Add migrate-authors script

Author: valencik

migrate-authors.scala

@@ -0,0 +1,87 @@
+//> using dep org.virtuslab::scala-yaml::0.3.1
+//> using dep co.fs2::fs2-io::3.12.2
+
+import cats.effect.{IO, IOApp}
+import cats.syntax.all.*
+import fs2.io.file.{Files, Path, Flags}
+import org.virtuslab.yaml.*
+
+case class OldAuthor(
+    full_name: String,
+    twitter: Option[String],
+    github: Option[String],
+    bio: Option[String]
+) derives YamlCodec {
+  def toNew(key: String): NewAuthor = {
+    // Using GH avatars instead of old `portrait` image for now
+    val avatar = github.map(gh => s"https://github.com/$gh.png")
+    NewAuthor(
+      key = key,
+      name = full_name,
+      avatar = avatar,
+      github = github,
+      twitter = twitter,
+      bio = bio
+    )
+  }
+}
+
+case class NewAuthor(
+    key: String,
+    name: String,
+    avatar: Option[String],
+    github: Option[String],
+    twitter: Option[String],
+    bio: Option[String]
+) {
+  def toHocon: String = {
+    val avatarLine = avatar.map(av => s"""  avatar: "$av"""")
+    val githubLine = github.map(gh => s"  github: $gh")
+    val twitterLine = twitter.map(tw => s"  twitter: $tw")
+    val bioLine = bio.map(b => s"""  bio: "$b"""")
+
+    val lines = List(
+      Some(s"$key {"),
+      Some(s"""  name: "$name""""),
+      avatarLine,
+      githubLine,
+      twitterLine,
+      bioLine,
+      Some("}")
+    ).flatten
+
+    lines.mkString("\n") + "\n"
+  }
+}
+
+object MigrateAuthors extends IOApp.Simple {
+  val authorsYamlPath = Path("../typelevel.github.com/_data/authors.yml")
+  val directoryConfPath = Path("src/blog/directory.conf")
+  val alreadyMigrated = Set("typelevel", "foundation", "djspiewak")
+
+  def readAuthorsYaml: IO[String] = Files[IO]
+    .readAll(authorsYamlPath)
+    .through(fs2.text.utf8.decode)
+    .compile
+    .string
+
+  def appendToDirectoryConf(content: String): IO[Unit] = fs2.Stream
+    .emit(content)
+    .through(fs2.text.utf8.encode)
+    .through(Files[IO].writeAll(directoryConfPath, Flags.Append))
+    .compile
+    .drain
+
+  def run: IO[Unit] = for {
+    yamlContent <- readAuthorsYaml
+    authorsMap <- IO.fromEither(yamlContent.as[Map[String, OldAuthor]])
+    newAuthors = authorsMap.toList
+      .filterNot { case (key, _) => alreadyMigrated.contains(key) }
+      .sortBy(_._1)
+      .map { case (key, oldAuthor) => oldAuthor.toNew(key) }
+    hoconContent = "\n" + newAuthors.map(_.toHocon).mkString("\n")
+
+    _ <- appendToDirectoryConf(hoconContent)
+    _ <- IO.println(s"Migrated ${newAuthors.size} authors")
+  } yield ()
+}