public static void UpdateEntityViewWithChanges(IUpdateEntityViewWithChanges <TView> msg)
{
try
{
var exp = FindExpressionClass.FindExpression <TDbEntity, TDbView>();
using (var ctx = new TDbContext())
{
// ReSharper disable once ReplaceWithSingleCallToFirstOrDefault cuz EF7 bugging LEAVE JUST SO
TDbEntity res;//
if (msg.EntityId == 0)
{
res = new TDbEntity();
ctx.Set <TDbEntity>().Add(res);
}
else
{
res = ctx.Set <TDbEntity>().FirstOrDefault(x => x.Id == msg.EntityId);
}
res.ApplyChanges(msg.Changes);
ctx.SaveChanges(true);
//TODO: retrieve whole item
var ures = ctx.Set <TDbEntity>().Select(exp).FirstOrDefault(x => x.Id == res.Id);//
EventMessageBus.Current.Publish(new EntityViewWithChangesUpdated <TView>((TView)(object)ures, msg.Changes, new StateEventInfo(msg.Process.Id, EntityView.Events.EntityViewFound), msg.Process, Source), Source);
}
}
catch (Exception ex)
{
PublishProcesError(msg, ex, typeof(IEntityViewWithChangesUpdated <TView>));
}
}
public static void GetEntityViewWithChanges(IGetEntityViewWithChanges <TView> msg)
{
try
{
var exp = FindExpressionClass.FindExpression <TDbEntity, TDbView>();
using (var ctx = new TDbContext())
{
// ReSharper disable once ReplaceWithSingleCallToFirstOrDefault cuz EF7 bugging LEAVE JUST SO
var whereStr = msg.Changes.Aggregate("", (str, itm) => str + ($"{itm.Key} == \"{itm.Value}\" &&"));
whereStr = whereStr.TrimEnd('&');
if (string.IsNullOrEmpty(whereStr))
{
return;
}
var res = ctx.Set <TDbEntity>().AsNoTracking().Select(exp).Where(whereStr).FirstOrDefault();//
if (res != null)
{
EventMessageBus.Current.Publish(new EntityViewWithChangesFound <TView>((TView)(object)res, msg.Changes, new StateEventInfo(msg.Process.Id, EntityView.Events.EntityViewFound), msg.Process, Source), Source);
}
else
{
// not found
}
}
}
catch (Exception ex)
{
PublishProcesError(msg, ex, typeof(IEntityViewWithChangesFound <TView>));
}
}
public static void LoadEntityViewSetWithChanges(ILoadEntityViewSetWithChanges <TView, IMatchType> msg)
{
try
{
var exp = FindExpressionClass.FindExpression <TDbEntity, TDbView>();
using (var ctx = new TDbContext())
{
// ReSharper disable once ReplaceWithSingleCallToFirstOrDefault cuz EF7 bugging LEAVE JUST SO
var matchtype = msg.GetType().GenericTypeArguments[1];
var whereStr = msg.Changes.Aggregate("", IMatchTypeFunctions[matchtype]);
whereStr = whereStr.TrimEnd('&');
IQueryable <TDbView> res;
res = string.IsNullOrEmpty(whereStr)
? ctx.Set <TDbEntity>().OrderByDescending(x => x.Id).AsNoTracking().Select(exp)
: ctx.Set <TDbEntity>().OrderByDescending(x => x.Id).AsNoTracking().Select(exp).Where(whereStr);
EventMessageBus.Current.Publish(new EntityViewSetWithChangesLoaded <TView>(res.Select(x => (TView)(object)x).ToList(), msg.Changes, new StateEventInfo(msg.Process.Id, EntityView.Events.EntityViewFound), msg.Process, Source), Source);
}
}
catch (Exception ex)
{
PublishProcesError(msg, ex, typeof(IEntityViewLoaded <TView>));
}
}
public static void GetEntityViewById(IGetEntityViewById <TView> msg)
{
try
{
var exp = FindExpressionClass.FindExpression <TDbEntity, TDbView>();
using (var ctx = new TDbContext())
{
// ReSharper disable once ReplaceWithSingleCallToFirstOrDefault cuz EF7 bugging LEAVE JUST SO
var res = ctx.Set <TDbEntity>().AsNoTracking().Select(exp).FirstOrDefault(x => x.Id == msg.EntityId);//
EventMessageBus.Current.Publish(new EntityFound <TView>((TView)(object)res, new StateEventInfo(msg.Process.Id, EntityView.Events.EntityViewFound), msg.Process, Source), Source);
}
}
catch (Exception ex)
{
PublishProcesError(msg, ex, typeof(IEntityFound <TView>));
}
}
