/// <summary>
/// Finds pickup points based on country and Bring id.
/// </summary>
/// <param name="countryCode">Country code, ISO 2 letter, allowed values: NO, DK, SE, FI</param>
/// <param name="id">Identifier in Bring</param>
/// <returns>A list of matching <see cref="PickupPoint"/></returns>
public async Task <PickupResult> FindById(string countryCode, string id)
{
var query = new PickupQuery(countryCode);
var relativePath = string.Format("id/{0}.json", id);
return(await GetResponseAsync(relativePath, query));
}
private Uri CreateRequestUri(string relativePath, PickupQuery query)
{
var uri = new Uri(Settings.EndpointUri, string.Concat(query.CountryCode, "/", relativePath));
var queryItems = HttpUtility.ParseQueryString(string.Empty); // This creates empty HttpValueCollection which creates query string on ToString
queryItems.Add(query.Items);
var ub = new UriBuilder(uri)
{
Query = queryItems.ToString()
};
return(ub.Uri);
}
private async Task <PickupResult> GetResponseAsync(string relativePath, PickupQuery query)
{
string jsonResponse;
var requestUri = CreateRequestUri(relativePath, query);
var cacheKey = CreateCacheKey(requestUri);
var cached = HttpRuntime.Cache.Get(cacheKey) as PickupResult;
if (cached != null)
{
return(await Task.FromResult(cached));
}
using (var client = CreateClient())
{
try
{
jsonResponse = await client.GetStringAsync(requestUri).ConfigureAwait(false);
}
catch (HttpRequestException rEx)
{
// TODO: parse errors from here and create strongly typed error messages
// Could be object with Code, Description and HTML (full message received from Bring)
// Some errors are validation errors like - invalid postal code, invalid city etc., but some are exceptions.
// Wrap and return only validation errors, others throw further.
// Wrap configuration errors and throw them with details, but other errors throw as is.
return(PickupResult.CreateFailure(rEx.Message));
}
}
try
{
var response = JsonConvert.DeserializeObject <PickupResponse>(jsonResponse);
var result = PickupResult.CreateSuccess(response.PickupPoints);
HttpRuntime.Cache.Insert(cacheKey, result, null, DateTime.UtcNow.AddMinutes(1), Cache.NoSlidingExpiration);
return(result);
}
catch (JsonException jEx)
{
return(PickupResult.CreateFailure(jEx.Message));
}
}
/// <summary>
/// Lists all pickup points for a country.
/// </summary>
/// <param name="countryCode">Country code, ISO 2 letter, allowed values: NO, DK, SE, FI</param>
/// <returns>A list of all <see cref="PickupPoint"/></returns>
public async Task <PickupResult> All(string countryCode)
{
var query = new PickupQuery(countryCode);
return(await GetResponseAsync("all.json", query));
}
