[sync] Convert to a class

src/main/scala/net/kemitix/s3thorp/Main.scala

@@ -12,11 +12,13 @@ object Main extends IOApp {
   val defaultConfig: Config =
     Config("(none)", "", Paths.get(".").toFile)
 
+  val sync = new Sync()
+
   def program(args: List[String]): IO[ExitCode] =
     for {
       _ <- putStrLn("S3Thorp - hashed sync for s3")
       a <- ParseArgs(args, defaultConfig)
-      _ <- Sync(a)
+      _ <- sync.run(a)
     } yield ExitCode.Success
 
   override def run(args: List[String]): IO[ExitCode] =

src/main/scala/net/kemitix/s3thorp/Sync.scala

@@ -7,11 +7,15 @@ import java.time.Instant
 import cats.effect._
 import fs2.Stream
 import net.kemitix.s3thorp.Main.putStrLn
+import net.kemitix.s3thorp.Sync.{Hash, LastModified}
 
 import scala.concurrent.Promise
 
-object Sync extends LocalFileStream with S3MetaDataEnricher {
+class Sync extends LocalFileStream with S3MetaDataEnricher {
-  def apply(c: Config): IO[Unit] = for {
+
+  override def objectHead(bucket: String, key: String): (Hash, LastModified) = ???
+
+  def run(c: Config): IO[Unit] = for {
     _ <- putStrLn(s"Bucket: ${c.bucket}, Prefix: ${c.prefix}, Source: ${c.source}")
     _ <- {
       streamDirectoryPaths(c.source).flatMap(
@@ -21,12 +25,6 @@ object Sync extends LocalFileStream with S3MetaDataEnricher {
     }
   } yield ()
 
-  type Bucket = String // the S3 bucket name
-  type LocalFile = File // the file or directory
-  type RemotePath = String // path within an S3 bucket
-  type Hash = String // an MD5 hash
-  type LastModified = Instant // or scala equivalent
-
   private def uploadRequiredFilter: S3MetaData => Stream[IO, File] = s3Metadata => Stream.eval(for {
     _ <- putStrLn(s"upload required: ${s3Metadata.localFile}")
     //md5File(localFile)
@@ -40,5 +38,14 @@ object Sync extends LocalFileStream with S3MetaDataEnricher {
       p = Promise[Unit]()
     } yield p)
 
-  override def objectHead(bucket: String, key: String): (Hash, LastModified) = ???
+}
+
+object Sync {
+
+  type Bucket = String // the S3 bucket name
+  type LocalFile = File // the file or directory
+  type RemotePath = String // path within an S3 bucket
+  type Hash = String // an MD5 hash
+  type LastModified = Instant // or scala equivalent
+
 }