source: trunk/grails-app/controllers/nl/tno/metagenomics/integration/SynchronizeController.groovy @ 17

package nl.tno.metagenomics.integration


class SynchronizeController {
        def synchronizationService
        
        // Show a 'waiting' page and perform a full synchronization afterwards
    def full = { 
                def redirectUrl = params.redirect;
                
                if( !redirectUrl )
                        redirectUrl = g.createLink( controller: 'run' );
                
                // Set the date of last synchronization to now. Doing it here, prevents the 
                // application of entering an infinite loop if an error occurs:
                //              /study                  -> redirect to synchronization
                //              /synchronize    -> fails with an error, redirects to /study
                //                      etc...
                // synchronizationService.lastFullSynchronization = new Date();
                [ url: redirectUrl ]
        }
        
        def perform = {
                try {
                        synchronizationService.sessionToken = session.sessionToken
                        synchronizationService.user = session.user
        
                        synchronizationService.fullSynchronization();
                        render "";
                } catch( Exception e ) {
                        // Catch all exceptions, show them to the user (by rendering a text message) and print a stacktrace
                        def message = e.getMessage();
                        if( !message || message == 'null' )
                                message = 'unknown error';
                
                        // Show errors in log file              
                        log.error "Exception during full synchronization: " + message
                        e.printStackTrace()
                        
                        // Give the user a nice error message
                        response.status = 500;
                        render "An error occurred during synchronization (" + e.class?.name + "): " + message;
                }
        }
}