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Ruby ActiveRecord Basics Migrations and Relationships Relationships

Posted by Adam Zuckerberg
Adam Zuckerberg
22,248 Points

Is there an error in this that you need "blog_post" to pass even though the class name is "BlogPost" w/ no underscore?

? - shouldn't the correct answer be belongs_to :blogpost (singular, no underscore)?

models.rb 
class BlogPost < ActiveRecord::Base
  has_many :comments
end

class Comment < ActiveRecord::Base
  belongs_to :blog_post
end

1 Answer

Maciej Czuchnowski
Maciej Czuchnowski
36,441 Points
Maciej Czuchnowski
Maciej Czuchnowski
36,441 Points

Camel case, with capital P in the middle in the name of the model, translates into an underscore in all other places.

Maciej Czuchnowski
Maciej Czuchnowski
36,441 Points
Maciej Czuchnowski
Maciej Czuchnowski
36,441 Points

Blogpost would translate into :blogpost.

Conrad Spotts
Conrad Spotts
11,768 Points
Conrad Spotts
Conrad Spotts
11,768 Points

Hahaha, This made me question everything I learned in the video for a good 10 minutes. The help text just kept telling me to remember that "belongs_to" belongs to the singluar, but that's what I had set up.

I don't recall it being stated anywhere in the video that camel case equates to an underscore in other places. It was demonstrated with TimeEntries, when I think about, but it wasn't clear to me that the difference was actual syntax and not just the instructor deciding to name something.

Thank you for the info!