430 lines
16 KiB
Haskell
430 lines
16 KiB
Haskell
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{-# LANGUAGE QuasiQuotes, TemplateHaskell, TypeFamilies, OverloadedStrings #-}
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{-# LANGUAGE GADTs, FlexibleContexts #-}
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{-# LANGUAGE Arrows, NoMonomorphismRestriction #-}
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{-# LANGUAGE MultiParamTypeClasses #-}
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{-# LANGUAGE GeneralizedNewtypeDeriving #-}
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module ShadowLibrary.Core where
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import Database.Persist
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import Database.Persist.TH
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import Database.Persist.Postgresql
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import Control.Monad.IO.Class (liftIO)
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import Control.Monad.Logger (runNoLoggingT)
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import Control.Monad.Trans.Resource (runResourceT)
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import Control.Monad.Reader
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import Data.Time
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import Data.Time.Calendar
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import Data.Time.LocalTime
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import Data.Time.Zones
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import Data.Time.Zones.All
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import Data.String.Utils (strip)
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import Data.List.Utils as DLU
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import Text.XML.HXT.Core
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import Network.HTTP
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import Network.URI
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import Control.Monad.Trans.Maybe
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import Control.Monad
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import Data.Tree.NTree.TypeDefs
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import Data.Maybe
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import Control.Monad.Trans
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import Text.XML.HXT.XPath
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import Text.XML.HXT.Curl
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import Text.XML.HXT.HTTP
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import Text.Regex.TDFA
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import Data.List (isInfixOf, intercalate)
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import Data.List.Utils (replace)
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import Network.Curl.Opts
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polishTimeZone = TimeZone {
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timeZoneMinutes = 120,
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timeZoneSummerOnly = True,
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timeZoneName = ""}
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openUrl :: String -> MaybeT IO String
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openUrl url = case parseURI url of
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Nothing -> fail ""
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Just u -> liftIO (getResponseBody =<< simpleHTTP (mkRequest GET u))
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getWebPage :: String -> IO (IOSArrow XmlTree (NTree XNode))
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getWebPage url = do
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contents <- runMaybeT $ openUrl url
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return $ readString [withParseHTML yes, withWarnings no] (fromMaybe "" contents)
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downloadDocument = readFromDocument [withParseHTML yes,
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withWarnings no,
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withEncodingErrors no,
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withPreserveComment yes,
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withStrictInput yes,
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-- withHTTP []
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withCurl [("curl--user-agent","AMU Digital Libraries Indexing Agent")]
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]
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downloadDocumentWithEncoding enc = readFromDocument [withParseHTML yes,
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withWarnings no,
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withEncodingErrors no,
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withPreserveComment yes,
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withInputEncoding enc,
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withCurl []]
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downloadXmlDocument = readFromDocument [withWarnings no,
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withEncodingErrors no,
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withCurl [] ]
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data ShadowLibrary = ShadowLibrary { logoUrl :: Maybe String,
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lname :: String,
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abbrev :: String,
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webpage :: String,
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lLevel :: Int }
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data ShadowItem = ShadowItem {
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url :: Maybe String,
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title :: String,
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itype :: String,
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originalDate :: Maybe String,
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creator :: Maybe String,
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format :: Maybe String,
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lang :: Maybe String,
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finalUrl :: String,
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description :: Maybe String
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} deriving (Show)
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defaultShadowItem url title = ShadowItem {
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url = Just url,
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title = title,
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itype = "periodical",
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originalDate = Nothing,
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creator = Nothing,
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format = Just "pdf",
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lang = Just "pol",
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finalUrl = url,
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description = Nothing }
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share [mkPersist sqlSettings, mkMigrate "migrateAll"] [persistLowerCase|
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Library sql=libraries
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logoUrl String Maybe sql=logo_url
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lname String
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abbrev String
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UniqueLname lname
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UniqueAbbrev abbrev
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webpage String Maybe
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numberOfInstitutions Int Maybe sql=number_of_institutions
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availablePublications Int Maybe sql=available_publications
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plannedPublication Int Maybe sql=planned_publication
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oaiAvailable String Maybe sql=oai_available
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oaiPlanned String Maybe sql=oai_planned
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lLevel Int Maybe sql=llevel
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deriving Show
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Item sql=items
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url String Maybe
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wid String Maybe
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title String Maybe
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body String Maybe
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address String Maybe
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itype String
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published UTCTime Maybe
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modified UTCTime Maybe
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durationStart UTCTime Maybe sql=duration_start
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durationEnd UTCTime Maybe sql=duration_end
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-- added UTCTime default=now()
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parent Int Maybe
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arenaDir String Maybe sql=arena_dir
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creator String Maybe
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subject String Maybe
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description String Maybe
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publisher String Maybe
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contributor String Maybe
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originalDate String Maybe sql=original_date
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originalType String Maybe sql=original_type
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format String Maybe
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originalIdentifier String Maybe sql=original_identifier
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originalSource String Maybe sql=original_source
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lang String Maybe
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relation String Maybe
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coverage String Maybe
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rights String Maybe
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library LibraryId
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finalUrl String Maybe sql=final_url
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downloaded Bool
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totbibbed Bool
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oaiIdentifier String Maybe sql=oai_identifier
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deriving Show
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|]
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defaultItem libraryId = Item {
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itemUrl = Nothing,
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itemWid = Nothing,
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itemTitle = Nothing,
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itemBody = Nothing,
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itemAddress = Nothing,
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itemItype = "periodical",
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itemPublished = Nothing,
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itemModified = Nothing,
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itemDurationStart = Nothing,
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itemDurationEnd = Nothing,
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-- itemAdded = Nothing,
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itemParent = Nothing,
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itemArenaDir = Nothing,
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itemCreator = Nothing,
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itemSubject = Nothing,
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itemDescription = Nothing,
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itemPublisher = Nothing,
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itemContributor = Nothing,
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itemOriginalDate = Nothing,
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itemOriginalType = Nothing,
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itemFormat = Just "pdf",
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itemOriginalIdentifier = Nothing,
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itemOriginalSource = Nothing,
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itemLang = Just "pol",
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itemRelation = Nothing,
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itemCoverage = Nothing,
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itemRights = Nothing,
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itemLibrary = libraryId,
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itemFinalUrl = Nothing,
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itemDownloaded = False,
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itemTotbibbed = False,
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itemOaiIdentifier = Nothing}
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shadowToOAI :: ShadowLibrary -> Library
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shadowToOAI shadowLibrary = Library (logoUrl shadowLibrary) (lname shadowLibrary) (abbrev shadowLibrary) (Just $ webpage shadowLibrary) Nothing Nothing Nothing Nothing Nothing (Just $ lLevel shadowLibrary)
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shadowItemToOAI libraryId shadowItem = (defaultItem libraryId) {
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itemUrl = url shadowItem,
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itemTitle = Just $ strip $ title shadowItem,
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itemItype = itype shadowItem,
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itemOriginalDate = originalDate shadowItem,
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itemCreator = creator shadowItem,
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itemFormat = format shadowItem,
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itemLang = lang shadowItem,
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itemFinalUrl = Just $ finalUrl shadowItem,
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itemDurationStart = durationStart,
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itemDurationEnd = durationEnd,
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itemDescription = description shadowItem
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}
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where
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(durationStart, durationEnd) = getDuration $ originalDate shadowItem
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getDuration :: Maybe String -> (Maybe UTCTime, Maybe UTCTime)
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getDuration Nothing = (Nothing, Nothing)
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getDuration (Just date) =
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case date =~~ ("^(1[6789]|20)[0-9][0-9]$" :: String) of
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Just year -> (Just (yearStart year), Just (yearEnd year))
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otherwise ->
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case date =~~ ("^((1[789]|20)[0-9][0-9])-(0[1-9]|1[0-2])$" :: String) :: Maybe [[String]] of
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Just [[_, year, _, month]] -> (Just (monthStart year month), Just (monthEnd year month))
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otherwise ->
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case date =~~ ("^((1[789]|20)[0-9][0-9])-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01])$" :: String) :: Maybe [[String]] of
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Just [[_, year, _, month, day]] -> (Just (dayStart year month day), Just (dayEnd year month day))
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otherwise ->
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case date =~~ ("^((1[789]|20)[0-9][0-9])-((1[789]|20)[0-9][0-9])$" :: String) :: Maybe [[String]] of
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Just [[_, yearb, _, yeare, _]] -> (Just (yearStart yearb), Just (yearEnd yeare))
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otherwise -> (Nothing, Nothing)
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where
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yearAsInteger year = (read year) :: Integer
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monthAsInt month = (read month) :: Int
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dayAsInt day = (read day) :: Int
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yearStart year = localTimeToTimeStamp $ LocalTime {
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localDay = fromGregorian (yearAsInteger year) 1 1,
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localTimeOfDay = midnight }
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yearEnd year = localTimeToTimeStamp $ LocalTime {
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localDay = fromGregorian (yearAsInteger year) 12 31,
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localTimeOfDay = lastSecond }
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monthStart year month = localTimeToTimeStamp $ LocalTime {
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localDay = fromGregorian (yearAsInteger year) (monthAsInt month) 1,
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localTimeOfDay = midnight }
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monthEnd year month = localTimeToTimeStamp $ LocalTime {
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localDay = fromGregorian (yearAsInteger year) (monthAsInt month) 31,
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localTimeOfDay = lastSecond }
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dayStart year month day = localTimeToTimeStamp $ LocalTime {
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localDay = fromGregorian (yearAsInteger year) (monthAsInt month) (dayAsInt day),
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localTimeOfDay = midnight }
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dayEnd year month day = localTimeToTimeStamp $ LocalTime {
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localDay = fromGregorian (yearAsInteger year) (monthAsInt month) (dayAsInt day),
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localTimeOfDay = lastSecond }
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lastSecond = TimeOfDay {todHour = 23, todMin = 59, todSec = 59 }
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localTimeToTimeStamp ltime = localTimeToUTCTZ (tzByLabel Europe__Warsaw) ltime
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-- zonedTimeToUTC $ ZonedTime {
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-- zonedTimeToLocalTime = ltime,
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-- zonedTimeZone = timeZoneForUTCTime Europe__Warsaw }
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getLibraryId library = do
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ent <- getBy (UniqueLname $ libraryLname library)
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libraryId <- case ent of
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Just (Entity key _) -> return key
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Nothing -> insert library
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return libraryId
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extractLinks xpathCondition = (downloadDocument &&& this)
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>>> first (getXPathTrees xpathCondition
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>>> getAttrValue "href")
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>>> expandURIFixed
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extractLinksGeneralized xpathCondition attr = (downloadDocument &&& this)
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>>> first (getXPathTrees xpathCondition
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>>> getAttrValue attr)
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>>> expandURIFixed
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rotateSecTh ((a, b), c) = ((a, c), b)
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extractLinksWithText xpathCondition = (downloadDocument &&& this)
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>>> first (getXPathTrees xpathCondition
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>>> (getAttrValue "href"
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&&& (listA (deep isText >>> getText)
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>>> arr (intercalate " "))))
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>>> arr rotateSecTh
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>>> first expandURIFixed
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extractLinksWithTitle xpathCondition = (downloadDocument &&& this)
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>>> first (getXPathTrees xpathCondition
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>>> (getAttrValue "href"
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&&& getAttrValue "title"))
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>>> arr rotateSecTh
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>>> first expandURIFixed
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urlPreFixer = arr (Data.List.Utils.replace "[" stupidLeftBracketMarker . Data.List.Utils.replace "]" stupidRightBracketMarker)
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urlPostFixer = arr (Data.List.Utils.replace stupidLeftBracketMarker "%5B" . Data.List.Utils.replace stupidRightBracketMarker "%5D")
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stupidLeftBracketMarker = "ddsfdfdfdfgfgfrrtrtrrtr"
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stupidRightBracketMarker = "wqweweerererrtrtrtrtrtr"
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expandURIFixed = (urlPreFixer *** urlPreFixer) >>> expandURI >>> urlPostFixer
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extractText = (listA (deep isText >>> getText)
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>>> arr (intercalate " "))
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loopNext extract xpathConditionForNext = initialStep
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>>> loopNextCore extract xpathConditionForNext
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>>> arr fst
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>>> unlistA
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initialList :: [(String, a)]
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initialList = []
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initialStep = arr (const initialList) &&& this
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loopNextCore extract xpathConditionForNext = second
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(listA extract &&& extractNext xpathConditionForNext)
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>>> arr expandList
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>>> ifP (nextFound)
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(second (arr fromJust >>> (downloadDocument &&& this))
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>>> loopNextCore extract xpathConditionForNext)
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(this)
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nextFound :: ([(String,a)], Maybe String) -> Bool
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nextFound (_, Just _) = True
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nextFound (_, Nothing) = False
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expandList (l, (e, n)) = (l ++ e, n)
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extractNext xpathConditionForNext = listA
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(first (getXPathTrees ("(" ++ xpathConditionForNext ++ ")[1]")
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>>> getAttrValue "href")
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>>> expandURIFixed)
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>>> arr listToMaybe
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dbSpecification = "host=localhost dbname=oai"
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dbConnection = withPostgresqlConn dbSpecification
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runOnDb = runNoLoggingT . runResourceT . dbConnection . runSqlConn
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insertIntoDatabase shadowLibrary items = runOnDb $ insertIntoDatabaseCore shadowLibrary items
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insertIntoDatabaseCore :: MonadIO m => ShadowLibrary
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-> [ShadowItem]
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-> ReaderT SqlBackend m ()
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insertIntoDatabaseCore shadowLibrary items = do
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libraryId <- getLibraryId $ shadowToOAI shadowLibrary
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let ritems = map (shadowItemToOAI libraryId) items
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mapM_ insert ritems
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extractFormat :: String -> Maybe String
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extractFormat finalUrl
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| ".gif" `isInfixOf` finalUrl = Just "gif"
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| ".jpg" `isInfixOf` finalUrl = Just "jpg"
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| ".djvu" `isInfixOf` finalUrl = Just "djvu"
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| ".pdf" `isInfixOf` finalUrl = Just "pdf"
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| ".doc" `isInfixOf` finalUrl = Just "doc"
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| otherwise = Nothing
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baseMonthNameToNumber :: String -> Maybe String
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baseMonthNameToNumber "styczeń" = Just "01"
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baseMonthNameToNumber "styczen" = Just "01"
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baseMonthNameToNumber "stycznia" = Just "01"
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baseMonthNameToNumber "luty" = Just "02"
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||
|
|
baseMonthNameToNumber "lutego" = Just "02"
|
||
|
|
baseMonthNameToNumber "marzec" = Just "03"
|
||
|
|
baseMonthNameToNumber "marca" = Just "03"
|
||
|
|
baseMonthNameToNumber "kwiecień" = Just "04"
|
||
|
|
baseMonthNameToNumber "kwiecien" = Just "04"
|
||
|
|
baseMonthNameToNumber "kwietnia" = Just "04"
|
||
|
|
baseMonthNameToNumber "maj" = Just "05"
|
||
|
|
baseMonthNameToNumber "maja" = Just "05"
|
||
|
|
baseMonthNameToNumber "czerwiec" = Just "06"
|
||
|
|
baseMonthNameToNumber "czeerwiec" = Just "06"
|
||
|
|
baseMonthNameToNumber "czerwca" = Just "06"
|
||
|
|
baseMonthNameToNumber "lipiec" = Just "07"
|
||
|
|
baseMonthNameToNumber "lipca" = Just "07"
|
||
|
|
baseMonthNameToNumber "sierpień" = Just "08"
|
||
|
|
baseMonthNameToNumber "sierpien" = Just "08"
|
||
|
|
baseMonthNameToNumber "sierpnia" = Just "08"
|
||
|
|
baseMonthNameToNumber "wrzesień" = Just "09"
|
||
|
|
baseMonthNameToNumber "wrzesien" = Just "09"
|
||
|
|
baseMonthNameToNumber "września" = Just "09"
|
||
|
|
baseMonthNameToNumber "wrzesnia" = Just "09"
|
||
|
|
baseMonthNameToNumber "październik" = Just "10"
|
||
|
|
baseMonthNameToNumber "pażdziernik" = Just "10"
|
||
|
|
baseMonthNameToNumber "pazdziernik" = Just "10"
|
||
|
|
baseMonthNameToNumber "października" = Just "10"
|
||
|
|
baseMonthNameToNumber "pazdziernika" = Just "10"
|
||
|
|
baseMonthNameToNumber "listopad" = Just "11"
|
||
|
|
baseMonthNameToNumber "listopada" = Just "11"
|
||
|
|
baseMonthNameToNumber "grudzień" = Just "12"
|
||
|
|
baseMonthNameToNumber "grudzien" = Just "12"
|
||
|
|
baseMonthNameToNumber "grudnia" = Just "12"
|
||
|
|
baseMonthNameToNumber "jesien" = Just "10"
|
||
|
|
baseMonthNameToNumber _ = Nothing
|
||
|
|
|
||
|
|
extractYear :: String -> Maybe String
|
||
|
|
extractYear n =
|
||
|
|
case n =~~ ("(1[6789]|20)[0-9][0-9]" :: String) of
|
||
|
|
Just year -> Just year
|
||
|
|
otherwise -> Nothing
|
||
|
|
|
||
|
|
|
||
|
|
joinAlts :: [String] -> String
|
||
|
|
joinAlts = intercalate " // "
|
||
|
|
|
||
|
|
clean = arr (DLU.replace "\n" "")
|
||
|
|
>>> arr strip
|
||
|
|
|
||
|
|
extractItems shadowLibrary start extractor = do
|
||
|
|
page <- getWebPage start
|
||
|
|
items <- runX $ extractor start page
|
||
|
|
-- insertIntoDatabase shadowLibrary items
|
||
|
|
putStrLn (show items)
|
||
|
|
|
||
|
|
extractItemsStartingFromUrl shadowLibrary start extractor = do
|
||
|
|
items <- runX $ (arr (const start) >>> setTraceLevel 1 >>> extractor)
|
||
|
|
-- insertIntoDatabase shadowLibrary items
|
||
|
|
mapM_ (putStrLn . show) items
|