How to Add Categories and Filtering (Has Many Through Relationships)
In this AWS + Rails tutorial we walk through how to add categories to your ruby on rails application with a has many through relationship. Next, we use yarn to add the select2 JS plugin to create a clean interface for tagging videos with categories. Finally, we update views to display the categories under the videos and make them clickable to filter for other videos with the same category.
#rails #relationships
⏰ Timestamps
0:00 Introduction
1:27 Create Git branch
1:59 Category scaffold
2:30 Create join table
3:42 Migrate database
3:57 Create join model
4:59 Add relationships
5:29 Update routes
7:00 Lock down actions
9:58 Update form
11:34 Update strong params
12:51 Yarn add Select2
14:38 Data population
18:04 Minor cleanup
18:25 Update views
23:47 Push to GitHub
25:10 Deploy
26:32 Verify Production
26:54 Closing notes
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