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Re: didUpdate?
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Re: didUpdate?


  • Subject: Re: didUpdate?
  • From: Theodore Petrosky <email@hidden>
  • Date: Sun, 29 Jul 2012 15:05:52 -0700 (PDT)

Ramsey,

I went over your HelloD2W example and implemented the ERCoreBusiness stuff. your example of adding coreUserPreferences (at 59:45) was just perfect.

is there any example of the audit trails? I am trying other ways to implement my emailing issue.

Ted

--- On Sun, 7/29/12, Ramsey Gurley <email@hidden> wrote:

> From: Ramsey Gurley <email@hidden>
> Subject: Re: didUpdate?
> To: "Theodore Petrosky" <email@hidden>
> Cc: "WebObjects-Dev Mailing List List" <email@hidden>, "David Holt" <email@hidden>
> Date: Sunday, July 29, 2012, 1:54 PM
> I agree with David,
>
> You can do this based off of didInsert in the ERCore audit
> trail entry. The audit trail entry will already have all
> your before and after values, and didInsert will only be
> fired after a successful save. It seems the only thing
> lacking is a didInsert method that posts a notification on
> ERCAuditTrailEntry. [Patches welcome :-)] Plus, ERCore
> already has email queuing and processing built in too.
>
> Compared to the trivial implementation, this is better. All
> your code is contained in one observer class that watches
> for notifications. While it might be trivial to add this
> sort of thing to view components, control code doesn't
> belong in the view. Ultimately, you would end up with hooks
> and conditional code to trigger this behavior all over your
> view classes.
>
> By sticking with D2W, you just helped yourself maintain
> clean MVC :-)
>
> Ramsey
>
> On Jul 29, 2012, at 7:46 AM, David Holt wrote:
>
> > You could use the AuditTrail and email the update entry
> to your users.
> >
> > David
> >
> >
> > On 2012-07-29, at 7:28 AM, Theodore Petrosky <email@hidden>
> wrote:
> >
> >>
> >> I found a solution but I want to know how bad it
> is?
> >>
> >> in my Session's awake, I am creating an EC and
> doing a fetch of all my Projects:
> >>
> >>     EOEditingContext theComparisonEC
> = ERXEC.newEditingContext();
> >>     NSArray<Project> compArray
> = Project.fetchAllProjects(theComparisonEC);
> >>    
> ERXThreadStorage.takeValueForKey(compArray,
> "theCompArray");
> >>
> >>
> >> then in the willUpdate() method, I iterate over the
> array and find the primaryKey of the current Project.
> >>
> >> Now I have my before and after.
> >>
> >> the question is, how bad is this. I can not imaging
> that this database will ever get over a few thousand rows.
> Meaning if it is still in use in 10 years, there will be 5k
> rows.
> >>
> >>
> >>
> >>
> >> --- On Sat, 7/28/12, Tim Worman <email@hidden>
> wrote:
> >>
> >>> From: Tim Worman <email@hidden>
> >>> Subject: Re: didUpdate?
> >>> To: "Theodore Petrosky" <email@hidden>
> >>> Cc: "Paul Yu" <email@hidden>, "email@hidden"
> <email@hidden>
> >>> Date: Saturday, July 28, 2012, 11:49 PM
> >>> This is in the
> >>> API for ERXGenericRecord. Have you tried it?
> >>> changesFromCommittedSnapshotpublic
> >>> NSDictionary<String,Object>
> >>> changesFromCommittedSnapshot()Description
> copied from
> >>> interface: ERXEnterpriseObjectComputes
> >>> the current set of changes that this object has
> from the
> >>> currently committed snapshot.
> >>> Specified
> >>> by:changesFromCommittedSnapshot in
> >>> interface ERXEnterpriseObjectReturns:a
> >>> dictionary holding the changed values from the
> currently
> >>> committed snapshot.
> >>> TimUCLA GSE&IS
> >>> On Jul 28, 2012, at 7:36 PM, Theodore Petrosky
> >>> <email@hidden>
> >>> wrote:
> >>> Are you thinking that in the willUpdate()
> method
> >>> I should have access to the attributes before
> they are
> >>> changed?
> >>>
> >>> or that I should do something in this method
> because I just
> >>> tested it with a log statement and the
> attributes are
> >>> already changed.
> >>>
> >>> this would have been trivial in a regular
> wonder app. but I
> >>> am forcing myself to stay in D2W.
> >>>
> >>> --- On Sat, 7/28/12, Paul Yu <email@hidden>
> >>> wrote:
> >>>
> >>> From: Paul Yu <email@hidden>
> >>> Subject: Re: didUpdate?
> >>> To: "Theodore Petrosky" <email@hidden>
> >>> Cc: "email@hidden"
> >>> <email@hidden>
> >>> Date: Saturday, July 28, 2012, 10:06 PM
> >>> willUpdate()?
> >>>
> >>> Sent from my iPad
> >>>
> >>> On Jul 28, 2012, at 9:03 PM, Theodore Petrosky
> <email@hidden>
> >>> wrote:
> >>>
> >>> So, I got my D2W app sending email
> >>> when I update or
> >>> create a new object by overriding didUpdate in
> >>> the EO.
> >>>
> >>> basically, my email says "This record has been
> >>> updated"
> >>> and here are the attributes.
> >>>
> >>> How can I get a copy of the original. I mean, I
> want
> >>> the email to say:
> >>>
> >>> here is the old title: Big title.
> >>> Here is the new title: New title.
> >>>
> >>> Where can I get a copy of the EO before it
> gets
> >>> updated?
> >>>
> >>> Ted
> >>>
> _______________________________________________
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> >>>
> >>>
> >>>
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> >>
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References: 
 >Re: didUpdate? (From: Ramsey Gurley <email@hidden>)

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