[web-devel] [Yesod] Re: ANN: Wai routes 0.7

[Greg Weber]

On Fri, Jun 12, 2015 at 9:10 AM, Anupam Jain <ajnsit at gmail.com> wrote:

> Glad you figured it out! The html function accepts Bytestring instead
> of Text to be compatible with blaze-html. I will probably add a
> htmlText function which supports Text instead and works seamlessly
> with Hamlet et all.
>

Hamlet itself uses blaze-html so I think you should be able to avoid
encodings altogether


>
> One minor thing I notices in your code - it converts from Lazy Text ->
> Strict Text -> Strict ByteString -> Lazy ByteString
> If you use encodeUtf8 from Data.Text.Lazy.Encoding, you can go
> directly from Lazy ByteString -> Lazy Text.
>
> -- Anupam
>
>
> On Fri, Jun 12, 2015 at 5:16 PM, Njagi Mwaniki
> <mwanikibusiness at gmail.com> wrote:
> > Never mind. I found a way to make it work here:
> > https://github.com/urbanslug/cats/blob/master/Handler/Home.hs
> >
> >
> > On Friday, 12 June 2015 12:08:44 UTC+3, Njagi Mwaniki wrote:
> >>
> >> Hey, I am trying to use shakesperean templates with this. I just can't
> get
> >> it to work. Even in a quasiqote widget kind of way. What am I doing
> wrong?
> >> or is this not supported at all. I would like to finally use external
> files
> >> for hamlet lucius and julius. I could show you my code but it's just a
> ball
> >> of wool so I won't even bother.
> >>
> >> On Wednesday, 10 June 2015 22:19:06 UTC+3, Anupam wrote:
> >>>
> >>> You are right. The example in the README is meant to be more of a
> >>> template which gives you a flavor of what the code looks like. It also
> >>> has chunks of code missing (and with ellipses in its place) that would
> >>> need to be filled in before it would compile. The code in the
> >>> examples/ directory on github has working code examples with cabal
> >>> files
> >>> (https://github.com/ajnsit/wai-routes/blob/master/examples/Subsites.hs
> ).
> >>> I am working on improving the documentation, and adding more examples.
> >>>
> >>> To answer your other questions -
> >>>
> >>> 1. I just released v0.7 today. Docs on Hackage are built periodically,
> >>> and we should have proper documentation generated soon.
> >>>
> >>> 2. The TH code generates a "resource" for your route which is like an
> >>> abstract representation of your route declaration. It can be reused in
> >>> other parts of the code. Notably it is useful when you want to
> >>> separate the declaration for the Route datatype and the dispatching
> >>> code. In your example, since the resource is created but not used or
> >>> exported, it generates a warning. For now you can safely ignore it.
> >>>
> >>> 3. "HandlerS sub master" is the type of a handler for a Subsite "sub"
> >>> running within a master site "master". Unfortunately that type is not
> >>> very easy to work with. "HandlerM" is a Monadic type that provides
> >>> easy access to all wai-routes functionality, and can then be converted
> >>> to a HandlerS using runHandlerM. When you don't have a subsite, the
> >>> type is simply "HandlerM sub master", which is aliased to "Handler
> >>> master". That's why in your example, the handlers all have the type
> >>> "Handler MyRoute".
> >>>
> >>> 4. "RouteM" is another Monadic type which makes it easy to compose
> >>> multiple routes and middleware together to create a final wai
> >>> application. This along with "nested routes", and "subsites", helps
> >>> you better organise your application.
> >>>
> >>> HTH
> >>>
> >>> -- Anupam
> >>>
> >>>
> >>>
> >>> On Wed, Jun 10, 2015 at 8:38 PM, Njagi Mwaniki
> >>> <mwaniki... at gmail.com> wrote:
> >>> > It could be just me but the example in your README is totally broken.
> >>> > It
> >>> > needs at least the extensions like QuasiQotes and TemplateHaskell.
> Also
> >>> > where does DB (used in your example) come from?
> >>> >
> >>> > Anyway using other examples from your README I got a minimal working
> >>> > example
> >>> > here: https://gist.github.com/urbanslug/58a584c002f54ad75c02
> >>> >
> >>> > I have a few questions regarding the types.
> >>> >
> >>> > * The haddocks on hackage don't work yet, do they?
> >>> > * in myRoute L21 I get the warning `Defined but not used:
> >>> > ‘resourcesMyRoute’` can you help with that?
> >>> > * I'm confused about this type signature "runHandlerM :: HandlerM sub
> >>> > master
> >>> > () -> HandlerS sub master"
> >>> > * What are HandlerM and RouteM and sub and master? They are in many
> >>> > type
> >>> > signatures and I don't get them.
> >>> >
> >>> > Thank you.
> >>> >
> >>> > On Wednesday, 10 June 2015 01:54:33 UTC+3, Anupam wrote:
> >>> >>
> >>> >> Hi all,
> >>> >>
> >>> >> I have just released v0.7 of wai-routes, the typesafe urls framework
> >>> >> for wai. After letting the code rot for several months, I finally
> >>> >> managed to carve out some time to do a bit of housekeeping. The code
> >>> >> now compiles with ghc 7.8 and 7.10, and is compatible with wai-3.0.
> >>> >> The dependency on yesod-routes has also been removed, as that
> package
> >>> >> was deprecated, and its code has been folded into wai-routes.
> >>> >>
> >>> >> I also took the opportunity to add a few long pending features -
> >>> >> 1. Subsites! Simpler than the corresponding concept in Yesod, though
> >>> >> probably less powerful as well. This is still an evolving
> experimental
> >>> >> feature.
> >>> >> 2. Ability to get information about the currently executing route,
> >>> >> including the Route Attributes (which is exactly the same thing as
> in
> >>> >> Yesod).
> >>> >>
> >>> >> Get it at -
> >>> >> [http://hackage.haskell.org/package/wai-routes]
> >>> >> [https://github.com/ajnsit/wai-routes].
> >>> >>
> >>> >> Feedback would be greatly appreciated, especially from people using
> >>> >> wai-routes in their projects!
> >>> >>
> >>> >> -- Anupam
> >>> >
> >>> > --
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