204 lines
5.2 KiB
Haskell
204 lines
5.2 KiB
Haskell
module SinglePage (make) where
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import Depend (pageFile)
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import Info hiding (Text)
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import BuilderQQ
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import Records ()
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import Control.Exception
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import Control.Monad
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import Data.Maybe (fromMaybe)
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import qualified Data.Text as Strict
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import qualified Data.Text.Lazy as Lazy
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import Data.Time (formatTime, defaultTimeLocale)
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import qualified Data.Char as Char
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import qualified Data.List as List
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import System.FilePath (joinPath, splitPath)
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-- | e.g. only nsfw images are present for a non-nsfw page
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data NoEligibleImages = NoEligibleImages {title :: !Strict.Text}
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deriving stock Eq deriving anyclass Exception
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instance Show NoEligibleImages where
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show (NoEligibleImages {title}) =
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Strict.unpack title <> ": no images selected\n" <>
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" (probably a nsfw-only work without --nsfw set)"
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make :: Bool -> FilePath -> Info -> Lazy.Text
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make nsfw dir = toLazyText . make' nsfw dir
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make' :: Bool -> FilePath -> Info -> Builder
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make' nsfw dir (Info {date, title, artist, tags, nsfwTags,
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desc, nsfwDesc, images = allImages, links}) = [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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<meta name=viewport content='width=1200,viewport-fit=cover'>
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<link rel=stylesheet href=/style/shiny/single.css title=shiny>
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<link rel='alternate stylesheet' href=/style/tum/single.css title=tummy>
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$0.prefetches
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<title>$*title</title>
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<header>
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<h1>$*title</h1>
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$artistTag
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<h2 id=date class="right corner">$formattedDate</h2>
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$buttonBar
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</header>
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<script async src=/script/single.js></script>
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<main>
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<figure id=mainfig>
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$warning'
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<a id=mainlink href="$@download0">
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<img id=mainimg src="$@path0'">
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</a>
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</figure>
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<section class=info>
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$descSection
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$tagsList
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$linksList
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</section>
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</main>
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<footer>
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<nav class=back>
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<a href=$@undir>back to gallery</a>
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</nav>
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</footer>
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|]
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where
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artistTag = ifJust artist makeArtist
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images | nsfw = allImages
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| otherwise = filter #sfw allImages
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formattedDate = formatDate date
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buttonBar = makeButtonBar title images
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image0 = head images
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path0 = #path image0
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download0 = fromMaybe path0 (#download image0)
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path0' = pageFile path0
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descSection = makeDesc nsfw desc nsfwDesc
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tagsList = makeTags nsfw tags nsfwTags
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linksList = extLinks nsfw links
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prefetches = map makePrefetch $ tail images
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makePrefetch (Image {path}) = [b|<link rel=prefetch href=$@path>|]
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warning' = ifJust (#warning image0) \w -> [b|@4
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<figcaption id=cw>
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<span id=cw-text>cw: <b>$*w</b></span>
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</figcaption>
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|]
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undir = joinPath (replicate (length (splitPath dir)) "..")
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makeArtist :: Artist -> Builder
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makeArtist (Artist {name, url}) =
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[b|<h2 id=artist class="left corner">by $artistLink</h2>|]
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where
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artistLink = case url of
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Just u -> [b|<a href="$*u">$*name</a>|]
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Nothing -> [b|$*name|]
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makeDesc :: Bool -> Maybe Strict.Text -> Maybe Strict.Text -> Builder
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makeDesc nsfw desc nsfwDesc = [b|@4
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<section class=desc>
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<h2>about</h2>
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<div>
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$8*desc'
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$8*nsfwDesc'
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</div>
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</section>
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|]
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where
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desc' = fromMaybe "" desc
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nsfwDesc' = fromMaybe "" $ guard nsfw *> nsfwDesc
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formatDate :: Day -> Builder
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formatDate d =
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let str = formatTime defaultTimeLocale "%e %#B %Y" d in [b|$@str|]
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makeButtonBar :: Strict.Text -> [Image] -> Builder
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makeButtonBar title images =
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case length images of
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0 -> throw $ NoEligibleImages title
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1 -> ""
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_ -> [b|@2
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<nav class=alts>
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<ul id=altlist>
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$6.alts
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</ul>
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</nav>
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|]
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where alts = map (uncurry altButton) $ zip [0..] images
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altButton :: Int -> Image -> Builder
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altButton i (Image {label, path, nsfw, warning}) = [b|@6
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<li$nsfwClass>
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<input type=radio$checked id="$idLabel" name=variant
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autocomplete=off value="$@path'"
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data-link="$@path"$warning'>
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<label for="$idLabel">$*label</label>
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|]
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where
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nsfwClass = if nsfw then " class=nsfw" else ""
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checked = if i == 0 then " checked" else ""
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idLabel = escId label
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path' = pageFile path
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warning' = ifJust warning \w -> [b| data-warning="$*w"|]
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escId :: Strict.Text -> Builder
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escId = foldMap esc1 . Strict.unpack where
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esc1 c
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| Char.isSpace c = ""
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| c < 'ÿ' && not (Char.isAlphaNum c || c == '-') = "_"
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| otherwise = [b|$'c|]
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makeTags :: Bool -> [Strict.Text] -> [Strict.Text] -> Builder
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makeTags nsfw sfwTags nsfwTags =
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if null tags then "" else [b|@4
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<section class=tags>
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<h2>tags</h2>
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<ul>
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$8.tagList
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</ul>
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</section>
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|]
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where
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tagList = map makeTag tags
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makeTag t = [b|<li>$*t|]
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tags = List.nub $ if nsfw then sfwTags <> nsfwTags else sfwTags
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extLinks :: Bool -> [Link] -> Builder
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extLinks nsfw allLinks =
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if null links then "" else [b|@4
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<section class=links>
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<h2>links</h2>
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<ul>
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$8.linkList
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</ul>
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</section>
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|]
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where
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links = if nsfw then allLinks else filter #sfw allLinks
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linkList = map extLink links
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extLink :: Link -> Builder
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extLink (Link {title, url}) = [b|@6
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<li>
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<a href="$*url">
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$*title
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</a>
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|]
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