// Gather the messages that are relevent to the connected user.
public void Initialize(Person connectedPerson)
{
ConnectedPerson = connectedPerson;
// Reset data first
Messages = new List <DisplayedMessage>();
var schoolMessages = new SchoolEntities().Messages;
// Start by gathering the messages that are for everyone in the school or directly to the connected user.
schoolMessages.Where(message => message.forEveryone).ToList()
.ForEach(message => Messages.Add(ModelMessageToDisplayedMessage(message, MessageRecipientsTypes.Everyone)));
schoolMessages.Where(message => message.recipientID == ConnectedPerson.personID).ToList()
.ForEach(message => Messages.Add(ModelMessageToDisplayedMessage(message, MessageRecipientsTypes.Person)));
// Gather messages depending on the user permissions
if (ConnectedPerson.isStudent)
{
// User is a student => Gather messages for their class, and messages for all students
schoolMessages.Where(message => message.recipientClassID == ConnectedPerson.Student.classID)
.ToList().ForEach(message => Messages.Add(ModelMessageToDisplayedMessage(message, MessageRecipientsTypes.Class)));
schoolMessages.Where(message => message.forAllStudents).ToList()
.ForEach(message => Messages.Add(ModelMessageToDisplayedMessage(message, MessageRecipientsTypes.Students)));
}
if (ConnectedPerson.isParent)
{
// Gather messages for the classes of the user's children (but not direct messages to them - keeping those private)
schoolMessages.AsEnumerable().Where(message => ConnectedPerson.ChildrenStudents.Any(childStudent =>
childStudent.classID == message.recipientClassID))
.ToList().ForEach(message => Messages.Add(ModelMessageToDisplayedMessage(message, MessageRecipientsTypes.Class)));
}
if (ConnectedPerson.isTeacher)
{
// Gather messages for all teachers
schoolMessages.Where(message => message.forAllTeachers).ToList()
.ForEach(message => Messages.Add(ModelMessageToDisplayedMessage(message, MessageRecipientsTypes.Teachers)));
if (ConnectedPerson.Teacher.classID != null)
{
// User is an homeroom teacher - gather messages for his class
schoolMessages.Where(message => ConnectedPerson.Teacher.classID == message.recipientClassID).ToList()
.ForEach(message => Messages.Add(ModelMessageToDisplayedMessage(message, MessageRecipientsTypes.Class)));
}
}
if (ConnectedPerson.isSecretary || ConnectedPerson.isPrincipal)
{
// Gather messages for management
schoolMessages.Where(message => message.forAllManagement).ToList()
.ForEach(message => Messages.Add(ModelMessageToDisplayedMessage(message, MessageRecipientsTypes.Management)));
}
// Order messages by date (latest first)
Messages = Messages.OrderByDescending(message => message.MessageDateTime).ToList();
}