forked from filipg/twilight-library
72 lines
2.4 KiB
Haskell
72 lines
2.4 KiB
Haskell
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{-# LANGUAGE Arrows, NoMonomorphismRestriction #-}
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import ShadowLibrary.Core
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import Text.XML.HXT.Core
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import Text.XML.HXT.XPath
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import Data.List
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import Data.List.Utils (replace)
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import Text.Regex.Posix
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import Text.Printf
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import System.IO
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extractYears = extractLinksWithText "//div[@class='inner clearfix']//div[@class='row']//div[@class='col-sm-6']//ul//li//a" -- pary adres-tytuł
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runYearsExtractor url = runX $ (arr (const url) >>> setTraceLevel 1 >>> extractYears)
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extractNewFiles = extractLinksWithText "//a[@title='Pobierz plik']" -- pary adres-tytuł
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runNewFilesExtractor url = runX $ (arr (const url) >>> setTraceLevel 1 >>> extractNewFiles)
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extractOldFiles = extractLinksWithText "//div[@class='content']//div[@class='inner clearfix']//ul//li//a" -- pary adres-tytuł
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runOldFilesExtractor url = runX $ (arr (const url) >>> setTraceLevel 1 >>> extractOldFiles)
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--367-376
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extractOldYears = extractLinksWithText "//nav[@class='nav-left']//ul//li[@class='single-article']/a" -- pary adres-tytuł
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runOldYearsExtractor url = runX $ (arr (const url) >>> setTraceLevel 1 >>> extractOldYears)
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mapToUrl :: ([Char], [Char]) -> [Char]
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mapToUrl (url, title) = url
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merge [] ys = ys
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merge (x:xs) ys = x:merge ys xs
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repeatNTimes 0 = return []
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repeatNTimes n = do
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let link = "https://bip.um.gdynia.pl/module/Contents/controller/Default/action/loadSubcategory/subcategory_id/" ++ show (377-n)
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items <- runOldYearsExtractor link
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let urls = map mapToUrl items
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recursive <- repeatNTimes (n-1)
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let results = merge urls recursive
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return results
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flatten :: [[a]] -> [a]
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flatten xs = (\z n -> foldr (\x y -> foldr z y x) n xs) (:) []
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getAllPages url = do
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items <- runYearsExtractor url
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let urls = map mapToUrl items
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newFiles <- mapM runNewFilesExtractor urls
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let fileUrls = map mapToUrl (flatten newFiles)
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return fileUrls
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getOldFiles = do
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oldPages <- repeatNTimes 10
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--let sub = take 2 oldPages
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oldFiles <- mapM runOldFilesExtractor oldPages
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let fileUrls = map mapToUrl (flatten oldFiles)
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return fileUrls
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main = do
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let start = "https://bip.um.gdynia.pl/wyszukiwarka-uchwal-rady-miasta,7485/wyszukiwarka-uchwal,504923"
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oldResults <- getOldFiles
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oldF <- openFile "oldFiles.json" WriteMode
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hPrint oldF oldResults
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hClose oldF
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--print (length results)
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newResults <- getAllPages start
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newF <- openFile "newFiles.json" WriteMode
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hPrint newF newResults
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hClose newF
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