Add upload progress reporting (#313)

Author: Malax

CHANGELOG.md

@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+* Upload progress reporting ([#313](https://github.com/heroku/heroku-jvm-application-deployer/pull/313))
 
 ## [4.0.4] - 2024-04-03
 

src/main/java/com/heroku/deployer/deployment/Deployer.java

@@ -40,8 +40,9 @@ public static boolean deploy(String apiKey, String clientName, String clientVers
         }
 
         System.out.println("-----> Uploading build...");
-        uploadSourceBlob(deploymentDescriptor.getSourceBlobPath(), URI.create(sourceBlob.getPutUrl()), (currentBytes, totalBytes) -> {});
-        System.out.println("       - success");
+        long uploadStartMillis = System.currentTimeMillis();
+        uploadSourceBlob(deploymentDescriptor.getSourceBlobPath(), URI.create(sourceBlob.getPutUrl()), new UploadProgressReporter());
+        System.out.printf("       - success (%.1f seconds)\n", (float) (System.currentTimeMillis() - uploadStartMillis) / 1000.0f);
 
         List<String> buildpacks = deploymentDescriptor.getBuildpacks();
         if (buildpacks.isEmpty()) {

src/main/java/com/heroku/deployer/deployment/UploadProgressReporter.java

@@ -0,0 +1,24 @@
+package com.heroku.deployer.deployment;
+
+import org.apache.commons.io.FileUtils;
+import java.util.function.BiConsumer;
+
+public final class UploadProgressReporter implements BiConsumer<Long, Long> {
+    private long lastOutput;
+    private long lastBytes;
+
+    @Override
+    public void accept(Long currentBytes, Long totalBytes) {
+        if (System.currentTimeMillis() - lastOutput > 1000) {
+            System.out.printf("       Uploaded %s/%s (%.1f%%, %s/s)\n",
+                    FileUtils.byteCountToDisplaySize(currentBytes),
+                    FileUtils.byteCountToDisplaySize(totalBytes),
+                    ((float) currentBytes / (float) totalBytes) * 100.0,
+                    FileUtils.byteCountToDisplaySize(currentBytes - lastBytes)
+            );
+
+            lastOutput = System.currentTimeMillis();
+            lastBytes = currentBytes;
+        }
+    }
+}