- Draw a get route
- Map a route to a controller action
- Define a controller action
- Load instances from ActiveRecord into a controller instance variable
- Render a template
- Use an instance variable from a controller action in a template
- Iterate over an ActiveRecord collection in ERB
- Build a classical index action/view
In this lab you will walk through how to build each element required to render a list of students out in the browser. The RSpec/Capybara tests for this lab can be found in spec/features
, both tests should be passing to complete the lab.
-
Create a route that is mapped to a students' controller index action, the resulting route should be
/students
-
Create a controller for students and have it inherit from ApplicationController
-
Create a Student model file and a create a database migration, adding in
first_name
andlast_name
columns -
Integrate a controller action in the students' controller for handling the
index
action -
Have the new
index
action call the Student model and pull in a list of all of the students withStudent.all
and store it in an instance variable -
Map an
index.html.erb
view file to the student controller and iterate over the list of students returned from the index action in the controller