Questions tagged [ruby-on-rails]
Ruby on Rails is an open-source web development framework written in Ruby. If your question code is written in Ruby on Rails, tag with Ruby as the language tag. Many things are defined by convention, freeing you from having to re-invent things to stay productive.
590
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Generate an array in Ruby efficiently [closed]
I often have a piece of code that creates an array of elements based on some code block and it goes like this
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2
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71
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Ruby SFTP client
I'm on Ruby for three weeks and now I want to learn more.
Can anybody review my code and maybe some one can suggest some changed.
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2
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79
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Ruby on Rails _form implicit partial test with RSpec
I am working with: ruby 3.0.0p0 and Rails 7.0.4 and rspec-rails (6.0.1)
I want to test my views. I created Product model with rails scaffolding. I tested all views but I am not sure about _form.html....
- 37
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288
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Authentication Using Next Auth + Rails API Server
so I have a Nextjs frontend that is using Next Auth for authentication. This will be using a variety of Oauth providers but for this example and to prove the concept I am just using the ...
- 41
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1
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43
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2
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1
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69
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FizzBuzz solved by neural network
I wrote a very simple AI in C and connected it to the web through Ruby on Rails. It learns the fizzbuzz problem. I'm writing this because I'm back on the job market after 20 years. Of course, ...
- 23
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1
answer
94
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Open a file, with a fallback path if it doesn't exist at one location
I am parsing a file that exists in either app/components/ui or in app/components. If the one in the first dir (...
- 248
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353
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Testing out whether controller response body contains correct data in Rspec Controller specs
Running Rails 7.0.3, Ruby 3.1.2 and rspec-rails 6.0.0rc1
I'm writing out some specs to test for the inclusion of certain data getting sent by my controllers. A ...
- 185
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2
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112
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Ruby CLI TicTacToe
I have done Tictactoe game in Ruby. It is my first Object Oriented project in Ruby. I would like to separate all program into a few classes such as Player Board and Game. I want to use more OOP best ...
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29
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Optimize Tests in Rails6 - Minitest - Factory
I finally got this working but I am concerned I am being 'too' specific in my tests, and also that I am repeating myself a significant amount.
I could also combine all of the failures into a single ...
1
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1
answer
96
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Rails controller to handle offers and payments for rental housing
I've been adding stuff a bit "blindly" to my controller and currently everything is working as it should, but the controller is gotten very messy. I'm using the gem ...
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1
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1
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125
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User registration API
Would love some feedback on this simple API implementation with Ruby on Rails. Have I used proper naming conventions, readable/manageable code, optimal approaches, etc? As I'm still learning Ruby on ...
- 113
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1
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72
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Migration in a bioinformatics application that changes a column name and explains the rationale
This very short piece of code is a migration in which a column name is changed to be more descriptive. It is part of a larger bioinformatics application written in RoR that parses the output of ...
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178
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Refactoring Ruby recharge REST API wrapper by using class variables
I am trying to create an API wrapper for recharge (A Shopify subscription service), I am using the HTTParty gem
...
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2
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67
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Querying and rendering an HTML table of ISP performance statistics
I have multiples measurements and I want to render it into tables like this
Measurements
Operator
browsings
FTP DL
FTP UL
Location
Event
Date
Operator
avg
min
max
avg
min
max
avg
min
max
Verizon
...
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1
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1
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69
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Group some given users according to their department
I have wrote following solution for one answer but I want to refactor to make it more simple and readable.
I am receiving params
...
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2
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122
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Making the controller clean and readable in (Ruby on Rails)
I have this rails controller which works fine but a lot of business logic is confined in the controller which I believe is not a good practice.
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2
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1
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160
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How can I make this CSV Importer code better of any code smell?
I wrote this method a few years ago in a Ruby on Rails project, which I think I am not proud of. How can I make this code better to show in-depth professionalism in Ruby?
lib/merchant/web_csv_importer....
- 149
4
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3
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104
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App to seed DB, generate CSVs, and export individually or in complex zip files Rails 5
I have an app whose sole purpose is to seed data files and add the data to different CSVs which are zipped and exported by the user. My application controller is filled with lines that all look like ...
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2
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1
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444
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Rails model for aggregate data instead of a real table
I have a rails app with a Project model. Each project has usages which is numeric data.
I need to get all the usage for each month and year. I also need to get usage for specific months and years ...
- 171
3
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1
answer
92
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Presenter pattern implementation
I've recently discovered patterns and decided to implement Presenter pattern inside a pedagogical project. I spent few days playing around with different implementations, reading some Gem's source ...
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0
answers
55
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Encapsulating Logic to Reuse in Various Contexts
I'm experimenting with ways to reuse code throughout a Rails web app. I'm interested in feedback concerning one such approach!
Context
A user's request may be scoped to a physical location so that ...
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4
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1
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2k
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Rails 6: Attaching Devise current_user.id to form submissions
In my Ruby on Rails 6 app:
I have a User class built with Devise, and I scaffolded a List class where each List should belong_to a User.
I want Lists created through my app to be automatically ...
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1
answer
64
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custom hash from group_by hash
I am trying to create a custom hash from a table. User has many transactions. A transaction has a ...
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1
answer
300
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Rails: create a relationship between comment and user
I'm trying to connect the create of a comment to the current_user. I have a model comment which is a polymorphic association.
<...
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4
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2
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374
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Rails Helper to display rating in stars
Using Rails 6. Here's a piece that I wrote just to display number of stars. Obviously I am disgusted by my own code. How would you refactor?
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108
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Assigning raffle numbers to users in Rails
Background
One part of our Rails app is running a Raffle, usually twice a month, with around 600k entrants each round. Each raffle ticket record will have at least a unique raffle number (consisting ...
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3
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1
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361
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RSpec shared example for CRUD Controllers that might be nested or not
I've been trying to create a shared example to quickly and efficiently test controllers with CRUD operations that might also be nested.
I came up with this ...
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2
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117
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Removing duplicate hashes in an array while keeping count of the times the hash was present
I have an array of hashes (price_params['items']) where each item has a key called quantity what I'm trying to do is to clean ...
2
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1
answer
201
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Easily interacting with two external apis
Recently I rewrote some methods/functions written by a previous developer mostly due to the fact that the previous implementation overdid the whole 'OO' thing, and used inheritance inappropriately. ...
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1
answer
2k
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better multiple fields validation on ruby/rails
I have a form for an item (Job Item), that has sets of 2 fields based on a type.
field and field + _dolar
e.g: ...
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1
vote
1
answer
37
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Rails initializer to be more clean [closed]
I need a little bit of refactor my initialize method because I think it will make initializer more flexible and readable.
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- 197
2
votes
1
answer
324
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Dynamically combine ActiveRecord Relation results [closed]
This isn't the actual use-case I have but for simplicity, let's say I have an ActiveRecord Animal model in a Rails app. The Animals have a name (string) and ...
- 61
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1
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627
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ActiveRecord Query for many to many association
I have two Models in my Rails 6 / PostgreSQL application which have a many to many relation; Car and Driver. The goal is to get ...
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2
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1
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154
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Rails controller method to show an optionally scaled image using MiniMagick
I've got below implementation for my controller and show action which implements MiniMagick gem. I've just wondering is there any better way to write it down? If ...
- 197
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2
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47
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Ruby if block refactor from new synthax needed
I have this, I guess, new Ruby syntax in my method but Rubocop are warning me that the second last line is too long. Could you please help me to refactor this method?
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- 197
6
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1
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809
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Update join table using list of checkboxes in Rails
I have Gig and Singer Active Record models (standard--no customization just yet) with a many-to-many relationship through a ...
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2
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0
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173
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jQuery validation for multi-page registration form
I use JS/JQuery validation for radioboxes, input field etc. Because of AJAX I use one global validation (in a separate file) and 4-5 other files to coverage actions in a relevant registration form ...
- 197
1
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1
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76
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Rails 5.2 callbacks to trigger score recalculation for relationships
I have a model that is in a HABTM relationship with 2 other models:
Activity.rb
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1
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1
answer
58
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Enumerating AWS instances in Rails, with error handling
I have created a method, which is raising the same exception in case of any error:
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0
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40
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Rails route structure for managing tags
I'm hoping someone could vet my route structure as I've really been struggling with getting something that feels right. Right now I have this nested resource structure:
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1
answer
52
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Re-creating user discounts nightly
I'm calling these two methods on a Worker that is executed every 24 hours at midnight in the background.
The code seems to be a little bit difficult to read and I'm not sure if i'm iterating through ...
1
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1
answer
42
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Ruby on Rails - Creating many models associated with another one
So I have the following models:
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1
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33
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Is there any better / improved / optimise way to approach these input checker? [closed]
Actually I got a form with multiple input (around 39) on which I wish to perform some check and display customs messages based on sets of conditions.
I found a way to address my problem but I'm ...
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2
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1
answer
929
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Rspec test for Rails method to return alphabetically sorted list of tags
I have one model class as listed here:
class Post < ActiveRecord::Base
has_many :comments
def tags
comments.map(&:tag).uniq.sort
end
end
and ...
- 157
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2
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50
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3
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2
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153
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Keep ABC size down for conditional string concatenation in Ruby
This method takes a comment object and displays it correctly depending on what columns are available. EVENT_TEXT and REASON_TEXT ...
- 273
0
votes
1
answer
32
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Searching for combinations of words and numbers
My model called Customer contains a method called generate_fields which creates records based on its return values.
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142
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Rails dynamically changing parts of view but using the same method in controller
I have this update method which decides whether to update or recreate(same as update but resets the approval_status and create_date) of the building_approval object. I have the on_progress? method on ...
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1
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41
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Updating one model field based on the associated model's field
I'm wondering if there is any way we can optimize the following code.
Scenario is Library's active field should be ...
- 219