forked from filipg/twilight-library
Zwracanie Nothing zamiast pustego stringa, dodanie funkcji mapującej
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20
app/ptd.hs
20
app/ptd.hs
@ -26,7 +26,7 @@ extractRecords = extractLinksWithText "//div[@class='entry-content']/p/a[contain
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toShadowItem :: ((String, String), String) -> ShadowItem
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toShadowItem :: ((String, String), String) -> ShadowItem
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toShadowItem ((url, articleTitle), magazineTitle) =
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toShadowItem ((url, articleTitle), magazineTitle) =
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(defaultShadowItem url title) {
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(defaultShadowItem url title) {
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originalDate = Just date,
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originalDate = date,
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itype = "periodical",
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itype = "periodical",
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format = Just "pdf",
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format = Just "pdf",
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finalUrl = url
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finalUrl = url
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@ -34,14 +34,24 @@ toShadowItem ((url, articleTitle), magazineTitle) =
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where title = magazineTitle ++ " - " ++ (replace " \8211 pdf" "" articleTitle)
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where title = magazineTitle ++ " - " ++ (replace " \8211 pdf" "" articleTitle)
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date = getYear url
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date = getYear url
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getYear :: String -> String
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getYear :: String -> Maybe String
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getYear url =
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getYear url =
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case url =~~ "/(rocznik[0-9][0-9])/" :: Maybe [[String]] of
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case url =~~ "/(rocznik[0-9][0-9])/" :: Maybe [[String]] of
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Just [[_, raw_year]] -> "19" ++ (replace "rocznik" "" raw_year)
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Just [[_, raw_year]] -> Just (catalogueMapper (replace "rocznik" "" raw_year))
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otherwise -> case url =~~ "/(19[0-9][0-9]|20[0-9][0-9])/" :: Maybe [[String]] of
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otherwise -> case url =~~ "/(19[0-9][0-9]|20[0-9][0-9])/" :: Maybe [[String]] of
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Just [[_, year]] -> year
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Just [[_, year]] -> (Just year)
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otherwise -> ""
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otherwise -> Nothing
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-- Rozwiązanie także zadziała
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-- catalogueMapper :: String -> String
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-- catalogueMapper number = show((read number :: Integer) + 1952)
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catalogueMapper :: String -> String
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catalogueMapper number
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| number == "67" = "2019"
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| number == "66" = "2018"
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| number == "65" = "2017"
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| number == "64" = "2016"
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main = do
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main = do
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let baseUrl = "https://www.ptd.pl/?page_id=7"
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let baseUrl = "https://www.ptd.pl/?page_id=7"
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@ -9,9 +9,10 @@ stack exec ptd
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## Przykładowa krotka wynikowa:
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## Przykładowa krotka wynikowa:
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Tytuł w postaci Wydawnictwo - Tytuł
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Tytuł w postaci Wydawnictwo - Tytuł
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```
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```
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ShadowItem {url = Just "http://www.ptd.pl/ptd/wp-content/download/2014/7-Plyty.pdf", title = "Pe\322ne teksty Rocznik\243w PTD, pocz\261wszy od zeszytu 57; \nwersja online \8211 ISSN 2300-8326 - PIOTR DASZKIEWICZ \nP\322yty miedziane i miedzioryty Pierre Richer de Bellevala (1555-1632) w Rzeczpospolitej Obojga Narod\243w \8211 z punktu widzenia historii botaniki\8211 \nPierre Richer de Belleval\8217s (1555-1632) copperplates in the Polish-Lithuanian Commonwealth from the point of view of the history of botany ", itype = "periodical", originalDate = Just "2014", creator = Nothing, format = Just "pdf", lang = Just "pol", finalUrl = "http://www.ptd.pl/ptd/wp-content/download/2014/7-Plyty.pdf", description = Nothing}
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ShadowItem {url = Just "http://www.ptd.pl/ptd/wp-content/download/wydawnictwaPTD/rocznik67/12_R_67_Digitalizacja.pdf", title = "Pe\322ne teksty Rocznik\243w PTD, pocz\261wszy od zeszytu 57; \nwersja online \8211 ISSN 2300-8326 - DOMINIK TOMASZEWSKI \nDigitalizacja zbior\243w zielnikowych \8211 krok w dobr\261 stron\281\8211 \nDigitisation of herbarium collections \8211 a step in the right direction \8211 \160pdf", itype = "periodical", originalDate = Just "2019", creator = Nothing, format = Just "pdf", lang = Just "pol", finalUrl = "http://www.ptd.pl/ptd/wp-content/download/wydawnictwaPTD/rocznik67/12_R_67_Digitalizacja.pdf", description = Nothing}
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```
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```
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W przypadku braku roku znajduje się pusty string
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W przypadku braku roku zwrócone zostanie ```Nothing```
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## Dodatkowe paczki zainstalowane na potrzebę uruchomienia programu:
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## Dodatkowe paczki zainstalowane na potrzebę uruchomienia programu:
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```bash
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```bash
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apt-get install libcurl4-gnutls-dev
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apt-get install libcurl4-gnutls-dev
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