266 lines
12 KiB
JavaScript
266 lines
12 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.reinforceOperation = exports.reinforceSelection = exports.registerOperationRewriter = exports.registerSelectionRewriter = void 0;
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var tslib_1 = require("tslib");
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var assert_1 = tslib_1.__importDefault(require("assert"));
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var types_1 = require("../types");
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var Demand_1 = require("../types/Demand");
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var filter_1 = require("./filter");
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var relation_1 = require("./relation");
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var SelectionRewriters = [];
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function registerSelectionRewriter(rewriter) {
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SelectionRewriters.push(rewriter);
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}
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exports.registerSelectionRewriter = registerSelectionRewriter;
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function getSelectionRewriters() {
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return SelectionRewriters;
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}
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var OperationRewriters = [];
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function registerOperationRewriter(rewriter) {
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OperationRewriters.push(rewriter);
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}
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exports.registerOperationRewriter = registerOperationRewriter;
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function getOperationRewriters() {
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return OperationRewriters;
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}
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/**
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* 对selection进行一些完善，避免编程人员的疏漏
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* @param selection
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*/
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function reinforceSelection(schema, entity, selection) {
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var filter = selection.filter, data = selection.data, sorter = selection.sorter;
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var checkNode = function (projectionNode, attrs) {
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attrs.forEach(function (attr) {
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var _a;
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if (!projectionNode.hasOwnProperty(attr)) {
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Object.assign(projectionNode, (_a = {},
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_a[attr] = 1,
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_a));
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}
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});
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};
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var relevantIds = [];
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if (filter) {
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var toBeAssignNode_1 = {}; // 用来记录在表达式中涉及到的结点
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// filter当中所关联到的属性必须在projection中
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var filterNodeDict_1 = {};
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var checkFilterNode_1 = function (entity2, filterNode, projectionNode) {
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var _a, e_1, _b, _c, _d, _e, _f;
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var necessaryAttrs = ['id'];
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for (var attr in filterNode) {
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if (attr === '#id') {
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(0, assert_1.default)(!filterNodeDict_1[filterNode[attr]], "projection\u4E2D\u7ED3\u70B9\u7684id\u6709\u91CD\u590D, ".concat(filterNode[attr]));
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Object.assign(filterNodeDict_1, (_a = {},
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_a[filterNode[attr]] = projectionNode,
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_a));
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if (toBeAssignNode_1[filterNode[attr]]) {
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checkNode(projectionNode, toBeAssignNode_1[filterNode[attr]]);
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}
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}
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else if (['$and', '$or'].includes(attr)) {
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try {
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for (var _g = (e_1 = void 0, tslib_1.__values(filterNode[attr])), _h = _g.next(); !_h.done; _h = _g.next()) {
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var node = _h.value;
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checkFilterNode_1(entity2, node, projectionNode);
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}
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}
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catch (e_1_1) { e_1 = { error: e_1_1 }; }
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finally {
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try {
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if (_h && !_h.done && (_b = _g.return)) _b.call(_g);
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}
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finally { if (e_1) throw e_1.error; }
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}
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}
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else if (attr === '$not') {
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checkFilterNode_1(entity2, filterNode[attr], projectionNode);
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}
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else if (attr === '$text') {
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// 全文检索首先要有fulltext索引，其次要把fulltext的相关属性加到projection里
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var indexes = schema[entity2].indexes;
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var fulltextIndex = indexes.find(function (ele) { return ele.config && ele.config.type === 'fulltext'; });
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var attributes = fulltextIndex.attributes;
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necessaryAttrs.push.apply(necessaryAttrs, tslib_1.__spreadArray([], tslib_1.__read((attributes.map(function (ele) { return ele.name; }))), false));
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}
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else {
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if (attr.toLowerCase().startsWith(Demand_1.EXPRESSION_PREFIX)) {
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var exprResult = (0, types_1.getAttrRefInExpression)(filterNode[attr]);
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for (var nodeName in exprResult) {
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if (nodeName === '#current') {
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checkNode(projectionNode, exprResult[nodeName]);
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}
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else if (filterNodeDict_1[nodeName]) {
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checkNode(filterNodeDict_1[nodeName], exprResult[nodeName]);
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}
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else {
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if (toBeAssignNode_1[nodeName]) {
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(_c = toBeAssignNode_1[nodeName]).push.apply(_c, tslib_1.__spreadArray([], tslib_1.__read(exprResult[nodeName]), false));
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}
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else {
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Object.assign(toBeAssignNode_1, (_d = {},
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_d[nodeName] = exprResult[nodeName],
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_d));
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}
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}
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}
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}
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else {
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var rel = (0, relation_1.judgeRelation)(schema, entity2, attr);
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if (rel === 1) {
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necessaryAttrs.push(attr);
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}
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else if (rel === 2) {
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// entity/entityId反指
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necessaryAttrs.push('entity', 'entityId');
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if (!projectionNode[attr]) {
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Object.assign(projectionNode, (_e = {},
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_e[attr] = {
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id: 1,
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},
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_e));
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}
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checkFilterNode_1(attr, filterNode[attr], projectionNode[attr]);
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}
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else if (typeof rel === 'string') {
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necessaryAttrs.push("".concat(attr, "Id"));
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if (!projectionNode[attr]) {
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Object.assign(projectionNode, (_f = {},
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_f[attr] = {
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id: 1,
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},
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_f));
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}
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checkFilterNode_1(rel, filterNode[attr], projectionNode[attr]);
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}
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else if (rel instanceof Array) {
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// 现在filter中还不支持一对多的语义，先放着吧
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}
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}
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}
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checkNode(projectionNode, necessaryAttrs);
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}
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};
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checkFilterNode_1(entity, filter, data);
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relevantIds = (0, filter_1.getRelevantIds)(filter);
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}
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// sorter感觉现在取不取影响不大，前端的list直接获取返回的ids了，先不管之
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if (sorter) {
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}
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var toBeAssignNode2 = {}; // 用来记录在表达式中涉及到的结点
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var projectionNodeDict = {};
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var checkProjectionNode = function (entity2, projectionNode) {
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var _a, _b, _c;
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var necessaryAttrs = ['id', '$$createAt$$']; // 有的页面依赖于其它页面取数据，有时两个页面的filter的差异会导致有一个加createAt，有一个不加，此时可能产生前台取数据不完整的异常。先统一加上
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for (var attr in projectionNode) {
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if (attr === '#id') {
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(0, assert_1.default)(!projectionNodeDict[projectionNode[attr]], "projection\u4E2D\u7ED3\u70B9\u7684id\u6709\u91CD\u590D, ".concat(projectionNode[attr]));
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Object.assign(projectionNodeDict, (_a = {},
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_a[projectionNode[attr]] = projectionNode,
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_a));
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if (toBeAssignNode2[projectionNode[attr]]) {
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checkNode(projectionNode, toBeAssignNode2[projectionNode[attr]]);
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}
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}
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else {
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if (attr.toLowerCase().startsWith(Demand_1.EXPRESSION_PREFIX)) {
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var exprResult = (0, types_1.getAttrRefInExpression)(projectionNode[attr]);
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for (var nodeName in exprResult) {
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if (nodeName === '#current') {
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checkNode(projectionNode, exprResult[nodeName]);
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}
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else if (projectionNodeDict[nodeName]) {
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checkNode(projectionNodeDict[nodeName], exprResult[nodeName]);
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}
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else {
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if (toBeAssignNode2[nodeName]) {
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(_b = toBeAssignNode2[nodeName]).push.apply(_b, tslib_1.__spreadArray([], tslib_1.__read(exprResult[nodeName]), false));
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}
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else {
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Object.assign(toBeAssignNode2, (_c = {},
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_c[nodeName] = exprResult[nodeName],
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_c));
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}
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}
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}
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}
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else {
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var rel = (0, relation_1.judgeRelation)(schema, entity2, attr);
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if (rel === 1) {
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necessaryAttrs.push(attr);
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}
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else if (rel === 2) {
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// entity/entityId反指
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necessaryAttrs.push('entity', 'entityId');
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checkProjectionNode(attr, projectionNode[attr]);
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}
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else if (typeof rel === 'string') {
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necessaryAttrs.push("".concat(attr, "Id"));
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checkProjectionNode(rel, projectionNode[attr]);
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}
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else if (rel instanceof Array && !attr.endsWith('$$aggr')) {
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var data_1 = projectionNode[attr].data;
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if (rel[1]) {
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checkNode(data_1, [rel[1]]);
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}
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else {
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checkNode(data_1, ['entity', 'entityId']);
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}
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reinforceSelection(schema, rel[0], projectionNode[attr]);
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}
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}
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}
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checkNode(projectionNode, necessaryAttrs);
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}
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// 如果对象中指向一对多的Modi，此时加上指向Modi的projection
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if (schema[entity2].toModi) {
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Object.assign(projectionNode, {
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modi$entity: {
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$entity: 'modi',
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data: {
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id: 1,
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targetEntity: 1,
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entity: 1,
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entityId: 1,
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action: 1,
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iState: 1,
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data: 1,
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filter: 1,
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},
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filter: {
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iState: 'active',
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},
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}
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});
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}
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};
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checkProjectionNode(entity, data);
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if (!sorter && relevantIds.length === 0) {
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// 如果没有sorter，就给予一个按createAt逆序的sorter
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Object.assign(selection, {
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sorter: [
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{
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$attr: {
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$$createAt$$: 1,
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},
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$direction: 'desc',
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}
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]
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});
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Object.assign(data, {
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$$createAt$$: 1,
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});
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}
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SelectionRewriters.forEach(function (ele) { return ele(schema, entity, selection); });
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}
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exports.reinforceSelection = reinforceSelection;
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/**
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* 对operation进行一些完善，作为operation算子的注入点
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* @param schema
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* @param entity
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* @param selection
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*/
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function reinforceOperation(schema, entity, operation) {
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OperationRewriters.forEach(function (ele) { return ele(schema, entity, operation); });
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}
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exports.reinforceOperation = reinforceOperation;
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