69 lines
2.1 KiB
Haskell
69 lines
2.1 KiB
Haskell
{- This Source Code Form is subject to the terms of the Mozilla Public License,
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v. 2.0. If a copy of the MPL was not distributed with this file, You can
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obtain one at https://mozilla.org/MPL/2.0/. -}
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-- | Contains data describing packages, methods to update them and to request
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-- information about them.
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module SlackBuilder.Package
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( Download(..)
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, DownloadTemplate(..)
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, PackageDescription(..)
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, PackageUpdateData(..)
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, Updater(..)
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, renderDownloadWithVersion
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, renderTextWithVersion
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) where
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import Data.Text (Text)
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import qualified Data.Text as Text
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import Text.URI (URI(..))
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import qualified Text.URI as URI
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import Crypto.Hash (Digest, MD5)
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import SlackBuilder.Trans
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import Control.Monad.Catch (MonadThrow)
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import Data.Map (Map)
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-- | Contains information how a package can be updated.
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data PackageDescription = PackageDescription
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{ latest :: Updater
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, downloaders :: Map Text Updater
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, name :: Text
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}
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data PackageUpdateData = PackageUpdateData
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{ description :: PackageDescription
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, category :: Text
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, version :: Text
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}
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-- | Download URI with the MD5 checksum of the target.
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data Download = Download
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{ download :: URI
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, md5sum :: Digest MD5
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} deriving (Eq, Show)
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-- | List of URI components, including version placeholders.
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newtype DownloadTemplate = DownloadTemplate
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{ unDownloadTemplate :: Text
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} deriving Eq
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instance Show DownloadTemplate
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where
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show = Text.unpack . unDownloadTemplate
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-- | Replaces placeholders in the URL template with the given version.
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renderDownloadWithVersion :: MonadThrow m => DownloadTemplate -> Text -> m URI
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renderDownloadWithVersion (DownloadTemplate template) version =
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URI.mkURI $ renderTextWithVersion template version
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-- | Replaces placeholders in the text with the given version.
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renderTextWithVersion :: Text -> Text -> Text
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renderTextWithVersion template version = Text.replace "{version}" version template
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-- | Function used to get the latest version of a source.
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data Updater = Updater
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{ detectLatest :: SlackBuilderT (Maybe Text)
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, is64 :: Bool
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, getVersion :: Text -> Text -> SlackBuilderT Download
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}
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