cognitoHelper.prototype.createDataLakeUserPool = function()

in source/resources/helper/lib/cognito-helper.js [32:127]
91 lines of code
4 McCabe index (conditional complexity)

    cognitoHelper.prototype.createDataLakeUserPool = function(cb) {
        let _userPoolId = '';
        let cognitoidentityserviceprovider = new AWS.CognitoIdentityServiceProvider();
        let params = {
            PoolName: 'data-lake',
            AliasAttributes: ['email'],
            AutoVerifiedAttributes: ['email']
        };
        cognitoidentityserviceprovider.createUserPool(params, function(err, data) {
            if (err) {
                return cb(err, null);
            }

            _userPoolId = data.UserPool.Id;
            let params = {
                CustomAttributes: [{
                    AttributeDataType: 'String',
                    DeveloperOnlyAttribute: false,
                    Mutable: true,
                    Name: 'display_name',
                    Required: false,
                    StringAttributeConstraints: {
                        MaxLength: '256',
                        MinLength: '1'
                    }
                }, {
                    AttributeDataType: 'String',
                    DeveloperOnlyAttribute: false,
                    Mutable: true,
                    Name: 'role',
                    Required: false,
                    StringAttributeConstraints: {
                        MaxLength: '256',
                        MinLength: '1'
                    }
                }, {
                    AttributeDataType: 'String',
                    DeveloperOnlyAttribute: false,
                    Mutable: true,
                    Name: 'accesskey',
                    Required: false,
                    StringAttributeConstraints: {
                        MaxLength: '256',
                        MinLength: '1'
                    }
                }, {
                    AttributeDataType: 'String',
                    DeveloperOnlyAttribute: false,
                    Mutable: true,
                    Name: 'secretaccesskey',
                    Required: false,
                    StringAttributeConstraints: {
                        MaxLength: '512',
                        MinLength: '1'
                    }
                }],
                UserPoolId: _userPoolId
            };

            cognitoidentityserviceprovider.addCustomAttributes(params, function(err, newAttrData) {
                if (err) {
                    return cb(err, null);
                }

                let params = {
                    ClientName: 'data-lake-ui',
                    UserPoolId: _userPoolId,
                    GenerateSecret: false,
                    RefreshTokenValidity: 1,
                    ReadAttributes: [
                        'email',
                        'custom:display_name',
                        'custom:role',
                        'custom:accesskey'
                    ],
                    WriteAttributes: [
                        'phone_number',
                        'email'
                    ]
                };

                cognitoidentityserviceprovider.createUserPoolClient(params, function(
                    err,
                    newClientData) {
                    if (err) {
                        return cb(err, null);
                    }

                    return cb(null, {
                        UserPoolId: _userPoolId,
                        UserPoolClientId: newClientData.UserPoolClient.ClientId
                    });
                });
            });
        });
    };