From 45c5da67af99cd20957f5db281887eaa26ccde5c Mon Sep 17 00:00:00 2001
From: Elizabeth <foxcapade@gmail.com>
Date: Tue, 21 Feb 2023 13:39:35 -0500
Subject: [PATCH] updates

---
 build.gradle.kts                              |  8 ++--
 .../s3/s34k/minio/BucketObjectContainer.kt    | 37 +++++++++++++++++++
 2 files changed, 41 insertions(+), 4 deletions(-)

diff --git a/build.gradle.kts b/build.gradle.kts
index f4d291f..5345b10 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,14 +1,14 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-  kotlin("jvm") version "1.6.20"
-  id("org.jetbrains.dokka") version "1.6.10"
+  kotlin("jvm") version "1.8.0"
+  id("org.jetbrains.dokka") version "1.7.20"
   `java-library`
   `maven-publish`
 }
 
 group = "org.veupathdb.lib.s3"
-version = "0.3.6+s34k-0.7.2"
+version = "0.4.0+s34k-0.8.0"
 
 java {
   sourceCompatibility = JavaVersion.VERSION_1_8
@@ -39,7 +39,7 @@ dependencies {
   implementation("io.minio:minio:8.4.5")
 
   @Suppress("GradlePackageVersionRange")
-  api("org.veupathdb.lib.s3:s34k-core:0.6.1+s34k-0.7.2")
+  api("org.veupathdb.lib.s3:s34k-core:0.7.0+s34k-0.8.0")
 
   testImplementation(kotlin("test"))
 }
diff --git a/src/main/kotlin/org/veupathdb/lib/s3/s34k/minio/BucketObjectContainer.kt b/src/main/kotlin/org/veupathdb/lib/s3/s34k/minio/BucketObjectContainer.kt
index 7be79e8..b883220 100644
--- a/src/main/kotlin/org/veupathdb/lib/s3/s34k/minio/BucketObjectContainer.kt
+++ b/src/main/kotlin/org/veupathdb/lib/s3/s34k/minio/BucketObjectContainer.kt
@@ -15,6 +15,7 @@ import org.veupathdb.lib.s3.s34k.*
 import org.veupathdb.lib.s3.s34k.buckets.S3Bucket
 import org.veupathdb.lib.s3.s34k.core.objects.AbstractObjectContainer
 import org.veupathdb.lib.s3.s34k.core.objects.BasicObjectList
+import org.veupathdb.lib.s3.s34k.core.objects.BasicSubPathListing
 import org.veupathdb.lib.s3.s34k.errors.MultiObjectDeleteError
 import org.veupathdb.lib.s3.s34k.errors.ObjectDeleteError
 import org.veupathdb.lib.s3.s34k.errors.S34KError
@@ -32,6 +33,7 @@ import org.veupathdb.lib.s3.s34k.params.`object`.directory.DirectoryDeleteParams
 import org.veupathdb.lib.s3.s34k.params.`object`.multi.MultiObjectDeleteParams
 import org.veupathdb.lib.s3.s34k.params.`object`.touch.ObjectTouchParams
 import java.time.OffsetDateTime
+import kotlin.streams.toList
 
 internal class BucketObjectContainer(
   private val bucket: S3Bucket,
@@ -309,6 +311,41 @@ internal class BucketObjectContainer(
     }
   }
 
+  override fun listSubPaths(params: SubPathListParams): SubPathListing {
+    log.debug("Attempting to list sub-paths under prefix {} with delimiter {} in bucket {}", params.prefix, params.delimiter, bucket)
+
+    return try {
+      val prefixes = ArrayList<String>(100)
+      val objects  = minio.listObjects(ListObjectsArgs.builder()
+        .bucket(bucket)
+        .region(params, bucket)
+        .recursive(true)
+        .prefix(params.prefix)
+        .delimiter(params.delimiter)
+        .headers(params.headers)
+        .queryParams(params.queryParams)
+        .build())
+        .toStream()
+        .map(Result<Item>::get)
+        .peek { if (it.isDir) prefixes.add(it.objectName()) }
+        .filter { !it.isDir }
+        .map { MObject(
+          it.objectName(),
+          it.lastModified().toOffsetDateTime(),
+          it.etag(),
+          bucket.region,
+          MHeaders(),
+          bucket,
+          minio
+        ) }
+        .toIterable()
+
+      BasicSubPathListing(BasicObjectList(objects), prefixes)
+    } catch (e: Throwable) {
+      e.throwCorrect { "Failed to fetch sub-path list from bucket $bucket" }
+    }
+  }
+
   override fun open(path: String, params: ObjectOpenParams): StreamObject? {
     log.debug("Attempting to open object '{}' in {}", path, bucket)