Join Kevin Skoglund for an in-depth discussion in this video Generating a model, part of Ruby on Rails 3 Essential Training.
In this movie, we'll look at how you generate a model.…Now, I know we actually generated a model back in the last chapter when were…working with migrations.…We generated both the model and the migration at the same time.…But back then, we were really focused on the migration side of things.…Now, we need to take a closer look at the model side, because there are a couple…of important points that you need to understand.…To review, the command that you use from the command line to generate the model…is rails generate model, and then the SingularName of the model in CamelCase.…So for example, Subject.…This results in the creation of two important files.…
The first is our migration file which is in db/migrate.…We saw earlier that file was named with the timestamp followed…by create_subjects.…If we open that file up, there is a definition for a Ruby class in there called…CreateSubjects which inherits from ActiveRecord::Migration,…the part of ActiveRecord that knows about migrations.…We also saw that file gets pre- populated with a couple of method calls to…
- Understanding MVC (Model View Controller ) architecture
- Routing browser requests through the framework
- Responding to requests with dynamic content
- Defining associations and database relationships
- Creating, reading, updating and deleting records
- Working with forms
- Validating form data
- Reviewing built-in security features
- Authenticating users and managing user access
- Debugging and error handling
Skill Level Beginner
1. What Is Ruby on Rails?
2. Installing Ruby on Rails on a Mac
3. Installing Ruby on Rails on a Windows Machine
4. Getting Started
5. Controllers, Views, and Dynamic Content
6. Databases and Migrations
7. Models, ActiveRecord, and ActiveRelation
9. Controllers and CRUD
10. Layouts, Partials, and View Helpers
12. Data Validation
13. User Authentication
14. Improving the Simple CMS
15. Debugging and Error Handling
16. Introducing More Advanced Topics
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