active_model_serializers | ActiveModel::Serializer implementation and Rails hooks | JSON Processing library
kandi X-RAY | active_model_serializers Summary
kandi X-RAY | active_model_serializers Summary
ActiveModelSerializers is undergoing some renovations. See Development Status.
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Community Discussions
Trending Discussions on active_model_serializers
QUESTION
does anyone know why the error
"ERROR: While executing gem ... (Errno::EACCES)
Permission denied @ rb_sysopen - C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/pg-1.2.3-x64-mingw32/lib/2.7/pg_ext.so"
appears while trying to install pg gem in Windows 10?
I tried running gem install pg with admin privileges in command prompt in my application folder, but it throws this error.. I also checked out site https://rubygems.org/gems/pg and there copied how to install pg via command line, and what to include in Gemfile.
Here is my gem file:
ANSWER
Answered 2021-Jun-01 at 01:05I'm assuming you've downloaded and installed PostgreSQL on your system. Use the following to point the gem to where postgres is installed. This is an example of what it'd look like on my system.
QUESTION
My app works locally, however when I try to deploy to Heroku, I get a Sprockets::FileNotFound: couldn't find file 'angular' with type 'application/javascript'
error.
I have tried precompiling with RAILS_ENV=production bundle exec rake assets:precompile
and purging my build cache with heroku builds:cache:purge -a findum
, but still no luck. I recently migrated from Bower to Yarn– not sure if my asset path is the problem?
Has anyone run into a similar error that they were able to resolve? So many thanks 🙏.
This is my application.js
:
ANSWER
Answered 2021-Feb-19 at 13:57Update:
It looks like it was a problem with my post-Bower configuration (I migrated from Bower --> Yarn) I was able to solve Sprockets errors by adding this line to my assets.rb
:
Rails.application.config.assets.paths << Rails.root.join('node_modules')
and by running yarn add
for files that Sprockets could not locate.
I also made the following updates to old package names in my `application.rb'
QUESTION
I'm getting strange behavior when I render JSON from my Rails app. A helper method is run twice when render :json
is called. Here's the controller and method:
ANSWER
Answered 2021-Feb-14 at 21:22I see that you are using active_model_serializers, if you check out their docs it says here, the default serialisation scope is :current_user
. It also emphasizes that
IMPORTANT: Since the scope is set at render, you may want to customize it so that current_user isn't called on every request. This was also a problem in 0.9.
This causes that the current_user
method is always invoked. If you want to avoid this behaviour, you can set the serialization_scope
in the controller for example:
QUESTION
I updated my ruby to 3.0.0 but for some reason now my application doesn't work. I have searched online for different answered but I cannot find anything. This error has gotten me going crazy now. Here is what happens.
When I do bundle update I get:
...ANSWER
Answered 2021-Feb-14 at 10:52Currently Ruby 3.0 is not supported with Rails, as there will be next release for Rails. You can do following and it works by installing dev branch of ruby 3. I used ruby 3.1.0dev (2021-02-14T05:09:08Z master ff527e7e32) [x86_64-darwin19]
Following commands are with RVM you can use same with other softwares I tried by installing
QUESTION
class Api::V1::BookSerializer < ActiveModel::Serializer
attributes :id, :status, :name, :author_name, :published_date
attributes :conditional_attributes if condition_1?
belongs_to :user if condition_2?
end
...ANSWER
Answered 2020-Nov-11 at 18:11I assume you're trying to render from the controller.
You can pass options to your serializer from the call to render:
QUESTION
I have two models, Artwork and Event, an artwork has many events. Some events are confirmed.
In my serializer I want to return the last confirmed event for each Artwork
Right now it does but also creates a slow (n+1 ?) query where each serialized Artwork fetches all events.
How can I do something faster ?
...ANSWER
Answered 2020-Nov-01 at 18:05you can try this:
Please add this association to the artwork
model.
QUESTION
I want to leverage AMS to create json data to pass as GraphQL variables in my test suite. Apparently, it support :camel_lower
which would convert hash keys like :some_field
to :someField
but I can't seem to get it to work. Here's the relevant code:
/config/initializers/active_model_serializers.rb:
...ANSWER
Answered 2020-Oct-13 at 18:19ActiveModelSerializers
has been in some sort of maintainance state for a long time and doesn't seem to be receiving any updates.
My personal choice has been either the blueprinter
gem or jsonapi-serializers
. The blueprinter
one is closer to AMS.
It is very easy to work with
QUESTION
Making a simple GET request to the controller action. Debugged to make sure it's actually making a request and there are no issues with the controller executing the action. However, it is not succeeding as I am not seeing a response being logged.
...ANSWER
Answered 2020-Aug-11 at 09:04I think this will fix:
QUESTION
I want to download all the attachments by streaming them using ActionController:: Live
. It's working fine if I remove gem 'active_model_serializers', '0.9.2'
gem. It halts the server and I have to restart it.
Here is the controller
zip_streaming.rb
...ANSWER
Answered 2020-Aug-04 at 11:30The problem with active_model_serializers
gem, I have changed the version to 0.10.1
and its working fine now.
Found the solution here https://github.com/rails/rails/issues/25672#issuecomment-230376105
QUESTION
I'm trying to deploy my Rails 5.0 on heroku after a bundle update. I'm blocked by an issue on assets:precompile
...ANSWER
Answered 2020-Jun-30 at 09:08Thanks to @Les Nightingill, I found the issue.
It was not directly linked to assets generation, but the probleme was indicated at the first error line in the logs :
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Install active_model_serializers
On a UNIX-like operating system, using your system’s package manager is easiest. However, the packaged Ruby version may not be the newest one. There is also an installer for Windows. Managers help you to switch between multiple Ruby versions on your system. Installers can be used to install a specific or multiple Ruby versions. Please refer ruby-lang.org for more information.
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