173 lines
5.1 KiB
Haskell
173 lines
5.1 KiB
Haskell
{-# LANGUAGE TransformListComp #-}
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module GalleryPage (make) where
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import BuilderQQ
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import Date
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import Info
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import qualified NsfwWarning
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import Control.Monad
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import Data.Foldable
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import Data.Function (on, (&))
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import qualified Data.HashMap.Strict as HashMap
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import Data.HashSet (HashSet)
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import qualified Data.HashSet as HashSet
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import Data.List (intersperse, groupBy, sortBy, sortOn)
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import Data.Maybe
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import qualified Data.Text.Lazy as Lazy
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import System.FilePath (takeDirectory, joinPath, splitPath)
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import GHC.Exts (Down (..), the)
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make :: Text -> GalleryInfo -> [(FilePath, Info)] -> Lazy.Text
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make root ginfo infos = toLazyText $ make' root ginfo infos
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make' :: Text -> GalleryInfo -> [(FilePath, Info)] -> Builder
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make' root (GalleryInfo {title, desc, prefix, filters, hidden}) 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/shiny/gallery.css>
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<link rel=icon href=/style/niss.svg>
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<link rel=alternate href=rss.xml type=application/rss+xml>
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<meta property=og:type content=og:website>
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<meta property=og:title content="$title">
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<meta property=og:site_name content="$title">
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<meta property=og:description content="$desc">
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<meta property=og:image content="$url/$imagepath0">
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<meta property=og:url content="$url">
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<meta name=twitter:site content=@2_gecs>
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<meta name=twitter:card content=summary>
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<script src=/script/gallery.js></script>
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$0.nsfwScript
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<title>$title</title>
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$0.nsfwDialog
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<div class=page>
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<header>
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<h1>$title</h1>
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<h2 class="right corner">
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<a href=rss.xml>rss</a>
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</h2>
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</header>
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<nav id=filters>
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<details id=filters-details>
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<summary><h2>filters</h2></summary>
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<div>
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<h3>show only</h3>
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<ul id=require class="buttonbar bb-choice">
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$10.requireFilters
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</ul>
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<h3>exclude</h3>
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<ul id=exclude class="buttonbar bb-choice">
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$10.excludeFilters
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</ul>
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<a href=# id=clear>clear</a>
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<a href=# id=singles>toggle single-use tags</a>
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</div>
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</details>
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</nav>
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<main>
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<ul class=grid>
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$6.items
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</ul>
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</main>
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<footer>
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<a href=$undir>all galleries</a>
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</footer>
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</div>
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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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[(the year, infopath) |
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infopath@(_, info) <- infos,
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not $ #unlisted info,
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then sortInfo by info,
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let year = #latestYear info nsfw,
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then group by Down year using groupBy']
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sortInfo f = sortBy $ flip (compareFor nsfw `on` f)
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groupBy' f = groupBy ((==) `on` f)
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undir = joinPath (replicate (length (splitPath prefix)) "..")
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allTags = infos
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& concatMap (map (,1) . tagsFor nsfw . #second)
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& HashMap.fromListWith (+) & HashMap.toList
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& sortOn (\(tag, count) -> (Down count, tag))
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requireFilters = map (uncurry $ makeFilter "require" mempty) allTags
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excludeFilters = map (uncurry $ makeFilter "exclude" hidden) allTags
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nsfw = #nsfw filters /= NoNsfw
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url = [b|$root/$prefix|]
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imagepath0
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| (_, (p0, i0) : _) : _ <- infosByYear = getThumb (takeDirectory p0) i0
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| otherwise = "/style/card.png"
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nsfw' = NsfwWarning.Gallery <$ guard nsfw
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nsfwScript = NsfwWarning.script nsfw'
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nsfwDialog = NsfwWarning.dialog nsfw'
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makeFilter :: Text -> HashSet Text -> Text -> Int -> Builder
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makeFilter prefix initial tag count = [b|@0
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<li$hidden>
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<input type=checkbox id="$id'" value="$tag"$checked>
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<label for="$id'" data-count=$count>$tag</label>
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|]
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where
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id' = [b|$prefix$&_$tag'|]
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tag' = escId tag
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checked = if HashSet.member tag initial then [b| checked|] else ""
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hidden = if count <= 1 then [b| hidden|] else ""
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makeYearItems :: Bool -- ^ nsfw
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-> Int -- ^ year
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-> [(FilePath, Info)]
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-> Builder
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makeYearItems nsfw year infos = [b|@0
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<li class="item year-marker" id="marker-$year">
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<span class=year-text>$year'</span>
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$0.items
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|]
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where
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items = map (uncurry $ makeItem nsfw) infos
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year' = show year & foldMap \c -> [b|<span class=y>$c</span>|]
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makeItem :: Bool -> FilePath -> Info -> Builder
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makeItem nsfw file info@(Info {bg}) = [b|@0
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<li class="item post$nsfw'" data-date="$date'" data-year=$year'
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data-updated="$updated'"
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data-tags="$tags'">
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<figure>
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<a href="$dir">
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<img src="$thumb" loading=lazy$bgStyle>
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</a>
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<figcaption>
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<span class=date>$date'</span>
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<span class=title>$title</span>
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</figcaption>
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</figure>
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|]
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where
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title = fromMaybe (#title info) $ #galleryTitle info
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dir = takeDirectory file
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thumb = getThumb dir info
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nsfw' = if nsfw && #anyNsfw info then [b| nsfw|] else ""
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tags' = fold $ intersperse ";" $ map fromText $ tagsFor nsfw info
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date = #latestDate info nsfw
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date' = formatShort date
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year' = #year date
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updated' = if #updated info nsfw then [b|true|] else [b|false|]
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bgStyle = ifJust bg \col -> [b| style="background: $col"|]
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