A library for adding finite state machines to Ruby classes.
Started as the acts_as_state_machine plugin but has evolved into a more generic library that no longer targets only ActiveRecord models.
Supports
- States
- Machines
- Events
- Transitions
Questions tagged [aasm]
132 questions
0
votes
0 answers
Update more than one column during AASM state transition
I am using ruby's aasm gem to implement a state machine and want to update a different column apart from the state itself during one of the transitions. For example:
event :transact do
# This will make two calls to the database. Ideally we should…
Robison Santos
- 1
- 1
0
votes
0 answers
Is there a way to change database connection for aasm in ruby in a multi-database setup?
We are connecting to multiple databases. And we are using aasm gem to switch state from created to syncing. However, while switching states aasm throws an error ActiveRecord::ConnectionNotEstablished (connection is closed):
Any guidance would be…
Purusottam
- 611
- 6
- 19
0
votes
1 answer
ransack + AASM: ArgumentError wrong number of arguments (given 1, expected 0)
I faced the following error when running filtering using ransack:
ArgumentError wrong number of arguments (given 1, expected 0)
and stack trace is showing this:
object.ransack(query_params)
When dug deeper I have found that the error appears in…
mazikwyry
- 197
- 1
- 10
0
votes
1 answer
Is this use of a Ruby eval method really dangerous, and if so what's the alternative? (Rails)
Okay so I'm using AASM in my Rails app to manage workflows around my User model. In the view layer, I want to make a little dropdown that displays all the available transitions for a given user and perform that transition when clicked, which adjusts…
stooshie45
- 39
- 7
0
votes
1 answer
ruby aasm gem: event name change, but permitted method still ask for old event name
I have been using aasm gem (https://github.com/aasm/aasm) to define an object. It comes with several public method for events. For example:
With object a_machine, event boot_up would transit the object to a new state greeting. I would be able to do…
Dr Linh Chi Nguyen
- 1,063
- 1
- 9
- 17
0
votes
1 answer
AASM + Rspec - How to ignore/disable/skip the transition callbacks in a tests?
I have a class like this
class Job
include AASM
aasm do
state :created, initial: true
state :processing, :notifying, :finished, :error
event :process do
before do
# do some undesired stuffs for test
end
…
Alan Alves de Oliveira
- 663
- 1
- 8
- 21
0
votes
1 answer
AASM event and Rails model with the same name?
How would I be able to use an event called ship in AASM if I also have a Rails model with that name?
event :ship do
transitions :from => :quoted, :to => :shipped
end
class Ship < ApplicationRecord
end
Whenever I call the Rails method .ship AASM…
Tintin81
- 9,821
- 20
- 85
- 178
0
votes
0 answers
Adding a default ordering to a has_many association prevents state transitions on model using AASM
So this is a very strange issue, and I have no idea what's going on. Based on an issue in our app, we wanted a has_many association to be returned with a default ordering applied to it every time you read the association from the database. I…
Siraris
- 1,088
- 3
- 13
- 21
0
votes
1 answer
Yield items in AASM after callback
Can you yield items inside an :after callback?
I got LocalJumpException when I execute the code below
require 'aasm'
class TestClass
include AASM
aasm do
state :created, initial: true
state :running
event :run do
transitions…
Rod
- 103
- 3
0
votes
0 answers
Rails AASM does not rollback when validation returns false
I have a model Booking that changes the status using AASM
models/booking.rb
before_validation :item_availability, if: -> { pending? || approved? }
enum status: [:pending, :approved, :rejected, :on_loan, :returned]
aasm column: :status, enum: true,…
AllenC
- 2,754
- 1
- 41
- 74
0
votes
1 answer
AASM does not trigger ActiveRecord::Rollback
I have approve event enum in Booking model. I have a before_validation in approve
in my model/booking.rb I added custom validation
include AASM
before_validation :item_availability, if: :approved?
enum status: [:pending, :approved,…
AllenC
- 2,754
- 1
- 41
- 74
0
votes
0 answers
How to set the state with AASM?
I am attempting to build a learning application that has a quiz on it. The quiz is made up of several steps.
I am using aasm to track the the user's state on the quiz.
There are 3 states:
1.not started (Default state)
2.in progress…
Koko
- 15
- 3
0
votes
1 answer
ActiveAdmin + CanCan + AASM event switcher with AJAX
As an admin I have a specific role
I want to see and switch event for object
Depends on my role
Inspired by activeadmin_addons and its Enum Integration I want to make similar functionality for AASM by letting diffent admin users change events…
alexey_the_cat
- 1,812
- 19
- 33
0
votes
1 answer
Trouble testing for an error thrown from AASM gem
I'm having trouble testing for a thrown AASM error.
Here is my controller method:
# controllers/jobs_controller.rb
def change_state
respond_to do |format|
if @job.close && @job.save
format.html { redirect_to @job, notice: 'Job has been…
Stephen
- 155
- 2
- 11
0
votes
1 answer
checking for a specific state not working when using multiple states per model (aasm)
Below are the states defined in my booking model.
1st state
aasm :booking_state,namespace: :booking_state, skip_validation_on_save: true, :whiny_transitions => false do
state :pending, initial: true
state :some_other_states
end
2nd state
…
Abhilash
- 2,864
- 3
- 33
- 67