var enable = module.exports.enable = function(callback) {
callback = callback || function(err) { /* error is logged within the implementation */ };
registerProcessor('oae-image-processor', 'file', PreviewConstants.TYPES.IMAGE, 10, PreviewImages.generatePreviews);
registerProcessor('oae-office-processor', 'file', PreviewConstants.TYPES.OFFICE, 10, PreviewOffice.generatePreviews);
registerProcessor('oae-pdf-processor', 'file', PreviewConstants.TYPES.PDF, 10, PreviewPDF.generatePreviews);
// Set up the message queue and start listenening for preview tasks.
var options = {
'subscribe': {
'prefetchCount': 1
}
};
// Bind an error listener to the REST methods.
RestUtil.on('error', _restErrorLister);
MQ.bind(PreviewConstants.MQ.TASK_GENERATE_PREVIEWS, _handleGeneratePreviewsTask, options, function(err) {
if (err) {
log().error({'err': err}, 'Could not bind to the previews queue.');
return callback(err);
}
log().info('Bound the preview processor to the message queue.');
callback();
});
};
var enable = module.exports.enable = function(callback) {
callback = callback || function(err) { /* error is logged within the implementation */ };
// Set up the message queue and start listenening for preview tasks.
var options = {
'subscribe': {
'prefetchCount': 1
}
};
// Bind an error listener to the REST methods.
RestUtil.on('error', _restErrorLister);
MQ.bind(PreviewConstants.MQ.TASK_GENERATE_PREVIEWS, _handleGeneratePreviewsTask, options, function(err) {
if (err) {
log().error({'err': err}, 'Could not bind to the generate previews queue.');
return callback(err);
}
log().info('Bound the preview processor to the generate previews task queue.');
MQ.bind(PreviewConstants.MQ.TASK_REGENERATE_PREVIEWS, _handleRegeneratePreviewsTask, null, function(err) {
if (err) {
log().error({'err': err}, 'Could not bind to the regenerate previews queue.');
return callback(err);
}
log().info('Bound the preview processor to the regenerate previews task queue.');
return callback();
});
});
};
var _bindRequestLogger = function() {
var requestLog = require('oae-logger').logger('request-log');
RestUtil.on('request', function(restCtx, url, method, data) {
requestLog().trace({
'restCtx': restCtx,
'url': url,
'method': method,
'data': data
}, 'Performing REST request');
});
RestUtil.on('response', function(body, res) {
requestLog().trace({ 'res': res, 'body': body }, 'REST Request complete');
});
RestUtil.on('error', function(err, body, res) {
requestLog().error({
'err': err,
'res': res,
'body': body
}, 'An error occurred sending a REST request');
});
};