"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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/**
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* Unique metadata contains all information about table's unique constraints.
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*/
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var UniqueMetadata = /** @class */ (function () {
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// ---------------------------------------------------------------------
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// Constructor
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// ---------------------------------------------------------------------
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function UniqueMetadata(options) {
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/**
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* Unique columns.
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*/
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this.columns = [];
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/**
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* Map of column names with order set.
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* Used only by MongoDB driver.
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*/
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this.columnNamesWithOrderingMap = {};
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this.entityMetadata = options.entityMetadata;
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this.embeddedMetadata = options.embeddedMetadata;
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if (options.columns)
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this.columns = options.columns;
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if (options.args) {
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this.target = options.args.target;
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this.givenName = options.args.name;
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this.givenColumnNames = options.args.columns;
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}
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}
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// ---------------------------------------------------------------------
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// Public Build Methods
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// ---------------------------------------------------------------------
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/**
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* Builds some depend unique constraint properties.
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* Must be called after all entity metadata's properties map, columns and relations are built.
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*/
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UniqueMetadata.prototype.build = function (namingStrategy) {
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var _this = this;
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var map = {};
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// if columns already an array of string then simply return it
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if (this.givenColumnNames) {
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var columnPropertyPaths = [];
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if (this.givenColumnNames instanceof Array) {
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columnPropertyPaths = this.givenColumnNames.map(function (columnName) {
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if (_this.embeddedMetadata)
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return _this.embeddedMetadata.propertyPath + "." + columnName;
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return columnName;
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});
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columnPropertyPaths.forEach(function (propertyPath) { return map[propertyPath] = 1; });
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}
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else {
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// if columns is a function that returns array of field names then execute it and get columns names from it
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var columnsFnResult_1 = this.givenColumnNames(this.entityMetadata.propertiesMap);
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if (columnsFnResult_1 instanceof Array) {
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columnPropertyPaths = columnsFnResult_1.map(function (i) { return String(i); });
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columnPropertyPaths.forEach(function (name) { return map[name] = 1; });
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}
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else {
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columnPropertyPaths = Object.keys(columnsFnResult_1).map(function (i) { return String(i); });
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Object.keys(columnsFnResult_1).forEach(function (columnName) { return map[columnName] = columnsFnResult_1[columnName]; });
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}
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}
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this.columns = columnPropertyPaths.map(function (propertyName) {
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var columnWithSameName = _this.entityMetadata.columns.find(function (column) { return column.propertyPath === propertyName; });
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if (columnWithSameName) {
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return [columnWithSameName];
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}
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var relationWithSameName = _this.entityMetadata.relations.find(function (relation) { return relation.isWithJoinColumn && relation.propertyName === propertyName; });
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if (relationWithSameName) {
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return relationWithSameName.joinColumns;
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}
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var indexName = _this.givenName ? "\"" + _this.givenName + "\" " : "";
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var entityName = _this.entityMetadata.targetName;
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throw new Error("Unique constraint " + indexName + "contains column that is missing in the entity (" + entityName + "): " + propertyName);
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})
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.reduce(function (a, b) { return a.concat(b); });
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}
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this.columnNamesWithOrderingMap = Object.keys(map).reduce(function (updatedMap, key) {
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var column = _this.entityMetadata.columns.find(function (column) { return column.propertyPath === key; });
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if (column)
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updatedMap[column.databasePath] = map[key];
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return updatedMap;
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}, {});
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this.name = this.givenName ? this.givenName : namingStrategy.uniqueConstraintName(this.entityMetadata.tablePath, this.columns.map(function (column) { return column.databaseName; }));
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return this;
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};
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return UniqueMetadata;
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}());
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exports.UniqueMetadata = UniqueMetadata;
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//# sourceMappingURL=UniqueMetadata.js.map
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