/// <summary>
/// Get a list of chats.
/// </summary>
/// <param name="userId">
/// The id of the user that requests the list of chats.
/// </param>
/// <returns>
/// A list of chats for the specific user id.
/// </returns>
/// <remarks>
/// List consists of ChatModel objects with Application.Id as Id, HelpRequest.Title as Title and Application.Status as Status.
/// Different user roles get different lists.
/// </remarks>
public List <ChatModel> List(UserModel user)
{
switch (user.Role)
{
case UserRole.Admin:
return(context.List());
case UserRole.AidWorker:
return(context.ListAsAidWorkerUser(user.Id));
case UserRole.HelpSeeker:
return(context.ListAsHelpSeeker(user.Id));
case UserRole.Volunteer:
return(context.ListAsVolunteer(user.Id));
default:
return(null);
}
}