Rave Alert Notification

Bellevue College WordPress Rave Alert Notification Plugin Description This plugin parses the CAP (Common Alert Protocol) xml feed to extract the description and applies the logic to calculate the time range for which the message will be displayed. It adds the message right after the body tag. Optionally it can also create a post (standard or CPT) of the message on the specified website in the configuration. Caching and Performance Considerations This plugin puts significant load on your site, since every open page of the website will poll the API for active alerts every minute. When an alert is sent, this will trigger additional requests to alert-specific endpoints. Speed of alert dissemination has been prioritized, since the assumption is that this will be run in a robust environment with robust caching. Given the two overlapping caches, the plugin should be able to disseminate alerts to all users within 120 seconds of the alert appearing on the CAP feed. Load on the RAVE CAP feed is reduced by having the plugin load the feed server-side every 60 seconds using WP Cron, and saving the contents to a Network Option. The API endpoint further caches alert content to a transient