70 lines
1.7 KiB
Haskell
70 lines
1.7 KiB
Haskell
module GalleryPage (make) where
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import Control.Exception
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import Data.Function (on)
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import Data.List (sortBy)
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import Data.Ord (comparing)
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import qualified Data.Text.Lazy as Lazy
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import Data.Text.Lazy.Builder (Builder, toLazyText)
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import System.FilePath ((</>), takeDirectory)
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import BuilderQQ
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import Depend (thumbFile)
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import Info
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newtype NoThumb = NoThumb FilePath
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deriving stock Eq deriving anyclass Exception
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instance Show NoThumb where show (NoThumb dir) = "no thumbnail for " ++ dir
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make :: Text -- ^ title
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-> Bool -- ^ nsfw is included?
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-> [(FilePath, Info)]
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-> Lazy.Text
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make title nsfw infos = toLazyText $ make' title nsfw infos
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make' :: Text -> Bool -> [(FilePath, Info)] -> Builder
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make' title nsfw infos = [b|@0
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<!DOCTYPE html>
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<html lang=en>
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<meta charset=utf-8>
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<link rel=stylesheet href=/style/gallery.css>
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<title>$*title</title>
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<header>
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<h1>$*title</h1>
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</header>
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<main>
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<ul class=grid>
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$4.items
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</ul>
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</main>
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|]
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where
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items = map (uncurry makeItem) infos
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infos = sortBy (cmpInfo `on` snd) infos'
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cmpInfo = flip (comparing #date) <> comparing #title
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makeItem :: Bool -> FilePath -> Info -> Builder
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makeItem nsfw file info = [b|@4
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<li $cls>
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<figure>
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<a href="$@dir">
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<img src="$@thumb">
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</a>
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$title
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</figure>
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|]
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where
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dir = takeDirectory file
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thumb = maybe (throw $ NoThumb dir) (\t -> dir </> thumbFile t) $ #thumb info
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title = maybe mempty mkTitle $ #title info
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mkTitle t = [b|@8
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<figcaption>
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$*t
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</figcaption>
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|]
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cls | nsfw && #anyNsfw info = [b|class="item nsfw"|]
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| otherwise = [b|class=item|]
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