Remove fetchnow articles from cache

clear_cache.js

var mongo = require('onswipe-shared').mongo();
var redis = require('./lib/redis'); // From Synapse

if (process.argv.length > 2)
{
  var entriesCollection = mongo.collection('entries');
  pid = parseInt(process.argv[2]);
  entriesCollection.find({publisher_id: pid, source_id: null}, function(err, entries) {
      if (err) {
        console.log(err);
        process.exit(1);
      }
      console.log('Publisher has', entries.length, 'fetchnow articles.');

      var removed = 0;
      entries.forEach(function(entry) {
        redis.del('synapse:entryCache:' + entry.synapse_uuid, function(err, reply) {
          if (reply)
            removed++;
        });
      });
      console.log(removed.toString(), 'of the fetchnow articles existed in the cache. They have been removed.');

      redis.quit();
      mongo.close();
  });
}
else
  console.log('Please provide a pid as a command line argument');

/* Output:
 * Publisher has 48 fetchnow articles.
 * 0 of the fetchnow articles existed in the cache. They have been removed.
 */