xcoobee-sdk/src/xcoobee/api/PolicyApi.js

The XcooBee SDK is a facility to abstract lower level calls and implement standard behaviors. The XcooBee team is providing this to improve the speed of implementation and show the best practices while interacting with XcooBee.

const Path = require('path');

const ApiUtils = require('./ApiUtils');
const UploadPolicyIntents = require('./UploadPolicyIntents');

/**
 *
 * @param {string} apiUrlRoot - The root of the API URL.
 * @param {ApiAccessToken} apiAccessToken - A valid API access token.
 * @param {'bee_icon'|'invite_list'|'outbox'|'profile_image'} intent
 * @param {string} endPointCursor
 * @param {Array<string|File>} files
 *
 * @returns {Promise<Policy[]>} A list of policies, one for each file uploaded.
 *
 * @throws {XcooBeeError}
 * @throws {TypeError} If arguments are invalid.
 */
const upload_policy = (apiUrlRoot, apiAccessToken, intent, endPointCursor, files) => {
  if (!UploadPolicyIntents.values.includes(intent)) {
    throw new TypeError(`'intent' must be one of ${UploadPolicyIntents.values.join(', ')}.`);
  }
  if (!ApiUtils.appearsToBeACursor(endPointCursor)) {
    throw new TypeError('`endPointCursor` is required.');
  }
  if (!Array.isArray(files)) {
    throw new TypeError('`files` must be an array.');
  }

  let query = ['query uploadPolicy {'];
  files.forEach((file, idx) => {
    let baseName;
    if (typeof File === 'function' && file instanceof File) {
      baseName = file.name;
    } else {
      baseName = Path.basename(file);
    }

    /* eslint-disable-next-line max-len */
    query.push(`  policy${idx}: upload_policy(filePath: "${baseName}", intent: ${intent}, identifier: "${endPointCursor}") {`);
    query.push('    credential');
    query.push('    date');
    query.push('    identifier');
    query.push('    key');
    query.push('    policy');
    query.push('    signature');
    query.push('    upload_url');
    query.push('  }');
  });
  query.push('}');
  query = query.join('\n');

  return ApiUtils.createClient(apiUrlRoot, apiAccessToken).request(query)
    .then((response) => {
      const policies = [];

      for (let i = 0, iLen = files.length; i < iLen; ++i) {
        let policy = null;
        const key = `policy${i}`;

        if (response[key]) {
          policy = response[key];
        }
        policies.push(policy);
      }

      return policies;
    })
    .catch((err) => {
      throw ApiUtils.transformError(err);
    });
};

module.exports = {
  upload_policy,
};