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Hey all, I have a quick question regarding

has_many

associations pointing to an STI model (I've read https://docs.avohq.io/3.0/associations.html): I understand that using

link_to_child_resource

I can opt into linking to a child resource from the association's table in the parent resource. However, is there a built-in/simple way to choose which child resource to create?

or is the best approach to use a

field :type, as: :select, ...

?

The belongs to field have the

polymophic_as

and

types

options which will automatically generate a :type field https://docs.avohq.io/3.0/associations/belongs_to.html#polymorphic_as

hmmm I'm not sure if this applies? I'm not talking about a polymorphic association (as in, a child that could be attached to many possible parents), but the other way round - the parent (a

Survey

) can have specific different children (

FreeformSurveyQuestion

,

MultipleChoiceSurveyQuestion

, ...)

And the

FreeformSurveyQuestion

,

MultipleChoiceSurveyQuestion

, ... are all represented by 1 resource?

no, each has their own resource

they just have the same parent model (

SurveyQuestion

)

I'm hitting a wall with a HABTM relation. Granted, it's a pretty "complicated" one because it's between namespaced models. But Avo raises an error that makes little sense to me: > Avo relies on the 'inverse_of' option to establish the inverse association and perform some specific logic. > Please configure the 'inverse_of' option for the 'has_and_belongs_to_many :surveys_question_options' association in the 'Surveys::Response' model. but it's there:

rb
class Surveys::Response < ApplicationRecord
  belongs_to :user
  belongs_to :surveys_question, class_name: "Surveys::Question"

  has_and_belongs_to_many :surveys_question_options,
                          inverse_of: :surveys_response,
                          class_name: "Surveys::QuestionOption",
                          foreign_key: :surveys_response_id,
                          association_foreign_key: :surveys_question_option_id
end

rb
class Avo::Resources::SurveysSingleChoiceResponse < Avo::BaseResource
  # self.includes = []
  # self.attachments = []
  self.model_class = ::Surveys::SingleChoiceResponse
  # self.search = {
  #   query: -> { query.ransack(id_eq: params[:q], m: "or").result(distinct: false) }
  # }

  def fields
    field :id, as: :id
    field :user, as: :belongs_to, readonly: true
    field :surveys_question, as: :belongs_to, readonly: true
    field :surveys_question_options, as: :has_and_belongs_to_many, readonly: true
  end
end

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good morning friends, a short question regarding attaching records in a

has_many ... through:

dialog: How can I avoid duplicates showing up in the select box? I have users I want to attach to segments, but of course it doesn't make sense to attach the same user to a segment twice I handle this on the database level using a unique index, but of course it'd be nice if those already connected users wouldn't show up in the select box at all...

ah, using

attach_scope

probably?

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hello! 🙂

Hi there, welcome!

I know that I can use

attach_fields

(https://docs.avohq.io/3.0/associations/has_many.html#attach_fields) to display extra fields when attaching a record of a

has_many through:

. In my case it's a simple checkbox https://cdn.discordapp.com/attachments/740892037640880180/1354368997935546438/image.png?ex=67e509ec&is=67e3b86c&hm=32d6631e8e0cc10af8233c7af865afc4ed22aa2cb2f17f4c9b0eac398785e8b8&

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I think I've seen a video or guide article for batch processing CSV data but can't seem to find it 🤔

Hey beautiful people! I upgraded to avo 3.18.2 and got the following error:

12:09:19 web.1     | 2025-03-31 12:09:19 INFO   Rendered layout /Users/michael/.rbenv/versions/3.4.2/lib/ruby/gems/3.4.0/gems/avo-3.18.2/app/views/layouts/avo/application.html.erb (Duration: 153.3ms | GC: 0.0ms)
12:09:19 web.1     | 2025-03-31 12:09:19 INFO Completed 500 Internal Server Error in 649ms (ActiveRecord: 0.0ms (0 queries, 0 cached) | GC: 0.0ms)
12:09:19 web.1     |
12:09:19 web.1     |
12:09:19 web.1     | 2025-03-31 12:09:19 ERROR

12:09:19 web.1     | ActionView::Template::Error (undefined method 'avo_dashboards' for an instance of #<Class:0x000000013ca379f0>)
12:09:19 web.1     | Caused by: NoMethodError (undefined method 'avo_dashboards' for an instance of #<Class:0x000000013ca379f0>)
12:09:19 web.1     |
12:09:19 web.1     | Information for: ActionView::Template::Error (undefined method 'avo_dashboards' for an instance of #<Class:0x000000013ca379f0>):
12:09:19 web.1     |     32:         <%= render partial: "avo/partials/navbar", locals: { resource: @resource } %>
12:09:19 web.1     |     33:         <div data-sidebar-target="mainArea" class="content-area flex-1 flex pt-16 relative <%= "sidebar-open" if @sidebar_open %>">
12:09:19 web.1     |     34:           <div class="hidden lg:flex">
12:09:19 web.1     |     35:             <%= render Avo::SidebarComponent.new sidebar_open: @sidebar_open %>
12:09:19 web.1     |     36:           </div>
12:09:19 web.1     |     37:           <div class="flex lg:hidden">
12:09:19 web.1     |     38:             <%= render Avo::SidebarComponent.new sidebar_open: false, for_mobile: true %>
12:09:19 web.1     |
12:09:19 web.1     | railties (8.0.2) lib/rails/engine/lazy_route_set.rb:99:in 'method_missing'
12:09:19 web.1     | avo-menu (3.18.2) app/components/avo/sidebar/item_switcher_component.html.erb:8:in 'Avo::Sidebar::ItemSwitcherComponent#call'
12:09:19 web.1     | view_component (3.21.0) lib/view_component/compiler.rb:98

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Nice work on nested records, team! Can’t wait to check it out. 🙌

> We want your feedback and ideas. Let's think about what a complete Rails app would need and make that happen! I'm still waiting on a good WYSIWYG editor. I tried

rhino

but it's not even close to what TinyMCE gives out of the box.

I think I'm hitting an edge case (again), this time around polymorphic relations. I've got this model, and I want to display the

recipients

in a list:

rb
class Mailing < ApplicationRecord
  belongs_to :mailable, polymorphic: true

  delegate :recipients, to: :mailable
end

and an example of a `mailable`:

rb
class Event < ApplicationRecord
  has_many :recipients
  has_many :mailings, as: :mailable
end

The

delegate

is necessary, because you can't specify a

has_many through:

on a polymorphic association:

rb
  has_many :recipients, through: :mailable

  # => Cannot have a has_many :through association 'Mailing#recipients' which goes through the polymorphic association 'Mailing#mailable'. (ActiveRecord::HasManyThroughAssociationPolymorphicThroughError)

I tried to solve this with an

Array

field, but failed because it needs an

ArrayResource

to back it. Is there any other way to achieve this?

Hey folks, I was trying

nested

feature and was getting `undefined method `klass for nil from this method def model @model ||= @parent_model_class.reflections[@field.name.downcase].klass end, from

avo-advanced (3.19.1) app/components/avo/advanced/nested/field_component.rb:29

, I noticed that I was getting

"purchase order items"

from "@field.name.downcase" instead of purchase_order_items. I think this only works if we have model name without underscore.

hey guys - question unrelated to avo: have any one ever built a user calendar with repeating events ? if yes, how did you handle occurencies ? how did you handle updating an event vs updating the parent event's occurences ? what happens if you have invited someone to the event and then deleted it ? should you send him to the next event or what ? thanks 🙏

I think I have found a bug in the

boolean_group

field type, specifically computed options: I found that if I try to update a record from computed options derived from the

record

it does not work. I chased that down to the fact that when I add a breakpoint in the field's computed options lambda and issue a PUT, there,

record

is nil:

rb
    field :event_roles,
          as: :boolean_group,
          options: -> do
      binding.irb
      record&.event&.roles || {}
    end

=>

irb(#<Avo::ExecutionContext:0x000...):007> record
=> nil

note that this is not the case when it's called regularly from the

edit

view. it also works as expected with options supplied as a regular hash

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