/// <summary>
/// Converts an <see cref="Activity"/> to the most specific subclass of <see cref="Exercise"/> and fills in the
/// relevant details.
/// </summary>
/// <param name="activity">An instance of <see cref="Activity"/> containing the data returned by an API
/// endpoint.</param>
/// <returns>A subclass of <see cref="Exercise"/> containing the data converted from <paramref name="activity"/>.
/// </returns>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="activity"/> is <c>null</c>.</exception>
/// <exception cref="NotImplementedException">Thrown if <paramref name="activity"/> is an activity type that is
/// not supported by the app at this time.</exception>
public static Exercise ConvertActivityToExercise(Activity activity)
{
if (activity == null)
{
throw new ArgumentNullException("activity");
}
if (activity.GetType() == typeof(ActivityEssay))
{
ActivityEssay resultEssay = (ActivityEssay)activity;
EssayExercise essay = new EssayExercise()
{
Title = resultEssay.Title,
Description = resultEssay.Description,
MinimumWords = resultEssay.MinimumWords,
MaximumWords = resultEssay.MaximumWords,
Contents = resultEssay.PreliminaryText,
Featured = resultEssay.Featured,
Uid = resultEssay.Id,
Language = resultEssay.Language,
Level = resultEssay.Level
};
foreach (string tag in resultEssay.Tags)
{
essay.Tags.Add(tag);
}
return(essay);
}
// TODO: support dictionary searches
throw new NotImplementedException("The returned exercise type is not supported yet");
}
/// <summary>
/// Converts an <see cref="Activity"/> to the most specific subclass of <see cref="Exercise"/> and fills in the
/// relevant details.
/// </summary>
/// <param name="activity">An instance of <see cref="Activity"/> containing the data returned by an API
/// endpoint.</param>
/// <returns>A subclass of <see cref="Exercise"/> containing the data converted from <paramref name="activity"/>.
/// </returns>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="activity"/> is <c>null</c>.</exception>
/// <exception cref="NotImplementedException">Thrown if <paramref name="activity"/> is an activity type that is
/// not supported by the app at this time.</exception>
public static Exercise ConvertActivityToExercise(Activity activity)
{
if (activity == null)
{
throw new ArgumentNullException("activity");
}
if (activity.GetType() == typeof(ActivityEssay))
{
ActivityEssay resultEssay = (ActivityEssay)activity;
EssayExercise essay = new EssayExercise()
{
Title = resultEssay.Title,
Description = resultEssay.Description,
MinimumWords = resultEssay.MinimumWords,
MaximumWords = resultEssay.MaximumWords,
PreliminaryText = resultEssay.PreliminaryText,
Contents = (resultEssay.UserActivity != null) ? ((UserActivityEssay)resultEssay.UserActivity).Text : string.Empty,
Featured = resultEssay.Featured,
Uid = resultEssay.Id,
Language = resultEssay.Language,
Level = resultEssay.Level
};
foreach (string tag in resultEssay.Tags)
{
essay.Tags.Add(tag);
}
UserActivity uActivity = resultEssay.UserActivity;
if (uActivity != null)
{
UserActivityEssay uActivityEss = uActivity as UserActivityEssay;
if (uActivityEss != null)
{
if (!string.IsNullOrEmpty(uActivityEss.Text))
{
essay.Contents = uActivityEss.Text;
}
}
}
return(essay);
}
if (activity.GetType() == typeof(ActivityDictionarySearch))
{
ActivityDictionarySearch resultDictSearch = (ActivityDictionarySearch)activity;
DictionarySearchExercise dictionarySearch = new DictionarySearchExercise()
{
Featured = resultDictSearch.Featured,
Uid = resultDictSearch.Id,
Language = resultDictSearch.Language,
Level = resultDictSearch.Level
};
UserActivity uActivity = resultDictSearch.UserActivity;
if (uActivity != null)
{
UserActivityDictionarySearch uActivityDs = uActivity as UserActivityDictionarySearch;
if (uActivityDs != null)
{
if (!string.IsNullOrEmpty(uActivityDs.Word))
{
dictionarySearch.Word = uActivityDs.Word;
}
}
}
return(dictionarySearch);
}
throw new NotImplementedException("The returned exercise type is not supported yet");
}
