Precompiled Azure Functions Revisited

GetProductHttpTrigger.cs

using System;
using System.Configuration;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Threading.Tasks;

using Microsoft.Azure.WebJobs.Host;

using PrecompiledSample.EntityModels;
using PrecompiledSample.Services;

namespace PrecompiledSample.Functions
{
  public static class GetProductHttpTrigger
  {
    public static async Task<HttpResponseMessage> Run(HttpRequestMessage req, TraceWriter log)
    {
      log.Info("C# HTTP trigger function processed a request.");

      var productId = req.GetQueryNameValuePairs()
                         .FirstOrDefault(q => q.Key.Equals("id", StringComparison.CurrentCultureIgnoreCase))
                         .Value;

      var connectionString = ConfigurationManager.ConnectionStrings["PrecompiledDbContext"].ConnectionString;
      var dbContext = new PrecompiledDbContext(connectionString);

      var service = new ProductService(dbContext);

      var product = await service.GetAsync(productId).ConfigureAwait(false);

      return req.CreateResponse(HttpStatusCode.OK, product);
    }
  }
}