- add citation for dc:source inside datasetxml2oai.pmh.xslt

- add ddc collection for ListSets request
- add ddc category into the header of GetReord and GetRecords requests
- npm updates

assets/oai_2_iso19139.xslt

@@ -30,7 +30,7 @@
                 expand-text="yes"
                 version="3.0">
     
-    <xsl:output method="xml" encoding="iso-8859-1" indent="yes"/>
+    <xsl:output method="xml" encoding="utf-8" indent="yes"/>
     <xsl:mode on-no-match="shallow-copy"/> 
     
     <xsl:import href="functions.xslt"/>

assets/oai_datacite.xslt

@@ -34,7 +34,7 @@
     xmlns:dc="http://purl.org/dc/elements/1.1/"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
 
-    <xsl:output method="xml" encoding="iso-8859-1" indent="yes" />
+    <xsl:output method="xml" encoding="utf-8" indent="yes" />
 
     <xsl:template match="Rdr_Dataset" mode="oai_datacite">
         <resource xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

datasetxml2oai-pmh.xslt

@@ -15,7 +15,7 @@
     <xsl:include href="assets/oai_2_iso19139.xslt" />
     
     
-    <xsl:output method="xml" indent="yes" encoding="iso-8859-1" />
+    <xsl:output method="xml" indent="yes" encoding="utf-8" />
     
     <xsl:param name="responseDate" />
     <xsl:param name="unixTimestamp" />
@@ -431,9 +431,45 @@
             <xsl:if test="EmbargoDate and ($unixTimestamp &lt; EmbargoDate/@UnixTimestamp)">
                 <dc:rights>embargo</dc:rights>
             </xsl:if>
+            <!-- dc:source -->
+            <xsl:call-template name="citation"/>
         </oai_dc:dc>
     </xsl:template>
     
+    <xsl:template name="citation">
+        <dc:source>
+            <xsl:variable name="creatorName">
+                <xsl:for-each select="*[name() = 'PersonAuthor']">
+                    <xsl:variable name="person" select="."/>
+                    <xsl:variable name="uppercase" select="'ABC..XYZ'"/>
+                    <xsl:variable name="lowercase" select="'abc..zyz'"/>
+                    <xsl:variable name="authorName">
+                        <xsl:choose>
+                            <xsl:when test="string($person/@FirstName)">
+                                <xsl:variable name="name" select="concat(
+                                        $person/@LastName, ', ', concat(translate(substring($person/@FirstName, 1, 1), $lowercase, $uppercase), '.')
+                                    )" />
+                                <xsl:value-of select="$name"/>
+                            </xsl:when>
+                            <xsl:otherwise>
+                                <xsl:value-of select="$person/@LastName"/>
+                            </xsl:otherwise>
+                        </xsl:choose>
+                    </xsl:variable>
+                    <xsl:value-of select="normalize-space($authorName)"/>
+                    <xsl:choose>
+                        <xsl:when test="position() != last()">,</xsl:when>
+                    </xsl:choose>
+                </xsl:for-each>
+            </xsl:variable>
+            <xsl:variable name="year" select="concat( ' (', string(ServerDatePublished/@Year), '): ' )" />
+            <xsl:variable name="mainTitle" select="string(TitleMain/@Value)" />
+            <xsl:variable name="creatingCorporation" select="concat('.', string(@CreatingCorporation), ', ')" />
+            <xsl:variable name="publisherName" select="string(@PublisherName)" />
+            <xsl:value-of select="concat($creatorName, $year, $mainTitle, $creatingCorporation, $publisherName, ', Wien')"/>
+        </dc:source>
+    </xsl:template>
+    
     <xsl:template match="Coverage" mode="oai_dc">
         <dc:coverage>
             <xsl:variable name="geolocation" select="concat(

src/controllers/oai.controller.ts

@@ -8,7 +8,7 @@ import { readFileSync } from "fs";
 // @ts-ignore
 import { transform } from "saxon-js";
 import dayjs, { Dayjs } from "dayjs";
-import { Dataset, Project, License } from "../models/init-models";
+import { Dataset, Project, License, Collection, CollectionRole } from "../models/init-models";
 import Logger from "jet-logger";
 import { BadOaiModelException, OaiModelException } from "../exceptions/OaiModelException";
 import PageNotFoundException from "../exceptions/PageNotFoundException";
@@ -255,6 +255,7 @@ export class OaiController {
             // 'bibliography:true' => 'Set for bibliographic entries',
             // 'bibliography:false' => 'Set for non-bibliographic entries',
             ...(await this.getSetsForDatasetTypes()),
+            ...(await this.getSetsForCollections()),
             // ... await this.getSetsForProjects(),
         } as IDictionary;
 
@@ -437,6 +438,7 @@ export class OaiController {
             if ("set" in oaiRequest) {
                 const set = oaiRequest["set"] as string;
                 const setArray = set.split(":");
+
                 if (setArray[0] == "data-type") {
                     if (setArray.length == 2 && setArray[1]) {
                         andArray.push({
@@ -458,6 +460,26 @@ export class OaiController {
                         },
                     };
                     includeArray.push(icncludeFilter);
+                } else if (setArray[0] == "ddc") {
+                    // const openAccessLicences = ["CC-BY-4.0", "CC-BY-SA-4.0"];
+                    if (setArray.length == 2 && setArray[1] != "") {
+                        const icncludeFilter = {
+                            model: Collection,
+                            as: "collections",
+                            required: true, //return only records which have an associated model INNER JOIN
+                            where: {
+                                number: setArray[1],
+                            },
+                            // include: [
+                            //     {
+                            //         model: CollectionRole,
+                            //         attributes: ["oai_name"],
+                            //         as: "collectionRole",
+                            //     },
+                            // ],
+                        };
+                        includeArray.push(icncludeFilter);
+                    }
                 }
             }
 
@@ -612,7 +634,7 @@ export class OaiController {
                     [Sequelize.Op.in]: workIds,
                 },
             },
-            include: ["xmlCache"],
+            include: ["xmlCache", { model: Collection, as: "collections" }],
             order: ["publish_id"],
         });
         for (const dataset of datasets) {
@@ -718,6 +740,14 @@ export class OaiController {
         dataset.publish_id && this.addLandingPageAttribute(domNode, dataset.publish_id.toString());
         // }
         this.addSpecInformation(domNode, "data-type:" + dataset.type);
+
+        if (dataset.collections) {
+            for (const coll of dataset.collections) {
+                const collRole = await coll.getCollectionRole();
+                this.addSpecInformation(domNode, collRole.oai_name + ":" + coll.number);
+            }
+        }
+
         datasetNode.import(domNode);
     }
 
@@ -758,6 +788,33 @@ export class OaiController {
         return sets;
     }
 
+    private async getSetsForCollections(): Promise<IDictionary> {
+        const sets: { [key: string]: string } = {} as IDictionary;
+
+        const collections: Array<Collection> = await Collection.findAll({
+            attributes: ["name", "number"],
+            include: [
+                {
+                    model: CollectionRole,
+                    attributes: ["oai_name"],
+                    as: "collectionRole",
+                    required: true, //return only records which have an associated model role -> INNER JOIN
+                    where: {
+                        visible_oai: true,
+                    },
+                },
+            ],
+        });
+        collections.forEach((collection) => {
+            // if collection has a collection role (classification like ddc):
+            if (collection.number) {
+                const setSpec = collection.collectionRole?.oai_name + ":" + collection.number;
+                sets[setSpec] = `Set ${collection.number} '${collection.name}'`;
+            }
+        });
+        return sets;
+    }
+
     private async getSetsForDatasetTypes(): Promise<IDictionary> {
         const sets: { [key: string]: string } = {} as IDictionary;
 

src/exceptions/OaiErrorCodes.ts

@@ -12,12 +12,12 @@ export enum OaiErrorCodes {
 
 // https://medium.com/@juliapassynkova/map-your-typescript-enums-e402d406b229
 export const OaiModelError = new Map<number, string>([
-    [OaiErrorCodes.BADVERB, 'badVerb'],
-    [OaiErrorCodes.BADARGUMENT, 'badArgument'],
-    [OaiErrorCodes.NORECORDSMATCH, 'noRecordsMatch'],
-    [OaiErrorCodes.CANNOTDISSEMINATEFORMAT, 'cannotDisseminateFormat'],
-    [OaiErrorCodes.BADRESUMPTIONTOKEN, 'badResumptionToken'],
-    [OaiErrorCodes.IDDOESNOTEXIST, 'idDoesNotExist']
+    [OaiErrorCodes.BADVERB, "badVerb"],
+    [OaiErrorCodes.BADARGUMENT, "badArgument"],
+    [OaiErrorCodes.NORECORDSMATCH, "noRecordsMatch"],
+    [OaiErrorCodes.CANNOTDISSEMINATEFORMAT, "cannotDisseminateFormat"],
+    [OaiErrorCodes.BADRESUMPTIONTOKEN, "badResumptionToken"],
+    [OaiErrorCodes.IDDOESNOTEXIST, "idDoesNotExist"],
 ]);
 
 // class OaiModelError {
@@ -28,7 +28,6 @@ export const OaiModelError = new Map<number, string>([
 //     // const NORECORDSMATCH = 1014;
 //     // const IDDOESNOTEXIST = 1015;
 
-
 //     protected static $oaiErrorCodes = {
 //         OaiErrorCodes. 'badVerb',
 //         BADARGUMENT : 'badArgument',
@@ -38,7 +37,6 @@ export const OaiModelError = new Map<number, string>([
 //        IDDOESNOTEXIST: 'idDoesNotExist',
 //     };
 
-  
 // public static function mapCode($code)
 // {
 //     if (false === array_key_exists($code, self::$oaiErrorCodes)) {

src/models/Collection.ts

@@ -0,0 +1,91 @@
+// import Sequelize from "sequelize";
+import {
+    Model,
+    DataTypes,
+    InferAttributes,
+    InferCreationAttributes,
+    CreationOptional,
+    NonAttribute,
+    Association,
+    BelongsToGetAssociationMixin,
+} from "sequelize";
+import sequelizeConnection from "../config/db.config";
+import CollectionRole from "./CollectionRole";
+import Dataset from "./Dataset";
+
+class Collection extends Model<InferAttributes<Collection>, InferCreationAttributes<Collection>> {
+    // id can be undefined during creation when using `autoIncrement`
+    declare id: CreationOptional<number>;
+    declare role_id: number | null;
+    declare number: string | null; // nullable fields
+    declare name: string; // not nullable fields
+    declare oai_subset: string | null; // nullable fields
+    declare parent_id: number | null;
+    declare visible: boolean;
+    declare visible_publish: boolean;
+
+    // https://sequelize.org/docs/v6/other-topics/typescript/
+    // Since TS cannot determine model association at compile time
+    // we have to declare them here purely virtually
+    // these will not exist until `Model.init` was called.
+    declare getCollectionRole: BelongsToGetAssociationMixin<CollectionRole>;
+
+    // You can also pre-declare possible inclusions, these will only be populated if you
+    // actively include a relation.belongsTo one collectionRole
+    declare collectionRole?: NonAttribute<CollectionRole>;
+    declare datasets?: NonAttribute<Dataset>;
+
+    declare static associations: {
+        collectionRole: Association<Collection, CollectionRole>;
+        datasets: Association<Collection, Dataset>;
+    };
+
+    // getters that are not attributes should be tagged using NonAttribute
+    // to remove them from the model's Attribute Typings.
+    get fullName(): NonAttribute<string> {
+        return this.name + ":" + this.number;
+    }
+}
+
+Collection.init(
+    {
+        id: {
+            type: DataTypes.INTEGER,
+            primaryKey: true,
+        },
+        role_id: {
+            type: DataTypes.INTEGER,
+            allowNull: true,
+        },
+        number: {
+            type: DataTypes.STRING(255),
+            allowNull: true,
+        },
+        name: {
+            type: DataTypes.STRING(255),
+            allowNull: false,
+        },
+        oai_subset: {
+            type: DataTypes.STRING(255),
+            allowNull: true,
+        },
+        parent_id: {
+            type: DataTypes.INTEGER,
+            allowNull: true,
+        },
+        visible: {
+            type: DataTypes.BOOLEAN,
+            defaultValue: true,
+        },
+        visible_publish: {
+            type: DataTypes.BOOLEAN,
+            defaultValue: true,
+        },
+    },
+    {
+        timestamps: false,
+        sequelize: sequelizeConnection,
+        tableName: "collections",
+    },
+);
+export default Collection;

src/models/CollectionRole.ts

@@ -0,0 +1,62 @@
+// import Sequelize from "sequelize";
+import { Model, DataTypes, InferAttributes, InferCreationAttributes, CreationOptional, Association, NonAttribute } from "sequelize";
+import sequelizeConnection from "../config/db.config";
+import Collection from "./Collection";
+
+class CollectionRole extends Model<InferAttributes<CollectionRole>, InferCreationAttributes<CollectionRole>> {
+    // id can be undefined during creation when using `autoIncrement`
+    declare id: CreationOptional<number>;
+    declare name: string; // not nullable fields
+    declare oai_name: string; // not nullable fields
+    declare position: number;
+    declare visible: boolean;
+    declare visible_frontdoor: boolean;
+    declare visible_oai: boolean;
+
+    // You can also pre-declare possible inclusions, these will only be populated if you
+    // actively include a relation.
+    declare collections?: NonAttribute<Collection>;
+    declare static associations: {
+        collections: Association<CollectionRole, Collection>;
+    };
+}
+
+CollectionRole.init(
+    {
+        id: {
+            type: DataTypes.INTEGER,
+            primaryKey: true,
+        },
+
+        name: {
+            type: DataTypes.STRING(255),
+            allowNull: false,
+        },
+        oai_name: {
+            type: DataTypes.STRING(255),
+            allowNull: false,
+        },
+        position: {
+            type: DataTypes.INTEGER,
+            allowNull: false,
+        },
+        visible: {
+            type: DataTypes.BOOLEAN,
+            defaultValue: true,
+        },
+        visible_frontdoor: {
+            type: DataTypes.BOOLEAN,
+            defaultValue: true,
+        },
+        visible_oai: {
+            type: DataTypes.BOOLEAN,
+            defaultValue: true,
+        },
+    },
+    {
+        timestamps: false,
+        sequelize: sequelizeConnection,
+        tableName: "collections_roles",
+    },
+);
+export default CollectionRole;

src/models/Dataset.ts

@@ -52,6 +52,7 @@
 import { Op, Model, DataTypes, InferAttributes, InferCreationAttributes, CreationOptional, NonAttribute, Association } from "sequelize";
 import sequelizeConnection from "../config/db.config";
 import DocumentXmlCache from "./DocumentXmlCache";
+import Collection from "./Collection";
 
 class Dataset extends Model<InferAttributes<Dataset>, InferCreationAttributes<Dataset>> {
     // id can be undefined during creation when using `autoIncrement`
@@ -76,6 +77,11 @@ class Dataset extends Model<InferAttributes<Dataset>, InferCreationAttributes<Da
     // actively include a relation.
     declare xmlCache?: NonAttribute<DocumentXmlCache>; // Note this is optional since it's only populated when explicitly requested in code
 
+    declare collections?: NonAttribute<Collection[]>;
+    // declare static associations: {
+        
+    // };
+
     // getters that are not attributes should be tagged using NonAttribute
     // to remove them from the model's Attribute Typings.
     get fullName(): NonAttribute<string | null> {
@@ -84,6 +90,7 @@ class Dataset extends Model<InferAttributes<Dataset>, InferCreationAttributes<Da
 
     declare static associations: {
         xmlCache: Association<Dataset, DocumentXmlCache>;
+        collections: Association<Dataset, Collection>;
     };
 
     public static async earliestPublicationDate(): Promise<Dataset | null> {

src/models/init-models.js

@@ -15,10 +15,27 @@ import Project from "./Project";
 import File from "./File";
 import Identifier from "./Identifier";
 import DocumentXmlCache from "./DocumentXmlCache";
+import CollectionRole from "./CollectionRole";
+import Collection from "./Collection";
 
 const dbContext = initModels();
 
-export { Dataset, Title, Abstract, User, Person, Subject, Coverage, License, Project, Identifier, DocumentXmlCache, File };
+export {
+    Dataset,
+    Title,
+    Abstract,
+    User,
+    Person,
+    Subject,
+    Coverage,
+    License,
+    Project,
+    Identifier,
+    DocumentXmlCache,
+    File,
+    Collection,
+    CollectionRole,
+};
 export default dbContext;
 
 export function initModels() {
@@ -201,6 +218,37 @@ export function initModels() {
         as: "dataset",
     });
 
+    // collection an collectionRole relations
+    CollectionRole.hasMany(Collection, {
+        as: "collections",
+        foreignKey: "role_id",
+    });
+    Collection.belongsTo(CollectionRole, {
+        foreignKey: "role_id",
+        as: "collectionRole",
+    });
+
+    // dataset and collections
+     //licences
+     const DatasetCollection = sequelizeConnection.define(
+        "link_documents_collections",
+        {},
+        {
+            tableName: "link_documents_collections",
+            timestamps: false,
+        },
+    );
+    Dataset.belongsToMany(Collection, {
+        through: DatasetCollection,
+        as: "collections",
+        foreignKey: "document_id",
+    });
+    Collection.belongsToMany(Dataset, {
+        through: DatasetCollection,
+        foreignKey: "collection_id",
+        as: "datasets",
+    });
+
     return {
         Dataset: Dataset,
         Title: Title,