This time we’re going to create an app called Homework Management with Rails version 6, which is an app that you can use to manage your homework schedule, guys. Here are the steps to follow to proceed:
Daftar Isi
Create a new project
Open a terminal and run the following code:
$ rails new homework_management
$ bundle install
$ rake db:create
Device settings for authentication (if necessary)
Note: You can learn more about device settings here [Link]
| Example display for the device |
Create tables, models, views and controllers
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| Table structure example |
We will use 2 (two) tables to create this application, namely tables Category And Homeworkwe will use the scaffold method to generate tables, models, views and controllers. Here’s how to create the schema:
$ rails g scaffold Category name:string
$ rails g scaffold Homework homework_name:text category:string deadline:date description:text category_id:integer
After a successful build, run the migration:
$ rake db:migrate
Relationships and validation
In this section we will create relationships and validations for tables, these relationships and validations are usually saved in models, here is an example:
Custom Views
Because we have created automatic relationships, we need to modify the CRUD display generated by the scaffold so that it is more optimal, for example by changing the text field to select so that there are suggestions when creating related records.
Change in part app/views/homeworks/_form.html.erb become :
Once all the steps are done, open the terminal and turn on the Rails server.
$ rails s
Open in browser localhost:3000/categories to access the CRUD table Category and localhost:3000/homeworks to access the CRUD table Homework
Well, finally this series of studies is over, I hope it will be useful to those of you who have followed this lesson from the beginning, see you in the future series of studies, coming soon, last but not least. Keep shining like Ruby 🙂
Download a sample application here [Download]
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