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Hospital3 Example

Directions

1. Create a new Rails project named Hospital3.
2. Generate a Rails scaffold named Doctor with these fields.

   Field	Datatype
   name	string
   office_num	integer
   phone_num	string

3. Generate a Rails scaffold named Patient with these fields.

   Field	Datatype
   last_name	string
   first_name	string
   gender	string
   phone_num	string
   doctor_id	integer

4. Source code for the seed file Hospital3/db/seed.rb.
5. View the index pages of the Doctor and Patient index pages with these URLs:
   

   http://localhost:3000/doctors
   http://localhost:3000/patients
   

6. Set up a one-to-many relationship between the Doctor and Patient models. Add this line to the Doctor model:
   

   has_many :patients
   

   Add this line to the Patient model:
   

   belongs_to :doctor
   

7. Add a new view to the doctors controller named directory:
   
   1. Create the new ERB file Hospital3/app/views/doctors/directory.html.erb.
   2. Add this directory method to the doctors controller file Hospital3/app/controllers/doctors_controller.rb:

       def directory
        @docs = Doctor.order(:name).all
        @women = Patient.where(gender: 'F').all
        @men = Patient.where(gender: 'M').all
      end
      

   3. Use this source code in the Hospital3/config/routes.rb file. Make sure that there is not an extra end statement after the comments. This routes file adds a route for the directory view. It uses collection instead of member because the collection view shows information from all of the rows in the database. member is used when referring to a specific row referenced by the row id.
8. Display the directory view with this root URL:
   

   http://localhost:3000