inversify-datastore/lib/decorators.js

Some utilities for the development of Google Cloud Datastore applications using Inversify

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var inversify_1 = require("inversify");
var constants_1 = require("./constants");
var class_validator_1 = require("class-validator");
/**
 * Decorates a Google Datastore Repository
 * @param entityIdentifier the entity assinged for that repository
 */
function repository(entityIdentifier) {
    return function (target) {
        var metadata = {
            target: target,
            entityIdentifier: entityIdentifier
        };
        Reflect.defineMetadata(constants_1.METADATA_KEY.repository, metadata, target);
        inversify_1.decorate(inversify_1.injectable(), target);
        return target;
    };
}
exports.repository = repository;
/**
 * Decorates an entity.
 * @param kind the kind name of an entity.
 * @param entityOptions the options for serialization
 */
function entity(kind, entityOptions) {
    var metadata = {
        kind: kind,
        entityOptions: entityOptions
    };
    return Reflect.metadata(constants_1.METADATA_KEY.entity, metadata);
}
exports.entity = entity;
/**
 * Identify the path to compose an entity key.
 * @param validationOptions optional for customize the field validation
 */
function id(validationOptions) {
    return function (target, propertyKey) {
        Reflect.defineMetadata(constants_1.METADATA_KEY.entityId, propertyKey, target);
        class_validator_1.registerDecorator({
            name: "isValidId",
            target: target.constructor,
            propertyName: propertyKey,
            options: validationOptions,
            validator: {
                validate: function (value) {
                    return value && value.length > 0 && !constants_1.CONTRAINTS.id.test(value);
                }
            }
        });
    };
}
exports.id = id;
/**
 * The field decorated will be excluded from entity indexes.
 */
function excludeFromIndex() {
    return function (target, propertyKey) {
        var excludeFromIndexes = Reflect.getMetadata(constants_1.METADATA_KEY.excludeFromIndexes, target) || [];
        excludeFromIndexes.push(propertyKey);
        Reflect.defineMetadata(constants_1.METADATA_KEY.excludeFromIndexes, excludeFromIndexes, target);
    };
}
exports.excludeFromIndex = excludeFromIndex;
/**
 * The field decorated will be assigned with a new date when created.
 * The property decorated with this field must be a Data.
 */
function createdAt() {
    return function (target, propertyKey) {
        Reflect.defineMetadata(constants_1.METADATA_KEY.createdAt, propertyKey, target);
    };
}
exports.createdAt = createdAt;
/**
 * The field decorated will be assigned with a new date when updated.
 * The property decorated with this field must be a Data.
 */
function updatedAt() {
    return function (target, propertyKey) {
        Reflect.defineMetadata(constants_1.METADATA_KEY.updatedAt, propertyKey, target);
    };
}
exports.updatedAt = updatedAt;