199 lines
5.0 KiB
Haskell
199 lines
5.0 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 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 qualified Data.Time.Calendar as Time
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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@(Info {date, title, artist}) = [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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<script async src=/script/single.js></script>
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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">$formattedDate</h2>
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</header>
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$buttonBar
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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="$@path0'">
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</a>
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</figure>
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<section id=info>
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$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 id=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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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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images = imagesFor nsfw info
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descSection = makeDesc $ descFor nsfw info
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tagsList = makeTags $ tagsFor nsfw info
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linksList = extLinks $ linksFor nsfw info
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prefetches = map makePrefetch $ tail images
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makePrefetch (Image {path}) = [b|<link rel=prefetch href=$@path>|]
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warning' = ifJust (#warning image0) \w -> [b|@4
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<figcaption id=cw aria-role=button tabindex=0>
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<span id=cw-text>cw: <b>$*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 :: Strict.Text -> Builder
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makeDesc desc = [b|@4
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<section id=desc>
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<h2>about</h2>
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<div>
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$8*desc
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</div>
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</section>
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|]
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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|@0
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<nav id=alts>
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<ul class="buttonbar choice">
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$4.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|@4
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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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makeTags :: [Strict.Text] -> Builder
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makeTags tags =
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if null tags then "" else [b|@4
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<section id=tags>
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<h2>tags</h2>
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<ul class=buttonbar>
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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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extLinks :: [Link] -> Builder
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extLinks links =
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if null links then "" else [b|@4
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<section id=links>
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<h2>links</h2>
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<ul class=buttonbar>
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$8.linkList
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</ul>
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</section>
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|]
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where linkList = map extLink links
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extLink :: Link -> Builder
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extLink (Link {title, url}) = [b|@6
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<li>
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<a href="$*url">
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$*title
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</a>
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|]
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formatDate :: Day -> Builder
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formatDate date = [b|$*week $day $*month $^year|] where
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(year, month', day') = Time.toGregorian date
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week' = Time.dayOfWeek date
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day = nth day'
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month = Strict.words "january february march april may june july \
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\august september october november december"
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!! (month' - 1)
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week = Strict.words "mon tue wed thu fri sat sun" !! (fromEnum week' - 1)
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nth :: Int -> Builder
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nth n = [b|$^n$suf|] where
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suf | n >= 10, n <= 19 = "th"
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| n `mod` 10 == 1 = "st"
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| n `mod` 10 == 2 = "nd"
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| n `mod` 10 == 3 = "rd"
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| otherwise = "th"
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