[Kde-finance-apps] Re: Fwd: Season of KDE status check

[Klaas Freitag]

Am Mittwoch 25 Mai 2011, 07:33:03 schrieb Thomas Baumgart:
Hi,

thanks, Samir, for sharing :-)

> The use case diagram and the accompanying description look good to me.
> Could be extended in a second round to cover things like 'sync/load
> accounts from app on PC' so that you don't have to enter data into the
> mobile app that is already present on the PC.
> 
> A few things to keep in mind that ease later integration into any
> application:
> 
> - assign a unique ID to each transaction
>   this allows to transfer transactions from the mobile to the PC more than
> once. The desktop applications can usually deal with duplicates if they
> only find an ID.
Thats true. The ID generator has to be in the DBus backend, as various apps
could generate a transaction and still the ID needs to be unique. However,
on the mobile device, there is no connection to the service on the bus, 
so the mobile entry can only be unique in the mobile device. So the data
should contain a "local ID" (assigned in the mobile) and a 'really' global
unique ID assigned by Alkimia at sync time. That, however, is only true if
we want continous IDs. If not, we could create real unique ids if we
combine for example the netcard MAC ID with a timestamp and calc an MD5
from it. That results in a worldwide unique ID and can be done locally
easily.  

> - data transfer
>   using a known and already implemented file format would ease
> implementation work on the desktop side. With the current understanding
> even QIF could do the job (I know, we all hate it but this time we have
> the sending side under control ;) ) and the software to create it is
> lightweighted.  OFX seems to be a bit of overhead since you need external
> libs (libOFX).  Coming up with YAXF (Yet Another Xfer Format) adds
> additional work on the application side. Maybe the Skrooge logic to be
> moved into Alkimia could help here.
Can these file formats also store the status such as "Money expected but
not yet there" for example which are needed for example for the Kraft 
usecase (You remember: Invoice sent, money expected) ? 

Sorry if I sound dumb to you, I am absolutely without knowledge in that 
space. Can one of you recommend a resource to learn the basics of 
"transactions" and stuff? Maybe we should set up a glossar to make clear 
what what is, or is that common knowledge?

Regards,

Klaas

> 
> > ---------- Forwarded message ----------
> > From: samir <sam1487 at gmail.com>
> > Date: Tue, May 24, 2011 at 5:11 PM
> > Subject: Re: Season of KDE status check
> > To: Alvaro Soliverez <asoliverez at kde.org>
> > 
> > 
> > Hello Alvaro,
> > 
> > Hope you're fine. I have put up a description of the Online Billing
> > Application[0] with some explanatory text and a use case design to
> > demonstrate what I am planning for the mobile system. I started the
> > document with an introduction to the project and how it can be used.
> > After that, I illustrated the features of the mobile client software
> > with a use case diagram. I thought the diagram is necessary as this
> > application will be developed on multiple platforms (Android,
> > BlackBerry and maybe Symbian). This will ensure similar interface and
> > reuse over the different builds.
> > 
> > While I start building the application, a standard for the XML file
> > that the transactions will be exported to needs to be defined as well.
> > Later on, I will need your help in writing modules to extend the DBus
> > service so that the XML data can be fed to the bus. If scope allows,
> > we can then start thinking of extending a financial application such
> > as KMyMoney with a module that imports this data from the bus and
> > updates respective accounts.
> > 
> > Please tell me what you think about
> > 
> > The online documentation I have started
> > The contents of an XML file so that it contains enough information
> > such that it can be easily integrated into a financial application
> > 
> > Once these are settled, I will require some help regarding
> > 
> > How to feed the XML data into the DBus service
> > How to write modules that imports data from DBus service
> > 
> > [0] : http://community.kde.org/Alkimia/Usecases/Billing
> > 
> > Thanks
> > 
> > On Sat, May 14, 2011 at 7:36 PM, Alvaro Soliverez <asoliverez at kde.org>
> 
> wrote:
> > > Don't worry, I've already replied Lydia on this subject to confirm you
> > > on this project.
> > > 
> > > On Sat, May 14, 2011 at 10:22 AM, samir <sam1487 at gmail.com> wrote:
> > > > Dear Alvaro,
> > > > 
> > > > I have received a mail from Lydia Pintscher regarding my project on
> > > > the Season of KDE. I have already started to work on the Mobile
> > > > Billing System application for Alkimia, and have begun putting up
> > > > some preliminary designs in the community page found in the use case
> > > > of Alkimia. I am asked to confirm if I have found any project and a
> > > > mentor for that project. Can I reply with this project, and you as
> > > > my mentor for this project?
> > 
> > --
> > samir
> > { www.incurlybraces.com }
> > _______________________________________________
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> > Kde-finance-apps at kde.org
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