38 lines
1.2 KiB
C#
38 lines
1.2 KiB
C#
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using System.Linq.Expressions;
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using Microsoft.AspNetCore.Mvc;
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using Refit;
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using WatchIt.Database.Model.Media;
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namespace WatchIt.DTO.Query;
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public class OrderQuery
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{
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#region PROPERTIES
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[FromQuery(Name = "order_asc")]
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[AliasAs("order_asc")]
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public bool OrderAscending { get; set; }
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[FromQuery(Name = "order_by")]
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[AliasAs("order_by")]
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public string? OrderBy { get; set; }
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#endregion
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}
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public static class OrderQueryExtensions
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{
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public static IQueryable<T> ApplyOrder<T>(this IQueryable<T> data, OrderQuery orderQuery, params IDictionary<string, Expression<Func<T, object?>>>[] orderKeys)
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{
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if (orderQuery.OrderBy is not null)
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{
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Dictionary<string, Expression<Func<T, object?>>> orderByKeys = orderKeys.SelectMany(x => x)
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.ToDictionary(x => x.Key, x => x.Value);
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if (orderByKeys.TryGetValue(orderQuery.OrderBy, out Expression<Func<T, object?>>? orderFunc))
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{
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data = orderQuery.OrderAscending ? data.OrderBy(orderFunc) : data.OrderByDescending(orderFunc);
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}
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}
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return data;
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}
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}
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