lemon-engine
Version:
Lemon Engine Module to Synchronize Node over DynamoDB + ElastiCache + Elasticsearch by [lemoncloud](https://lemoncloud.io)
221 lines • 10.4 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var http_proxy_1 = __importDefault(require("./http-proxy"));
var maker = function (_$, name, options) {
name = name || 'ES6';
var $U = _$.U; // re-use global instance (utils).
var $_ = _$._; // re-use global instance (_ lodash).
if (!$U)
throw new Error('$U is required!');
if (!$_)
throw new Error('$_ is required!');
var NS = $U.NS(name, 'cyan'); // NAMESPACE TO BE PRINTED.
//! load common functions
var _log = _$.log;
var _inf = _$.inf;
var _err = _$.err;
/** ****************************************************************************************************************
* Internal Proxy Function
** ****************************************************************************************************************/
var ENDPOINT = $U.env('ES6_ENDPOINT', typeof options == 'string' ? options : '');
var $proxy = function () {
if (!ENDPOINT)
throw new Error('env:ES6_ENDPOINT is required!');
var SVC = 'X' + name;
var $SVC = _$(SVC, null);
return $SVC ? $SVC : http_proxy_1.default(_$, SVC, ENDPOINT); // re-use proxy by name
};
/** ****************************************************************************************************************
* Main Implementation.
** ****************************************************************************************************************/
var thiz = new (/** @class */ (function () {
function class_1() {
this.name = function () { return "elastic6-proxy:" + name; };
this.endpoint = function () { return ENDPOINT; };
}
/**
* Create index with document initialization.
*
* @param index - ES index.
* @param type - document type of index
* @param options - options of document.
* @returns {Promise.<*>}
*/
class_1.prototype.do_create_index_type = function (index, type, options) {
if (!index)
return Promise.reject(new Error(NS + 'index is required'));
// if (!type) return Promise.reject(new Error(NS + 'type is required'));
var param = null;
var $param = Object.assign({}, param || {});
// $param.$type = type; // must be ''
return $proxy()
.do_post(index, '0', 'create-index', $param, options)
.then(function (_) { return _.result; });
};
/**
* delete target index.
*
* @param {*} index index name
* @param {*} type (optional) type
* @param {*} options (optional) options.
*/
class_1.prototype.do_delete_index_type = function (index, type, options) {
if (!index)
return Promise.reject(new Error(NS + 'index is required'));
// if (!type) return Promise.reject(new Error(NS + 'type is required'));
var param = null;
var $param = Object.assign({}, param || {});
// $param.$type = type; // must be ''
return $proxy()
.do_post(index, '0', 'delete-index', $param, options)
.then(function (_) { return _.result; });
};
//! create new document.
class_1.prototype.do_create_item = function (index, type, id, data) {
if (!index)
return Promise.reject(new Error(NS + 'parameter:index is required'));
if (!type)
return Promise.reject(new Error(NS + 'parameter:type is required'));
if (!id)
return Promise.reject(new Error(NS + 'parameter:id is required'));
if (!data)
return Promise.reject(new Error(NS + 'parameter:data is required'));
var options = null; // optional values.
var $param = Object.assign({}, options || {});
$param.$type = type;
return $proxy()
.do_post(index, id, undefined, $param, data)
.then(function (_) { return _.result; });
};
//! push new document. (if without id)
class_1.prototype.do_push_item = function (index, type, data, id) {
if (!index)
return Promise.reject(new Error(NS + 'parameter:index is required'));
if (!type)
return Promise.reject(new Error(NS + 'parameter:type is required'));
if (!data)
return Promise.reject(new Error(NS + 'parameter:data is required'));
var options = null; // optional values.
var $param = Object.assign({}, options || {});
$param.$type = type;
id = id || ''; // make sure valid text.
id = id === '' ? '0' : '';
return $proxy()
.do_post(index, id, 'push', $param, data)
.then(function (_) { return _.result; });
};
//! update document only for specified data set.
class_1.prototype.do_update_item = function (index, type, id, data) {
if (!index)
return Promise.reject(new Error(NS + 'parameter:index is required'));
if (!type)
return Promise.reject(new Error(NS + 'parameter:type is required'));
if (!id)
return Promise.reject(new Error(NS + 'parameter:id is required'));
if (!data)
return Promise.reject(new Error(NS + 'parameter:data is required'));
var options = null; // optional values.
var $param = Object.assign({}, options || {});
$param.$type = type;
return $proxy()
.do_put(index, id, undefined, $param, data)
.then(function (_) { return _.result; });
};
//! Read document with projection (data)
class_1.prototype.do_get_item = function (index, type, id, data) {
if (!index)
return Promise.reject(new Error(NS + 'parameter:index is required'));
if (!type)
return Promise.reject(new Error(NS + 'parameter:type is required'));
if (!id)
return Promise.reject(new Error(NS + 'parameter:id is required'));
// if (!data) return Promise.reject(new Error(NS + 'parameter:data is required'));
var options = null; // optional values.
var $param = Object.assign({}, options || {});
$param.$type = type;
return $proxy()
.do_get(index, id, undefined, $param, data)
.then(function (_) { return _.result; });
};
//! delete document.
class_1.prototype.do_delete_item = function (index, type, id) {
if (!index)
return Promise.reject(new Error(NS + 'parameter:index is required'));
if (!type)
return Promise.reject(new Error(NS + 'parameter:type is required'));
if (!id)
return Promise.reject(new Error(NS + 'parameter:id is required'));
// if (!data) return Promise.reject(new Error(NS + 'parameter:data is required'));
var options = null; // optional values.
var $param = Object.assign({}, options || {});
$param.$type = type;
return $proxy()
.do_delete(index, id, undefined, $param)
.then(function (_) { return _.result; });
};
//! search item
/**
* Search Syntax. (Simple)
* - 기본적으로 'mini-language'를 그대로 지원하도록한다.
* - 입력의 파라마터의 키값은 테스트할 필드들이다.
* {"stock":">1"} => query_string : "stock:>1"
*
* - 파라미터 예약:
* $query : ES _search 용 쿼리를 그대로 이용.
* $exist : 'a,!b,c' => a AND NOT b AND c 를 _exists_ 항목으로 풀어씀.
* $source : _source 항목에 포함될 내용. (undefined => _source:false)
* $limit : same as "size"
* $page : same as "from" / "size" ($limit 를 ipp 으로 함축하여 이용).
*
*
* [Mini-Language]
* ```
* # find title field which contains quick or brown.
* title:(quick OR brown)
*
* # not-null value.
* _exists_:title
*
* # regular exp.
* name:/joh?n(ath[oa]n)/
* ```
*
*
*
* 참고: https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-query-string-query.html#query-string-syntax
* 참고: http://okfnlabs.org/blog/2013/07/01/elasticsearch-query-tutorial.html
*
* @returns {Promise.<*>}
*/
class_1.prototype.do_search_item = function (index, type, param) {
if (!index)
return Promise.reject(new Error(NS + 'parameter:index is required'));
// if (!type) return Promise.reject(new Error(NS + 'parameter:type is required'));
// if (!id) return Promise.reject(new Error(NS + 'parameter:id is required'));
if (!param)
return Promise.reject(new Error(NS + 'parameter:param is required'));
var $param = Object.assign({}, param || {});
$param.$type = type; //TODO:WARN! conflict with 'type' field.
return $proxy()
.do_get(index, '', undefined, $param)
.then(function (_) { return _.result; });
};
class_1.prototype.do_test_self = function (that) {
that = that || {};
_log(NS, '- do_test_self()... param=', that);
var $param = Object.assign({}, that || {});
// $param.$type = type;
return $proxy()
.do_get('#', '0', 'test-self', $param)
.then(function (_) { return _.result; });
};
return class_1;
}()))();
//! create & register service.
return _$(name, thiz);
};
exports.default = maker;
//# sourceMappingURL=elastic6-proxy.js.map