Yeray Cabello JYCabello

Staff engineer, 12 years on the field. Enterprise, lines of business, and performance/reliability tuning.

JYCabello / gradleProject.ps1

Last active July 5, 2022 14:11

PowerShell script to create a gradle project and open it with idea

	function Idea {
	param (
	$PROJECT
	)
	$IDEA_PATH="YOURPATHTOIDEA\bin\idea64.exe"
	Invoke-Expression "& '$IDEA_PATH' $PROJECT"
	}

	function CloneIdea {
	param (

JYCabello / FruitRepositoryIO.kt

Last active December 2, 2019 07:32

Using IO for the fruit repository insertOrUpdate

	import arrow.core.None
	import arrow.core.Option
	import arrow.core.some
	import arrow.fx.IO

	fun insertOrUpdate(fruit: FruitMetadata): IO<Int> =
	findByAuthorityId(fruit.fruitAuthorityId)
	.flatMapNone { findByCouncilId(fruit.fruitCouncilId) }
	.flatMapNone { findByName(fruit.name) }
	.flatMap { it.fold({ insert(fruit) }, { id -> update(id, fruit) }) }

JYCabello / FruitRepository.kt

Last active December 2, 2019 07:32

Functional approach to insertOrUpdate

	import arrow.core.None
	import arrow.core.Option
	import arrow.core.Some

	fun insertOrUpdate(fruit: FruitMetadata): Int =
	findByAuthorityId(fruit.fruitAuthorityId)
	.fold({ findByCouncilId(fruit.fruitCouncilId) }, ::Some)
	.fold({ findByName(fruit.name) }, ::Some)
	.fold({ insert(fruit) }, { update(it, fruit) })

JYCabello / FruitRepository.cs

Created December 1, 2019 16:59

Imperative approach to insertOrUpdate

	namespace Sandbox.InserOrUpdate
	{
	public class FruitRepository
	{
	public int InsertOrUpdate(FruitMetadata fruit)
	{
	var id = FindByAuthorityId(fruit.FruitAuthorityId) ?? FindByCouncilId(fruit.FruitCouncilId) ?? FindByName(fruit.Name);
	return id.HasValue ? Update(id.Value, fruit) : Insert(fruit);
	}