private void GetDBModelObject()
{
using (WebDbPoliticsModel context = new WebDbPoliticsModel())
{
DbSet set = context.Set(EntityType);
//var objectStateEntry = ((IObjectContextAdapter)this).ObjectContext.ObjectStateManager.GetObjectStateEntry(entry.Entity);
//return objectStateEntry.EntityKey.EntityKeyValues[0].Value;
_dbModelObject = set.Find(_modelObject.GetId());
}
}
private object WriteEntityToDb(AddEntityRequest message)
{
Newtonsoft.Json.Linq.JObject jsonObject = message.ModelObject as Newtonsoft.Json.Linq.JObject;
var entityAssembly = Assembly.GetAssembly(typeof(EntityFramework.WebDbPoliticsModel));
Type entityType = entityAssembly.GetTypes().FirstOrDefault(t => t.Name == message.EntityType);
object modelObject = jsonObject.ToObject(entityType);
var modelType = modelObject.GetType();
using (WebDbPoliticsModel db = new WebDbPoliticsModel())
{
db.Configuration.ProxyCreationEnabled = false;
DbSet set = db.Set(modelType);
var resultObject = set.Add(modelObject);
db.SaveChanges();
return resultObject;
}
}
private object LoadEntityFromDb()
{
using (WebDbPoliticsModel context = new WebDbPoliticsModel())
{
context.Configuration.ProxyCreationEnabled = false;
DbSet set = context.Set(EntityType);
return set.Find(Id);
}
}
private void SaveModelObject()
{
if (_dbModelObject == null)
GetDBModelObject();
using (WebDbPoliticsModel context = new WebDbPoliticsModel())
{
DbSet set = context.Set(EntityType);
//var existing = set.Find(Id);
var entry = context.Entry(_dbModelObject);
set.Attach(_dbModelObject);
entry.CurrentValues.SetValues(_modelObject);
//entry.State = EntityState.Modified;
var navigationProperties = (_modelObject as IModelObject).GetNavigationProperties();
foreach (var property in navigationProperties)
{
Type navigationType = property.PropertyType;
DbSet navSet = context.Set(navigationType.GenericTypeArguments.First());
var navigationItemCollection = property.GetValue(_modelObject) as IEnumerable;
foreach (var navigationItem in navigationItemCollection)
{
long id = navigationItem.GetId();
if (id > 0)
{
var existingNavigationItem = navSet.Find(id);
context.Entry(existingNavigationItem).CurrentValues.SetValues(navigationItem);
}
else
{
navSet.Add(navigationItem);
}
}
//navSet.Attach(navigationItem);
}
//context.UpdateGraph(_modelObject);
// Add extension method for getting navigation properties of a modelobject
// Then iterate them here and save any that are modified.
//set.Add(_modelObject);
//context.Entry(_modelObject).State = EntityState.Modified;
var validationErrors = context.GetValidationErrors();
//existing = _modelObject;
context.SaveChanges();
_dbModelObject = _modelObject;
}
}
public GenericDBQueryActor()
{
Receive<GetAllRequest>(message =>
{
using (WebDbPoliticsModel model = new WebDbPoliticsModel())
{
model.Configuration.ProxyCreationEnabled = false;
var entityAssembly = Assembly.GetAssembly(typeof(IModelObject)); // was WebDbPoliticsModel before removing dtos
var allEntityTypes = entityAssembly.GetTypes().ToList();
Type type = allEntityTypes.FirstOrDefault(t => t.Name == message.EntityType);
if (type == null)
{
Sender.Tell("ERROR");
return;
}
var method = typeof(WebDbPoliticsModel).GetMethod("Set", new Type[0]).MakeGenericMethod(type);
var set = method.Invoke(model, new object[0]);
DbSet<Position> dbSet = set as DbSet<Position>;
//DbSet<IModelObject> set = model.Set(type).Cast<IModelObject>();//.Include("PollIssues");
var relationshipCollectionProperties = type.GetProperties()
.Where(t =>
t.Name != "Relationships" &&
t.GetGetMethod().IsVirtual &&
t.PropertyType.IsGenericType &&
t.PropertyType.GetGenericTypeDefinition() == typeof(ICollection<>))
.ToList();
var query = dbSet.AsQueryable();
foreach (var relatedProperty in relationshipCollectionProperties)
{
query = query.Include(relatedProperty.Name);
}
///set.AsQueryable().
var relationshipSingleProperties = type.GetProperties()
.Where(t => t.GetGetMethod().IsVirtual &&
t.PropertyType.IsGenericType == false &&
t.DeclaringType != typeof(ModelObjectBase))
.ToList();
foreach(var relatedProperty in relationshipSingleProperties)
{
query = query.Include(relatedProperty.Name);
}
if (!String.IsNullOrWhiteSpace(message.Filter))
{
query = query.Where(t => t.DesignerId.Contains(message.Filter));
}
var result = query.AsNoTracking().ToListAsync().Result;//.ConvertAll<object>();
List<object> resultsAsObjectList = new List<object>();
foreach (var r in result)
result.Add(r);
Sender.Tell(new AkkaSearchResults(message.EntityType, resultsAsObjectList));
}
});
}
