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
2
votes
0 answers
Undefined method `aasm_state' for model Order Did you mean? aasm_state=
Rspec-rails tests started to fail after adding Aasm gem.
All basic set ups are done. Migration with adding aasm_state column. Adding state to the Order model.
Test log:
Searching book Visitor searches books by title
Failure/Error: order =…
StanisLove Sid
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- 3
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2
votes
1 answer
How do I implement aasm in Rails 3 for what I want it to do?
I am a Rails n00b and have been advised that in order for me to keep track of the status of my user's accounts (i.e. paid, unpaid (and therefore disabled), free trial, etc.) I should use an 'AASM' gem.
So I found one that seems to be the most…
marcamillion
- 32,933
- 55
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2
votes
1 answer
AASM state machine exception handling example?
I'm currently working on a class, which is basically doing following:
model gets created
fetches data (event "get_things!")
if exception happens, state should become "failed"
if success, state should be "finished"
I try to implement it as…
BvuRVKyUVlViVIc7
- 11,641
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2
votes
3 answers
Rails AASM; How to do some action if the specific transition is occured
I use state machine gem called AASM on rails.
There are an event which has two types of transitions.
Three three types of state
state pending
state past_due
state paid
pending can be changed into paid
past_due can be changed into paid
event :pay…
Toshi
- 6,012
- 8
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2
votes
3 answers
NoMethodError (undefined method `aasm_state') when saving a record
When saving payment request, there is an error popping up:
NoMethodError (undefined method `aasm_state' for #):
activemodel (4.2.0) lib/active_model/attribute_methods.rb:433:in `method_missing'
…
user938363
- 9,990
- 38
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- 303
2
votes
1 answer
Testing aasm state transitions with rspec
I'm using aasm gem to handle state transitions in my project. I have a simple model that looks like this:
class TransferPostingBid < ActiveRecord::Base
include AASM
aasm :status do
state :offered, initial: true
state…
Mateusz Urbański
- 7,352
- 15
- 68
- 133
2
votes
1 answer
AASM Adding callbacks in a child class
Is there a way to add callbacks in a child model when AASM is defined in a parent model?
class Parent
include AASM
aasm do
state :initialised, :initial => true
state :filled_out
state :authorised
event :fill_out do
…
Reid
- 41
- 1
- 5
2
votes
1 answer
How to call ActionMailer method in aasm callback?
Im learning ruby on rails and have a trouble with aasm callbacks and actionmailer.
I have a hotels model. Heres a code:
class Hotel < ActiveRecord::Base
include AASM
scope :approved_hotels, -> { where(aasm_state: "approved") }
has_many…
Lucas Barsinsky
- 85
- 7
2
votes
1 answer
delayed_job on ActiveRecord model with AASM - failing method error swallowed, throws "wrong number of arguments" instead
In my Rails 4 app, I have an ActiveRecord model with an AASM column. When I use a failing method with delayed_job_active_record, it swallows the error and throws something else to do with AASM.
class MyModel < ActiveRecord::Base
include AASM
…
iftheshoefritz
- 5,829
- 2
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- 41
2
votes
0 answers
AASM: guard method being called twice
While testing (Rspec) my state transitions using aasm I am noticing that all of my :guard methods are being called twice.
For example:
event :process_shipping_label do
transitions :from => :label_generated, :to => :label_sent, :guard =>…
sfkaos
- 205
- 4
- 10
2
votes
1 answer
How do I avoid duplication of code using AASM?
So I have in my project multiple models where many of them have an activate and deactivate function, which I manage using AASM
aasm column: 'status' do
state :active, :initial => true
state :inactive
event :deactivate do
transitions :from…
Sherwyn Goh
- 1,352
- 1
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- 19
2
votes
5 answers
Ruby on rails AASM Change transition on button click
My question is very simple: how can I change aasm transitions on button click? What should I put in my view?
I have two buttons: Approve and Reject. My states look like this:
aasm :column => 'state' do
state :pending, :initial => true
…
Al17
- 431
- 7
- 20
2
votes
1 answer
Is there a way to keep history of states with aasm gem?
I am wondering if this gem provides a way to keep history of states. I probably can do this by adding a callback to each event but I am wondering what other people think about this approach.
denniss
- 17,229
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2
votes
4 answers
Tool to generate state transition diagram for acts_as_state_machine
The ruby gem acts_as_state_machine can be super helpful for modeling object lifecycles within a flexible finite state machine framework. But I often find myself wanting a visual representation of the state transitions.
Is there a tool to generate an…
pje
- 21,801
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2
votes
2 answers
Register callback for all transitions in AASM?
There are 2 methods I want to call after every state transition. Right now I'm doing:
aasm_event :nominate_for_publishing, :before => [:set_state_last_updated_by, :set_state_updated_at] do
transitions :to => :under_review, :from =>…
Tom Lehman
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