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Peter Solnica solnic

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solnic / rom-sql-ar-like-polymorphic-associations.rb
Last active October 29, 2025 04:45
[rom-sql] AR-like polymorphic associations (PLEASE DON'T USE IT UNLESS YOU HAVE A LEGACY SCHEMA)
require 'rom-repository'
require 'rom-sql'
require 'logger'
config = ROM::Configuration.new(:sql, 'sqlite::memory')
config.gateways[:default].connection.create_table(:songs) do
primary_key :id
column :title, String
end
@solnic
solnic / trans_do.rb
Last active October 3, 2022 10:15
require 'logger'
require 'byebug'
require 'dry/monads'
require 'dry/monads/do'
require 'dry/matcher/result_matcher'
module Dry
module Transaction
module Steps
@solnic
solnic / am_dry_validation_1.rb
Last active May 21, 2022 13:42
dry-validation vs activemodel
require 'benchmark/ips'
require 'active_model'
require 'virtus'
require 'dry-validation'
require 'dry/validation/schema/form'
class User
include ActiveModel::Validations
include Virtus.model
@solnic
solnic / dry-monitor-example.rb
Created January 5, 2018 12:15
A simple dry-monitor example
require 'dry/monitor/notifications'
module MyApp
def self.notifications
@__notifications__ ||= Dry::Monitor::Notifications.new(:my_app)
end
notifications.register_event("users.created")
class Logger
@solnic
solnic / route_name.rb
Created July 26, 2012 10:22
Determine current route name in Rails
def route_name
Rails.application.routes.recognize(request) { |route, _| route.name }.flatten.last.name.to_sym
end
@solnic
solnic / type_safe_entity_vs_ar.rb
Last active November 24, 2021 02:23
Fetching type-safe entity with rom repo vs AR
Calculating -------------------------------------
type-safe users 273.000 i/100ms
ar user models 257.000 i/100ms
-------------------------------------------------
type-safe users 2.813k (± 1.7%) i/s - 14.196k
ar user models 2.574k (±10.7%) i/s - 12.850k
Comparison:
type-safe users: 2812.7 i/s
ar user models: 2574.2 i/s - 1.09x slower
@solnic
solnic / .devcontainer.json
Created May 30, 2021 10:58
VS Code configs
{
"name": "app",
"dockerComposeFile": "docker-compose.yml",
"service": "dev",
"workspaceFolder": "/usr/local/src/app",
"extensions": [
"eamodio.gitlens",
"sleistner.vscode-fileutils",
"rebornix.Ruby",
"castwide.solargraph",
@solnic
solnic / bare-bone-fp-ruby-objects.rb
Created June 3, 2021 21:03
Bare bone, no-library, no-error handling, just the very core idea behind FP objects in Ruby
class CreateStuff
def initialize(stuff_repo)
@stuff_repo = stuff_repo
end
def call(params)
@stuff_repo.create(params)
end
end
@solnic
solnic / tasks.json
Created October 13, 2020 11:29
VS Code tasks.json with custom shell configured
{
// See https://go.microsoft.com/fwlink/?LinkId=733558
// for the documentation about the tasks.json format
"version": "2.0.0",
"options": {
"shell": {
"executable": "/usr/local/bin/zsh",
"args": ["-l", "-c"]
}
},
@solnic
solnic / virtus_anonymous_embedded_value.rb
Created April 26, 2012 16:17
class User
include Virtus
attribute :address do
attribute :street, String
attribute :city, String
attribute :zipcode, String
end
end