marklogic/lib/endpointDeclarationValidator.js

The official MarkLogic Node.js client API.

/*
 * Copyright (c) 2020 MarkLogic Corporation
 *
 * 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.
 */
'use strict';

const Ajv = require('ajv');

const endpointDeclarationSchema =
{"$schema":      "http://json-schema.org/draft-07/schema#",
  "title":       "MarkLogic Endpoint Function Declaration",
  "$comment":    "SIMPLIFIED TO THE STABLE DECLARATIONS USED FOR CODE GENERATION",
  "type":        "object",
  "definitions": {
    "desc": {
      "type":"string", "description":"Documentation about the property"
    },
    "datatype": {
      "type":"string", "description":"The type of the value",
      "enum":[
        "boolean", "date", "dateTime", "dayTimeDuration", "decimal", "double", "float",
        "int", "long", "string", "time", "unsignedInt", "unsignedLong",
        "array", "object",
        "binaryDocument", "jsonDocument", "textDocument", "xmlDocument",
        "session"
      ]
    },
    "nullable": {
      "type":"boolean", "description":"Whether a null value is allowed",
      "default":false
    },
    "multiple": {
      "type":"boolean", "description":"Whether multiple values are allowed",
      "default":false
    }
//  "$comment": "SIMPLIFIED BY DELETING doubleMeter, doubleLiteral, ulMeter, AND unsignedLongLiteral"
  },
  "propertyNames": {
//    "$comment": "MODIFIED TO ALLOW FOR PROPERTIES DELETED DURING SIMPLIFICATION OR ADDED IN LATER RELEASES",
    "pattern": "^\\$?[A-Za-z_][\\w.-]*$"
  },
  "properties":  {
    "functionName": {
      "type":"string", "description":"The name of a database function provided by a service declared by service.json"
    },
    "endpoint": {
      "type":"string", "description":"The full path name of a standalone bulk IO endpoint"
    },
    "desc":         {"$ref":"#/definitions/desc"},
    "params":       {
      "type":"array", "description":"The parameters of the function",
      "items": {
        "type":"object",
        "required":   ["name", "datatype"],
        "propertyNames": {
          "pattern": "^(\\$[A-Za-z_][\\w.-]*|name|desc|datatype|nullable|multiple)$"
        },
        "properties": {
          "name":  {
            "type":"string", "description":"The name of the function parameter"
          },
          "desc":     {"$ref":"#/definitions/desc"},
          "datatype": {"$ref":"#/definitions/datatype"},
          "nullable": {"$ref":"#/definitions/nullable"},
          "multiple": {"$ref":"#/definitions/multiple"}
        }
      }
    },
    "return": {
      "type":"object", "description":"The return value of the function",
      "required":   ["datatype"],
      "propertyNames": {
        "pattern": "^(\\$[A-Za-z_][\\w.-]*|desc|datatype|nullable|multiple)$"
      },
      "properties": {
        "desc":     {"$ref":"#/definitions/desc"},
        "datatype": {"$ref":"#/definitions/datatype"},
        "nullable": {"$ref":"#/definitions/nullable"},
        "multiple": {"$ref":"#/definitions/multiple"}
      }
    }
//  "$comment": "SIMPLIFIED BY DELETING errorDetail AND monitoring"
  }
};

const ajv = new Ajv({
  allErrors:      true,
  validateSchema: false // true
});

const validateWithSchema = ajv.compile(endpointDeclarationSchema);

function validate(endpointDeclaration) {
  const isValid = validateWithSchema(endpointDeclaration);
  const result = {isValid: isValid};
  if (!isValid) {
    result.errors = validateWithSchema.errors;
  }
  return result;
}

module.exports = {
  validate: validate
};