public ChangelogRowViewModel(Changelog row, MembersContainer container)
{
_row = row;
_container = container;
_dateTime = DateTime.Parse(String.Format("{0} {1}", _row.date, _row.time));
_cachedDescription = new Lazy<string>(() => GetItemDescription(row));
}
private static string GetDescriptionFor(Changelog item, Member member, Contact contact)
{
switch (item.action)
{
case DBConstants.NewContact:
return String.Format("Lisätty uusi yhteystieto jäsenelle {0} {1} ({2})",
member.firstname, member.lastname, member.MemberDetais.membergroup);
case DBConstants.DeleteContact:
return String.Format("Yhteystieto poistettu jäseneltä {0} {1}",
member.firstname, member.lastname);
case DBConstants.EditContact:
return String.Format("Yhteystiedolta {0} {1} ({2} {3}) muutettu {4}",
contact.firstname, contact.lastname,
member.firstname, member.lastname,
item.oldvalue);
case DBConstants.NewMember:
return String.Format("Lisätty uusi jäsen {0} {1} ({2})",
member.firstname, member.lastname, member.MemberDetais.membergroup);
case DBConstants.EditMember:
return String.Format("Muokattu jäsentä {0} {1} ({2}) tietoa {3}",
member.firstname, member.lastname, member.MemberDetais.membergroup, item.oldvalue);
case DBConstants.NewNonMember:
return String.Format("Jäsen eronnut {0} {1} ({2}) syy: {3}",
member.firstname, member.lastname, item.oldvalue, member.MemberDetais.membergroup);
default:
Debug.Assert(false, "Should not be reached");
return "<Empty>";
}
}
private Member GetMember(Changelog item)
{
IEnumerable<Member> rows = _container.MemberSet.AsEnumerable().
Where(m => m.Id == long.Parse(item.memberid));
if (rows.Count() == 0)
return null;
return rows.First();
}
private string GetItemDescription(Changelog item)
{
Member member = GetMember(item);
Contact contact = GetContact(item);
if (member == null && contact == null)
return String.Format("Käyttäjä <{0}> puuttuu {1}", item.memberid, item.action);
return GetDescriptionFor(item, member, contact);
}
/// <summary>
/// Get the contact that is related to the change item.
/// </summary>
private Contact GetContact(Changelog item)
{
if (!item.action.Equals(DBConstants.EditContact))
return null;
var log = _container.ContactSet.AsEnumerable();
IEnumerable<Contact> rows = log.Where(c => c.Member.Id == long.Parse(item.memberid) &&
c.Id == long.Parse(item.newvalue));
return rows.FirstOrDefault();
}
/// <summary>
/// Create a new Changelog object.
/// </summary>
/// <param name="id">Initial value of the Id property.</param>
/// <param name="action">Initial value of the action property.</param>
/// <param name="newvalue">Initial value of the newvalue property.</param>
/// <param name="oldvalue">Initial value of the oldvalue property.</param>
/// <param name="memberid">Initial value of the memberid property.</param>
/// <param name="time">Initial value of the time property.</param>
/// <param name="date">Initial value of the date property.</param>
public static Changelog CreateChangelog(global::System.Int64 id, global::System.String action, global::System.String newvalue, global::System.String oldvalue, global::System.String memberid, global::System.String time, global::System.String date)
{
Changelog changelog = new Changelog();
changelog.Id = id;
changelog.action = action;
changelog.newvalue = newvalue;
changelog.oldvalue = oldvalue;
changelog.memberid = memberid;
changelog.time = time;
changelog.date = date;
return changelog;
}
/// <summary>
/// Deprecated Method for adding a new object to the ChangelogSet EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToChangelogSet(Changelog changelog)
{
base.AddObject("ChangelogSet", changelog);
}