/// <summary>
/// Method to cancel the rate by id
/// </summary>
/// <returns>
/// Returns bad request in case of token not given as header or if the instance was not rated by the user with given token
/// Returns the modified entity in case the rate was cancelled successfully
/// </returns>
public IHttpActionResult DeleteUserRating(int newsInstanceId)
{
IEnumerable <string> values;
if (!Request.Headers.TryGetValues("Token", out values))
{
return(BadRequest("Token was not given. Use a token that was used to rate this instance"));
}
string token = values.FirstOrDefault();
var userRating = RatingManager.CheckRateLogged(db, token, newsInstanceId);
if (userRating == null)
{
return(BadRequest("User with given token has not rated the news with given id"));
}
return(Ok((NewsInstanceViewModel)RatingManager.CancelRate(db, userRating)));
}