96 lines
2.8 KiB
C#
96 lines
2.8 KiB
C#
using Raven.Client.Documents;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using zero.Core.Database.Indexes;
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using zero.Core.Entities;
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using zero.Core.Extensions;
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namespace zero.Core.Routing
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{
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public class PageRouteProvider : ZeroRouteProvider<Page>
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{
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public static string PAGE_TYPE_PARAM = "pageType";
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public static string PAGE_ID_PARAM = "pageId";
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protected IPageUrlBuilder UrlBuilder { get; set; }
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public PageRouteProvider(IPageUrlBuilder urlBuilder) : base(Constants.Pages.PageRouteProviderAlias)
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{
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UrlBuilder = urlBuilder;
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}
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/// <inheritdoc />
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public override Task<bool> IsRouteStale(RoutingContext context, Page previous, Page current)
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{
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bool compareUrlPart = !UrlBuilder.GetUrlPart(previous).Equals(UrlBuilder.GetUrlPart(current));
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return Task.FromResult(compareUrlPart || !previous.ParentId.Equals(current.ParentId));
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}
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/// <inheritdoc />
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public override async Task<Route> Create(RoutingContext context, Page model)
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{
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if (model is PageFolder)
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{
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return null;
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}
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IEnumerable<Page> parents = await GetParents(context, model);
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Route route = new();
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route.Id = Id(model);
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route.ReferenceId = model.Id;
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route.Url = UrlBuilder.GetUrl(model, parents);
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route.DependsOn(model.Id);
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route.DependsOn(parents.Select(x => x.Id).ToArray());
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route.Param(PAGE_TYPE_PARAM, model.PageTypeAlias);
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route.Param(PAGE_ID_PARAM, model.Id);
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return route;
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}
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/// <inheritdoc />
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public override async Task<IRouteModel> Model(RoutingContext context, Route route)
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{
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Page page = await context.Session.LoadAsync<Page>(route.ReferenceId);
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PageRoute resolved = new(route);
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resolved.Page = page;
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resolved.Parents = await GetParents(context, page);
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resolved.PageType = route.Param<string>(PAGE_TYPE_PARAM);
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return resolved;
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}
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/// <inheritdoc />
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public override async IAsyncEnumerable<Route> Seed(RoutingContext context)
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{
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var stream = await context.Session.Advanced.StreamAsync(context.Session.Query<Page>());
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while (await stream.MoveNextAsync())
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{
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yield return await Create(context, stream.Current.Document);
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}
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}
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/// <summary>
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/// Get parents for a page
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/// </summary>
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protected virtual async Task<IList<Page>> GetParents(RoutingContext context, Page model)
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{
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Pages_ByHierarchy.Result result = await context.Session.Query<Pages_ByHierarchy.Result, Pages_ByHierarchy>()
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.ProjectInto<Pages_ByHierarchy.Result>()
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.Include<Pages_ByHierarchy.Result, Page>(x => x.Path.Select(p => p.Id))
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.FirstOrDefaultAsync(x => x.Id == model.Id);
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return (await context.Session.LoadAsync<Page>(result.Path.Select(x => x.Id))).Select(x => x.Value).ToList();
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}
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}
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}
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