api-core/dist/src/query/ApiQuery.js

Model-based dynamic multi-level APIs for any provider, plus multiple consumption channels

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ApiQuery = void 0;
const ApiEdgeQueryContext_1 = require("../edge/ApiEdgeQueryContext");
const ApiEdgeQueryResponse_1 = require("../edge/ApiEdgeQueryResponse");
const uuid = require('uuid/v4');
class ApiQuery {
    constructor() {
        this.steps = [];
        this.unshift = (step) => {
            this.steps.unshift(step);
            return this;
        };
        this.execute = (identity = null) => {
            return new Promise((resolve, reject) => {
                let next = (scope) => {
                    let step = this.steps[scope.step];
                    if (step) {
                        scope.step++;
                        if (scope.step < this.steps.length) {
                            step.execute(scope).then(next).catch(reject);
                        }
                        else {
                            step.execute(scope).then(scope => resolve(scope.response || new ApiEdgeQueryResponse_1.ApiEdgeQueryResponse(null))).catch(reject);
                        }
                    }
                };
                next({
                    context: new ApiEdgeQueryContext_1.ApiEdgeQueryContext(),
                    body: null,
                    request: this.request,
                    response: null,
                    query: this,
                    step: 0,
                    identity
                });
            });
        };
        this.id = uuid();
    }
}
exports.ApiQuery = ApiQuery;
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