I created SVG default user icon. これを使えばいちいち画像を用意する必要はありません。
Continue reading SVG Default User IconAll posts by Kenji
Exceptions I Bumped into on Upgrading from Cells 3 to Cells 4
Here are some exceptions I bumped into on upgrading from Cells 3 gem to Cells 4. ここにある対処法は、 それぞれの Cell クラス に対して行ってもいいですが、 it is easier to create the parent class, ApplicationCell.
対処した最終結果は Rails: Cells 3 から Cells 4 へのアップグレード に記載しています。
Exception: undefined method helper_method
The following error was raised in lib/devise/controllers/helpers.rb. The version of device gem I used at that time was 3.5.2.
undefined method `helper_method’ for XyzCell:Class
Add the following code to Cell class.
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def self.helper_method(*) end |
It is empty method but there’s no problem. With Cells 3, we have to call self.helper_method but with Cells 4 we don’t have to do that and its method was removed.
Reference: apotonick/cells Issue Not working with react-rails
Exception in dom_class
The following exception may occur.
undefined method `dom_class’ for #<XyzCell:0x007ff36d4fecb0>
Add the following code to Cell class.
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def dom_class(record, prefix = nil) ActionView::RecordIdentifier.dom_class(record, prefix) end def dom_id(record, prefix = nil) ActionView::RecordIdentifier.dom_id(record, prefix) end |
Reference: apotonick/cells Troubleshooting
Exception concerns number_with_delimiter is raised
Add include ActionView::Helpers::NumberHelper to Cell class.
Exception because of select tag can’t be used
The following message will be shown.
private method `select’ called for #<XyzCell:0x007ff48f4febe8>
Add include ActionView::Helpers::FormOptionsHelper to Cell class.
Reference: apotonick/cells Issue select form_helper doesn’t work in cells 4
(日本語) 東銀座 じゃのめ 500円 でうどん・天丼を食べる
Rails: How to Solve devise error undefined method failure_app for nil class
I bumped into the following error when I was creating API program. The origin was devise gem.
NoMethodError (undefined method `failure_app’ for nil:NilClass)
Environment
- Ruby 2.2.3p173
- Rails 4.2.4
- devise 3.5.2
Origin
I used sign_in method for unauthorized user.
The API in construction, we have to make unauthorized user able to login, so I wrote logging in procedure for all users, including unauthorized users. Then, devise and warden rejected unauthorized user and raised error.
Solution
Write the following setting into config/initializer/devise.rb.
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config.allow_unconfirmed_access_for = 2000.years |
Or write the following method into the model class that is used by devise for authentication. User class for example.
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private def confirmation_period_valid? return true end |
I recommend latter solution.
confirmation_period_valid?
confirmation_period_valid? method is defined at the module Devise::Models::Confirmable of devise gem.