|
public GetKeyValues ( |
||
| entityInfo | ||
| 리턴 | object[] | |
/// <summary>
/// Validates a single entity.
/// Skips validation (returns true) if entity is marked Deleted.
/// </summary>
/// <param name="entityInfo">contains the entity to validate</param>
/// <param name="entityErrors">An EntityError is added to this list for each error found in the entity</param>
/// <returns>true if entity is valid, false if invalid.</returns>
public bool ValidateEntity(EntityInfo entityInfo, List <EntityError> entityErrors)
{
if (entityInfo.EntityState == EntityState.Deleted)
{
return(true);
}
// Perform validation on the entity, based on DataAnnotations.
var entity = entityInfo.Entity;
var validationResults = new List <ValidationResult>();
if (!Validator.TryValidateObject(entity, new ValidationContext(entity, null, null), validationResults, true))
{
var keyValues = _contextProvider.GetKeyValues(entityInfo);
var entityTypeName = entity.GetType().FullName;
foreach (var vr in validationResults)
{
entityErrors.Add(new EntityError()
{
EntityTypeName = entityTypeName,
ErrorMessage = vr.ErrorMessage,
ErrorName = "ValidationError",
KeyValues = keyValues,
PropertyName = vr.MemberNames.FirstOrDefault()
});
}
return(false);
}
return(true);
}
public SaveResult ToSaveResult()
{
WasUsed = true; // try to prevent reuse in subsequent SaveChanges
if (EntityErrors != null)
{
return(new SaveResult()
{
Errors = EntityErrors.Cast <Object>().ToList()
});
}
else
{
var entities = SaveMap.SelectMany(kvp => kvp.Value.Where(ei => (ei.EntityState != EntityState.Detached))
.Select(entityInfo => entityInfo.Entity)).ToList();
var deletes = SaveMap.SelectMany(kvp => kvp.Value.Where(ei => (ei.EntityState == EntityState.Deleted || ei.EntityState == EntityState.Detached))
.Select(entityInfo => new EntityKey(entityInfo.Entity, ContextProvider.GetKeyValues(entityInfo)))).ToList();
return(new SaveResult()
{
Entities = entities, KeyMappings = KeyMappings, DeletedKeys = deletes
});
}
}