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99 lines
2.9 KiB
C#
99 lines
2.9 KiB
C#
// Kyoo - A portable and vast media library solution.
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// Copyright (c) Kyoo.
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//
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// See AUTHORS.md and LICENSE file in the project root for full license information.
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//
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// Kyoo is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// any later version.
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//
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// Kyoo is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
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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 Kyoo.Utils;
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namespace Kyoo.Abstractions.Models
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{
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/// <summary>
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/// A page of resource that contains information about the pagination of resources.
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/// </summary>
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/// <typeparam name="T">The type of resource contained in this page.</typeparam>
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public class Page<T>
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where T : IResource
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{
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/// <summary>
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/// The link of the current page.
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/// </summary>
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public Uri This { get; }
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/// <summary>
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/// The link of the first page.
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/// </summary>
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public Uri First { get; }
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/// <summary>
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/// The link of the next page.
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/// </summary>
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public Uri Next { get; }
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/// <summary>
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/// The number of items in the current page.
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/// </summary>
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public int Count => Items.Count;
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/// <summary>
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/// The list of items in the page.
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/// </summary>
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public ICollection<T> Items { get; }
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/// <summary>
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/// Create a new <see cref="Page{T}"/>.
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/// </summary>
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/// <param name="items">The list of items in the page.</param>
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/// <param name="this">The link of the current page.</param>
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/// <param name="next">The link of the next page.</param>
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/// <param name="first">The link of the first page.</param>
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public Page(ICollection<T> items, Uri @this, Uri next, Uri first)
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{
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Items = items;
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This = @this;
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Next = next;
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First = first;
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}
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/// <summary>
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/// Create a new <see cref="Page{T}"/> and compute the urls.
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/// </summary>
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/// <param name="items">The list of items in the page.</param>
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/// <param name="url">The base url of the resources available from this page.</param>
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/// <param name="query">The list of query strings of the current page</param>
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/// <param name="limit">The number of items requested for the current page.</param>
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public Page(ICollection<T> items,
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Uri url,
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Dictionary<string, string> query,
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int limit)
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{
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Items = items;
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This = new Uri(url + query.ToQueryString());
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if (items.Count == limit && limit > 0)
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{
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query["afterID"] = items.Last().ID.ToString();
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Next = new Uri(url + query.ToQueryString());
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}
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query.Remove("afterID");
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First = new Uri(url + query.ToQueryString());
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}
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}
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}
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