| 1 | /**
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| 2 | * Take `Object` containing flatten hits from ISTEXResult.
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| 3 | *
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| 4 | * If the environment variable DEBUG is set, some errors could appear on stderr.
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| 5 | *
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| 6 | * @see ISTEXResult
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| 7 | * @see OBJFlatten (from ezs-basics)
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| 8 | *
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| 9 | * @example
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| 10 | *
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| 11 | * data: {
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| 12 | * 'author/0/name': 'Geoffrey Strickland',
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| 13 | * 'author/0/affiliations/0': 'University of Reading',
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| 14 | * 'host/issn/0': '0047-2441',
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| 15 | * 'host/eissn/0': '1740-2379',
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| 16 | * 'title': 'Maupassant, Zola, Jules Vallès and the Paris Commune of 1871',
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| 17 | * 'publicationDate': '1983',
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| 18 | * 'doi/0': '10.1177/004724418301305203',
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| 19 | * 'id': 'F6CB7249E90BD96D5F7E3C4E80CC1C3FEE4FF483',
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| 20 | * 'score': 1 }
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| 21 | *
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| 22 | * @example
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| 23 | *
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| 24 | * .pipe(ezs('ISTEXTriplify', {
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| 25 | * property: [
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| 26 | * 'doi/0 -> http://purl.org/ontology/bibo/doi',
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| 27 | * 'language -> http://purl.org/dc/terms/language',
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| 28 | * 'author/\\d+/name -> http://purl.org/dc/terms/creator',
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| 29 | * 'author/\\d+/affiliations -> https://data.istex.fr/ontology/istex#affiliation',
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| 30 | * ],
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| 31 | * ));
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| 32 | *
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| 33 | * @example
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| 34 | *
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| 35 | * <https://data.istex.fr/document/F6CB7249E90BD96D5F7E3C4E80CC1C3FEE4FF483>
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| 36 | * a <http://purl.org/ontology/bibo/Document> ;
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| 37 | * "10.1002/zaac.19936190205" ;
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| 38 | * <https://data.istex.fr/ontology/istex#idIstex> "F6CB7249E90BD96D5F7E3C4E80CC1C3FEE4FF483" ;
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| 39 | * <http://purl.org/dc/terms/creator> "Geoffrey Strickland" ;
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| 40 | * <https://data.istex.fr/ontology/istex#affiliation> "University of Reading" ;
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| 41 | *
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| 42 | * @param {Object} [property=[]] path to uri for the properties to output (property and uri separated by ` -> `)
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| 43 | *
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| 44 | * @param {string} [source=""] the root of the keys (ex: `istex/`)
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| 45 | * @returns {string}
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| 46 | */
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| 47 | function ISTEXTriplify(data, feed) {
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| 48 | if (this.isLast()) {
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| 49 | return feed.close();
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| 50 | }
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| 51 | const source = this.getParam('source', '');
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| 52 | const property = this.getParam('property', []);
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| 53 | const properties = Array.isArray(property)
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| 54 | ? property.map(prop => prop.split(' -> '))
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| 55 | : [property].map(prop => prop.split(' -> '));
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| 56 | const regexps = properties
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| 57 | .map(([path, prop]) => ([
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| 58 | new RegExp(path),
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| 59 | prop,
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| 60 | ]));
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| 61 |
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| 62 | // Ignore empty objects (hoping that next objects will still arrive)
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| 63 | if (!data[`${source}id`]) {
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| 64 | if (process.env.DEBUG) {
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| 65 | // eslint-disable-next-line no-console
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| 66 | console.error(`#${this.getIndex()}: Empty object`);
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| 67 | }
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| 68 | return feed.end();
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| 69 | }
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| 70 |
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| 71 | feed.write(`<https://api.istex.fr/${data[`${source}arkIstex`]}> <https://data.istex.fr/ontology/istex#idIstex> "${data[`${source}id`]}" .\n`);
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| 72 | feed.write(`<https://api.istex.fr/${data[`${source}arkIstex`]}> <https://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/ontology/bibo/Document> .\n`);
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| 73 |
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| 74 | const dataArray = Object.entries(data);
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| 75 |
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| 76 | regexps.forEach(([regex, prop]) => {
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| 77 | dataArray
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| 78 | .filter(([key]) => key.match(regex))
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| 79 | .forEach(([, value]) => {
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| 80 | if (!value) return;
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| 81 | const escapedValue = value.replace(/"/g, '\\"');
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| 82 | if (value.startsWith('http')) {
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| 83 | feed.write(`<https://api.istex.fr/${data[`${source}arkIstex`]}> <${prop}> <${value}> .\n`);
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| 84 | } else {
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| 85 | feed.write(`<https://api.istex.fr/${data[`${source}arkIstex`]}> <${prop}> "${escapedValue}" .\n`);
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| 86 | }
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| 87 | });
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| 88 | });
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| 89 |
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| 90 | feed.end();
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| 91 | }
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| 92 |
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| 93 | export default {
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| 94 | ISTEXTriplify,
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| 95 | };
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