkSpec.RouteName))
{
throw new InvalidOperationException($"Invalid route specified in link specification.");
}
var path = ctx.LinkGenerator.GetPathByRouteValues(ctx.HttpContext, ctx.LinkSpec.RouteName, ctx.LinkSpec.RouteValues);
if (string.IsNullOrEmpty(path))
{
throw new InvalidOperationException($"Invalid path when adding route '{ctx.LinkSpec.RouteName}'. RouteValues: {string.Join(",", ctx.ActionContext.RouteData.Values.Select(x => string.Concat(x.Key, "=", x.Value)))}");
}
return path;
}));
}
public static LinkTransformationBuilder AddRoutePath(this LinkTransformationBuilder builder)
{
return(builder.Add(ctx =>
{
if (string.IsNullOrEmpty(ctx.LinkSpec.RouteName))
{
throw new InvalidOperationException($"Invalid route specified in link specification.");
}
var valuesDictionary = GetValuesDictionary(ctx.LinkSpec.RouteValues);
var virtualPathContext = new VirtualPathContext(ctx.HttpContext, ctx.RouteValues, valuesDictionary, ctx.LinkSpec.RouteName);
var virtualPathData = ctx.Router.GetVirtualPath(virtualPathContext);
if (virtualPathData == null)
{
throw new InvalidOperationException($"Invalid virtualPathData when adding route '{ctx.LinkSpec.RouteName}'. RouteValues: {String.Join(",", valuesDictionary.Select(x => String.Concat(x.Key,"=",x.Value)))}");
}
return virtualPathData.VirtualPath;
}));
}
public static LinkTransformationBuilder AddFragment(this LinkTransformationBuilder builder, Func <LinkTransformationContext, string> getFragment)
{
return(builder.Add(ctx => string.Concat("#", getFragment(ctx))));
}
public static LinkTransformationBuilder AddVirtualPath(this LinkTransformationBuilder builder, string path)
{
return(builder.AddVirtualPath(ctx => path));
}
public static LinkTransformationBuilder AddHost(this LinkTransformationBuilder builder)
{
return(builder.Add(ctx => ctx.HttpContext.Request.Host.ToUriComponent()));
}
public static LinkTransformationBuilder AddProtocol(this LinkTransformationBuilder builder)
{
return(builder.Add(ctx => String.Concat(ctx.HttpContext.Request.Scheme, "://")));
}