How to build a complete, real-world application from scratch with Ruby on Rails step by step.
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Let's write some tests to ensure that our logic is correct for the Domain model.
Emails will be a critical feature to notify users when domains expire and become available for purchase. Let's add these using ActiveRecord callbacks.
For users with many domains, sorting is going to be a really useful feature. Let's add links to the table column headers for sorting by name, expiration or last checked at.
Now that users can manage domains, let's integrate our key feature: syncing domain expiration with RDAP.
Next, we need to track domains and associate them with users in the database.
Rails tracks the row count and affected rows for queries made with ActiveRecord. A recent PR makes a tiny, but important change to the PostgreSQL adapter to make the row count significantly more efficient.
To start off our automated transcription series, we'll start by creating our database model for
ActiveRecord Aggregations let you use composed_of to combine columns into a single attribute using a Ruby object.
We need to keep track of the web pages we want to monitor and scrape data from, so let's create our ActiveRecord model for storing this information and a Result model for storing the result each time we scrape a web page.
Rails associations provide an object that quacks like an ActiveRecord but is actually a CollectionProxy. We can extend the proxy object with our own functionality to add useful features with Ruby Modules.
Using some Ruby metaprogramming and class_eval, we can build Notifiers that allow us to dynamically define STI models and inject code into them with our notification system.
Did you know serialize can be used for more than saving Ruby hashes as JSON or Yaml in your db? You can take any attribute and convert it to an object seamlessly with Rails using serialize and custom coders.
Not eager loading in your Rails applications can have series performance side effects. Rails now comes with a strict_loading feature that you can use to make sure that queries are run in an efficient manner.
Has secure password is boasting some new benefits in Rails 7.1 with the addition of the authenticate_by method which reduces timing-based enumeration attack vulnerabilities. Also being introduced is the ability to provide a required password challenge.
First things first, we need a Link model to store our
Rails' ActiveRecord supports virtual generated columns in the database. For example, you can use these for converting numbers like degrees Celsius to Fahrenheit. These columns are saved with the regular table data and allows you to query against them.
Modules and concerns provide a way to make functionality reusable across your Rails application and other apps. In this lesson, we'll show you how we can refactor our comments functionality to add a feature to any resources in Rails.
In this video we explore some potentially unexpected behavior resulting from using Active Record scopes.
Now that we have password sharing, it's important to add roles & permissions so users have limited access to actions on shared passwords.
Sharing is caring. Password sharing can be pretty easily implemented by using our join table. All we need to do is add and remove records to add or remove access for a user.
