app/services/data/normalizer/hydraNormalizer.ts

import {AnyJson} from "~/types/data";
import ApiResource from "~/models/ApiResource";
import {isArray, isNumber} from "lodash";
import UrlUtils from "~/services/utils/urlUtils";

/**
 * Normalisation du format de données Hydra
 */
class HydraNormalizer {
    public static normalizeEntity(entity: ApiResource): AnyJson {

        const prototype = Object.getPrototypeOf(entity)
        const relations = prototype.constructor.relations

        for (const field in relations) {
            const value = entity[field]

            if (!isArray(value)) {
                console.warn("A model's relation is not an array")
                continue
            }

            const targetEntity = relations[field].entity

            entity[field] = value.map((id: number | string) => {
                if (!isNumber(id)) {
                    throw Error(field + ' : invalid id')
                }
                return UrlUtils.makeIRI(targetEntity, id)
            })
        }

        return entity.$toJson()
    }
}

export default HydraNormalizer