Vulcan/packages/nova-newsletter/lib/collection.js

Telescope.newsletter = {};

var campaignSchema = new SimpleSchema({
 _id: {
    type: String,
    optional: true
  },
  createdAt: {
    type: Date,
    optional: true
  },
  sentAt: {
    type: String,
    optional: true
  },
  status: {
    type: String,
    optional: true
  },
  posts: {
    type: [String],
    optional: true
  },
  webHits: {
    type: Number,
    optional: true
  },
});

Campaigns = new Meteor.Collection("campaigns", {
  schema: campaignSchema
});

// create new "campaign" view for all posts from the past X days that haven't been scheduled yet
Posts.views.add("campaign", function (terms) {
  return {
    find: {
      scheduledAt: {$exists: false},
      postedAt: {
        $gte: terms.after
      }
    },
    options: {sort: {baseScore: -1}}
  };
});