package eu.dnetlib.doiboost.crossref import eu.dnetlib.dhp.schema.oaf._ import eu.dnetlib.dhp.utils.DHPUtils import org.apache.commons.lang.StringUtils import org.json4s import org.json4s.DefaultFormats import org.json4s.JsonAST._ import org.json4s.jackson.JsonMethods._ import org.slf4j.Logger import scala.collection.JavaConverters._ class Crossref2Oaf { //STATIC STRING val MAG = "MAG" val ORCID = "ORCID" val CROSSREF = "Crossref" val UNPAYWALL = "UnpayWall" val GRID_AC = "grid.ac" val WIKPEDIA = "wikpedia" val doiBoostNSPREFIX = "doiboost____" val OPENAIRE_PREFIX = "openaire____" val SEPARATOR = "::" val DNET_LANGUAGES = "dnet:languages" val PID_TYPES = "dnet:pid_types" val mappingCrossrefType = Map( "book-section" -> "publication", "book" -> "publication", "book-chapter" -> "publication", "book-part" -> "publication", "book-series" -> "publication", "book-set" -> "publication", "book-track" -> "publication", "edited-book" -> "publication", "reference-book" -> "publication", "monograph" -> "publication", "journal-article" -> "publication", "dissertation" -> "publication", "other" -> "publication", "peer-review" -> "publication", "proceedings" -> "publication", "proceedings-article" -> "publication", "reference-entry" -> "publication", "report" -> "publication", "report-series" -> "publication", "standard" -> "publication", "standard-series" -> "publication", "posted-content" -> "publication", "dataset" -> "dataset" ) val mappingCrossrefSubType = Map( "book-section" -> "0013 Part of book or chapter of book", "book" -> "0002 Book", "book-chapter" -> "0013 Part of book or chapter of book", "book-part" -> "0013 Part of book or chapter of book", "book-series" -> "0002 Book", "book-set" -> "0002 Book", "book-track" -> "0002 Book", "edited-book" -> "0002 Book", "reference-book" -> "0002 Book", "monograph" -> "0002 Book", "journal-article" -> "0001 Article", "dissertation" -> "0006 Doctoral thesis", "other" -> "0038 Other literature type", "peer-review" -> "0015 Review", "proceedings" -> "0004 Conference object", "proceedings-article" -> "0004 Conference object", "reference-entry" -> "0013 Part of book or chapter of book", "report" -> "0017 Report", "report-series" -> "0017 Report", "standard" -> "0038 Other literature type", "standard-series" -> "0038 Other literature type", "dataset" -> "0021 Dataset", "preprint" -> "0016 Preprint", "report" -> "0017 Report" ) def convert(input: String, logger: Logger): Result = { implicit lazy val formats: DefaultFormats.type = org.json4s.DefaultFormats lazy val json: json4s.JValue = parse(input) val objectType = (json \ "type").extractOrElse[String](null) val objectSubType = (json \ "subtype").extractOrElse[String](null) if (objectType == null) return null val result = generateItemFromType(objectType, objectSubType) if (result == null) return result val cOBJCategory = mappingCrossrefSubType.getOrElse(objectType, mappingCrossrefSubType.getOrElse(objectSubType, "0038 Other literature type")); logger.debug(mappingCrossrefType(objectType)) logger.debug(cOBJCategory) //MAPPING Crossref DOI into PID val doi: String = (json \ "DOI").extract[String] result.setPid(List(createSP(doi, "doi", PID_TYPES)).asJava) //MAPPING Crossref DOI into OriginalId result.setOriginalId(List(doi).asJava) //Set identifier as {50|60} | doiboost____::md5(DOI) result.setId(generateIdentifier(result, doi)) // Add DataInfo result.setDataInfo(generateDataInfo()) result.setLastupdatetimestamp((json \ "indexed" \ "timestamp").extract[Long]) result.setDateofcollection((json \ "indexed" \ "date-time").extract[String]) result.setCollectedfrom(List(createCollectedFrom()).asJava) // Publisher ( Name of work's publisher mapped into Result/Publisher) val publisher = (json \ "publisher").extract[String] result.setPublisher(asField(publisher)) // TITLE val mainTitles = for {JString(title) <- json \ "title"} yield createSP(title, "main title", "dnet:dataCite_title") val originalTitles = for {JString(title) <- json \ "original-title"} yield createSP(title, "alternative title", "dnet:dataCite_title") val shortTitles = for {JString(title) <- json \ "short-title"} yield createSP(title, "alternative title", "dnet:dataCite_title") result.setTitle((mainTitles ::: originalTitles ::: shortTitles).asJava) // DESCRIPTION val descriptionList = for {JString(description) <- json \ "abstract"} yield asField(description) result.setDescription(descriptionList.asJava) // Source val sourceList = for {JString(source) <- json \ "source"} yield asField(source) result.setSource(sourceList.asJava) //RELEVANT DATE Mapping val createdDate =generateDate((json \ "created" \"date-time").extract[String],(json \ "created"\"date-parts").extract[List[List[Int]]],"created", "dnet:dataCite_date" ) val postedDate =generateDate((json \ "posted" \"date-time").extractOrElse[String](null),(json \ "posted"\"date-parts").extract[List[List[Int]]],"available", "dnet:dataCite_date" ) val acceptedDate =generateDate((json \ "accepted" \"date-time").extractOrElse[String](null),(json \ "accepted"\"date-parts").extract[List[List[Int]]],"accepted", "dnet:dataCite_date" ) val publishedPrintDate =generateDate((json \ "published-print" \"date-time").extractOrElse[String](null),(json \ "published-print"\"date-parts").extract[List[List[Int]]],"published-print", "dnet:dataCite_date" ) val publishedOnlineDate =generateDate((json \ "published-online" \"date-time").extractOrElse[String](null),(json \ "published-online"\"date-parts").extract[List[List[Int]]],"published-online", "dnet:dataCite_date" ) result.setRelevantdate(List(createdDate ,postedDate, acceptedDate,publishedOnlineDate, publishedPrintDate).asJava) result } def generateDate(dt: String, datePart: List[List[Int]], classId: String, schemeId: String): StructuredProperty = { if (StringUtils.isNotBlank(dt)) return createSP(dt, classId, schemeId) if (datePart != null && datePart.size == 1) { val res = datePart.head if (res.size == 3) { val dp = f"${res.head}-${res(1)}%02d-${res(2)}%02d" println(dp) if (dp.length == 10) { return createSP(dp, classId, schemeId) } } } null } def generateIdentifier(oaf: Result, doi: String): String = { val id = DHPUtils.md5(doi.toLowerCase) if (oaf.isInstanceOf[Dataset]) return s"60|${doiBoostNSPREFIX}${SEPARATOR}${id}" s"50|${doiBoostNSPREFIX}${SEPARATOR}${id}" } def asField[T](value: T): Field[T] = { val tmp = new Field[T] tmp.setValue(value) tmp } def generateDataInfo(): DataInfo = { val di = new DataInfo di.setDeletedbyinference(false) di.setInferred(false) di.setInvisible(false) di.setTrust("0.9") di.setProvenanceaction(createQualifier("sysimport:actionset", "dnet:provenanceActions")) di } def createSP(value: String, classId: String, schemeId: String): StructuredProperty = { val sp = new StructuredProperty sp.setQualifier(createQualifier(classId, schemeId)) sp.setValue(value) sp } def createCollectedFrom(): KeyValue = { val cf = new KeyValue cf.setValue(CROSSREF) cf.setKey("10|" + OPENAIRE_PREFIX + SEPARATOR + DHPUtils.md5("crossref")) cf } def createQualifier(cls: String, sch: String): Qualifier = { val q = new Qualifier q.setClassid(cls) q.setClassname(cls) q.setSchemeid(sch) q.setSchemename(sch) q } def generateItemFromType(objectType: String, objectSubType: String): Result = { if (mappingCrossrefType.contains(objectType)) { if (mappingCrossrefType(objectType).equalsIgnoreCase("publication")) return new Publication() if (mappingCrossrefType(objectType).equalsIgnoreCase("dataset")) return new Dataset() } null } }