hub.darcs.net :: jetaggart -> darcsden-working -> changes

404 errors now result in prettier "not found" pages rendered with the site's HTML/CSS.

Structurally, the sitePage function has been split into sitePage and sitePageTemplate, the latter does not require session info. The new notFoundPage therefore uses the site's template. The original 404 page has been renamed to notFoundPlain.

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This patch contains the following changes:

M ./src/DarcsDen/Pages/RepoPages.hs -4 +4

This is supposed to resolve the bug #20 http://hub.darcs.net/simon/darcsden/issue/20. The gist of the problem is that 'rqPathInfo' (and 'rqContextPath') contain the parts of the original encoded URL. That resulted in lookup failures in hashed-storage among other things. In this commit I introduce a 'rqDecPathInfo' function that tries to decode the path info using Snap's 'urlDecode'.

This fixes all the cases mentioned on #23, and also displays hunks more correctly in patch view: eg a simple add hunk's red part now looks empty rather than like a line being removed. But our html/css is complicated so watch out for regressions from this fix.

Source file names are now generally unique. Sometimes this makes them a little more verbose or redundant, but it makes things clearer and helps with code navigation. Having 4-6 files named User.hs, Repository.hs, Util.hs etc. made the code hard to work with. The names will probably evolve more, but it's a step forward.

Also,

• Repository has been shortened to Repo in filenames, as a special case
• the plurality of X in X/ and X/SomethingX.hs is consistent

See also src/README.md.

Module names are a little more verbose, but this will help a lot with code navigation and orientation.

Document and apply a consistent function naming scheme to help disambiguate handlers, pages, and page fragments. Also clarify some type aliases which were a bit confusing. The old Page is gone, and the old HSPage is now called Page.