Initial commit

buildSrc/src/main/kotlin/AdventOfCodePlugin.kt

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+import kong.unirest.Unirest
+import org.gradle.api.GradleException
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.api.tasks.SourceSetContainer
+import org.gradle.kotlin.dsl.create
+import org.gradle.kotlin.dsl.getByType
+import java.io.File
+import java.time.LocalDateTime
+
+open class AdventOfCodeExtension {
+    var session: String? = null
+    var year: Int = 2020
+}
+
+class AdventOfCodePlugin : Plugin<Project> {
+    override fun apply(project: Project) {
+        project.tasks.create("aoc") {
+            group = "Advent of Code"
+            description = "Download the input of the day"
+
+            val extension = project.extensions.create<AdventOfCodeExtension>("adventOfCode")
+
+            doLast {
+                if (extension.session == null) {
+                    throw GradleException("advent of code session not set")
+                }
+
+                val resourceDir: File = project
+                    .project(":days")
+                    .extensions
+                    .getByType<SourceSetContainer>()
+                    .getByName("main")
+                    .resources
+                    .srcDirs
+                    .first()
+
+                val currentDay = LocalDateTime.now().dayOfMonth.toString()
+                val outFile = File(resourceDir, "day" + currentDay.padStart(length = 2, padChar = '0') + ".txt")
+                val url = "https://adventofcode.com/${extension.year}/day/$currentDay/input"
+
+                Unirest.get(url)
+                    .cookie("session", extension.session)
+                    .header("Accept", "text/plain")
+                    .asString()
+                    .ifFailure {
+                        throw GradleException("Failed to get input, got status ${it.status}")
+                    }
+                    .ifSuccess {
+                        outFile.writeText(it.body)
+                        println("Saved input for day $currentDay")
+                    }
+            }
+        }
+    }
+}

buildSrc/src/main/kotlin/Libs.kt

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+@file:Suppress("SpellCheckingInspection")
+
+object Libs {
+
+    object Arrow {
+        const val version = "0.11.0"
+        const val core = "io.arrow-kt:arrow-core:$version"
+        const val optics = "io.arrow-kt:arrow-optics:$version"
+        const val fx = "io.arrow-kt:arrow-fx:$version"
+    }
+
+    object EclipseCollection {
+        const val api = "org.eclipse.collections:eclipse-collections-api:10.4.0"
+        const val core = "org.eclipse.collections:eclipse-collections:10.4.0"
+    }
+
+    object Jmh {
+        const val core = "org.openjdk.jmh:jmh-core:1.26"
+        const val processor = "org.openjdk.jmh:jmh-generator-annprocess:1.26"
+    }
+
+    object Tests {
+        const val assertJ = "org.assertj:assertj-core:3.18.1"
+        const val junit = "org.junit.jupiter:junit-jupiter:5.7.0"
+    }
+
+}

buildSrc/src/main/kotlin/java-convention.gradle.kts

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+plugins {
+    id("java-library")
+    id("junit-convention")
+}
+
+repositories {
+    mavenCentral()
+    jcenter()
+    maven { url = uri("https://dl.bintray.com/arrow-kt/arrow-kt/") }
+    maven { url = uri("https://kotlin.bintray.com/kotlinx") }
+}
+
+group = "be.vandewalleh"
+version = "1.0-SNAPSHOT"
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_15
+    targetCompatibility = JavaVersion.VERSION_15
+}
+
+tasks.withType<JavaCompile> {
+    options.encoding = "UTF-8"
+}

buildSrc/src/main/kotlin/junit-convention.gradle.kts

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+plugins {
+    java apply false
+}
+
+tasks.withType<Test> {
+    useJUnitPlatform()
+}
+
+dependencies {
+    testImplementation(Libs.Tests.junit)
+    testImplementation(Libs.Tests.assertJ)
+}

buildSrc/src/main/kotlin/kotlin-convention.gradle.kts

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+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+plugins {
+    id("java-convention")
+    kotlin("jvm")
+}
+
+dependencies {
+    implementation(kotlin("stdlib-jdk8"))
+    implementation(platform("org.jetbrains.kotlin:kotlin-bom:1.4.20"))
+}
+
+tasks.withType<KotlinCompile> {
+    kotlinOptions {
+        jvmTarget = "15"
+        javaParameters = true
+        freeCompilerArgs = listOf(
+            "-Xinline-classes",
+            "-Xno-param-assertions",
+            "-Xno-call-assertions",
+            "-Xno-receiver-assertions",
+            "-Xopt-in=kotlin.RequiresOptIn"
+        )
+    }
+}

buildSrc/src/main/resources/META-INF/gradle-plugins/advent-of-code.properties

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+implementation-class=AdventOfCodePlugin