ActiveRecord Where Assoc
van_dam
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| ActiveRecord Where Assoc | van_dam | |
|---|---|---|
| 8 | 7 | |
| 182 | 179 | |
| - | - | |
| 1.7 | 2.1 | |
| 3 months ago | 1 day ago | |
| Ruby | Ruby | |
| MIT License | MIT License |
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ActiveRecord Where Assoc
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EXISTS clause for active record
I’ve been using the activerecord_where_assoc gem for this. I think it’s API is more natural than this proposal.
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My new gem lets you follow associations when doing ActiveRecord queries. Here's an intro for follow_assoc.
Your examples using joins would return duplicated Sections. That might force you to add a distinct. I personally find it wrong to do a distinct in a scope just to be able to make the condition I want the scope to do. It's a hidden side effect that could cause problem elsewhere and it's unexpected from the name of the scope. I made a gem to deal with that situation: where_assoc. There is definitely an overlap between both gem.
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Rails 6.1 adds query method associated to check for the association presence
Assuming that ... was indicating some form of annoyance with that distinct, you might want to take a look at activerecord_where_assoc
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Active Record: x.includes(y): y was not recognized for preload
Here are more examples.
Here is an introduction to the gem.
I highly recommend looking at my gem : activerecord_where_assoc
There are multiple ways to filter by an associatin in Rails and they all have problems.
van_dam
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Indexing and Organizing STLs - how do you handle the mess?
VanDam: https://github.com/Floppy/van_dam
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STL management software?
VanDAM might fit what you're looking for.
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I’m writing my own self-hosted 3d file library server, and it’s all gone a bit synthwave...
It’s day 2, so it’s early on, but it’s open source at https://github.com/floppy/van_dam
It’s open source, at https://github.com/floppy/van_dam. It’s built in Rails 6, with three.js for the rendering. I’ve got a huge feature list in my head, but it’s already pretty handy. You can create multiple libraries, which are automatically scanned for models, and each model (which is basically a folder) contains parts (which are the individual STL or OBJ files). It’ll be distributed as a docker container, which hopefully I can get out there for testing soon.
What are some alternatives?
Ruby JSON Schema Validator - Ruby JSON Schema Validator
Enumerize - Enumerated attributes with I18n and ActiveRecord/Mongoid support
activerecord_json_validator - 🔩 ActiveRecord::JSONValidator makes it easy to validate JSON attributes against a JSON schema.
ActsAsTree - ActsAsTree -- Extends ActiveRecord to add simple support for organizing items into parent–children relationships.
StlVault - 3D object viewer and organizer
ActsAsParanoid - ActiveRecord plugin allowing you to hide and restore records without actually deleting them.
casa - Volunteer management system for nonprofit CASA, which serves foster youth in counties across America.
PaperTrail - Track changes to your rails models
mapa - Create 3d-printable STLs from satellite 🌍 elevation data
ActiveImporter - Define importers that load tabular data from spreadsheets or CSV files into any ActiveRecord-like ORM.
Rails-API-React-Tutorial - 📱 A Rails 6 API backend React JS + Webpacker guide. Includes API setup, serializers, and react integration in the frontend. 🌲
Second Level Cache - Write Through and Read Through caching library inspired by CacheMoney and cache_fu, support ActiveRecord 4, 5 and 6.