test

app/bip.hs

@@ -0,0 +1,71 @@
+
+{-# LANGUAGE Arrows, NoMonomorphismRestriction #-}
+import ShadowLibrary.Core
+
+import Text.XML.HXT.Core
+import Text.XML.HXT.XPath
+import Data.List
+import Data.List.Utils (replace)
+
+import Text.Regex.Posix
+import Text.Printf
+import System.IO
+
+
+extractYears = extractLinksWithText "//div[@class='inner clearfix']//div[@class='row']//div[@class='col-sm-6']//ul//li//a" -- pary adres-tytuł
+runYearsExtractor url = runX $ (arr (const url) >>> setTraceLevel 1 >>> extractYears)
+
+extractNewFiles = extractLinksWithText "//a[@title='Pobierz plik']" -- pary adres-tytuł
+runNewFilesExtractor url = runX $ (arr (const url) >>> setTraceLevel 1 >>> extractNewFiles)
+
+extractOldFiles = extractLinksWithText "//div[@class='content']//div[@class='inner clearfix']//ul//li//a" -- pary adres-tytuł
+runOldFilesExtractor url = runX $ (arr (const url) >>> setTraceLevel 1 >>> extractOldFiles)
+
+--367-376
+extractOldYears = extractLinksWithText "//nav[@class='nav-left']//ul//li[@class='single-article']/a" -- pary adres-tytuł
+runOldYearsExtractor url = runX $ (arr (const url) >>> setTraceLevel 1 >>> extractOldYears)
+
+mapToUrl :: ([Char], [Char]) -> [Char]
+mapToUrl (url, title) = url
+
+merge [] ys = ys
+merge (x:xs) ys = x:merge ys xs
+
+repeatNTimes 0 = return []
+repeatNTimes n = do
+  let link = "https://bip.um.gdynia.pl/module/Contents/controller/Default/action/loadSubcategory/subcategory_id/" ++ show (377-n)
+  items <- runOldYearsExtractor link
+  let urls = map mapToUrl items
+  recursive <- repeatNTimes (n-1)
+  let results = merge urls recursive
+  return results
+
+flatten :: [[a]] -> [a]         
+flatten xs = (\z n -> foldr (\x y -> foldr z y x) n xs) (:) []
+
+getAllPages url = do
+  items <- runYearsExtractor url
+  let urls = map mapToUrl items
+  newFiles <- mapM runNewFilesExtractor urls
+  let fileUrls = map mapToUrl (flatten newFiles)
+  return fileUrls
+
+getOldFiles = do
+  oldPages <- repeatNTimes 10
+  --let sub = take 2 oldPages
+  oldFiles <- mapM runOldFilesExtractor oldPages
+  let fileUrls = map mapToUrl (flatten oldFiles)
+  return fileUrls
+
+main = do
+    let start = "https://bip.um.gdynia.pl/wyszukiwarka-uchwal-rady-miasta,7485/wyszukiwarka-uchwal,504923"
+    oldResults <- getOldFiles
+    oldF <- openFile "oldFiles.json" WriteMode
+    hPrint oldF oldResults
+    hClose oldF
+
+    --print (length results)
+    newResults <- getAllPages start
+    newF <- openFile "newFiles.json" WriteMode
+    hPrint newF newResults
+    hClose newF

shadow-library.cabal

@@ -72,6 +72,18 @@ executable pbsociety
                       , shadow-library
    default-language:    Haskell2010
 
+executable bip
+   hs-source-dirs:      app
+   main-is:             bip.hs
+   ghc-options:         -threaded -rtsopts -with-rtsopts=-N
+   build-depends:       base
+                      , hxt
+                      , hxt-xpath
+                      , MissingH
+                      , regex-posix
+                      , shadow-library
+   default-language:    Haskell2010
+
 source-repository head
   type:     git
   location: https://github.com/name/project