Create sort by name function.txt

i'm using .net 6 web api and i need to create sort endpoint that accept as input param 'ascend' or 'descend string, please provide me with some code how to implement it

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Certainly, sorting is a common operation when working with Web APIs. You can create an endpoint in .NET 6 Web API that accepts a string parameter to sort data in either ascending or descending order.

Here's a simple example using .NET 6 Web API. I'll use a model called Item for demonstration purposes:

Firstly, define the model class:

csharp
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public class Item
{
    public int Id { get; set; }
    public string Name { get; set; }
    public double Value { get; set; }
}
Now, create a controller with an endpoint for sorting:

csharp
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using Microsoft.AspNetCore.Mvc;
using System.Collections.Generic;
using System.Linq;

[ApiController]
[Route("api/[controller]")]
public class ItemsController : ControllerBase
{
    private static readonly List<Item> Items = new List<Item>
    {
        new Item { Id = 1, Name = "Apple", Value = 2.5 },
        new Item { Id = 2, Name = "Banana", Value = 1.5 },
        new Item { Id = 3, Name = "Cherry", Value = 3.0 }
    };

    [HttpGet]
    public IActionResult GetItems([FromQuery] string sort)
    {
        var sortedItems = sort?.ToLower() switch
        {
            "ascend" => Items.OrderBy(item => item.Name).ToList(),
            "descend" => Items.OrderByDescending(item => item.Name).ToList(),
            _ => Items // If sort parameter is not provided or invalid, return items as is.
        };

        return Ok(sortedItems);
    }
}
Here's how it works:

If the sort query parameter is "ascend", the list of items is sorted in ascending order by the Name property.
If the sort query parameter is "descend", the list of items is sorted in descending order by the Name property.
If the sort query parameter is not provided or has an invalid value, the list of items is returned as is.
To test the endpoint, you can use the following URLs:

To get items sorted in ascending order: http://localhost:5000/api/items?sort=ascend
To get items sorted in descending order: http://localhost:5000/api/items?sort=descend
To get items without sorting: http://localhost:5000/api/items
Feel free to adapt the code to your specific use-case or data model.