55 lines
1.7 KiB
Haskell
55 lines
1.7 KiB
Haskell
{-# LANGUAGE NoImplicitPrelude #-}
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{-# LANGUAGE OverloadedStrings #-}
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module Handler.Feed where
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import Import
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import Data.Time.Clock.POSIX ( posixSecondsToUTCTime )
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import Model.Entry ( entryTitle )
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import Widget.Entry ( entryR )
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import qualified Data.Text as T
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import qualified Model.Entry.Kind as K
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getFeedR :: Handler TypedContent
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getFeedR = do
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entries <- runDB $ selectList [] [Desc EntryPublished]
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newsFeed $ toFeed entries
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getFeedKindR :: K.EntryKind -> Handler TypedContent
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getFeedKindR kind = do
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entries <- runDB $ selectList [EntryKind ==. kind] [Desc EntryPublished]
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let basicFeed = toFeed entries
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newsFeed $ basicFeed
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{ feedTitle = T.concat [K.pluralise kind, " ~ ", feedTitle basicFeed]
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, feedDescription = toHtml $ T.concat ["feed of all ", K.pluralise kind]
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, feedLinkSelf = FeedKindR kind
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, feedLinkHome = EntriesR kind
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}
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toFeed :: [Entity Entry] -> Feed (Route App)
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toFeed entries@(latestEntry:_) = (toFeed [])
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{ feedEntries = toFeedEntry <$> entries
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, feedUpdated = entryUpdated $ entityVal latestEntry
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}
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toFeed [] = Feed
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{ feedTitle = siteTitle compileTimeAppSettings
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, feedLinkSelf = FeedR
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, feedLinkHome = HomeR
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, feedAuthor = ""
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, feedDescription = "sitewide feed of all entries"
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, feedLanguage = "en-au"
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, feedUpdated = posixSecondsToUTCTime 0
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, feedLogo = Nothing
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, feedEntries = []
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}
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toFeedEntry :: Entity Entry -> FeedEntry (Route App)
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toFeedEntry entry = FeedEntry
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{ feedEntryLink = entryR entry
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, feedEntryUpdated = entryUpdated $ entityVal entry
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, feedEntryTitle = entryTitle $ entityVal entry
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, feedEntryContent = toHtml . entryContent . entityVal $ entry
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, feedEntryEnclosure = Nothing
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}
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