@phema/cql-execution/lib/cql-code-service.js

An execution framework for the Clinical Quality Language (CQL)

"use strict";

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

var _require = require('./datatypes/datatypes'),
    Code = _require.Code,
    ValueSet = _require.ValueSet;

var CodeService = /*#__PURE__*/function () {
  function CodeService() {
    var valueSetsJson = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

    _classCallCheck(this, CodeService);

    this.valueSets = {};

    for (var oid in valueSetsJson) {
      this.valueSets[oid] = {};

      for (var version in valueSetsJson[oid]) {
        var codes = valueSetsJson[oid][version].map(function (code) {
          return new Code(code.code, code.system, code.version);
        });
        this.valueSets[oid][version] = new ValueSet(oid, version, codes);
      }
    }
  }

  _createClass(CodeService, [{
    key: "findValueSetsByOid",
    value: function findValueSetsByOid(oid) {
      return this.valueSets[oid] ? Object.values(this.valueSets[oid]) : [];
    }
  }, {
    key: "findValueSet",
    value: function findValueSet(oid, version) {
      if (version != null) {
        return this.valueSets[oid] != null ? this.valueSets[oid][version] : undefined;
      } else {
        var results = this.findValueSetsByOid(oid);

        if (results.length === 0) {
          return null;
        } else {
          return results.reduce(function (a, b) {
            if (a.version > b.version) {
              return a;
            } else {
              return b;
            }
          });
        }
      }
    }
  }]);

  return CodeService;
}();

module.exports.CodeService = CodeService;