private void ExecIsSubscribed(KiiSubscribable target, KiiHttpClientFactory factory, KiiCheckSubscriptionCallback callback)
{
if (callback == null)
{
throw new ArgumentNullException("KiiCheckSubscriptionCallback must not be null");
}
if (target == null)
{
callback(target, false, new ArgumentNullException("KiiSubscribable must not be null"));
return;
}
Utils.CheckInitialize(true);
KiiHttpClient client = factory.Create(ToUrl(target), Kii.AppId, Kii.AppKey, KiiHttpMethod.GET);
KiiCloudEngine.SetAuthBearer(client);
client.SendRequest((ApiResponse response, Exception e) => {
if (e != null)
{
if (e is NotFoundException)
{
callback(target, false, null);
}
else
{
callback(target, false, e);
}
}
else
{
callback(target, response.IsSuccess(), e);
}
});
}
/// <summary>
/// Unsubscribe the specified target.
/// </summary>
/// <remarks>
/// </remarks>
/// <param name='target'>
/// Target to subscribe.
/// </param>
/// <exception cref='ArgumentNullException'>
/// Is thrown when an argument is null.
/// </exception>
/// <exception cref='CloudException'>
/// Is thrown when server sends error response.
/// </exception>
public void Unsubscribe(KiiSubscribable target)
{
this.ExecUnsubscribe(target, Kii.HttpClientFactory, (KiiSubscribable subscribable, Exception e) => {
if (e != null)
{
throw e;
}
});
}
/// <summary>
/// Checks whether the target is already subscribed by current user or not.
/// </summary>
/// <remarks></remarks>
/// <returns>true if the target is subscribed, otherwise false.</returns>
/// <param name="target">to be checked for subscription existence.</param>
/// <exception cref='ArgumentNullException'>
/// Is thrown when an argument is null.
/// </exception>
/// <exception cref='CloudException'>
/// Is thrown when server sends error response.
/// </exception>
public bool IsSubscribed(KiiSubscribable target)
{
bool ret = false;
this.ExecIsSubscribed(target, Kii.HttpClientFactory, (KiiSubscribable subscribable, bool isSubscribed, Exception e) => {
if (e != null)
{
throw e;
}
ret = isSubscribed;
});
return(ret);
}
private String ToUrl(KiiSubscribable target)
{
// TODO:We need refactoring.
// This logic should be implemented by each KiiSubscribable class.
if (target is KiiBucket)
{
return(Utils.Path(((KiiBucket)target).Url, "filters", "all", "push", "subscriptions", "users", this.mUser.ID));
}
else if (target is KiiTopic)
{
return(Utils.Path(((KiiTopic)target).Url, "push", "subscriptions", "users", this.mUser.ID));
}
else
{
throw new InvalidOperationException("subscribing " + target.GetType() + " is not supported");
}
}
private void ExecUnsubscribe(KiiSubscribable target, KiiHttpClientFactory factory, KiiSubscriptionCallback callback)
{
if (callback == null)
{
throw new ArgumentNullException("KiiSubscriptionCallback must not be null");
}
if (target == null)
{
callback(target, new ArgumentNullException("KiiSubscribable must not be null"));
return;
}
Utils.CheckInitialize(true);
KiiHttpClient client = factory.Create(ToUrl(target), Kii.AppId, Kii.AppKey, KiiHttpMethod.DELETE);
KiiCloudEngine.SetAuthBearer(client);
client.SendRequest((ApiResponse response, Exception e) => {
callback(target, e);
});
}
/// <summary>
/// Unsubscribe the specified target.
/// </summary>
/// <remarks>
/// </remarks>
/// <param name='target'>
/// Target to subscribe.
/// </param>
/// <param name='callback'>
/// Callback delegate. If exception is null, execution is succeeded.
/// </param>
/// <exception cref='ArgumentNullException'>
/// Is thrown when an argument is null.
/// </exception>
/// <exception cref='CloudException'>
/// Is thrown when server sends error response.
/// </exception>
public void Unsubscribe(KiiSubscribable target, KiiSubscriptionCallback callback)
{
this.ExecUnsubscribe(target, Kii.AsyncHttpClientFactory, callback);
}
/// <summary>
/// Checks whether the target is already subscribed by current user or not.
/// </summary>
/// <remarks></remarks>
/// <param name="target">to be checked for subscription existence.</param>
/// <param name="callback">
/// Callback delegate. If exception is null, execution is succeeded.
/// </param>
/// <exception cref='ArgumentNullException'>
/// Is thrown when an argument is null.
/// </exception>
/// <exception cref='CloudException'>
/// Is thrown when server sends error response.
/// </exception>
public void IsSubscribed(KiiSubscribable target, KiiCheckSubscriptionCallback callback)
{
this.ExecIsSubscribed(target, Kii.AsyncHttpClientFactory, callback);
}