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refactor: Change constructor so it is supported by Components.js

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This commit is contained in:
Joachim Van Herwegen
2020-11-02 14:52:04 +01:00
parent 712a690904
commit dee4eef131
2 changed files with 21 additions and 11 deletions
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23
src/storage/RepresentationConvertingStore.ts
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@@ -29,17 +29,20 @@ export class RepresentationConvertingStore<T extends ResourceStore = ResourceSto
private readonly inConverter?: RepresentationConverter;
private readonly outConverter?: RepresentationConverter;
private readonly inPreferences?: RepresentationPreferences;
private readonly inType?: string;
/**
* TODO: This should take RepresentationPreferences instead of a type string when supported by Components.js.
*/
public constructor(source: T, options: {
outConverter?: RepresentationConverter;
inConverter?: RepresentationConverter;
inPreferences?: RepresentationPreferences;
inType?: string;
}) {
super(source);
this.inConverter = options.inConverter;
this.outConverter = options.outConverter;
this.inPreferences = options.inPreferences;
this.inType = options.inType;
}
public async getRepresentation(identifier: ResourceIdentifier, preferences: RepresentationPreferences,
@@ -56,13 +59,13 @@ export class RepresentationConvertingStore<T extends ResourceStore = ResourceSto
conditions?: Conditions): Promise<ResourceIdentifier> {
// We can potentially run into problems here if we convert a turtle document where the base IRI is required,
// since we don't know the resource IRI yet at this point.
representation = await this.convertRepresentation(container, representation);
representation = await this.convertInRepresentation(container, representation);
return this.source.addResource(container, representation, conditions);
}
public async setRepresentation(identifier: ResourceIdentifier, representation: Representation,
conditions?: Conditions): Promise<void> {
representation = await this.convertRepresentation(identifier, representation);
representation = await this.convertInRepresentation(identifier, representation);
return this.source.setRepresentation(identifier, representation, conditions);
}
@@ -79,11 +82,15 @@ export class RepresentationConvertingStore<T extends ResourceStore = ResourceSto
);
}
private async convertRepresentation(identifier: ResourceIdentifier, representation: Representation):
private async convertInRepresentation(identifier: ResourceIdentifier, representation: Representation):
Promise<Representation> {
if (!this.inPreferences || !this.inConverter || this.matchesPreferences(representation, this.inPreferences)) {
if (!this.inType) {
return representation;
}
return this.inConverter.handleSafe({ identifier, representation, preferences: this.inPreferences });
const inPreferences: RepresentationPreferences = { type: [{ value: this.inType, weight: 1 }]};
if (!inPreferences || !this.inConverter || this.matchesPreferences(representation, inPreferences)) {
return representation;
}
return this.inConverter.handleSafe({ identifier, representation, preferences: inPreferences });
}
}