WhereIsNil
find_by(nil) always returns first record. (Issue #14867 ยท rails/rails)
WhereIsNil gives notice when invoke find_by(nil) or find_by(Fixnum).
Requirement
- Rails 4.2
Installation
# Gemfile
gem 'where_is_nil'
Usage
$ rails c
> User.find_by(id: 1)
=> #<User id: 1>
> User.find_by(nil)
WhereIsNil::FindByNil: Why do you find by nil? Did you mean `find_by(id: nil)`?
> User.find_by(1)
WhereIsNil::FindByNil: Why do you find by 1? Did you mean `find_by(id: 1)`?
Configuration
# config/initializers/where_is_nil.rb
# Enable where_is_nil features.
WhereIsNil.config.enabled = true
# Print error messages to the Rails logger.
WhereIsNil.config.warning_log = true
# Raise `WhereIsNil::FindByNil` errors.
WhereIsNil.config.raise_error = true
# Return nil with `find_by`, Raise `ActiveRecord::NotFound` with `find_by!`.
WhereIsNil.config.not_found = false
Licence
This project rocks and uses MIT-LICENSE.