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(.module:
[library
[lux (#- or)
[control
[monad (#+ do)]
[concurrency
["." promise]]]
[data
["." maybe]
["." text]
[number
["n" nat]]]]]
["." // (#+ URI Server)
["#." status]
["#." response]])
(template [<scheme> <name>]
[(def: #export (<name> server)
(-> Server Server)
(function (_ (^@ request [identification protocol resource message]))
(case (get@ #//.scheme protocol)
<scheme>
(server request)
_
(promise.resolved //response.not-found))))]
[#//.HTTP http]
[#//.HTTPS https]
)
(template [<method> <name>]
[(def: #export (<name> server)
(-> Server Server)
(function (_ (^@ request [identification protocol resource message]))
(case (get@ #//.method resource)
<method>
(server request)
_
(promise.resolved //response.not-found))))]
[#//.Get get]
[#//.Post post]
[#//.Put put]
[#//.Patch patch]
[#//.Delete delete]
[#//.Head head]
[#//.Connect connect]
[#//.Options options]
[#//.Trace trace]
)
(def: #export (uri path server)
(-> URI Server Server)
(function (_ [identification protocol resource message])
(if (text.starts-with? path (get@ #//.uri resource))
(server [identification
protocol
(update@ #//.uri
(|>> (text.clip' (text.size path)) maybe.assume)
resource)
message])
(promise.resolved //response.not-found))))
(def: #export (or primary alternative)
(-> Server Server Server)
(function (_ request)
(do promise.monad
[response (primary request)
#let [[status message] response]]
(if (n.= //status.not-found status)
(alternative request)
(wrap response)))))
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