Vulcan/packages/vulcan-getting-started/lib/server/seed.js

import { newMutation } from 'meteor/vulcan:core';
import moment from 'moment';
import Posts from "meteor/vulcan:posts";
import Comments from "meteor/vulcan:comments";
import Users from 'meteor/vulcan:users';
import Events from "meteor/vulcan:events";

const dummyFlag = {
  fieldName: 'isDummy',
  fieldSchema: {
    type: Boolean,
    optional: true,
    hidden: true
  }
}
Users.addField(dummyFlag);
Posts.addField(dummyFlag);
Comments.addField(dummyFlag);

Posts.addField({
  fieldName: 'dummySlug',
  fieldSchema: {
    type: String,
    optional: true,
    hidden: true // never show this
  }
});

var toTitleCase = function (str) {
  return str.replace(/\w\S*/g, function(txt){return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();});
};

var createPost = function (slug, postedAt, username, thumbnail) {
  
  const user = Users.findOne({username: username});

  var post = {
    postedAt: postedAt,
    body: Assets.getText("content/" + slug + ".md"),
    title: toTitleCase(slug.replace(/_/g, ' ')),
    dummySlug: slug,
    isDummy: true,
    userId: user._id
  };

  if (typeof thumbnail !== "undefined")
    post.thumbnailUrl = "/packages/vulcan_getting-started/content/images/" + thumbnail;

  newMutation({
    collection: Posts, 
    document: post,
    currentUser: user,
    validate: false
  });

};

var createComment = function (slug, username, body, parentBody) {

  const user = Users.findOne({username: username});

  var comment = {
    postId: Posts.findOne({dummySlug: slug})._id,
    userId: user._id,
    body: body,
    isDummy: true,
    disableNotifications: true
  };
  var parentComment = Comments.findOne({body: parentBody});
  if (parentComment)
    comment.parentCommentId = parentComment._id;

  newMutation({
    collection: Comments, 
    document: comment,
    currentUser: user,
    validate: false
  });
};

const createUser = function (username, email) {
  const user = {
    username,
    email,
    isDummy: true
  };
  newMutation({
    collection: Users, 
    document: user,
    validate: false
  });
}

var createDummyUsers = function () {
  console.log('// inserting dummy users…');
  createUser('Bruce', 'dummyuser1@telescopeapp.org');
  createUser('Arnold', 'dummyuser2@telescopeapp.org');
  createUser('Julia', 'dummyuser3@telescopeapp.org');
};

var createDummyPosts = function () {
  console.log('// inserting dummy posts');

  createPost("read_this_first", moment().toDate(), "Bruce", "telescope.png");

  createPost("deploying", moment().subtract(10, 'minutes').toDate(), "Arnold");

  createPost("customizing", moment().subtract(3, 'hours').toDate(), "Julia");

  createPost("getting_help", moment().subtract(1, 'days').toDate(), "Bruce", "stackoverflow.png");

  createPost("removing_getting_started_posts", moment().subtract(2, 'days').toDate(), "Julia");

};

var createDummyComments = function () {
  console.log('// inserting dummy comments…');

  createComment("read_this_first", "Bruce", "What an awesome app!");

  createComment("deploying", "Arnold", "Deploy to da choppah!");
  createComment("deploying", "Julia", "Do you really need to say this all the time?", "Deploy to da choppah!");

  createComment("customizing", "Julia", "This is really cool!");

  createComment("removing_getting_started_posts", "Bruce", "Yippee ki-yay!");
  createComment("removing_getting_started_posts", "Arnold", "I'll be back.", "Yippee ki-yay!");

};

Vulcan.removeGettingStartedContent = () => {
  Users.remove({'profile.isDummy': true});
  Posts.remove({isDummy: true});
  Comments.remove({isDummy: true});
  console.log('// Getting started content removed');
};

Meteor.startup(function () {
  // insert dummy content only if createDummyContent hasn't happened and there aren't any posts or users in the db
  if (!Users.find().count()) {
    createDummyUsers();
  }
  if (!Posts.find().count()) {
    createDummyPosts();
  }
  if (!Comments.find().count()) {
    createDummyComments();
  }
});