131 lines
3.0 KiB
C#
131 lines
3.0 KiB
C#
using Raven.Client.Documents;
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using Raven.Client.Documents.Session;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using zero.Core.Api;
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using zero.Core.Database;
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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 PageUrlBuilder : IPageUrlBuilder
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{
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const char PATH_SEPARATOR = '/';
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const bool TRAILING_SLASH = false;
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protected IZeroStore Store { get; private set; }
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public PageUrlBuilder(IZeroStore store)
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{
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Store = store;
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}
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/// <inheritdoc />
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public async Task<string> GetUrl(IPage page)
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{
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using IAsyncDocumentSession session = Store.OpenAsyncSession();
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Pages_ByHierarchy.Result result = await session.Query<Pages_ByHierarchy.Result, Pages_ByHierarchy>()
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.ProjectInto<Pages_ByHierarchy.Result>()
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.Include<Pages_ByHierarchy.Result, IPage>(x => x.Path.Select(p => p.Id))
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.FirstOrDefaultAsync(x => x.Id == page.Id);
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IList<IPage> parents = (await session.LoadAsync<IPage>(result.Path.Select(x => x.Id))).Select(x => x.Value).ToList();
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StringBuilder stringBuilder = new StringBuilder();
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if (parents != null)
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{
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foreach (IPage parent in parents)
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{
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stringBuilder.Append(GetUrlPart(parent));
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stringBuilder.Append(PATH_SEPARATOR);
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}
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}
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stringBuilder.Append(GetUrlPart(page));
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stringBuilder.Append(PATH_SEPARATOR);
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if (!TRAILING_SLASH)
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{
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stringBuilder.Remove(stringBuilder.Length - 1, 1);
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}
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return stringBuilder.ToString();
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}
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/// <inheritdoc />
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public string GetUrl(IPage page, IEnumerable<IPage> parents)
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{
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StringBuilder stringBuilder = new StringBuilder();
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stringBuilder.Append(PATH_SEPARATOR);
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void AddPart(IPage page)
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{
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string part = GetUrlPart(page);
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if (!part.IsNullOrEmpty())
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{
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stringBuilder.Append(part);
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stringBuilder.Append(PATH_SEPARATOR);
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}
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}
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if (parents != null)
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{
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foreach (IPage parent in parents)
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{
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AddPart(parent);
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}
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}
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AddPart(page);
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if (!TRAILING_SLASH && stringBuilder.Length > 1)
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{
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stringBuilder.Remove(stringBuilder.Length - 1, 1);
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}
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return stringBuilder.ToString();
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}
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/// <summary>
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/// Get the part of the URL (by querying UrlAlias and Alias) for this page
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/// </summary>
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protected virtual string GetUrlPart(IPage page)
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{
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string alias;
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if (page is PageFolder && !((PageFolder)page).IsPartOfRoute)
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{
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return null;
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}
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if (!page.UrlAlias.IsNullOrWhiteSpace())
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{
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alias = page.UrlAlias;
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}
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else if (!page.Alias.IsNullOrWhiteSpace())
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{
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alias = page.Alias;
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}
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else
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{
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alias = Safenames.Alias(page.Name);
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}
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return alias.Trim().Trim(PATH_SEPARATOR);
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}
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}
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}
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