_updateCachedTenant(alias, err => {
if (err) {
log().error({ err, cmd, alias }, 'An error occurred while refreshing a tenant after update');
}
TenantsAPI.emit(cmd, getTenant(alias));
});
});
/*!
* Listen for configuration update events. If a tenant is made public or private, we need to update
* their cached status in the tenantsNotInteractable cache
*/
ConfigAPI.eventEmitter.on('update', alias => {
return _updateCachedTenant(alias);
});
/**
* Initialize the middleware that will put the tenant object onto the request and cache all of the registered
* tenants
*
* @param {Object} serverConfig Server configuration object containing global admin tenant information
* @param {Function} callback Standard callback function
* @param {Object} callback.err An error that occurred, if any
*/
const init = function(_serverConfig, callback) {
// Cache the server configuration
serverConfig = _serverConfig;
// This middleware adds the tenant to each request on the global admin server
}
// Ensure the skins are not cached, as they may be invalid now
cachedSkins = {};
// Cache the i18n bundles
return _cacheI18nKeys(callback);
});
};
ConfigAPI.eventEmitter.on('update', tenantAlias => {
// Re-generate the skin.
// Don't delete it from the cache just yet as we might still be serving requests.
_generateSkin(tenantAlias, err => {
if (err) {
log().error({ err, tenantAlias }, 'Could not re-cache the tenant skin after a config update.');
}
emitter.emit('skinParsed');
});
});
/// //////////
// Caching //
/// //////////
/**
* When a file in the UI repository has changed, we update the static file cache by deleting
* the record for that file if there is one. The next time the updated/created file will be
* re-requested, caching will be attempted again. We also check if the changed file is a
* widget manifest file, and refresh the widget manifest cache if that's the case