/// <summary>
/// Removes system properties from the passed in item
/// </summary>
/// <param name="item">
/// The item returned from the server
/// </param>
/// <param name="parameters">
/// A dictionary of user-defined parameters and values to include in
/// the request URI query string.
/// </param>
/// <param name="version">
/// Set to the value of the version system property before it is removed.
/// </param>
/// <returns>
/// An item that only contains normal fields and the requested system properties
/// </returns>
private JToken RemoveUnrequestedSystemProperties(JToken item, IDictionary <string, string> parameters, string version)
{
object id = null;
if (item == null)
{
return(null);
}
MobileServiceSerializer.TryGetId(item as JObject, true, out id);
if (id == null || MobileServiceSerializer.IsIntegerId(id))
{
return(item);
}
var actualSystemProperties = GetRequestedSystemProperties(parameters);
if (actualSystemProperties == MobileServiceSystemProperties.All)
{
return(item);
}
string ignoredVersion = null;
var cleanedItem = MobileServiceSerializer.RemoveSystemProperties(item as JObject, out ignoredVersion, actualSystemProperties);
if (version != null)
{
cleanedItem[MobileServiceSerializer.VersionSystemPropertyString] = GetValueFromEtag(version);
}
return(cleanedItem);
}
/// <summary>
/// if id is of type string then it strips the system properties and adds version header.
/// </summary>
/// <returns>The header collection with if-match header.</returns>
private Dictionary <string, string> StripSystemPropertiesAndAddVersionHeader(ref JObject instance, ref IDictionary <string, string> parameters, object id)
{
string version = null;
instance = MobileServiceSerializer.RemoveSystemProperties(instance, out version);
Dictionary <string, string> headers = AddIfMatchHeader(version);
return(headers);
}
/// <summary>
/// Inserts a new instance into the table.
/// </summary>
/// <param name="instance">
/// The instance to insert.
/// </param>
/// <param name="parameters">
/// A dictionary of user-defined parameters and values to include in
/// the request URI query string.
/// </param>
/// <returns>
/// A task that will complete when the insertion has finished.
/// </returns>
public async Task InsertAsync(T instance, IDictionary <string, string> parameters)
{
Arguments.IsNotNull(instance, nameof(instance));
MobileServiceSerializer serializer = this.MobileServiceClient.Serializer;
JObject value = serializer.Serialize(instance) as JObject;
value = MobileServiceSerializer.RemoveSystemProperties(value, out string unused);
JToken insertedValue = await TransformHttpException(serializer, () => InsertAsync(value, parameters, MobileServiceFeatures.TypedTable));
serializer.Deserialize(insertedValue, instance);
}
/// <summary>
/// Inserts a new instance into the table.
/// </summary>
/// <param name="instance">
/// The instance to insert.
/// </param>
/// <param name="parameters">
/// A dictionary of user-defined parameters and values to include in
/// the request URI query string.
/// </param>
/// <returns>
/// A task that will complete when the insertion has finished.
/// </returns>
public async Task InsertAsync(T instance, IDictionary <string, string> parameters)
{
if (instance == null)
{
throw new ArgumentNullException("instance");
}
MobileServiceSerializer serializer = this.MobileServiceClient.Serializer;
JObject value = serializer.Serialize(instance) as JObject;
string unused;
value = MobileServiceSerializer.RemoveSystemProperties(value, out unused);
JToken insertedValue = await TransformHttpException(serializer, () => this.InsertAsync(value, parameters, MobileServiceFeatures.TypedTable));
serializer.Deserialize <T>(insertedValue, instance);
}
