public static string GetCurrentValue(this PropertyEntry propertyEntry)
{
var entityType = propertyEntry.EntityEntry.Metadata.ClrType;
var propertyName = propertyEntry.Metadata.Name;
if (HistoryConfiguration.IsOverridden(entityType, propertyName, out object overrideValue))
{
return(overrideValue?.ToString().TruncateWithPostfix(EntityPropertyChange.MaxValueLength));
}
if (HistoryConfiguration.IsFormated(entityType, propertyName, out Func <object, object> formatedFunc))
{
return(formatedFunc.Invoke(propertyEntry.CurrentValue)?.ToString().TruncateWithPostfix(EntityPropertyChange.MaxValueLength));
}
return(propertyEntry.CurrentValue?.ToString().TruncateWithPostfix(EntityPropertyChange.MaxValueLength));
}
public void Start(Action<HistoryConfiguration> configurator)
{
_historyKeys = _assemblySource.SelectMany(assembly => FindKeys(assembly)).ToList();
_assemblySource.AssemblyAdded += assembly => FindKeys(assembly).Apply(x => _historyKeys.Add(x));
_config = new HistoryConfiguration
{
DeterminePresenter = value =>{
var key = _historyKeys.FirstOrDefault(x => x.Value == value);
return key != null
? key.GetInstance()
: null;
}
};
configurator(_config);
_config.Host.PropertyChanged += Host_PropertyChanged;
_stateManager.AfterStateLoad += OnAfterStateLoad;
_stateManager.Initialize(_config.StateName);
}
protected virtual bool ShouldSavePropertyHistory(PropertyEntry propertyEntry, bool defaultValue)
{
if (propertyEntry.Metadata.IsPrimaryKey())
{
return(false);
}
var entityType = propertyEntry.EntityEntry.Entity.GetType();
var propertyName = propertyEntry.Metadata.Name;
if (!HistoryConfiguration.IsIncluded(entityType, propertyName))
{
return(false);
}
;
if (propertyEntry.IsModified)
{
return(true);
}
return(defaultValue);
}
public virtual IConfigurator ForEntity <TEntity>(Action <IEntityConfiguration <TEntity> > config)
{
HistoryConfiguration.SetEntityConfig(config);
return(this);
}
public virtual IConfigurator AllInclude(Type entityType)
{
HistoryConfiguration.SetEntityConfig(entityType);
return(this);
}
public virtual IConfigurator AllInclude <TEntity>()
{
HistoryConfiguration.SetEntityConfig(typeof(TEntity));
return(this);
}
public HistoryWriter(HistoryConfiguration configuration, IHistoryReader historyReader, JsonSerializer serializer)
{
_configuration = configuration;
_historyReader = historyReader;
_serializer = serializer;
}
public HistoryReader(HistoryConfiguration configuration, JsonSerializer serializer)
{
_configuration = configuration;
_serializer = serializer;
}
