/// <summary>
/// Uses the current category selection and creates a dictionary of recipients accordingly
/// </summary>
/// <param name="recipientsType">The category of recipients to use</param>
/// <returns>An ObservableDictionary with all the relevent recipients (organized as <RecipientID, RecipientName>)</returns>
private ObservableDictionary <int, string> CreateRecipientsList(EventRecipientsTypes recipientsType)
{
// Create a recipients dictioanry
ObservableDictionary <int, string> recipients = new ObservableDictionary <int, string>();
// Create the list of students
switch (recipientsType)
{
case EventRecipientsTypes.Students:
// Add every active student in the school
_schoolData.Persons.Where(person => !person.User.isDisabled && person.isStudent).ToList()
.ForEach(person => recipients.Add(person.personID, person.firstName + " " + person.lastName));
break;
case EventRecipientsTypes.Classes:
// Add every class in the school
_schoolData.Classes.ToList().ForEach(schoolClass => recipients.Add(schoolClass.classID, schoolClass.className));
break;
case EventRecipientsTypes.Everyone:
recipients.Add(EVERYONE_OPTION, "כל בית הספר");
break;
default:
throw new ArgumentException("Invalid recipient type!");
}
return(recipients);
}
/// <summary>
/// Updates the AvailableSearchChoices list with the options per the search category
/// </summary>
private void UseSelectedSearchCategory(EventRecipientsTypes searchCategory)
{
AvailableSearchChoices = CreateRecipientsList(searchCategory);
// Use the first choice in the AvailableSearchChoices dictioanry as the default choice
if (AvailableSearchChoices.Count > 0)
{
SelectedSearchChoice = AvailableSearchChoices.First().Key;
}
}
/// <summary>
/// Update the recipients list following a selection of recipients category
/// </summary>
/// <param name="recipientsType">The category of recipients to use</param>
private void UpdateRecipientsList(EventRecipientsTypes recipientsType)
{
// Create the list of recipients for the current category selection
Recipients = CreateRecipientsList(recipientsType);
// Select first available recipient in the list (if it has any)
SelectedRecipient = (Recipients.Count() > 0) ? Recipients.First().Key : NOT_ASSIGNED;
// For some reason, after re-initializing the recipients list, the selection is not updated properly unless called again
OnPropertyChanged("SelectedRecipient");
}