//Constructor
public MemberRegistry(View.Console a_view)
{
m_isInStartup = true;
m_view = a_view;
//try to load member list from storage
m_memberListDAL = new Model.MemberListDAL();
m_memberList = m_memberListDAL.LoadMemberList();
if (m_memberList == null)
{
m_memberList = new Model.MemberList();
}
//subscribe to the MemberList
m_memberList.AddSubscriber(this);
//try to load user list from storage
m_userListDAL = new Model.UserListDAL();
m_userList = m_userListDAL.LoadUserList();
if (m_userList == null)
{
m_userList = new Model.UserList();
}
//subscribe to the UserList
m_userList.AddSubscriber(this);
m_addingEditingMember = null;
m_loggedInUser = null;
m_memberFiltering = null;
m_isInStartup = false;
}
//Methods
public bool UseSystem()
{
//first display main menu
m_view.DisplayMainMenu(GetLoggedInUser());
bool quit = false;
while (!quit) {
//get input
View.InputAction input = m_view.GetInput();
//do action depending on input
if (input.Action == View.ActionEnum.Quit)
{
quit = true;
}
else if (input.Action == View.ActionEnum.GoToMainMenu)
{
m_view.DisplayMainMenu(GetLoggedInUser());
}
else if (input.Action == View.ActionEnum.Login)
{
m_loggedInUser = new Model.User();
m_view.DisplayLoginUserAttribute(View.LoginUserAttribute.Name);
}
else if (input.Action == View.ActionEnum.MemberListCompact)
{
m_view.DisplayMemberList(m_isLoggedIn, m_memberList, View.DisplayMembersMode.Compact);
}
else if (input.Action == View.ActionEnum.MemberListVerbose)
{
m_view.DisplayMemberList(m_isLoggedIn, m_memberList, View.DisplayMembersMode.Verbose);
}
else if (input.Action == View.ActionEnum.MemberSelection)
{
m_addingEditingMember = null; //make sure no member is already stored
m_view.DisplaySelectMemberMenu(m_memberList);
}
else if (input.Action == View.ActionEnum.MemberSearch)
{
m_memberFiltering = null;
m_view.DisplaySearchMemberMenu();
}
else if (input.Action == View.ActionEnum.MemberSearchByName ||
input.Action == View.ActionEnum.MemberSearchByBoatType)
{
m_searchMode = input.Action;
m_view.DisplaySearchEnterInput();
}
else if (input.Action == View.ActionEnum.MemberSearched)
{
Model.MemberFilter filter = null;
if (m_searchMode == View.ActionEnum.MemberSearchByName)
{
filter = new Model.MemberFilter(Model.MemberFilter.MemberFilterField.Name, Model.MemberFilter.MemberFilterOperator.Contains, input.Characters);
}
else if (m_searchMode == View.ActionEnum.MemberSearchByBoatType)
{
filter = new Model.MemberFilter(Model.MemberFilter.MemberFilterField.BoatOfType, Model.MemberFilter.MemberFilterOperator.Contains, input.Characters);
}
List<Model.MemberFilter> filters = new List<Model.MemberFilter>();
if (filter != null)
{
filters.Add(filter);
}
Model.MemberFilters memberFilters = new Model.MemberFilters(filters);
m_memberFiltering = new Model.MemberFiltering(memberFilters);
List<Model.Member> searchResults = m_memberFiltering.FilterMembers(m_memberList.GetMembers());
//display results
m_view.DisplaySearchResults(searchResults);
}
else if (input.Action == View.ActionEnum.MemberSelected ||
input.Action == View.ActionEnum.MemberSelected_ShowMenuAgain)
{
bool allOkay = true;
if (input.Action == View.ActionEnum.MemberSelected)
{
//try to retrieve the selected member by number and store it
allOkay = this.SelectMemberFromInputNumber(input.Characters);
}
if (allOkay)
{
m_view.DisplayChangeMemberMenu(m_isLoggedIn, m_addingEditingMember);
}
else
{
//error selecting member, show member selection again (with error message)
m_view.DisplaySelectMemberMenu(m_memberList, true);
}
}
else if (input.Action == View.ActionEnum.MemberBoatSelectionEdit ||
input.Action == View.ActionEnum.MemberBoatSelectionDelete)
{
bool editNotDelete = (input.Action == View.ActionEnum.MemberBoatSelectionEdit);
m_addingEditingBoat = null; //make sure no boat is already stored
m_view.DisplaySelectMemberBoatMenu(m_addingEditingMember, editNotDelete);
}
else if (input.Action == View.ActionEnum.MemberBoatSelectedEdit ||
input.Action == View.ActionEnum.MemberBoatSelectedDelete)
{
bool editNotDelete = (input.Action == View.ActionEnum.MemberBoatSelectedEdit);
//try to retrieve the selected member by number and store it
bool selectResult = this.SelectBoatFromInputNumber(input.Characters);
if (selectResult == true)
{
if (editNotDelete)
{
m_view.DisplayEditBoatAttribute(View.AddEditBoatAttribute.Type, m_addingEditingMember, m_addingEditingBoat);
}
else
{
m_view.DisplayConfirmBoatDelete();
}
}
else
{
//error selecting boat, show boat selection again (with error message)
m_view.DisplaySelectMemberBoatMenu(m_addingEditingMember, editNotDelete, true);
}
}
else if (input.Action == View.ActionEnum.MemberPresentation ||
input.Action == View.ActionEnum.MemberDelete ||
input.Action == View.ActionEnum.MemberConfirmDelete ||
input.Action == View.ActionEnum.MemberEdit ||
input.Action == View.ActionEnum.MemberEditedName ||
input.Action == View.ActionEnum.MemberEditedPersonalNumber ||
input.Action == View.ActionEnum.MemberAdd ||
input.Action == View.ActionEnum.MemberAddingName ||
input.Action == View.ActionEnum.MemberAddingPersonalNumber ||
input.Action == View.ActionEnum.MemberBoatAdd ||
input.Action == View.ActionEnum.MemberBoatAddingType ||
input.Action == View.ActionEnum.MemberBoatAddingLength ||
input.Action == View.ActionEnum.MemberBoatEditedType ||
input.Action == View.ActionEnum.MemberBoatEditedLength ||
input.Action == View.ActionEnum.MemberBoatConfirmDelete ||
input.Action == View.ActionEnum.LoginSpecifyingName ||
input.Action == View.ActionEnum.LoginSpecifyingPassword)
{
bool addingMember = (input.Action == View.ActionEnum.MemberAdd ||
input.Action == View.ActionEnum.MemberAddingName ||
input.Action == View.ActionEnum.MemberAddingPersonalNumber);
bool editingMember = (input.Action == View.ActionEnum.MemberEdit ||
input.Action == View.ActionEnum.MemberEditedName ||
input.Action == View.ActionEnum.MemberEditedPersonalNumber);
bool addingBoat = (input.Action == View.ActionEnum.MemberBoatAdd ||
input.Action == View.ActionEnum.MemberBoatAddingType ||
input.Action == View.ActionEnum.MemberBoatAddingLength);
bool editingBoat = (input.Action == View.ActionEnum.MemberBoatEditedType ||
input.Action == View.ActionEnum.MemberBoatEditedLength);
bool deletingBoat = (input.Action == View.ActionEnum.MemberBoatConfirmDelete);
bool loggingIn = (input.Action == View.ActionEnum.LoginSpecifyingName ||
input.Action == View.ActionEnum.LoginSpecifyingPassword);
if (!loggingIn && !addingMember && m_addingEditingMember == null)
{
//a selected member is needed, show member selection again (with error message)
m_view.DisplaySelectMemberMenu(m_memberList, true);
}
else if ((editingBoat || deletingBoat) && m_addingEditingBoat == null)
{
//a selected boat is needed, show boat selection again (with error message)
m_view.DisplaySelectMemberBoatMenu(m_addingEditingMember, true, true);
}
else
{
if (input.Action == View.ActionEnum.MemberPresentation)
{
m_view.DisplayDetailedMemberPresentation(m_isLoggedIn, m_addingEditingMember);
}
else if (input.Action == View.ActionEnum.MemberDelete)
{
m_view.DisplayConfirmMemberDelete(m_addingEditingMember.Name);
}
else if (input.Action == View.ActionEnum.MemberConfirmDelete)
{
//try to remove the member from list
if (m_memberList.DeleteMember(m_addingEditingMember.UniqueId))
{
m_view.ShowSuccessMessage("Member deleted successfully.");
}
else
{
m_view.ShowErrorMessage("Could not delete the member.");
}
m_addingEditingMember = null;
m_view.DisplayEnterAnyKeyToContinue();
}
else if (input.Action == View.ActionEnum.MemberEdit)
{
m_view.DisplayEditMemberAttribute(View.AddEditMemberAttribute.Name, m_addingEditingMember);
}
else if (input.Action == View.ActionEnum.MemberAdd)
{
//create the new member to store details into
m_addingEditingMember = new Model.Member();
m_view.DisplayAddMemberAttribute(View.AddEditMemberAttribute.Name);
}
else if (input.Action == View.ActionEnum.MemberBoatAdd)
{
//create the new boat to store details into
m_addingEditingBoat = new Model.Boat();
m_view.DisplayAddBoatAttribute(View.AddEditBoatAttribute.Type, m_addingEditingMember);
}
else if (input.Action == View.ActionEnum.MemberBoatConfirmDelete)
{
//try to remove the boat from list
if (m_addingEditingMember.DeleteBoat(m_addingEditingBoat))
{
m_view.ShowSuccessMessage("Boat deleted successfully.");
}
else
{
m_view.ShowErrorMessage("Could not delete the boat.");
}
m_addingEditingMember = null;
m_addingEditingBoat = null;
m_view.DisplayEnterAnyKeyToContinue();
}
else //Input of some kind (adding/editing member/boat)
{
//try to set the attribute in stored member/boat
bool success = false;
string errorMessage = null;
try
{
if ((addingMember || addingBoat || loggingIn) && input.Characters == "")
{
throw new Exception("Can't leave this field empty.");
}
if (input.Characters != "") //if nothing is supplied, user didn't want to change anything
{
//Member
if (input.Action == View.ActionEnum.MemberEditedName ||
input.Action == View.ActionEnum.MemberAddingName)
{
m_addingEditingMember.Name = input.Characters;
}
else if (input.Action == View.ActionEnum.MemberEditedPersonalNumber ||
input.Action == View.ActionEnum.MemberAddingPersonalNumber)
{
if (m_memberList.IsPersonalNumberUnique(input.Characters, m_addingEditingMember))
{
m_addingEditingMember.PersonalNumber = input.Characters;
}
else
{
//error
errorMessage = "Personal number already exists in another member.";
}
}
//Boat
else if (input.Action == View.ActionEnum.MemberBoatAddingType ||
input.Action == View.ActionEnum.MemberBoatEditedType)
{
m_addingEditingBoat.Type = (Model.Boat.BoatType)int.Parse(input.Characters);
}
else if (input.Action == View.ActionEnum.MemberBoatAddingLength ||
input.Action == View.ActionEnum.MemberBoatEditedLength)
{
m_addingEditingBoat.Length = double.Parse(input.Characters);
}
//Login
else if (input.Action == View.ActionEnum.LoginSpecifyingName)
{
m_loggedInUser.Name = input.Characters;
}
else if (input.Action == View.ActionEnum.LoginSpecifyingPassword)
{
m_loggedInUser.Password = input.Characters;
}
}
if (errorMessage == null)
{
success = true;
}
}
catch (Exception e)
{
errorMessage = e.Message;
}
if (success)
{
//Member
if (input.Action == View.ActionEnum.MemberEditedName)
{
//go on to edit personal number
m_view.DisplayEditMemberAttribute(View.AddEditMemberAttribute.Personal_Number, m_addingEditingMember);
}
else if (input.Action == View.ActionEnum.MemberEditedPersonalNumber)
{
//successfully edited member, show message
m_view.ShowSuccessMessage("Member successfully edited.", true);
//display change member menu
m_view.DisplayChangeMemberMenu(m_isLoggedIn, m_addingEditingMember, false);
}
else if (input.Action == View.ActionEnum.MemberAddingName)
{
//go on to add personal number
m_view.DisplayAddMemberAttribute(View.AddEditMemberAttribute.Personal_Number);
}
else if (input.Action == View.ActionEnum.MemberAddingPersonalNumber)
{
//all attributes added, now try to save the member to list
if (this.MemberList.AddMember(m_addingEditingMember, true))
{
//successfully added to the member list, show message
m_view.ShowSuccessMessage("Member successfully added.", true);
//display members list
m_view.DisplaySelectMemberMenu(m_memberList, false, false);
}
else
{
//could not add the member for some reason.. show error message (should never happen)
m_view.ShowErrorMessage("Error: could not add the member to the list...");
}
}
//Boat
else if (input.Action == View.ActionEnum.MemberBoatEditedType)
{
//go on to edit length
m_view.DisplayEditBoatAttribute(View.AddEditBoatAttribute.Length, m_addingEditingMember, m_addingEditingBoat);
}
else if (input.Action == View.ActionEnum.MemberBoatEditedLength)
{
//successfully edited boat, show message
m_view.ShowSuccessMessage("Boat successfully edited.", true);
//display change member menu
m_view.DisplayChangeMemberMenu(m_isLoggedIn, m_addingEditingMember, false);
}
else if (input.Action == View.ActionEnum.MemberBoatAddingType)
{
//go on to add length
m_view.DisplayAddBoatAttribute(View.AddEditBoatAttribute.Length, m_addingEditingMember);
}
else if (input.Action == View.ActionEnum.MemberBoatAddingLength)
{
//all attributes added, now try to save the member to list
if (m_addingEditingMember.AddBoat(m_addingEditingBoat))
{
//successfully added to the member list, show message
m_view.ShowSuccessMessage("Boat successfully added.", true);
//display change member menu
m_view.DisplayChangeMemberMenu(m_isLoggedIn, m_addingEditingMember, false);
}
else
{
//could not add the member for some reason.. show error message (should never happen)
m_view.ShowErrorMessage("Error: could not add the boat...");
}
}
//Login
else if (input.Action == View.ActionEnum.LoginSpecifyingName)
{
m_view.DisplayLoginUserAttribute(View.LoginUserAttribute.Password);
}
else if (input.Action == View.ActionEnum.LoginSpecifyingPassword)
{
//try to login
if (m_loggedInUser.HasCorrectDetails &&
m_userList.CheckUserCredentials(m_loggedInUser))
{
//show main menu and that login succeeded
m_isLoggedIn = true;
m_view.DisplayMainMenu(GetLoggedInUser(), true);
}
else
{
//show login again with error
m_loggedInUser = new Model.User();
m_view.DisplayLoginUserAttribute(View.LoginUserAttribute.Name, true);
}
}
}
else
{
//show error message
m_view.ShowErrorMessage(errorMessage, true);
//let the loop continue so the user can try again
}
}
}
}
else
{
//should never occur (if all actions are implemented above)
throw new Exception("The action " + input.Action.ToString() + " has not been implemented yet..");
}
}
return false;
}