/// <summary>
/// Purge object state cache and detach all objects added/updated/deleted from the system in current context.SaveChanges() call
/// </summary>
/// <param name="apiContext"></param>
/// <param name="entity"></param>
protected static void DetachObject(Helpers.ApiContext apiContext, Entities.EntityObject entity)
{
Model.OrmsContext context = (Model.OrmsContext)apiContext.CurrentContext;
try
{
context.Detach(entity);
}
catch (System.InvalidOperationException) { } // NOTE : we do intentionally suppressing this exception
}
/// <summary>
/// SetDeleted for SoftDelete
/// </summary>
/// <param name="apiContext"></param>
/// <param name="entity"></param>
protected static void SetDeleted(Helpers.ApiContext apiContext, Entities.EntityObject entity)
{
Model.OrmsContext context = (Model.OrmsContext)apiContext.CurrentContext;
// SET IsDeleted = true
entity.GetType().GetProperty("IsDeleted").SetValue(entity, true, null);
// SET IsDeleted modified
System.Data.Objects.ObjectStateEntry ose = context.ObjectStateManager.GetObjectStateEntry(entity);
ose.SetModifiedProperty("IsDeleted");
}
/// <summary>
/// Set System Properties (CreadBy, CreatedOn, ModifiedBy, ModifiedOn, and CustomerId)
/// </summary>
/// <param name="apiContext"></param>
/// <param name="entity"></param>
/// <param name="ignoreCreated"></param>
protected static void SetSystemProperties(Helpers.ApiContext apiContext, Entities.EntityObject entity, bool ignoreCreated)
{
// SET system level properties
/* if (!ignoreCreated) {
* entity.GetType().GetProperty("CreatedBy").SetValue(entity, apiContext.User.Id, null);
* entity.GetType().GetProperty("CreatedOn").SetValue(entity, System.DateTime.UtcNow, null);
* }
*
*
* entity.GetType().GetProperty("ModifiedBy").SetValue(entity, apiContext.User.Id, null);
* entity.GetType().GetProperty("ModifiedOn").SetValue(entity, System.DateTime.UtcNow, null);
* entity.GetType().GetProperty("CustomerId").SetValue(entity, apiContext.Customer.Id, null);
* */
}
protected static int SoftDeleteObjectMappings(Helpers.ApiContext apiContext, Entities.EntityObject entity)
{
Model.OrmsContext context = (Model.OrmsContext)apiContext.CurrentContext;
System.Guid id = (System.Guid)entity.GetType().GetProperty("Id").GetValue(entity, null);
System.Guid modifiedBy = (System.Guid)entity.GetType().GetProperty("ModifiedBy").GetValue(entity, null);
System.DateTime modifiedOn = (System.DateTime)entity.GetType().GetProperty("ModifiedOn").GetValue(entity, null);
string sqlQuery = string.Format(@"UPDATE [ObjectMappings]
SET
[IsDeleted] = 1,
[ModifiedBy] = '{0}',
[ModifiedOn] = '{1}'
WHERE
[ParentId] = @p0", modifiedBy, modifiedOn);
int recordCount = apiContext.CurrentContext.ExecuteStoreCommand(sqlQuery, id);
return(recordCount);
}
private static void Translate <TEntity>(System.Data.Common.DbDataReader reader, out Collections.List <TEntity> entities) where TEntity : class
{
// Initilize list
entities = new Collections.List <TEntity>();
System.Type type = typeof(TEntity);
System.Reflection.MethodInfo methodInfo = type.GetMethod("Factory", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public);
while (reader.Read())
{
// Create Object
TEntity entity = (TEntity)methodInfo.Invoke(null, new object[0]);
foreach (System.Reflection.PropertyInfo property in type.GetProperties())
{
if (IsComplexType(property)) // Complex Type
{
Entities.EntityObject complexEntity = null;
if (TryGetValue(property, reader, out complexEntity))
{
property.SetValue(entity, complexEntity, null);
}
}
else if (IsPrimitiveType(property)) // Primitive Type
{
object value = null;
if (TryGetValue(property.Name, reader, out value))
{
property.SetValue(entity, value, null);
}
}
}
entities.Add(entity);
}
}
/// <summary>
/// SetModified for Update
/// </summary>
/// <param name="apiContext"></param>
/// <param name="entity"></param>
protected static void SetModified(Helpers.ApiContext apiContext, Entities.EntityObject entity)
{
Model.OrmsContext context = (Model.OrmsContext)apiContext.CurrentContext;
System.Data.Objects.ObjectStateEntry ose = context.ObjectStateManager.GetObjectStateEntry(entity);
System.Data.Metadata.Edm.ItemCollection colleciton = null;
if (context.MetadataWorkspace.TryGetItemCollection(System.Data.Metadata.Edm.DataSpace.CSpace, out colleciton))
{
System.String typeFullName = entity.GetType().ToString();
Edm.EntityType entiyType =
colleciton.GetItems <Edm.EntityType>()
.Where(e => e.FullName.Equals(typeFullName, System.StringComparison.InvariantCultureIgnoreCase))
.First();
// SET all properties modified except those who are in ignore list
foreach (Edm.EdmProperty property in entiyType.Properties)
{
if (!IsInIgnoreList(property.Name))
{
ose.SetModifiedProperty(property.Name);
}
}
}
}
protected static void SoftDelete(Helpers.ApiContext apiContext, System.String entitySet, Entities.EntityObject entity)
{
SoftDelete(apiContext, entitySet, new System.Collections.Generic.List <Entities.EntityObject> {
entity
});
}
/// <summary>
/// ApplyOriginalValues for Concurrency check in Update and Delete
/// </summary>
/// <param name="apiContext"></param>
/// <param name="entity"></param>
protected static void ApplyOriginalValues(Helpers.ApiContext apiContext, Entities.EntityObject entity)
{
Model.OrmsContext context = (Model.OrmsContext)apiContext.CurrentContext;
System.Data.Objects.ObjectStateEntry ose = context.ObjectStateManager.GetObjectStateEntry(entity);
ose.ApplyOriginalValues(entity);
}
private static bool TryGetValue(System.Reflection.PropertyInfo propertyInfo, System.Data.Common.DbDataReader reader, out Entities.EntityObject complexEntity)
{
complexEntity = null;
System.String prefix = propertyInfo.Name + "_";
System.Type type = propertyInfo.PropertyType;
System.Reflection.MethodInfo methodInfo = propertyInfo.PropertyType.GetMethod("Factory", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public);
foreach (System.Reflection.PropertyInfo property in type.GetProperties())
{
if (IsPrimitiveType(property))
{
object value = null;
if (TryGetValue(prefix + property.Name, reader, out value))
{
if (complexEntity == null)
{
complexEntity = (Entities.EntityObject)methodInfo.Invoke(null, new object[0]);
}
property.SetValue(complexEntity, value, null);
}
}
}
return(complexEntity != null);
}
/// <summary>
/// Set CustomerId, ModifiedBy and ModifiedOn properties modified for update/delete
/// </summary>
/// <param name="apiContext"></param>
/// <param name="entity"></param>
protected static void SetSystemPropertiesModified(Helpers.ApiContext apiContext, Entities.EntityObject entity)
{
Model.OrmsContext context = (Model.OrmsContext)apiContext.CurrentContext;
System.Data.Objects.ObjectStateEntry ose = context.ObjectStateManager.GetObjectStateEntry(entity);
ose.SetModifiedProperty("ModifiedBy");
ose.SetModifiedProperty("ModifiedOn");
ose.SetModifiedProperty("CustomerId");
}
/// <summary>
/// Set System Properties (CreadBy, CreatedOn, ModifiedBy, ModifiedOn, and CustomerId)
/// </summary>
/// <param name="apiContext"></param>
/// <param name="entity"></param>
protected static void SetSystemProperties(Helpers.ApiContext apiContext, Entities.EntityObject entity)
{
SetSystemProperties(apiContext, entity, true);
}
/// <summary>
/// Attach Object
/// </summary>
/// <param name="apiContext"></param>
/// <param name="entitySet"></param>
/// <param name="entity"></param>
protected static void AttachObject(Helpers.ApiContext apiContext, System.String entitySet, Entities.EntityObject entity)
{
Model.OrmsContext context = (Model.OrmsContext)apiContext.CurrentContext;
// ATTACH to context
context.AttachTo(entitySet, entity);
// APPLY original values
ApplyOriginalValues(apiContext, entity);
}
