If the formatting could be applied to different classes, I'd use a
filter. If the formatting only makes sense for Houses, I'd make it a
method on House.
James
On 14/02/2007, at 9:51 PM, Jonathan Ballet wrote:
>
> Hello everybody,
>
> some days ago, my co-worker did some things which keep bothering me.
>
> He has a simple model, which represents, as it's name point out,
> err ... houses :
>
> class House(models.Model):
> price = models.FloatField(max_digits=10, decimal_places=2)
> to_buy = models.BooleanField(default=True) # False = to rent
> nb_rooms = models.PositiveIntegerField(null=True)
> ## etc.
>
> Then, he has a simple view, which displays a list of all houses from
> the database, with a formatted title.
> The title is a mix of some fields of a house object : for ex., if the
> number of rooms is not available, it is not displayed, etc.
> (currently, it's a 30 lines function).
> He ends up with a title which looks like this : "House for rent, with
> 4 rooms - 1000" or "House to buy - 100000"
>
> So, the question is : what is the "best" way of rendering this title
> in a template.
>
> We found multiple solutions (looping over each "house"s of the list) :
> * a get_title() method in the House class which is used like that :
> {{ house.get_title }}
> * a format_title filter : {{ house|format_title }}
> * adding an additionnal "title" attribute for every house objects,
> which is set in the view by a function (how ugly)
> * ... something else ?
>
> To my mind, I think using a filter is better, since it allows you to
> redefine another format of title, without changing anything into your
> model (since the application should be reusable for other projects).
> However, I'm not sure if this is the "best" way to do this ...
>
> Any comments welcome !
>
> - Jonathan
>
>
> >
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