Adapted Price Endpoints

PyroFetes/Endpoints/Prices/PatchPriceEndpoint.cs

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+using FastEndpoints;
+using Microsoft.EntityFrameworkCore;
+using PyroFetes.DTO.Price.Request;
+using PyroFetes.DTO.Price.Response;
+
+namespace PyroFetes.Endpoints.Price;
+
+public class PatchPriceEndpoint(PyroFetesDbContext database) : Endpoint<PatchPriceSellingPriceDto, GetPriceDto>
+{
+    public override void Configure()
+    {
+        Patch("/api/prices/{@ProductId}/{@SupplierId}/SellingPrice", x => new { x.ProductId, x.SupplierId });
+        AllowAnonymous();
+    }
+
+    public override async Task HandleAsync(PatchPriceSellingPriceDto req, CancellationToken ct)
+    {
+        var price = await database.Prices.SingleOrDefaultAsync(p => p.ProductId == req.ProductId && p.SupplierId == req.SupplierId, ct);
+        if (price == null)
+        {
+            await Send.NotFoundAsync(ct);
+            return;
+        }
+        
+        price.SellingPrice = req.SellingPrice;
+        await database.SaveChangesAsync(ct);
+
+        GetPriceDto responseDto = new()
+        {
+            ProductId = price.ProductId,
+            SupplierId = price.SupplierId,
+            SellingPrice = price.SellingPrice
+        };
+        await Send.OkAsync(responseDto, ct);
+    }
+}