private IEnumerator LoadItemsRoutine(ItemsLoaderRequest loaderRequest, Action <ItemsLoaderResponse> callback)
{
using (var request = UnityWebRequest.Get(loaderRequest.Url))
{
yield return(request.SendWebRequest());
bool isError = request.isHttpError || request.isNetworkError;
if (isError)
{
callback(new ItemsLoaderResponse(isError, request.error));
yield break;
}
string json = Encoding.UTF8.GetString(request.downloadHandler.data);
Item[] items;
try
{
items = JsonConvert.DeserializeObject <Item[]>(json)
.Take(loaderRequest.RequestedItemsCount)
.ToArray();
}
catch (JsonException)
{
callback(new ItemsLoaderResponse(true, "JSON data has wrong format"));
yield break;
}
var icons = new Dictionary <string, Texture2D>();
var iconLoadingErrors = new Dictionary <string, string>();
foreach (var item in items)
{
yield return(LoadIconRoutine(
item.IconUrl,
texture =>
{
icons.Add(item.Id, texture);
},
errorMessage =>
{
iconLoadingErrors.Add(item.Id, errorMessage);
}
));
}
callback(new ItemsLoaderResponse(isError, items, icons, iconLoadingErrors));
}
}
public Coroutine LoadItemsAsync(ItemsLoaderRequest loaderRequest, Action <ItemsLoaderResponse> callback)
{
return(StartCoroutine(LoadItemsRoutine(loaderRequest, callback)));
}