85 lines
2.2 KiB
Haskell
85 lines
2.2 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, groupBy)
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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 $ makeYearItems nsfw) infosByYear
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infosByYear =
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infos & sortBy (cmpInfo `on` #second)
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& map (\fi -> (fi, #year $ #second fi))
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& groupBy ((==) `on` #second)
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& map (\ys -> (#second (head ys), map #first ys))
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cmpInfo (Info {date = d1, title = t1}) (Info {date = d2, title = t2}) =
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compare d2 d1 <> compare t1 t2
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makeYearItems :: Bool -- ^ nsfw
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-> Integer -- ^ year
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-> [(FilePath, Info)]
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-> Builder
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makeYearItems nsfw year infos = [b|@4
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<li class="item year-marker">
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<span class=year-text>$^year</span>
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$4.items
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|]
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where items = map (uncurry $ makeItem nsfw) infos
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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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