62 lines
1.9 KiB
Haskell
62 lines
1.9 KiB
Haskell
module SlackBuilder.Updater
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( latestPackagist
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, latestText
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) where
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import Data.Aeson.TH (defaultOptions, deriveJSON)
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import Data.HashMap.Strict (HashMap)
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import qualified Data.HashMap.Strict as HashMap
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import Data.Text (Text)
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import qualified Data.Text as Text
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import qualified Data.Text.Encoding as Text.Encoding
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import Data.Vector (Vector)
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import qualified Data.Vector as Vector
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import Network.HTTP.Req
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( runReq
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, defaultHttpConfig
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, req
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, GET(..)
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, https
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, jsonResponse
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, NoReqBody(..)
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, (/:)
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, responseBody, useHttpsURI, bsResponse
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)
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import Text.URI (mkURI)
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import SlackBuilder.CommandLine
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newtype PackagistPackage = PackagistPackage
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{ version :: Text
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} deriving (Eq, Show)
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$(deriveJSON defaultOptions ''PackagistPackage)
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newtype PackagistResponse = PackagistResponse
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{ packages :: HashMap Text (Vector PackagistPackage)
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} deriving (Eq, Show)
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$(deriveJSON defaultOptions ''PackagistResponse)
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latestPackagist :: PackagistArguments -> IO (Maybe Text)
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latestPackagist PackagistArguments{..} = do
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packagistResponse <- runReq defaultHttpConfig $
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let uri = https "repo.packagist.org" /: "p2"
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/: vendor
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/: name <> ".json"
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in req GET uri NoReqBody jsonResponse mempty
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let packagistPackages = packages $ responseBody packagistResponse
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fullName = Text.intercalate "/" [vendor, name]
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pure $ HashMap.lookup fullName packagistPackages
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>>= fmap (version . fst) . Vector.uncons
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latestText :: TextArguments -> IO (Maybe Text)
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latestText (TextArguments textArguments) = do
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uri <- useHttpsURI <$> mkURI textArguments
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packagistResponse <- traverse (runReq defaultHttpConfig) $ go . fst <$> uri
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pure $ Text.strip . Text.Encoding.decodeASCII . responseBody
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<$> packagistResponse
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where
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go uri = req GET uri NoReqBody bsResponse mempty
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