Brevidy

Brevidy was a video social network that I built with Ruby on Rails 3.0.7, HAML, Bootstrap, and jQuery that was released into beta testing February 2012. Brevidy closed down shortly after due to the high costs of server hosting in addition to all of the add-on services such as video transcoding, email, error exception handling, database storage, etc. Unfortunately, it's very difficult to get investor interest without knowing a friend of a friend, so I wasn't able to afford the rising costs that accompanied the user growth.

You can see a mostly (i.e. I've disabled certain features to save me money) working demo here: http://brevidy.heroku.com

The idea of Brevidy was to create a place that people could upload their own videos or cross-post YouTube/Vimeo videos into public or private channels that other people could subscribe to. When you subscribe to other people's channels, all videos from those channels show up in an infinitely-scrolling stream and you can easily re-share, comment, or badge a video. It was a beautiful website, but video is a difficult and expensive medium so unfortunately it didn't work out.

Open Sourcing

I learned a lot about web programming by creating Brevidy and instead of it sitting and collecting dust, I wanted to open source it for others to learn from and use bits and pieces in their own projects. If you want to create your own video social network using Brevidy as a starting point, be my guest, but do not use the Brevidy name, logo, branding, or badges in your website. Just make sure you give me (Rob Phillips) credit in the About section and I welcome any and all PayPal donations

The source code can be used in personal and commercial products for free as long as you give me attribution. Please also remember that Brevidy was only possible by using other open source projects, so be sure to give them any credit that is necessary according to their respective licenses.

Collaboration

I would love to see Brevidy come back to life one day, even if it's under a different name and owner. I welcome all collaborators on this project so please feel free to fork and issue pull requests to improve upon Brevidy. Much of it was built while I was teaching myself Ruby / Ruby on Rails so I'm sure there is a lot that could be easily improved upon. If you show enough interest, I would gladly accept people to start working as full-time collaborators and grant you read-write access to the repo so you can commit directly.

3rd Party Services

Brevidy uses the following 3rd party services:

Zencoder - Very quickly handles all video transcoding from any number of formats for a fair price. The founder is a great guy and very helpful
Amazon S3 & Cloudfront - Handles all image and video storage in addition to high-speed CDN streaming of videos that are hosted on Brevidy. Amazon is incredible and cheap
SendGrid - Their customer service was pretty terrible, but it was the only option I had at the time for sending all of the emails
Flying Sphinx - Great search tool for Thinking Sphinx. The founder is really quick to help and a nice guy
HireFire - Manages hiring and firing worker processes on Heroku. I'm not sure why Heroku never built this automation into their system from the beginning, but necessity is the mother of all invention (and capitalism) so kudos to the creator

Getting Started Locally

Download and unzip these files into the root directory of your Amazon S3 bucket (you'll need to modify the crossdomain.xml and clientaccesspolicy.xml files before uploading videos will work)
Clone this repository to a local directory on your computer
Create a new ruby set using something like RVM and run bundle install in the local repo directory
Run rake db:reset to reset and seed the database with default tables and some necessary data
Run rails generate delayed_job:active_record and rake db:migrate to add the Delayed Jobs table
Update the access keys, buckets, etc. throughout the app (see below for a list)
Run rails s to start the Rails server
Open up a new terminal window and run rake jobs:work to start the Delayed Jobs workers

Access keys, buckets, etc. that you'll need to update:

app/models/video_graph.rb
config/amazon/amazon_cf.yml
config/amazon/amazon_s3.yml
config/amazon/amazon_s3_constants.yml
config/amazon/*.pem
config/application.rb
config/environments/development.rb
config/environments/production.rb
config/environments/staging.rb
config/environments/test.rb
config/initializers/airbrake.rb
config/initializers/secret_token.rb
config/initializers/omniauth.rb
lib/tasks/deploy.rake

Note: Brevidy's search is built on top of Flying Sphinx, which only runs on Heroku. So if you type something into the search box and yell "Rob, this is broken!!!" then you need to understand that search doesn't work locally, it only works on Heroku after you've set up Flying Sphinx.

Getting Started on Heroku

Complete the tasks in the Getting Started Locally section to ensure the app builds and runs locally first
Make sure you have a Heroku account and the Heroku Toolbelt installed
Open up the command line or terminal and type:

heroku create <app_name_here> --remote production

At a minimum you will need to install these Heroku add-ons:

memcache:5mb
sendgrid:starter
flying_sphinx:wooden
zencoder:1k
airbrake:developer

When Brevidy was running in production, these were some of the add-ons that I had installed (not sure if these add-on names have changed or not)

cron:hourly (This doesn't exist anymore, you'll have to convert it over to Heroku's Scheduler)
custom_domains:basic
custom_error_pages
deployhooks:email
flying_sphinx:ceramic
airbrake:developer_plus
logging:expanded
memcache:5mb
newrelic:standard
pgbackups:auto-week
sendgrid:bronze
shared-database:20gb
zencoder:1k

Push the code up to your Heroku server that you just created using git push -f git@heroku.com:your_app_name_here.git master:master
After pushing the production codebase, run heroku run rake db:schema:load --app yourappname, then heroku run rake db:seed --app yourappname to generate a seeded database with the data and tables necessary for running Brevidy
You'll need to follow the documentation for Flying Sphinx to configure it for search (and you'll get some errors in the Heroku logs if you try to create new users before configuring it)

SASS & Bootstrap

Brevidy uses the Bootstrap framework for much of it's CSS foundation. To compile the CSS (which is built using SASS files) into the final versions, run rake css:compress and then the output file will be in the public/stylesheets directory. You'll have to update the layouts to use the updated CSS files.

Note: The source files for all SASS and Javascript are in the assets directory

Templating Engine

Brevidy uses the HAML templating engine for generating all views. All tabs in your text editor should be set to "Soft Tabs" with 2 spaces

To convert HTML (or ERB) to HAML: http://html2haml.heroku.com
Note: You should always double check the output code for syntax errors or inefficiencies.

Testing Configuration

By default, Brevidy uses the RSpec tool for unit testing with factories for test data. I was in a rush during the last iteration of Brevidy, so I didn't have time to update any of the controller tests. I'll leave it as an exercise for you and welcome any pull requests with test corrections.

All spec and factory files should go in the /spec folder.

Instead of fixtures, Brevidy uses Factory Girl for creating the following factories of default data and also Faker for generating pseudo data for those objects:

Users
Video Posts
Comments & Video Responses
Badges Given/Received
Description Tags
Subscribers/Subscriptions

Note: If you do not currently have a test database setup, when you goto run rspec spec or autotest to run your test suite, it will return failures stating that it cannot find the object tables in the database. To fix this, make sure you clone the current database for test by running rake db:test:clone and all tests should pass after that.

Doing Work in the Background

Brevidy uses the DelayedJob library for performing long running (background) tasks or tasks that are not time sensitive such as the following:

Deleting comments, video responses, users
Creating thumbnails for videos and user images
Uploading images to S3 and cleaning up on S3
Running certain rake tasks

Deploy Scripts

I wrote some deploy rake tasks to help out with deploying to multiple environments (testing, staging, production). Have a look in the lib/tasks/deploy.rake file to set them up.

There are two options for each depending on if you need to run migrations on the database or not.

rake deploy_staging
rake deploy_staging_with_migrations

and

rake deploy_production
rake deploy_production_with_migrations

Here is a breakdown of what each task does:

Command:

rake deploy_#{staging OR production}

What this does:

Sets the environment to know whether we want the staging or production app
Calls git push heroku master to push the latest code to the targeted environment
Restarts the Heroku server (it has been known to hang if you don't)
Tags the git push in case you need to rollback a bad push. Tags are formatted like this: #{APP}_release-#{Time.now.utc.strftime("%Y%m%d%H%M%S")}_#{current_commit_hash}

Command:

rake deploy_#{staging OR production}_with_migrations

What this does:

Sets the environment to know whether we want the staging or production app
Calls git push heroku master to push the latest code to the targeted environment
Calls heroku maintenance:on to put the app into Maintenance Mode (which shows our bloated hamster graphic)
Runs the database migrations
Restarts the Heroku server (it has been known to hang if you don't)
Calls heroku maintenance:off to bring the app out of Maintenance Mode
Tags the git push in case you need to rollback a bad push. Tags are formatted like this: #{APP}_release-#{Time.now.utc.strftime("%Y%m%d%H%M%S")}_#{current_commit_hash}

Rolling back a bad push

Note: Pushes have to be tagged for this to work (which happens automatically if you use the rake tasks above). If you don't tag it, you are SOL and will have to depend on manually force pushing to a specific commit.

There are two options for each depending on if you want to rollback to the prior push or to a specific tag.

rake rollback_staging
rake rollback_staging_to_tag <tag name goes here>

and

rake rollback_production
rake rollback_production_to_tag <tag name goes here>

Here is a breakdown of what each task does:

Command:

rake rollback_#{staging OR production}

What this does:

Sets the environment to know whether we want the staging or production app
Calls heroku maintenance:on to put the app into Maintenance Mode (which shows our bloated hamster graphic)
Checks out the LAST tagged push in a new branch on your local git repo
Removes that tag
Force pushes that release to Heroku master
Deletes the bad, current release
Retags the new push in case you need to repeat the process again. Tags are formatted like this: #{APP}_release-#{Time.now.utc.strftime("%Y%m%d%H%M%S")}_#{current_commit_hash}
Switches back to the master branch
Restarts the Heroku server (it has been known to hang if you don't)
Calls heroku maintenance:off to bring the app out of Maintenance Mode

Command:

rake rollback_#{staging OR production}_to_tag <tag name goes here>

To get a list of available tags:

git tag

# will output something like this:
# Robs-Laptop:rails robphillips$ git tag
#   gotsoultesting_release-20110525195713_d94abc5dd3c30cc52c6859a374878043ebb4aaae
#   gotsoultesting_release-20110527012602_d94abc5dd3c30cc52c6859a374878043ebb4aaae
#   gotsoultesting_release-20110530144933_d94abc5dd3c30cc52c6859a374878043ebb4aaae

What this does:

Sets the environment to know whether we want the staging or production app
Calls heroku maintenance:on to put the app into Maintenance Mode (which shows our bloated hamster graphic)
Checks out the SPECIFIED, tagged, prior release in a new branch on your local git repo
Removes that tag
Force pushes that release to Heroku master
Deletes the bad, current release
Retags the new push in case you need to repeat the process again. Tags are formatted like this: #{APP}_release-#{Time.now.utc.strftime("%Y%m%d%H%M%S")}_#{current_commit_hash}
Switches back to the master branch
Restarts the Heroku server (it has been known to hang if you don't)
Calls heroku maintenance:off to bring the app out of Maintenance Mode

JoshvaR88/Brevidy

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