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