Pobieranie tytulow artykulow.

ShadowLibrary/Core.hs

@@ -33,7 +33,7 @@ import Data.Tree.NTree.TypeDefs
 import Data.Maybe
 import Control.Monad.Trans
 import Text.XML.HXT.XPath
--- import Text.XML.HXT.Curl
+import Text.XML.HXT.Curl
 import Text.XML.HXT.HTTP
 
 import Text.Regex.TDFA
@@ -64,8 +64,8 @@ downloadDocument = readFromDocument [withParseHTML yes,
                                      withEncodingErrors no,
                                      withPreserveComment yes,
                                      withStrictInput yes,
-                                     withHTTP []
---                                     withCurl [("curl--user-agent","AMU Digital Libraries Indexing Agent")]
+--                                     withHTTP []
+                                     withCurl [("curl--user-agent","AMU Digital Libraries Indexing Agent")]
                                     ]
 
 downloadDocumentWithEncoding enc = readFromDocument [withParseHTML yes,
@@ -73,13 +73,13 @@ downloadDocumentWithEncoding enc = readFromDocument [withParseHTML yes,
                                                      withEncodingErrors no,
                                                      withPreserveComment yes,
                                                      withInputEncoding enc,
-					             withHTTP []]		
---                                                     withCurl []]
+--                       		             withHTTP []]
+                                                     withCurl []]
 
 downloadXmlDocument = readFromDocument [withWarnings no,
                                         withEncodingErrors no,
-					withHTTP []]
---                                        withCurl [] ]
+--					withHTTP []]
+                                        withCurl [] ]
 
 
 data ShadowLibrary = ShadowLibrary { logoUrl :: Maybe String,

app/almanachmuszyny.hs

@@ -4,7 +4,7 @@ import ShadowLibrary.Core
 
 import Text.XML.HXT.Core
 import Text.XML.HXT.XPath
--- import Text.XML.HXT.Curl
+--import Text.XML.HXT.Curl
 import Data.List
 import Data.List.Utils (replace)
 

app/elektronikapraktyczna.hs

@@ -0,0 +1,105 @@
+
+{-# LANGUAGE Arrows, NoMonomorphismRestriction #-}
+import ShadowLibrary.Core
+
+import Text.XML.HXT.Core
+import Text.XML.HXT.XPath
+-- import Text.XML.HXT.Curl
+import Data.List
+import Data.List.Utils (replace)
+
+import Text.Regex.Posix
+import Text.Printf
+
+import Data.Char (toLower)
+
+class Nothingish a where
+    nada :: a
+instance Nothingish [a] where
+    nada = []
+
+eliminate :: (Nothingish a) => Maybe a -> a
+eliminate (Just a) = a
+eliminate Nothing  = nada
+
+toLowerString :: [Char] -> [Char]
+toLowerString str = [ toLower x | x <- str]
+
+mToString :: Maybe String -> String
+mToString n 
+  | n == Nothing = ""
+  | otherwise = eliminate n
+
+extractMonth :: String -> String
+extractMonth n =
+  case n =~~ ("[A-za-z]+" :: String) of
+    Just month -> "-" ++ eliminate (baseMonthNameToNumber (toLowerString month))
+    otherwise -> ""
+
+mExtractYear :: String -> String
+mExtractYear n =
+  case n =~~ ("(1[6789]|20)[0-9][0-9]" :: String) of
+    Just year -> year
+    otherwise -> ""
+
+changeDate :: String -> Maybe String
+changeDate a = Just (eliminate (extractYear a) ++ extractMonth a)
+
+extractLinksWithArticleTitle xpathCondition = (downloadDocument &&& this)
+                                      >>> first (getXPathTrees xpathCondition
+                                                >>> (
+                                                  (getXPathTrees "//div[@class='text']" >>> (listA (deep isText >>> getText)
+                                                            >>> arr (intercalate " "))) 
+                                                    &&& 
+                                                    (getXPathTrees "//div[@class='files__item']/a[contains(@href,'.pdf')]" >>> (getAttrValue "href"))
+                                                ))
+
+--extractRecords = extractLinksWithText "(//a[@class='magazine-list__year-item'])[last()]"  -- pary adres-tytuł
+extractRecords = extractLinksWithText "//a[@class='magazine-list__year-item']"  -- pary adres-tytuł
+                 >>> second (arr $ replace "\r\n                        " "") -- czyścimy drugi element pary, czyli tytuł z niepotrzebnych białych znaków
+                 >>> second (arr $ replace "    " "") -- czyścimy drugi element pary, czyli tytuł z niepotrzebnych białych znaków
+--                 >>> first (arr ((++"tr") . init))  -- modyfikujemy pierwszy element pary, czyli adres URL
+                 >>> first (extractLinksWithText "//div[@class='magazine-list__item']/a") -- pobieramy stronę z adresu URL i wyciągamy linki z tej strony pasujące do wyrażenia XPathowego
+                 >>> first (second (arr $ replace "\r\n                                " ""))
+                 >>> first (first (
+                                    -- extractLinksWithArticleTitle "//div[@class='files__item']/a[contains(@href,'.pdf')]" 
+                                    (extractLinksWithArticleTitle "//div[@class='magazine-single__content-title article text']")
+                                    >>> 
+                                                first (
+                                                  first (arr $ replace "                                                                                    " "")
+                                                  >>> first (arr $ replace "\r\n        " "")
+                                                )
+                                                -- >>> first (arr $ replace "\r\n" "")
+                                    -- >>> first (arr $ replace "//" "/")
+                                  )
+                                  -- >>> second (arr $ changeDate) -- Zmiana nazwy miesiąca na wartość liczbową
+                                  >>> second (arr $ replace "                                " "") >>> second (arr $ replace "     " "")
+                            ) -- pobieramy stronę z adresu URL i wyciągamy linki z tej strony pasujące do wyrażenia XPathowego
+                 -- ostatecznie wyjdą trójki ((adres URL, tytuł artykułu), tytuł rocznika)
+
+-- ... a tutaj te trójki przerabiamy do docelowej struktury ShadowItem
+toShadowItem :: ((((String, String), String), String), String) -> ShadowItem
+toShadowItem ((((chapterTitle, url), finalUrl), articleTitle), yearlyTitle) =
+  (defaultShadowItem url title) {
+    originalDate = changeDate articleTitle,
+    itype = "periodical",
+    format = Just "pdf",
+    finalUrl = finalUrl
+    }
+  where title = "Elektronika Praktyczna  " ++ articleTitle ++ " - " ++ chapterTitle 
+        date = yearlyTitle
+
+getDate yearlyTitle =
+  case yearlyTitle =~~ "/(19[0-9][0-9]|20[0-9][0-9])/" :: Maybe [[String]] of
+    Just [[_, year]] -> year
+    otherwise -> error $ "unexpected yearlyTitle: " ++ yearlyTitle
+
+
+main = do
+    let start = "https://ep.com.pl/archiwum/"
+    let shadowLibrary = ShadowLibrary {logoUrl=Nothing,
+                                       lname="Elektronika praktyczna",
+                                       abbrev="EP",
+                                       lLevel=0,
+                                       webpage=start}
+    extractItemsStartingFromUrl shadowLibrary start (extractRecords >>> arr toShadowItem)

shadow-library.cabal

@@ -2,11 +2,11 @@ name:                shadow-library
 version:             0.1.0.0
 synopsis:            Initial project template from stack
 description:         Please see README.md
-homepage:            http://github.com/name/project
+homepage:            https://git.wmi.amu.edu.pl/s426206/twilight-library.git
 license:             Proprietary
 license-file:        LICENSE
-author:              Your name here
-maintainer:          your.address@example.com
+author:              Jan Nowak
+maintainer:          jannow2@st.amu.edu.pl
 -- copyright:
 category:            Web
 build-type:          Simple
@@ -20,6 +20,7 @@ library
                      , HTTP
                      , hxt
                      , hxt-http
+                     , hxt-curl
                      , hxt-xpath
                      , MissingH
                      , monad-logger
@@ -47,13 +48,14 @@ library
 --                       , shadow-library
 --    default-language:    Haskell2010
 
-executable almanachmuszyny
+executable elektronikapraktyczna
    hs-source-dirs:      app
-   main-is:             almanachmuszyny.hs
+   main-is:             elektronikapraktyczna.hs
    ghc-options:         -threaded -rtsopts -with-rtsopts=-N
    build-depends:       base
                       , hxt
                       , hxt-xpath
+                      , hxt-curl
                       , MissingH
                       , regex-posix
                       , shadow-library
@@ -62,4 +64,4 @@ executable almanachmuszyny
 
 source-repository head
   type:     git
-  location: https://github.com/name/project
+  location: https://git.wmi.amu.edu.pl/s426206/twilight-library.git

stack.yaml.lock

@@ -0,0 +1,19 @@
+# This file was autogenerated by Stack.
+# You should not edit this file by hand.
+# For more information, please see the documentation at:
+#   https://docs.haskellstack.org/en/stable/lock_files
+
+packages:
+- completed:
+    hackage: hxt-xpath-9.1.2.2@sha256:9cd590ae93a04573db8f90fa4094625ebd97dded45da7667c577ce6b38a42900,1999
+    pantry-tree:
+      size: 2225
+      sha256: aee2f75974e868ff429b8ff349a29667536c60397098f5dfedc968d1951511bb
+  original:
+    hackage: hxt-xpath-9.1.2.2
+snapshots:
+- completed:
+    size: 507596
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/11/9.yaml
+    sha256: 42f472dbf06482da1b3319241f3e3b3593a45bd7d4f537d2789f21386b9b2ad3
+  original: lts-11.9