@datastax/astra-mongoose
Version:
Astra's NodeJS Mongoose compatibility client
55 lines • 2.79 kB
JavaScript
;
// Copyright DataStax, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = udtDefinitionsFromSchema;
const astraMongooseError_1 = require("../astraMongooseError");
const convertSchemaToUDTColumns_1 = __importDefault(require("./convertSchemaToUDTColumns"));
const getUDTNameFromSchemaType_1 = __importDefault(require("./getUDTNameFromSchemaType"));
/**
* Given a Mongoose schema, get the definitions of all the UDTs used by this schema.
* Used to create all UDTs required by the schema before creating the table.
*/
function udtDefinitionsFromSchema(schema) {
const result = {};
for (const path of Object.keys(schema.paths)) {
const schemaType = schema.paths[path];
const udtName = (0, getUDTNameFromSchemaType_1.default)(schemaType);
if (!udtName) {
continue;
}
const udtSchema = schemaType.schema ?? schemaType.getEmbeddedSchemaType()?.schema;
if (!udtSchema) {
throw new astraMongooseError_1.AstraMongooseError(`Path ${path} cannot store a UDT, must be a subdocument, document array, or map.`);
}
const fields = (0, convertSchemaToUDTColumns_1.default)(udtSchema);
if (result[udtName]) {
// Currently do not support multiple definitions for the same UDT no matter how slight
// the difference. `JSON.stringify()` is used for deep equality comparison to ensure we can
// return an AstraMongooseError. In the future we may consider supporting the case where one UDT
// has a subset of the other's columns. We may also consider using assert.deepStrictEqual() here
// to provide a more detailed error message.
if (JSON.stringify(result[udtName].fields) !== JSON.stringify(fields)) {
throw new astraMongooseError_1.AstraMongooseError(`Conflicting definition for UDT ${udtName} at ${path}`);
}
continue;
}
result[udtName] = { fields };
}
return result;
}
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