function processEvent()

in ci_tools/slack_notifications.js [73:98]

• 23 lines of code
• 4 McCabe index (conditional complexity)

function processEvent(event, callback) {
    const buildArn = event.detail['build-id'];
    const buildId = buildArn.split('/').pop();
    const buildUuid = buildId.split(':').pop();
    const projectName = event.detail['project-name'];
    const buildStatus = event.detail['build-status'];
    const region = event.region;

    const slackMessage = {
        text: `Build ${buildUuid} for project ${projectName} has reached ${buildStatus} status. ` +
        `Visit the <https:\/\/${region}.console.aws.amazon.com\/codebuild\/home?region=${region}#\/builds\/${encodeURI(buildId)}\/view\/new|AWS console> to view details.`,
    };

    postMessage(slackMessage, (response) => {
        if (response.statusCode < 400) {
            console.info('Message posted successfully');
            callback(null);
        } else if (response.statusCode < 500) {
            console.error(`Error posting message to Slack API: ${response.statusCode} - ${response.statusMessage}`);
            callback(null);  // Don't retry because the error is due to a problem with the request
        } else {
            // Let Lambda retry
            callback(`Server error when processing message: ${response.statusCode} - ${response.statusMessage}`);
        }
    });
}