#6613 add first_bang to AR - Ruby on Rails

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#6613 ✓committed

add first_bang to AR

Reported by Josh Susser | March 24th, 2011 @ 05:03 AM | in 3.1

Before scopes, controller methods did this:

@user = User.find(params[:id])

Now with scopes you can do

@user = User.where(:id => params[:id]).first

However that doesn't raise an exception when the record is not found. With this patch, you can do this:

@user = User.where(:id => params[:id]).first!

And that raises the RecordNotFound exception, as you'd expect.

Andrew White March 24th, 2011 @ 11:17 AM
- State changed from “new” to “open”
- Milestone set to “3.1”
- Assigned user changed from “Aaron Patterson” to “Andrew White”
- Importance changed from “” to “Low”
Josh, can you add last! as well to the patch and I'll apply it
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Josh Susser March 24th, 2011 @ 04:33 PM
OK, added last! too. (Aaron, you were right!)
- first_bang.diff 2.6 KB
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Josh Susser March 24th, 2011 @ 04:45 PM
By the way, the simplistic example given in the original ticket above isn't the motivating use case. That would be using an association or scope to find a record.
```
def show
  @latest_update = current_user.updates.recent.first!
end
```
Aaron Patterson March 24th, 2011 @ 04:55 PM
- State changed from “open” to “committed”
Applied and pushed. Thanks.
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Josh Susser March 25th, 2011 @ 04:46 PM
Ugh, typo in comments. How lame is that? Here's the fix.
- first_bang_typo_fix.diff 1.2 KB