@decaf-ts/db-decorators
Version:
Agnostic database decorators and repository
66 lines • 8.6 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.findPrimaryKey = findPrimaryKey;
exports.findModelId = findModelId;
const constants_1 = require("./../model/constants.cjs");
const utils_1 = require("./../repository/utils.cjs");
const decorator_validation_1 = require("@decaf-ts/decorator-validation");
const errors_1 = require("./../repository/errors.cjs");
/**
* @summary Returns the primary key attribute for a {@link Model}
* @description searches in all the properties in the object for an {@link id} decorated property
*
* @param {Model} model
*
* @throws {InternalError} if no property or more than one properties are {@link id} decorated
* or no value is set in that property
*
* @function findPrimaryKey
*
* @category managers
*/
function findPrimaryKey(model) {
const decorators = (0, utils_1.getAllPropertyDecoratorsRecursive)(model, undefined, constants_1.DBKeys.REFLECT + constants_1.DBKeys.ID);
const idDecorators = Object.entries(decorators).reduce((accum, [prop, decs]) => {
const filtered = decs.filter((d) => d.key !== decorator_validation_1.ModelKeys.TYPE);
if (filtered && filtered.length) {
accum[prop] = accum[prop] || [];
accum[prop].push(...filtered);
}
return accum;
}, {});
if (!idDecorators || !Object.keys(idDecorators).length)
throw new errors_1.InternalError("Could not find ID decorated Property");
if (Object.keys(idDecorators).length > 1)
throw new errors_1.InternalError((0, decorator_validation_1.sf)(Object.keys(idDecorators).join(", ")));
const idProp = Object.keys(idDecorators)[0];
if (!idProp)
throw new errors_1.InternalError("Could not find ID decorated Property");
return {
id: idProp,
props: idDecorators[idProp][0].props,
};
}
/**
* @summary Returns the primary key value for a {@link Model}
* @description searches in all the properties in the object for an {@link pk} decorated property
*
* @param {Model} model
* @param {boolean} [returnEmpty]
* @return {string | number | bigint} primary key
*
* @throws {InternalError} if no property or more than one properties are {@link pk} decorated
* @throws {NotFoundError} returnEmpty is false and no value is set on the {@link pk} decorated property
*
* @function findModelID
*
* @category managers
*/
function findModelId(model, returnEmpty = false) {
const idProp = findPrimaryKey(model).id;
const modelId = model[idProp];
if (typeof modelId === "undefined" && !returnEmpty)
throw new errors_1.InternalError(`No value for the Id is defined under the property ${idProp}`);
return modelId;
}
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