70 lines
2.7 KiB
Haskell
70 lines
2.7 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 Text.XML.HXT.Curl
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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 Data.List.Utils
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extractRecords = extractLinksWithText "//a[@class='ramka']" -- pary adres-tytuł
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>>> first (extractLinksWithText "//div/a[contains(@href, '.zip') and not (contains(@href,'text_offline.zip'))]") -- tutaj wybieramy paczki zip z plikami DjVu, jeśli byśmy chcieli bezpośrednio format DjVu wystarczy trochę zmienić zapytanie XPatha.
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-- ... a tutaj te trójki przerabiamy do docelowej struktury ShadowItem
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toShadowItem :: ((String, String), String) -> ShadowItem
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toShadowItem ((url, articleTitle), yearlyTitle) =
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(defaultShadowItem url title) {
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originalDate = Just newDate,
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itype = "periodical",
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format = Just "zip",
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finalUrl = url
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}
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where title = "Tajemnica Atari " ++ yearlyTitle ++ " " ++ (replace "\r\n" "" (replace "\r\n " "" articleTitle))
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date = getDate url
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splitDate = split "_" date
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month = splitDate !! 0
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year = splitDate !! 1
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newDate = newFormatDate month year
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getDate url =
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case url =~~ "/([1-9]_9[0-9]|1[0-2]_9[0-9]|[1-9]-[1-9]_9[0-9]|1[0-2]-1[0-2]_9[0-9])/" :: Maybe [[String]] of
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Just [[_, year]] -> year
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otherwise -> error $ "unexpected url: " ++ url
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newFormatDate :: String -> String -> String
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newFormatDate month year =
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if month =~ "^[1-9]$" then "19" ++ year ++ "-0" ++ month
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else if month =~ "^1[0-2]$" then "19" ++ year ++ "-" ++ month
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else splittedMonth month year
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splittedMonth :: String -> String -> String
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splittedMonth month year = do
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if month =~ "^1*[0-9]-1*[0-9]$" then do
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let firstMonth = split "-" month !! 0
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let secondMonth = split "-" month !! 1
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if firstMonth =~ "^[1-9]$" && secondMonth =~ "^[1-9]$" then "19" ++ year ++ "-0" ++ firstMonth ++ "-0" ++ secondMonth
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else if firstMonth =~ "^[1-9]$" && secondMonth =~ "^1[0-9]$" then "19" ++ year ++ "-0" ++ firstMonth ++ "-" ++ secondMonth
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else if firstMonth =~ "^1[1-9]$" && secondMonth =~ "^1[0-9]$" then "19" ++ year ++ "-" ++ firstMonth ++ "-" ++ secondMonth
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else "wrong date"
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else "wrong date"
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main = do
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let start = "http://krap.pl/mirrorz/atari/horror.mirage.com.pl/pixel/"
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let shadowLibrary = ShadowLibrary {logoUrl=Nothing,
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lname="Tajemnica Atari",
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abbrev="TA",
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lLevel=0,
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webpage=start}
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extractItemsStartingFromUrl shadowLibrary start (extractRecords >>> arr toShadowItem)
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