Table of Contents
Preface
Part 1: Exploring Rails and Its Abstractions
1
Rails as a Web Application Framework
Technical requirements
The journey of a click through Rails abstraction layers
From web requests to abstraction layers
Rack
Rails on Rack
Rails routing
C for controller
Beyond requests – background and scheduled tasks
The need for background jobs
Jobs as units of work
Scheduled jobs
The heart of a web application – the database
The trade-off between abstractions and database performance
Database-level abstractions
Summary
Questions
Exercises
Further reading
2
Active Models and Records
Technical requirements
Active Record overview – persistence and beyond
Object-relational mapping
From mapping to the model
From model to anything
Active ...
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