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feat: store turtle prefixes in metadata when parsing

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build: correct package-lock file
This commit is contained in:
Thomas Dupont
2022-07-13 16:10:59 +02:00
committed by Joachim Van Herwegen
parent 9a12152253
commit 66e82dd772
5 changed files with 4004 additions and 328 deletions
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15
src/storage/conversion/RdfToQuadConverter.ts
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@@ -1,10 +1,13 @@
import { PassThrough } from 'stream';
import type { NamedNode } from '@rdfjs/types';
import rdfParser from 'rdf-parse';
import { BasicRepresentation } from '../../http/representation/BasicRepresentation';
import type { Representation } from '../../http/representation/Representation';
import { RepresentationMetadata } from '../../http/representation/RepresentationMetadata';
import { INTERNAL_QUADS } from '../../util/ContentTypes';
import { BadRequestHttpError } from '../../util/errors/BadRequestHttpError';
import { pipeSafely } from '../../util/StreamUtil';
import { PREFERRED_PREFIX_TERM, SOLID_META } from '../../util/Vocabularies';
import { BaseTypedRepresentationConverter } from './BaseTypedRepresentationConverter';
import type { RepresentationConverterArgs } from './RepresentationConverter';
@@ -20,13 +23,21 @@ export class RdfToQuadConverter extends BaseTypedRepresentationConverter {
}
public async handle({ representation, identifier }: RepresentationConverterArgs): Promise<Representation> {
const newMetadata = new RepresentationMetadata(representation.metadata, INTERNAL_QUADS);
const rawQuads = rdfParser.parse(representation.data, {
contentType: representation.metadata.contentType!,
baseIRI: identifier.path,
});
})
// This works only for those cases where the data stream has been completely read before accessing the metadata.
// Eg. the PATCH operation, which is the main case why we store the prefixes in metadata here if there are any.
// See also https://github.com/CommunitySolidServer/CommunitySolidServer/issues/126
.on('prefix', (prefix, iri: NamedNode): void => {
newMetadata.addQuad(iri.value, PREFERRED_PREFIX_TERM, prefix, SOLID_META.terms.ResponseMetadata);
});
const pass = new PassThrough({ objectMode: true });
const data = pipeSafely(rawQuads, pass, (error): Error => new BadRequestHttpError(error.message));
return new BasicRepresentation(data, representation.metadata, INTERNAL_QUADS);
return new BasicRepresentation(data, newMetadata);
}
}