/// <summary>
/// Fill the shadow properties during update considering the tracker
/// </summary>
private void UpdateShadowProperties(T entity)
{
DbContext.WriteDebug("Update Shadow Properties");
var entry = DbContext.Entry(entity);
var propertyNames = entry.Metadata
.GetProperties()
.Select(p => p.Name);
var props = propertyNames.Select(p => entry.Property(p))
.Where(e => e.IsModified);
var entityType = typeof(T);
foreach (var prop in props)
{
if (prop.Metadata
.IsShadowProperty())
{
continue;
}
var searchInfo = EntityTypeBuilderExtensions.GetShadowField(entityType, prop);
var value = prop.CurrentValue;
if (searchInfo != null && value != null)
{
DbContext.Entry(entity)
.Property(searchInfo.ColumnName)
.CurrentValue =
value.ToString()
.ToSearchable(searchInfo.SearchableType);
}
}
}
public void Update(T entity)
{
DbContext.Entry(entity)
.State = EntityState.Modified;
if (EntityTypeBuilderExtensions.HasShadowField(typeof(T)))
{
UpdateShadowProperties(entity);
}
}
public void Add(T entity)
{
if (entity == null)
{
throw new ArgumentNullException(nameof(entity));
}
// fill shadow property
if (EntityTypeBuilderExtensions.HasShadowField(typeof(T)))
{
InsertShadowProperties(entity);
}
_dbSet.Add(entity);
}
public void Add(IEnumerable <T> entities)
{
var enumerable = entities.ToList();
if (entities == null || !enumerable.Any())
{
throw new ArgumentNullException(nameof(entities));
}
// fill shadow property
if (EntityTypeBuilderExtensions.HasShadowField(typeof(T)))
{
foreach (var entity in enumerable)
{
InsertShadowProperties(entity);
}
}
_dbSet.AddRange(enumerable);
}
/// <summary>
/// Fill the shadow properties during insert
/// </summary>
private void InsertShadowProperties(T entity)
{
DbContext.WriteDebug("Insert Shadow Properties");
var props = entity.GetType()
.GetProperties();
var entityType = typeof(T);
foreach (var prop in props)
{
var searchInfo = EntityTypeBuilderExtensions.GetShadowField(entityType, prop);
var value = prop.GetValue(entity);
if (searchInfo != null && value != null)
{
DbContext.WriteDebug($"Shadow Properties [{searchInfo.ColumnName}] = {value}");
DbContext.Entry(entity)
.Property(searchInfo.ColumnName)
.CurrentValue =
value.ToString()
.ToSearchable(searchInfo.SearchableType);
}
}
}
