static IDisposable OperationLogic_SurroundOperation(IOperation operation, OperationLogEntity log, Entity?entity, object?[]?args)
{
if (entity != null && ShouldLog.Invoke(entity, operation))
{
if (operation.OperationType == OperationType.Execute && !entity.IsNew && ((IEntityOperation)operation).CanBeModified)
{
entity = RetrieveFresh(entity);
}
using (CultureInfoUtils.ChangeBothCultures(Schema.Current.ForceCultureInfo))
{
log.Mixin <DiffLogMixin>().InitialState = entity.Dump();
}
}
return(new Disposable(() =>
{
var target = log.GetTemporalTarget();
if (target != null && ShouldLog.Invoke(target, operation) && operation.OperationType != OperationType.Delete)
{
using (CultureInfoUtils.ChangeBothCultures(Schema.Current.ForceCultureInfo))
{
log.Mixin <DiffLogMixin>().FinalState = target.Dump();
}
}
}));
}
public static MinMax <OperationLogEntity?> OperationLogNextPrev(OperationLogEntity log)
{
var logs = Database.Query <OperationLogEntity>().Where(a => a.Exception == null && a.Target == log.Target);
return(new MinMax <OperationLogEntity?>(
log.Mixin <DiffLogMixin>().InitialState == null ? null : logs.Where(a => a.End < log.Start).OrderByDescending(a => a.End).FirstOrDefault(),
log.Mixin <DiffLogMixin>().FinalState == null ? null : logs.Where(a => a.Start > log.End).OrderBy(a => a.Start).FirstOrDefault()));
}
void OperationLog_DataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
{
tabs.Items.Clear();
OperationLogEntity log = (OperationLogEntity)e.NewValue;
if (log == null)
{
return;
}
var mixin = log.Mixin <DiffLogMixin>();
var minMax = Server.Return((IDiffLogServer s) => s.OperationLogNextPrev(log));
TabItem selected = null;
TabItem bestSelected = null;
if (mixin.InitialState != null)
{
var prev = minMax.Min;
if (prev != null && prev.Mixin <DiffLogMixin>().FinalState != null)
{
tabs.Items.Add(new LinkTabItem
{
Header = TextWithLinkIcon(DiffLogMessage.PreviousLog.NiceToString())
.Do(a => a.ToolTip = DiffLogMessage.NavigatesToThePreviousOperationLog.NiceToString()),
DataContext = prev,
});
tabs.Items.Add(new TabItem
{
Header = IconPair("fast-back.png", "back.png", prev.Mixin <DiffLogMixin>().FinalState == mixin.InitialState)
.Do(a => a.ToolTip = DiffLogMessage.DifferenceBetweenFinalStateOfPreviousLogAndTheInitialState.NiceToString()),
Content = Diff(prev.Mixin <DiffLogMixin>().FinalState, mixin.InitialState),
});
}
tabs.Items.Add(selected = new TabItem
{
Header = new TextBlock {
Text = ReflectionTools.GetPropertyInfo(() => mixin.InitialState).NiceName()
}
.Do(a => a.ToolTip = DiffLogMessage.StateWhenTheOperationStarted.NiceToString()),
Content = new TextBlock(new Run(mixin.InitialState))
{
FontFamily = font
},
});
}
if (mixin.InitialState != null && mixin.FinalState != null)
{
tabs.Items.Add(bestSelected = new TabItem
{
Header = IconPair("back.png", "fore.png", mixin.InitialState == mixin.FinalState)
.Do(a => a.ToolTip = DiffLogMessage.DifferenceBetweenInitialStateAndFinalState.NiceToString()),
Content = Diff(mixin.InitialState, mixin.FinalState),
});
}
if (mixin.FinalState != null)
{
tabs.Items.Add(selected = new TabItem
{
Header = new TextBlock {
Text = ReflectionTools.GetPropertyInfo(() => mixin.FinalState).NiceName()
}
.Do(a => a.ToolTip = DiffLogMessage.StateWhenTheOperationFinished.NiceToString()),
Content = new TextBlock(new Run(mixin.FinalState))
{
FontFamily = font
},
});
var next = minMax.Max;
if (next != null && next.Mixin <DiffLogMixin>().InitialState != null)
{
tabs.Items.Add(new TabItem
{
Header = IconPair("fore.png", "fast-fore.png", mixin.FinalState == next.Mixin <DiffLogMixin>().InitialState)
.Do(a => a.ToolTip = DiffLogMessage.DifferenceBetweenFinalStateAndTheInitialStateOfNextLog.NiceToString()),
Content = Diff(mixin.FinalState, next.Mixin <DiffLogMixin>().InitialState),
});
tabs.Items.Add(new LinkTabItem
{
Header = TextWithLinkIcon(DiffLogMessage.NextLog.NiceToString())
.Do(a => a.ToolTip = DiffLogMessage.NavigatesToTheNextOperationLog.NiceToString()),
DataContext = next,
});
}
else
{
var entity = Server.Exists(log.Target) ? log.Target.RetrieveAndForget() : null;
if (entity != null)
{
var dump = entity.Dump();
tabs.Items.Add(new TabItem
{
Header = IconPair("fore.png", "fast-fore.png", mixin.FinalState == dump)
.Do(a => a.ToolTip = DiffLogMessage.DifferenceBetweenFinalStateAndTheInitialStateOfNextLog.NiceToString()),
Content = Diff(mixin.FinalState, dump),
});
tabs.Items.Add(new LinkTabItem
{
Header = TextWithLinkIcon(DiffLogMessage.CurrentEntity.NiceToString())
.Do(a => a.ToolTip = DiffLogMessage.NavigatesToTheCurrentEntity.NiceToString()),
DataContext = entity,
});
}
}
}
tabs.SelectedItem = bestSelected ?? selected;
}