src/lib/haskell/Parser/OuestFranceParser.hs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

module Parser.OuestFranceParser
  ( parse
  ) where

import           Data.Maybe        (catMaybes)
import           Data.Text         (Text)
import qualified Data.Text         as T
import           Text.HTML.TagSoup

import           Model.Ad          (Ad (Ad))
import           Parser.Utils

parse :: Text -> [Ad]
parse page =
  catMaybes . fmap parseAd $ partitions (~== (T.unpack "<a>")) tags
  where tags = getTagsBetween "<div id=listAnnonces>" "<div id=interactions>" (parseTags page)

parseAd :: [Tag Text] -> Maybe Ad
parseAd tags = do
  name <- getTagTextAfter "<span class=annTitre>" tags
  location <- getTagTextAfter "<span class=annVille>" tags
  let price = getTagTextAfter "<span class=annPrix>" tags
  let startUrl = "https://www.ouestfrance-immo.com/"
  url <- getTagAttribute "<a>" "href" tags
  return (Ad name location price (T.concat [startUrl, url]))