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Create a new shared package, Microsoft.AspNet.SpaServices, to hold MapSpaFallbackRoute (and other common infrastructure yet to be added)

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SteveSandersonMS
2015-12-09 15:13:56 +00:00
parent 4a5b9e62ef
commit d4f04d211f
6 changed files with 110 additions and 60 deletions
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59
samples/angular/MusicStore/Startup.cs
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@@ -3,9 +3,7 @@ using System.Collections.Generic;
using Microsoft.AspNet.Authorization;
using Microsoft.AspNet.Builder;
using Microsoft.AspNet.Hosting;
using Microsoft.AspNet.Http;
using Microsoft.AspNet.Identity.EntityFramework;
using Microsoft.AspNet.Routing;
using Microsoft.Data.Entity;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
@@ -125,61 +123,4 @@ namespace MusicStore
});
}
}
internal static class SpaRouteExtensions {
private const string ClientRouteTokenName = "clientRoute";
public static void MapSpaFallbackRoute(this IRouteBuilder routeBuilder, string name, object defaults, object constraints = null, object dataTokens = null) {
MapSpaFallbackRoute(routeBuilder, name, /* templatePrefix */ (string)null, defaults, constraints, dataTokens);
}
public static void MapSpaFallbackRoute(this IRouteBuilder routeBuilder, string name, string templatePrefix, object defaults, object constraints = null, object dataTokens = null)
{
var template = CreateRouteTemplate(templatePrefix);
var constraintsDict = ObjectToDictionary(constraints);
constraintsDict.Add(ClientRouteTokenName, new SpaRouteConstraint());
routeBuilder.MapRoute(name, template, defaults, constraintsDict, dataTokens);
}
private static string CreateRouteTemplate(string templatePrefix)
{
templatePrefix = templatePrefix ?? string.Empty;
if (templatePrefix.Contains("?")) {
// TODO: Consider supporting this. The {*clientRoute} part should be added immediately before the '?'
throw new ArgumentException("SPA fallback route templates don't support querystrings");
}
if (templatePrefix.Contains("#")) {
throw new ArgumentException("SPA fallback route templates should not include # characters. The hash part of a URI does not get sent to the server.");
}
if (templatePrefix != string.Empty && !templatePrefix.EndsWith("/")) {
templatePrefix += "/";
}
return templatePrefix + $"{{*{ ClientRouteTokenName }}}";
}
private static IDictionary<string, object> ObjectToDictionary(object value)
{
return value as IDictionary<string, object> ?? new RouteValueDictionary(value);
}
private class SpaRouteConstraint : IRouteConstraint
{
public bool Match(HttpContext httpContext, IRouter route, string routeKey, IDictionary<string, object> values, RouteDirection routeDirection)
{
var clientRouteValue = (values[ClientRouteTokenName] as string) ?? string.Empty;
return !HasDotInLastSegment(clientRouteValue);
}
private bool HasDotInLastSegment(string uri)
{
var lastSegmentStartPos = uri.LastIndexOf('/');
return uri.IndexOf('.', lastSegmentStartPos + 1) >= 0;
}
}
}
}