diff options
Diffstat (limited to 'FireBase/Http/HttpClientExtensions.cs')
-rw-r--r-- | FireBase/Http/HttpClientExtensions.cs | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/FireBase/Http/HttpClientExtensions.cs b/FireBase/Http/HttpClientExtensions.cs new file mode 100644 index 0000000..444145b --- /dev/null +++ b/FireBase/Http/HttpClientExtensions.cs @@ -0,0 +1,90 @@ +namespace Firebase.Database.Http +{ + using System; + using System.Collections; + using System.Collections.Generic; + using System.Linq; + using System.Net.Http; + using System.Threading.Tasks; + + using Newtonsoft.Json; + using System.Net; + + /// <summary> + /// The http client extensions for object deserializations. + /// </summary> + internal static class HttpClientExtensions + { + /// <summary> + /// The get object collection async. + /// </summary> + /// <param name="client"> The client. </param> + /// <param name="requestUri"> The request uri. </param> + /// <param name="jsonSerializerSettings"> The specific JSON Serializer Settings. </param> + /// <typeparam name="T"> The type of entities the collection should contain. </typeparam> + /// <returns> The <see cref="Task"/>. </returns> + public static async Task<IReadOnlyCollection<FirebaseObject<T>>> GetObjectCollectionAsync<T>(this HttpClient client, string requestUri, + JsonSerializerSettings jsonSerializerSettings) + { + var responseData = string.Empty; + var statusCode = HttpStatusCode.OK; + + try + { + var response = await client.GetAsync(requestUri).ConfigureAwait(false); + statusCode = response.StatusCode; + responseData = await response.Content.ReadAsStringAsync().ConfigureAwait(false); + + response.EnsureSuccessStatusCode(); + + var dictionary = JsonConvert.DeserializeObject<Dictionary<string, T>>(responseData, jsonSerializerSettings); + + if (dictionary == null) + { + return new FirebaseObject<T>[0]; + } + + return dictionary.Select(item => new FirebaseObject<T>(item.Key, item.Value)).ToList(); + } + catch (Exception ex) + { + throw new FirebaseException(requestUri, string.Empty, responseData, statusCode, ex); + } + } + + /// <summary> + /// The get object collection async. + /// </summary> + /// <param name="data"> The json data. </param> + /// <param name="elementType"> The type of entities the collection should contain. </param> + /// <returns> The <see cref="Task"/>. </returns> + public static IEnumerable<FirebaseObject<object>> GetObjectCollection(this string data, Type elementType) + { + var dictionaryType = typeof(Dictionary<,>).MakeGenericType(typeof(string), elementType); + IDictionary dictionary = null; + + if (data.StartsWith("[")) + { + var listType = typeof(List<>).MakeGenericType(elementType); + var list = JsonConvert.DeserializeObject(data, listType) as IList; + dictionary = Activator.CreateInstance(dictionaryType) as IDictionary; + var index = 0; + foreach (var item in list) dictionary.Add(index++.ToString(), item); + } + else + { + dictionary = JsonConvert.DeserializeObject(data, dictionaryType) as IDictionary; + } + + if (dictionary == null) + { + yield break; + } + + foreach (DictionaryEntry item in dictionary) + { + yield return new FirebaseObject<object>((string)item.Key, item.Value); + } + } + } +} |