@serafin/pipeline/lib/cjs/Relation.js

CRUD data access library with a functional approach

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Relation = void 0;
const QueryTemplate_1 = require("./QueryTemplate");
/**
 * Represents a Relation for the given pipeline
 */
class Relation {
    constructor(holdingPipeline, name, pipeline, query, type) {
        this.holdingPipeline = holdingPipeline;
        this.name = name;
        this.pipeline = pipeline;
        this.query = query;
        this.type = type;
    }
    async fetch(resource, query, context) {
        return this.pipeline.read({ ...QueryTemplate_1.QueryTemplate.hydrate(this.query, resource), ...(query || {}) }, context);
    }
    async assignToResource(resource, query, context) {
        let result = await this.fetch(resource, query, context);
        if (this.type === "one") {
            ;
            resource[this.name] = result.data[0];
        }
        else {
            ;
            resource[this.name] = result.data;
        }
        return resource;
    }
    async assignToResources(resources, query, context) {
        return Promise.all(resources.map((resource) => this.assignToResource(resource, query, context)));
    }
}
exports.Relation = Relation;
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