Initial DeepDrft Models Project

- Track Entity & DTO
 - Paging models

DeepDrftModels/DTOs/TrackDto.cs

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+namespace DeepDrftModels.DTOs;
+
+public class TrackDto
+{
+    public long Id { get; set; }
+    public string MediaPath { get; set; }
+    public string TrackName { get; set; }
+    public string Artist { get; set; }
+    public string? Album { get; set; }
+    public string? Genre { get; set; }
+    public DateOnly? ReleaseDate { get; set; }
+    public string? ImagePath { get; set; }
+}

DeepDrftModels/DeepDrftModels.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net9.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="C:\lib\NetBlocks\NetBlocks.csproj" />
+    </ItemGroup>
+
+</Project>

DeepDrftModels/Entities/TrackEntity.cs

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+namespace DeepDrftModels.Entities;
+
+public class TrackEntity
+{
+    public long Id { get; set; }
+    public string MediaPath { get; set; }
+    public string TrackName { get; set; }
+    public string Artist { get; set; }
+    public string? Album { get; set; }
+    public string? Genre { get; set; }
+    public DateOnly? ReleaseDate { get; set; }
+    public string? ImagePath { get; set; }
+}

DeepDrftModels/Models/PagedResult.cs

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+namespace DeepDrftModels.Models;
+
+public class PagedResult<T>
+{
+    public IEnumerable<T> Items { get; set; } = new List<T>();
+    public int TotalCount { get; set; }
+    public int Page { get; set; }
+    public int PageSize { get; set; }
+    public int TotalPages => (int)Math.Ceiling((double)TotalCount / PageSize);
+    public bool HasNextPage => Page < TotalPages;
+    public bool HasPreviousPage => Page > 1;
+
+    public PagedResult()
+    {
+    }
+
+    public static PagedResult<T> From<TOther>(PagedResult<TOther> other, IEnumerable<T> items)
+    {
+        return new PagedResult<T>()
+        {
+            Items = items.ToList(),
+            Page = other.Page,
+            PageSize = other.PageSize,
+            TotalCount = other.TotalCount,
+        };
+    }
+
+    public PagedResult(IEnumerable<T> items, int totalCount, int page, int pageSize)
+    {
+        Items = items.ToList() ?? new List<T>();
+        TotalCount = totalCount;
+        Page = page;
+        PageSize = pageSize;
+    }
+} 

DeepDrftModels/Models/PagingParameters.cs

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+using System.Linq.Expressions;
+
+namespace DeepDrftModels.Models;
+
+public class PagingParameters
+{
+    private const int _maxPageSize = 100;
+    private int _pageSize = 20;
+
+    public int Page { get; set; } = 1;
+    
+    public int PageSize
+    {
+        get => _pageSize;
+        set => _pageSize = value > _maxPageSize ? _maxPageSize : value;
+    }
+}
+
+public class PagingParameters<T> : PagingParameters
+{
+    public Expression<Func<T, object>>? OrderBy { get; set; }
+    public bool IsDescending { get; set; } = false;
+
+    public int Skip => (Page - 1) * PageSize;
+}