Ruby on Rails is an open-source web development framework optimized for programmer happiness and maintaining sustainable productivity. Many things are defined by convention, freeing you from having to re-invent things to stay productive.

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Create a list of actors based on their movies [on hold]

I want to optimize this code for speed. I think there is more faster way. ...
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3answers
42 views

Return the opposite of two known strings given one

This is probably silly, but I feel like there should be a much more elegant way to do this simple thing. I have two known strings, whichever one is passed in in the parameter I want to return the ...
5
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1answer
64 views

Computing overall averages in my web application

I'm a senior Comp. Sci. major working on a senior design project for our faculty. The name of this project is "Gradebook", and it is responsible for allowing instructors to record grades for students ...
3
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1answer
53 views

Probability ordering by seller's tariff

I have an instance method (update_priority); it calculates the position of an element, depending on the tariff of its seller. If the seller is of a level3 tariff, ...
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1answer
42 views

Find free username based on schema

Hopefully this is not too complicated. I have this code that will generate a username based on the pre-configured schema the admin types in. The fields they can use are: ...
0
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2answers
33 views

Testing a simple guard clause in isolation

I’m using decorator objects in a Rails app so that I don’t have to do nil? checks in views. Everything is working nicely and it’s easy to test, but I’m suspicious ...
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0answers
9 views

How do I optimize this MongoDB query

Here is the query in the Rails console: ...
2
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3answers
48 views

Similar methods to update today's sales, revenue, and profit

Please help me to refactor. I have two models, conversion & statistic. Methods ...
1
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1answer
37 views

Rails integration testing: Should we use strings or named routes in http requests?

When integration testing Rails applications HTTP request helpers can take a string or a named route as the first argument. I find myself writing: ...
3
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0answers
42 views

Rails models for Users, Offers, Comments, Documents, and Reviews

I want to simplify my Rails models, current looks like this: ...
4
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1answer
58 views

Rails configuration variants for production / development environments

How can duplication be removed from this? ...
4
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1answer
58 views

Strategy to reduce duplicate code in many similar modules

The Situation I have created some code in the form of modules that each represent a medical questionnaire (I'm calling them Catalogs). Each different questionnaire ...
3
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3answers
88 views
3
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2answers
52 views

Simple DRY Rails - check if a model belongs to a user

I can clearly see I'm repeating myself, but I don't know how to refractor this without making it really ugly. What I have: ...
2
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2answers
34 views

Product matcher refactoring regarding scopes and arrays

I know I have seen this before and I can't remember how to fix it or find where I saw how to fix it: ...
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1answer
22 views

The block should return the user's current_active_role

def current_active_role user_roles.each do |r| if r.is_active_role return r end end return nil end The block above returns ...
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1answer
37 views

Refactor Net::SFTP Upload

I have a method to upload a file using the Net::SFTP gem. My method looks like this: ...
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0answers
18 views

Joining models to get records

Is there a better way to refactor the join and fetch the required attributes or is there any better option here? ...
3
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1answer
60 views

Reading a file in chunks

I currently have the following class that takes a custom file object as an argument and makes a copy of the file locally. ...
2
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1answer
35 views

Displaying shows with videos

My method takes a long time to respond, so I'd like to make this method more efficient. I'd also like this method made with joins. ...
4
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2answers
60 views

Convert string array to object with true/false flags

Currently a filter parameter of a GET request is used to designate items' categories that will be requested from database and displayed. The parameter contains ...
0
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2answers
44 views

3 features for 1 model = 3 migrations?

I have a model Users that each instance have 3 features. It was alright until I wanted to tell if this instance can do the 1st feature, the 3rd or all. I did a migration ...
7
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1answer
64 views

Controller action to process orders and payments

I'm trying to reduce the if statements and simplify this create action. ...
3
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4answers
84 views
1
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1answer
58 views

Triggering the execution of a job at the end of a timed campaign

I have a task that checks for campaigns that are supposed to be finished by checking the end_at date. If finished, then set the status of the campaign to finished, ...
2
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1answer
65 views

DRY-ing up some rspec

I have an rspec spec test that has two sets of the same tests (from 24 Pull Requests). I thought I'd refactor the spec whilst I fixed something else. Normally I just do a basic ...
4
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2answers
55 views

Rendering a selection box for 50 states

I was creating a Rails form where users have to enter their state. I ended up creating a select tag which is really, really ugly. I'd like to think there's a better way of writing this. ...
3
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2answers
70 views

Reservation validation

I got a Reservation model that has reservation_start and reservation_end. Then I have the ...
1
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1answer
59 views

Reduce memory use for a property geolocator

I have to run a script against 40 million objects in my database: I wrote the script and I want 10 instance of it so I process my objects faster. The goal is to find all the neighborhood for each ...
0
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1answer
117 views

Avoiding Duplicates in a Ruby on Rails Factory Girl Factory with Fake

I have a Factory Girl factory that needs to generate a unique name using Faker. Unfortunately, Factory Girl generates duplicates relatively frequently, which causes intermittent test errors. I ...
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1answer
62 views

Feeder for returning an array of items rated by users

Feeder is in charge of returning an array of items rated by users (feed). If there is a watching user (...
0
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2answers
71 views

Clean up Rails routes.rb constraints

I'm trying to think of a better way to write these routes in my routes.rb file: ...
1
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1answer
53 views

Getting s3 objects with Rails

I have been using aws-sdk gem with Rails, for uploading and downloading objects. I believe it's working fine. Demo code: ...
3
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1answer
139 views
1
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4answers
57 views

Defaulting parameters to false

In my rails controllers, I am consistently using this logic: ...
1
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1answer
144 views

Add existing models to a relation using nested attributes

I needed to add existing models to a has-many relation using nested attributes so I overwrote thumbnails_attributes=: ...
2
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0answers
33 views

Directions to refactor class for GPS track points

The story started here (Parsing GPS Data) and continued here (Class for median filter) I've done a lot work and faced new questions. In short - I made: Classes for parsers. TrackParser and ...
1
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1answer
49 views

Building query for search engine

I'm writing a basic search engine for my website. It works but I'm really unhappy with the code. I know it can't be improved but I'm lacking some experiences here. In my params from my search I get: ...
1
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1answer
45 views

Parsing GPS data

Recently I sent this code snippet as CV attachment and I got simple answer - this code smells and we employ another developer. I'm new to RoR, so guys can you give me directions to refactor this code ...
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1answer
142 views

SQL table: store “status” as integer vs as string [closed]

I've been around a bunch of projects where statuses are stored in the db as a integer, then mapped in the model back to a human readable string: ...
1
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1answer
209 views

Testing after_save hooks in Rails 4.2 with MiniTest

I've recently started working on a new application in Rails 4.2.0-beta2. I've been using this as an opportunity to learn more about MiniTest, with a stretch goal of being as strict with myself with ...
1
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1answer
39 views

DRY up ivar assignment in Rails new and create controller actions

When creating a new model in Rails, I need to pass a bunch of other models into the view so I can define the correct associations. All I’m really doing here is querying the persistence layer for ...
6
votes
2answers
76 views

How to avoid mounting SQL by concatenating strings?

I found myself mounting a query by concatenating strings. This just seems wrong. Any ideas of how to avoid this kind of situation? I'm using Rails 4, and I don't see how can ...
3
votes
2answers
48 views

Initialise simple_form object inline

Using Rails 4 and a simple form, I'm rendering a couple of forms outside of their native controllers. Rather than scattering initialisers through my controllers, I wondered if it is cleaner to do the ...
0
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2answers
70 views

Make multiple conditions in if expression more readable

My logic has to be written in this way, but I think the if expression is too long to read. How can I make it more readable? ...
2
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1answer
49 views

View for displaying nounal and verbal pages

I've got this code in my View that just list two type of links. Here's an example output: Nounal Pages cleaners/house-cleaners Verbal Pages cleaning/house-cleaning Here's the view code. How ...
3
votes
1answer
81 views

Searching for something at a location

I'm using Searchkick in a situation where a user might write the location they are searching for, or the thing they are searching for, or both. I've been working on the below code for most of the ...
2
votes
1answer
96 views

Ruby on Rails Method ActiveRecord Query Optimizations

So I have three methods and I'm not sure how to optimize them. I will be working on this and updating this post while I do but basically running these three methods is central to some parts of my ...
1
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0answers
100 views

Rails Controller vs Service Object for Application Logic

I have a #change_account action in the accounts controller that verifies if the user has access to the requested account prior to changing the current_account which happens via setting the ...
2
votes
0answers
130 views

DRY my rake import from external database tasks

The application I'm working on runs import tasks each night to get information from an external database and processes and writes it to the local PostgreSQL database. This is so it can be viewed in ...