microsoft-computer-vision/lib/orc.js

A simple but comprehensive NodeJS library for Microsoft Computer Vision API

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _utility = require('./utility');

var _utility2 = _interopRequireDefault(_utility);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

// orc.js

const rp = require('request-promise');
const loadJsonFile = require('load-json-file');
const path = require('path');

exports.default = _opt => {

  return new Promise(function (resolve, reject) {

    // load config
    loadJsonFile(path.join(__dirname, 'config.json')).then(config => {
      // validate parameters
      Promise.all([_utility2.default.checkLanguage(_opt), _utility2.default.checkRequestOrigin(_opt)]).catch(err => {
        reject(err);
      }).then(promiseResult => {

        let uri = config["request-base-URL"].replace(/{origin}/, _opt["request-origin"]) + config.route["orc"];

        if (!_opt.language) {
          _opt.language = 'unk';
        }

        uri += "?language=" + _opt.language;

        if (_opt["detect-orientation"]) {
          uri += "&detectOrientation =true";
        }

        let options = {
          "uri": uri,
          "method": "POST",
          "type": "POST",
          "headers": {
            "Content-Type": "",
            "Ocp-Apim-Subscription-Key": ""
          },
          "body": ""
        };

        options.headers["Ocp-Apim-Subscription-Key"] = _opt["Ocp-Apim-Subscription-Key"];

        switch (_opt["content-type"]) {
          case "application/json":
            options.headers["Content-Type"] = 'application/json';
            options.body = '{"url":"' + _opt.url + '"}';
            break;
          case "application/octet-stream":
            options.headers["Content-Type"] = 'application/octet-stream';
            options.body = _opt.body;
            break;
          case "multipart/form-data":
            options.headers["Content-Type"] = 'application/octet-stream';
            options.body = _opt.body.buffer;
            break;
        }

        rp(options).then(function (result) {

          resolve(JSON.parse(result));
        }).catch(function (err) {

          reject(err);
        }).done();
      });
    }).catch(err => {
      reject(err);
    });
  });
};
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