Add consumption logic and endpoints

src/WebApi/Consumptions/GetConsumption.cs

@@ -0,0 +1,32 @@
+using Vegasco.WebApi.Persistence;
+
+namespace Vegasco.WebApi.Consumptions;
+
+public static class GetConsumption
+{
+	public record Response(Guid Id, DateTimeOffset DateTime, double Distance, double Amount, bool IgnoreInCalculation, Guid CarId);
+
+	public static RouteHandlerBuilder MapEndpoint(IEndpointRouteBuilder builder)
+	{
+		return builder
+			.MapGet("consumptions/{id:guid}", Endpoint)
+			.WithTags("Consumptions");
+	}
+
+	private static async Task<IResult> Endpoint(
+		ApplicationDbContext dbContext,
+		Guid id,
+		CancellationToken cancellationToken)
+	{
+		Consumption? consumption = await dbContext.Consumptions.FindAsync([new ConsumptionId(id)], cancellationToken);
+
+		if (consumption is null)
+		{
+			return TypedResults.NotFound();
+		}
+
+		var response = new Response(consumption.Id.Value, consumption.DateTime, consumption.Distance,
+			consumption.Amount, consumption.IgnoreInCalculation, consumption.CarId.Value);
+		return TypedResults.Ok(response);
+	}
+}