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(.module:
[library
[lux "*"
[abstract
[monad {"+" [do]}]]
[control
["[0]" try]
[concurrency
["[0]" async {"+" [Async]}]]]
[data
["[0]" text
["%" format {"+" [format]}]]]
[world
[program {"+" [Program]}]
["[0]" file]
[net
["[0]" uri {"+" [URI]}]]]]]
["[0]" //
["/[1]" // "_"
["[1][0]" local]
["[1][0]" metadata]]])
(def: (root program /)
(-> (Program Async) Text file.Path)
(|> ///local.repository
(text.replaced uri.separator /)
(format (\ program home) /)))
(def: (path /)
(-> Text (-> URI file.Path))
(text.replaced uri.separator /))
(def: (absolute_path program /)
(-> (Program Async) Text (-> URI file.Path))
(|>> ///metadata.local_uri
(..path /)
(format (..root program /) /)))
(implementation: .public (repository program fs)
(-> (Program Async) (file.System Async) (//.Repository Async))
(def: description
(..root program (\ fs separator)))
(def: download
(|>> (..absolute_path program (\ fs separator))
(\ fs read)))
(def: (upload uri content)
(do [! async.monad]
[.let [absolute_path (..absolute_path program (\ fs separator) uri)]
? (\ fs file? absolute_path)
_ (if ?
(in [])
(case (file.parent fs absolute_path)
(#.Some parent)
(file.make_directories async.monad fs parent)
_
(let [! (try.with async.monad)]
(\ ! in []))))]
(\ fs write content absolute_path))))
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