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... This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
... If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
(.require
[library
[lux (.except)
[abstract
[monad (.only do)]
[equivalence (.only Equivalence)]]
[control
["<>" parser]
["[0]" pipe]
["[0]" try (.only Try)]
[concurrency
["[0]" async (.only Async)]]]
[data
["[0]" product]
["[0]" text (.only)
["%" \\format]
["<[1]>" \\parser]
[encoding
["[0]" utf8]]]
[format
["[0]" xml (.only XML)
["<[1]>" \\parser (.only Parser)]]]
[collection
["[0]" list (.use "[1]#[0]" functor)]]]
[math
[number
["n" nat]]]
[world
[net
["[0]" uri (.only URI)]]
["[0]" time (.only Time)
["[0]" instant (.only Instant)]
["[0]" date (.only Date)]
["[0]" year]
["[0]" month]]]]]
["[0]" // (.only)
["/[1]" //
[repository (.only Repository)]
["[1][0]" artifact (.only Group Name Version Artifact)]]])
(type .public Metadata
(Record
[#group Group
#name Name
#versions (List Version)
#last_updated Instant]))
(def (pad value)
(-> Nat Text)
(if (n.< 10 value)
(%.format "0" (%.nat value))
(%.nat value)))
(def (date_format value)
(%.Format Date)
(%.format (|> value date.year year.value .nat %.nat)
(|> value date.month month.number ..pad)
(|> value date.day_of_month ..pad)))
(def (time_format value)
(%.Format Time)
(let [(open "[0]") (time.clock value)]
(%.format (..pad #hour)
(..pad #minute)
(..pad #second))))
(def (instant_format value)
(%.Format Instant)
(%.format (..date_format (instant.date value))
(..time_format (instant.time value))))
(with_template [<definition> <tag>]
[(def <definition> xml.Tag ["" <tag>])]
[<group> "groupId"]
[<name> "artifactId"]
[<version> "version"]
[<versioning> "versioning"]
[<versions> "versions"]
[<last_updated> "lastUpdated"]
[<metadata> "metadata"]
)
(with_template [<name> <type> <tag> <pre>]
[(def <name>
(-> <type> XML)
(|>> <pre> {xml.#Text} list {xml.#Node <tag> xml.attributes}))]
[group_format Group ..<group> (|>)]
[name_format Name ..<name> (|>)]
[version_format Version ..<version> (|>)]
[last_updated_format Instant ..<last_updated> ..instant_format]
)
(def versions_format
(-> (List Version) XML)
(|>> (list#each ..version_format) {xml.#Node ..<versions> xml.attributes}))
(def .public (format value)
(-> Metadata XML)
{xml.#Node ..<metadata>
xml.attributes
(list (..group_format (the #group value))
(..name_format (the #name value))
{xml.#Node ..<versioning>
xml.attributes
(list (..versions_format (the #versions value))
(..last_updated_format (the #last_updated value)))})})
(def (text tag)
(-> xml.Tag (Parser Text))
(<| (<xml>.node tag)
<xml>.text))
(def date_parser
(<text>.Parser Date)
(do <>.monad
[year (<>.codec n.decimal (<text>.exactly 4 <text>.decimal))
year (<>.of_try (year.year (.int year)))
month (<>.codec n.decimal (<text>.exactly 2 <text>.decimal))
month (<>.of_try (month.by_number month))
day_of_month (<>.codec n.decimal (<text>.exactly 2 <text>.decimal))]
(<>.of_try (date.date year month day_of_month))))
(def time_parser
(<text>.Parser Time)
(do <>.monad
[hour (<>.codec n.decimal (<text>.exactly 2 <text>.decimal))
minute (<>.codec n.decimal (<text>.exactly 2 <text>.decimal))
second (<>.codec n.decimal (<text>.exactly 2 <text>.decimal))]
(<>.of_try (time.time
[time.#hour hour
time.#minute minute
time.#second second
time.#milli_second 0]))))
(def last_updated_parser
(Parser Instant)
(<text>.then (do <>.monad
[date ..date_parser
time ..time_parser]
(in (instant.of_date_time date time)))
(..text ..<last_updated>)))
(def .public parser
(Parser Metadata)
(<| (<xml>.node ..<metadata>)
(all <>.and
(<xml>.somewhere (..text ..<group>))
(<xml>.somewhere (..text ..<name>))
(<| (<xml>.node ..<versioning>)
... Handle any ignorable tag.
(<>.before (<>.some <xml>.any))
(all <>.and
(<| <xml>.somewhere
(<xml>.node ..<versions>)
(<>.many (..text ..<version>)))
(<xml>.somewhere ..last_updated_parser)
)))))
(def .public equivalence
(Equivalence Metadata)
(all product.equivalence
text.equivalence
text.equivalence
(list.equivalence text.equivalence)
instant.equivalence
))
(def .public uri
(-> Artifact URI)
//.remote_project_uri)
(def epoch
Instant
(instant.of_millis +0))
(def .public (read repository artifact)
(-> (Repository Async) Artifact (Async (Try Metadata)))
(do async.monad
[project (of repository download (..uri artifact))]
(when project
{try.#Success binary_metadata}
(in (|> binary_metadata
(pipe.do try.monad
[(of utf8.codec decoded)]
[(of xml.codec decoded)]
[list (<xml>.result ..parser)])))
{try.#Failure error}
(in {try.#Success
(let [(open "[0]") artifact]
[..#group #group
..#name #name
..#versions (list)
..#last_updated ..epoch])}))))
(def .public (write repository artifact metadata)
(-> (Repository Async) Artifact Metadata (Async (Try Any)))
(|> metadata
..format
(of xml.codec encoded)
(of utf8.codec encoded)
(of repository upload (..uri artifact))))
|
