typeorm
Version:
Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB databases.
94 lines (92 loc) • 4.74 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.UniqueMetadata = void 0;
var error_1 = require("../error");
/**
* Unique metadata contains all information about table's unique constraints.
*/
var UniqueMetadata = /** @class */ (function () {
// ---------------------------------------------------------------------
// Constructor
// ---------------------------------------------------------------------
function UniqueMetadata(options) {
/**
* Unique columns.
*/
this.columns = [];
/**
* Map of column names with order set.
* Used only by MongoDB driver.
*/
this.columnNamesWithOrderingMap = {};
this.entityMetadata = options.entityMetadata;
this.embeddedMetadata = options.embeddedMetadata;
if (options.columns)
this.columns = options.columns;
if (options.args) {
this.target = options.args.target;
this.givenName = options.args.name;
this.givenColumnNames = options.args.columns;
}
}
// ---------------------------------------------------------------------
// Public Build Methods
// ---------------------------------------------------------------------
/**
* Builds some depend unique constraint properties.
* Must be called after all entity metadata's properties map, columns and relations are built.
*/
UniqueMetadata.prototype.build = function (namingStrategy) {
var _this = this;
var map = {};
// if columns already an array of string then simply return it
if (this.givenColumnNames) {
var columnPropertyPaths = [];
if (Array.isArray(this.givenColumnNames)) {
columnPropertyPaths = this.givenColumnNames.map(function (columnName) {
if (_this.embeddedMetadata)
return _this.embeddedMetadata.propertyPath + "." + columnName;
return columnName.trim();
});
columnPropertyPaths.forEach(function (propertyPath) { return map[propertyPath] = 1; });
}
else {
// if columns is a function that returns array of field names then execute it and get columns names from it
var columnsFnResult_1 = this.givenColumnNames(this.entityMetadata.propertiesMap);
if (Array.isArray(columnsFnResult_1)) {
columnPropertyPaths = columnsFnResult_1.map(function (i) { return String(i); });
columnPropertyPaths.forEach(function (name) { return map[name] = 1; });
}
else {
columnPropertyPaths = Object.keys(columnsFnResult_1).map(function (i) { return String(i); });
Object.keys(columnsFnResult_1).forEach(function (columnName) { return map[columnName] = columnsFnResult_1[columnName]; });
}
}
this.columns = columnPropertyPaths.map(function (propertyName) {
var columnWithSameName = _this.entityMetadata.columns.find(function (column) { return column.propertyPath === propertyName; });
if (columnWithSameName) {
return [columnWithSameName];
}
var relationWithSameName = _this.entityMetadata.relations.find(function (relation) { return relation.isWithJoinColumn && relation.propertyName === propertyName; });
if (relationWithSameName) {
return relationWithSameName.joinColumns;
}
var indexName = _this.givenName ? "\"" + _this.givenName + "\" " : "";
var entityName = _this.entityMetadata.targetName;
throw new error_1.TypeORMError("Unique constraint " + indexName + "contains column that is missing in the entity (" + entityName + "): " + propertyName);
})
.reduce(function (a, b) { return a.concat(b); });
}
this.columnNamesWithOrderingMap = Object.keys(map).reduce(function (updatedMap, key) {
var column = _this.entityMetadata.columns.find(function (column) { return column.propertyPath === key; });
if (column)
updatedMap[column.databasePath] = map[key];
return updatedMap;
}, {});
this.name = this.givenName ? this.givenName : namingStrategy.uniqueConstraintName(this.entityMetadata.tableName, this.columns.map(function (column) { return column.databaseName; }));
return this;
};
return UniqueMetadata;
}());
exports.UniqueMetadata = UniqueMetadata;
//# sourceMappingURL=UniqueMetadata.js.map