[hakyll] Change routes for posts

[n***@gmail.com]

Hi all,

In my Hakyll blog I'm using the classic scheme for posts,
placing files in the form YYYY-MM-DD-title.md in a posts/
subdirectory.

The result is that posts turn into YYYY-MM-DD-title.html
output files, and everything works well.

What I'd like to achieve is to have the posts date part
of the URL to show up as *folders*, i.e.

YYYY/MM/DD/title.html

What is the best way to achieve this? I've tried writing
a customRoute that used regexps to change the url,
but failed (mainly because I'm having trouble using
the Text.Regexp.TDFA module), and then I've tried
to write a route that pulled the date from the metadata
but then I cannot access the filename anymore,
because the function to supply to metadataRoute
is of type Metadata -> Routes, so I can only generate
a whole new route, and I don't have access to the original
route to modify it.

Any hint would be appreciated.

Thank you,
Nicola

[Jasper Van der Jeugt]

Hey Nicola,

Often it is a good idea to keep things simple. You can try the following:

myRoute :: Routes
myRoute = customRoute $ \ident -> case toFilePath ident of
(y1:y2:y3:y4 : '-' : m1:m2:'-' : d1:d2 : '-' : title) ->
y1:y2:y3:y4 : '/' : m1:m2 : '/' : d1:d2 : '/' : title
path -> error $ "Invalid filepath: " ++ path

Peace,
Jasper

Post by n***@gmail.com
Hi all,
In my Hakyll blog I'm using the classic scheme for posts,
placing files in the form YYYY-MM-DD-title.md in a posts/
subdirectory.
The result is that posts turn into YYYY-MM-DD-title.html
output files, and everything works well.
What I'd like to achieve is to have the posts date part
of the URL to show up as *folders*, i.e.
YYYY/MM/DD/title.html
What is the best way to achieve this? I've tried writing
a customRoute that used regexps to change the url,
but failed (mainly because I'm having trouble using
the Text.Regexp.TDFA module), and then I've tried
to write a route that pulled the date from the metadata
but then I cannot access the filename anymore,
because the function to supply to metadataRoute
is of type Metadata -> Routes, so I can only generate
a whole new route, and I don't have access to the original
route to modify it.
Any hint would be appreciated.
Thank you,
Nicola
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