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Questions tagged [ancestry]

Ancestry is a gem/plugin that allows the records of a Ruby on Rails ActiveRecord model to be organised as a tree structure

https://github.com/stefankroes/ancestry

194 questions
9
votes
3 answers

How to generate json tree from ancestry

I use ancestry to make a tree of goals. I would like to send the contents of that tree to the browser using json. My controller is like this: @goals = Goal.arrange respond_to do |format| format.html # index.html.erb format.xml { render :xml =>…
Johan Hovda
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1 answer

Heroku only: ancestry gem crashes with undefined method `ancestry' for #

I'm seeing an issue on Heroku only with the ancestry gem (cannot reproduce locally): https://github.com/stefankroes/ancestry A NoMethodError occurred in home#upload: undefined method `ancestry' for # Method looks like this: def anthem_upload …
etayluz
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5
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2 answers

Pluck and ids give array of non unique elements

In console: Course.ids.count => 1766 Course.pluck(:id).count => 1766 Course.ids.uniq.count => 1529 Course.count => 1529 It's normal? small comment - model Course uses ancestry (gem). UPD1: Generated sql: Learn::Course.ids.count (5.4ms) SELECT…
Gena Shumilkin
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5
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1 answer

How to eager load roots using ancestry gem with rails?

I have an Entry model that belongs to a Category. The Category model is using ancestry so that I can nest Categories. I want to group a selection of entries by their root category. The problem I have is that in order to do this, rails executes a…
Christian
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5
votes
1 answer

Building family trees using HTML/JS/CSS/PHP/MySQL

I've been tasked to build something similar to this and I need some suggestions/opinions for an effective solution: http://familyecho.com So far, I've tried to represent my data using the Nested Set Model but I don't think its possible to have…
georaldc
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4
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1 answer

How to perform eager loading on model descendants using Rails and Ancestry

As for now I'm working on a blog application that has article/comment models connected via has_many/belongs_to associations. To create nested comments functionality I use ancestry gem. However, I would like to eager load all of the descendants of a…
kushnir
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4
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3 answers

Does The Ancestry Gem Work With Rails 4?

Only mentions Rails 3 in the GitHub documentation - does anyone know if it's compatible with Rails 4? I ask because it looks like it's been updated to handle Ruby 2.1.0
Richard Peck
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4
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2 answers

Rails ancestry with nil parent

I'm building a hierarchical category in Rails using Ancestry, and I allow the user to choose the parent of the object they're creating. I display the existing categories using a dropdown: <%= f.input :ancestry, collection: Category.sorted_list…
kid_drew
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4
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2 answers

Can I create an activerecord association through an activerecord relation (when using the ancestry gem)?

I am using the ancestry gem in my rails project to create a hierarchy of groups. A group can belong to a parent group and can have many children groups. Each group can have many users who belong to a group. The model looks like this: class Group <…
George Bailey
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1 answer

Rails - Self joins with ancestry, possible to have nested routes and slugs?

The goal is to create the following URL routes: localhost:3000/category-1/location-1/ localhost:3000/category-1/location-1/sub-location-2 localhost:3000/category-1/location-1/sub-location-2/sub-location-3 I have a series of locations that have…
Kobius
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3
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1 answer

Full Rails 5 routes with Ancestry Gem nested tree

I am using the Ancestry Gem in my Rails 5 app and all things look and act as they should and my database looks good. I just can't figure out out how to show the full url path after the first level following the model name. For Example I need…
Charles Smith
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3
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1 answer

FactoryGirl - how to create hierarchy of records?

trying to create factory for nested Region records. I'm using ancestry gem for this purpose. Region is associated entity for Place Place factory: factory :place, traits: [:pageable] do ... association :region, factory:…
divideByZero
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0 answers

ancestry gem with position sorting

I use ancestry gem for create nested categories. this gem is super fast but how can i add position filed to ancestry. I want tree item sort by parent and child & position. think you create category like: games - football - tennis after a while…
Armanlearn
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3
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0 answers

Direct parent change callback using ancestry gem in ruby

I am trying to check if the direct parent of any record changed to do some stuff. I have searched a lot but I didn't find node.parent_changed?. I only found node.ancestry_changed?. But the problem with that is, it returns any node that has any…
Haytham.Breaka
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3
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3 answers

How to implement ancestry for this specific situation

We have a Real-Estate app in which the User can be a Renter or Landlord(Owner). Renters can search for specific houses listed by the Owners. Renters can also add other persons(friends or acquaintances who are staying with that specific renter). In…
Pavan
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