✨ Add metadata generation

src/main/java/dev/dinauer/maven/Dev.java

@@ -26,19 +26,23 @@ import org.jspecify.annotations.NonNull;
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.security.SecureRandom;
 import java.time.LocalDate;
 import java.time.ZonedDateTime;
+import java.util.List;
 import java.util.Objects;
+import java.util.Random;
 import java.util.UUID;
 
 @ApplicationScoped
 @IfBuildProfile("dev")
-public class Dev
+public class Dev implements SecurityIdentityAugmentor
 {
     private static final BCrypt.Hasher HASHER = BCrypt.withDefaults();
 
     @Inject
     TokenRepo tokenRepo;
+
     @Inject
     MavenService mavenService;
 
@@ -59,6 +63,8 @@ public class Dev
         uploadRelease_02();
         uploadSnapshot_01();
         uploadSnapshot_02();
+        uploadSnapshot_03();
+        uploadParent_01();
     }
 
     private void uploadRelease_01() throws IOException
@@ -89,8 +95,25 @@ public class Dev
         mavenService.upload("/org/postgresql/postgresql/42.7.9-SNAPSHOT/postgresql-42.7.9-20250419.133456-1.pom", readFile("/jar/postgresql-42.7.9.pom"));
     }
 
+    private void uploadSnapshot_03() throws IOException
+    {
+        mavenService.upload("/org/postgresql/postgresql/42.7.10-SNAPSHOT/postgresql-42.7.10-20250419.123456-1.jar", readFile("/jar/postgresql-42.7.9.jar"));
+        mavenService.upload("/org/postgresql/postgresql/42.7.10-SNAPSHOT/postgresql-42.7.10-20250419.123456-1.pom", readFile("/jar/postgresql-42.7.9.pom"));
+    }
+
     private byte[] readFile(String path) throws IOException
     {
         return Objects.requireNonNull(getClass().getResourceAsStream(path)).readAllBytes();
     }
+
+    private void uploadParent_01() throws IOException
+    {
+        mavenService.upload("/dev/dinauer/maven-parent/1.0.0/maven-parent-1.0.0.pom", readFile("/jar/postgresql-42.7.9.pom"));
+    }
+
+    @Override
+    public Uni<SecurityIdentity> augment(SecurityIdentity identity, AuthenticationRequestContext context)
+    {
+        return Uni.createFrom().item(QuarkusSecurityIdentity.builder().setPrincipal(new QuarkusPrincipal("67f2814b-f8af-42b2-be9e-8a43cde383ec")).build());
+    }
 }

src/main/java/dev/dinauer/maven/Lists.java

@@ -0,0 +1,15 @@
+package dev.dinauer.maven;
+
+import java.util.List;
+
+public class Lists
+{
+    public static <P> P getFirst(List<P> input)
+    {
+        if (input == null || input.isEmpty())
+        {
+            return null;
+        }
+        return input.getFirst();
+    }
+}

src/main/java/dev/dinauer/maven/app/ArtifactResource.java

@@ -25,9 +25,11 @@ public class ArtifactResource
 
     @RestClient
     UserClient userClient;
+    @Inject
+    ResponseEnhancementService responseEnhancementService;
 
     @GET
-    public List<ArtifactId> get()
+    public EnhancedResponse get()
     {
         return find();
     }
@@ -47,15 +49,9 @@ public class ArtifactResource
         artifactRepo.deleteById(id);
     }
 
-    private List<ArtifactId> find()
+    private EnhancedResponse find()
     {
-        List<ArtifactId> artifactIds = artifactRepo.listAll();
-        Map<String, User> accounts = getAccounts(artifactIds);
-        for (ArtifactId artifactId : artifactIds)
-        {
-            System.out.println("Skip setting user. Needs to be implemented");
-        }
-        return artifactIds;
+        return responseEnhancementService.enhance(artifactRepo.listAll());
     }
 
     private Map<String, User> getAccounts(List<ArtifactId> artifactIds)

src/main/java/dev/dinauer/maven/app/EnhancedResponse.java

@@ -0,0 +1,10 @@
+package dev.dinauer.maven.app;
+
+import dev.dinauer.maven.user.User;
+
+import java.util.Map;
+import java.util.Objects;
+
+public record EnhancedResponse(Object data, Map<String, User> users)
+{
+}

src/main/java/dev/dinauer/maven/app/GroupResource.java

@@ -6,6 +6,7 @@ import dev.dinauer.maven.event.Resource;
 import dev.dinauer.maven.event.repo.EventRepo;
 import dev.dinauer.maven.maven.core.GroupRepo;
 import dev.dinauer.maven.maven.core.GroupId;
+import io.quarkus.security.identity.SecurityIdentity;
 import jakarta.inject.Inject;
 import jakarta.transaction.Transactional;
 import jakarta.ws.rs.DELETE;
@@ -21,9 +22,13 @@ public class GroupResource
 {
     @Inject
     GroupRepo groupRepo;
+
     @Inject
     EventRepo eventRepo;
 
+    @Inject
+    SecurityIdentity securityIdentity;
+
     @GET
     public List<GroupId> get()
     {
@@ -46,7 +51,7 @@ public class GroupResource
         if (groupId != null)
         {
             groupRepo.delete(groupId);
-            eventRepo.persist(new Event().setType(EventType.DELETE).setTimestamp(ZonedDateTime.now()).setResource(new Resource().setGroupId(groupId.getGroupId())));
+            eventRepo.persist(new Event().setUserId(securityIdentity.getPrincipal().getName()).setType(EventType.DELETE).setTimestamp(ZonedDateTime.now()).setResource(new Resource().setGroupId(groupId.getGroupId())));
         }
     }
 }

src/main/java/dev/dinauer/maven/app/ResponseEnhancementService.java

@@ -0,0 +1,22 @@
+package dev.dinauer.maven.app;
+
+import dev.dinauer.maven.shared.UserReferencing;
+import dev.dinauer.maven.user.UserClient;
+import jakarta.enterprise.context.ApplicationScoped;
+import org.eclipse.microprofile.rest.client.inject.RestClient;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@ApplicationScoped
+public class ResponseEnhancementService
+{
+    @RestClient
+    UserClient userClient;
+
+    public <P extends UserReferencing> EnhancedResponse enhance(Collection<P> data)
+    {
+        return new EnhancedResponse(data, userClient.get(data.stream().map(UserReferencing::getUserIds).flatMap(List::stream).collect(Collectors.toSet())));
+    }
+}

src/main/java/dev/dinauer/maven/event/Event.java

@@ -1,14 +1,18 @@
 package dev.dinauer.maven.event;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonManagedReference;
+import dev.dinauer.maven.shared.UserReferencing;
 import dev.dinauer.maven.user.User;
 import jakarta.persistence.*;
 
 import java.time.ZonedDateTime;
+import java.util.List;
 
 @Entity
 @Table(name = "event")
-public class Event
+public class Event implements UserReferencing
 {
     @Id
     @GeneratedValue(strategy = GenerationType.UUID)
@@ -24,11 +28,8 @@ public class Event
 
     private ZonedDateTime timestamp;
 
-    @Column(name = "accountId")
-    private String accountId;
-
-    @Transient
-    private User user;
+    @Column(name = "user_id")
+    private String userId;
 
     public String getId()
     {
@@ -74,25 +75,20 @@ public class Event
         return this;
     }
 
-    public String getAccountId()
+    public String getUserId()
     {
-        return accountId;
+        return userId;
     }
 
-    public Event setAccountId(String userId)
+    public Event setUserId(String userId)
     {
-        this.accountId = userId;
+        this.userId = userId;
         return this;
     }
 
-    public User getAccount()
+    @Override
+    public List<String> getUserIds()
     {
-        return user;
-    }
-
-    public Event setAccount(User user)
-    {
-        this.user = user;
-        return this;
+        return List.of(userId);
     }
 }

src/main/java/dev/dinauer/maven/event/EventsResource.java

@@ -1,5 +1,7 @@
 package dev.dinauer.maven.event;
 
+import dev.dinauer.maven.app.EnhancedResponse;
+import dev.dinauer.maven.app.ResponseEnhancementService;
 import dev.dinauer.maven.user.User;
 import dev.dinauer.maven.event.repo.EventRepo;
 import dev.dinauer.maven.user.UserClient;
@@ -21,33 +23,12 @@ public class EventsResource
     @Inject
     EventRepo eventRepo;
 
-    @RestClient
-    UserClient userClient;
-
     @Inject
-    SecurityContext context;
+    ResponseEnhancementService responseEnhancementService;
 
     @GET
-    public List<Event> get()
+    public EnhancedResponse get()
     {
-        return find(eventRepo.listAll(Sort.by("timestamp", Sort.Direction.Descending)));
-    }
-
-    private List<Event> find(List<Event> events)
-    {
-        Principal c = context.getUserPrincipal();
-        List<String> ids = new ArrayList<>();
-        for (Event event : events)
-        {
-            ids.add(event.getAccountId());
-        }
-
-        Map<String, User> accounts = userClient.get(ids);
-
-        for (Event event : events)
-        {
-            event.setAccount(accounts.get(event.getAccountId()));
-        }
-        return events;
+        return responseEnhancementService.enhance(eventRepo.listAll(Sort.by("timestamp", Sort.Direction.Descending)));
     }
 }

src/main/java/dev/dinauer/maven/maven/core/ArtifactId.java

@@ -1,21 +1,24 @@
 package dev.dinauer.maven.maven.core;
 
 import com.fasterxml.jackson.annotation.JsonBackReference;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonManagedReference;
 import dev.dinauer.maven.maven.core.release.ReleaseVersion;
 import dev.dinauer.maven.maven.core.snapshot.SnapshotVersion;
+import dev.dinauer.maven.shared.UserReferencing;
 import jakarta.persistence.*;
 import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
 
 import java.time.ZonedDateTime;
 import java.util.ArrayList;
 import java.util.Comparator;
+import java.util.LinkedList;
 import java.util.List;
 import java.util.stream.Stream;
 
 @Entity
 @Table(name = "artifact_id")
-public class ArtifactId
+public class ArtifactId implements UserReferencing
 {
     @Id
     @GeneratedValue(strategy = GenerationType.UUID)
@@ -109,6 +112,10 @@ public class ArtifactId
     public ArtifactId setUpdatedAt(ZonedDateTime updatedAt)
     {
         this.updatedAt = updatedAt;
+        if (this.group != null)
+        {
+            this.group.setUpdatedAt(updatedAt);
+        }
         return this;
     }
 
@@ -146,7 +153,7 @@ public class ArtifactId
 
     public List<ReleaseVersion> getReleaseVersions()
     {
-        return releaseVersions;
+        return releaseVersions.stream().sorted(Comparator.comparing(item -> new DefaultArtifactVersion(item.getVersion()))).toList().reversed();
     }
 
     public ArtifactId setReleaseVersions(List<ReleaseVersion> releaseVersions)
@@ -154,4 +161,15 @@ public class ArtifactId
         this.releaseVersions = releaseVersions;
         return this;
     }
+
+    @Override
+    public List<String> getUserIds()
+    {
+        List<String> userIds = new LinkedList<>();
+        for (ReleaseVersion releaseVersion : releaseVersions)
+        {
+            userIds.addAll(releaseVersion.getUserIds());
+        }
+        return userIds;
+    }
 }

src/main/java/dev/dinauer/maven/maven/core/MavenService.java

@@ -1,5 +1,6 @@
 package dev.dinauer.maven.maven.core;
 
+import dev.dinauer.maven.maven.core.artifact.metadata.ArtifactMetadataService;
 import dev.dinauer.maven.maven.core.context.ArtifactContext;
 import dev.dinauer.maven.maven.core.context.ReleaseContext;
 import dev.dinauer.maven.maven.core.context.SnapshotContext;
@@ -36,6 +37,8 @@ public class MavenService
     SnapshotService snapshotService;
     @Inject
     SnapshotMetadataService snapshotMetadataService;
+    @Inject
+    ArtifactMetadataService artifactMetadataService;
 
     public void upload(String path, byte[] body)
     {
@@ -96,7 +99,14 @@ public class MavenService
         }
         if (context.getClass() == ArtifactContext.class)
         {
-            return Response.status(404).build();
+            if (context.extensions().hashExt().isEmpty())
+            {
+                return Response.status(200).type(MediaType.APPLICATION_XML).entity(artifactMetadataService.generate(context)).build();
+            }
+            else
+            {
+                return Response.status(200).type(MediaType.TEXT_PLAIN).entity(artifactMetadataService.generateHash(context)).build();
+            }
         }
         throw new BadRequestException();
     }

src/main/java/dev/dinauer/maven/maven/core/artifact/metadata/ArtifactMetadataService.java

@@ -0,0 +1,88 @@
+package dev.dinauer.maven.maven.core.artifact.metadata;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.dataformat.xml.XmlMapper;
+import dev.dinauer.maven.Lists;
+import dev.dinauer.maven.maven.core.ArtifactId;
+import dev.dinauer.maven.maven.core.ArtifactRepo;
+import dev.dinauer.maven.maven.core.Version;
+import dev.dinauer.maven.maven.core.artifact.metadata.model.ArtifactMetadata;
+import dev.dinauer.maven.maven.core.artifact.metadata.model.ArtifactVersioning;
+import dev.dinauer.maven.maven.core.context.ArtifactContext;
+import dev.dinauer.maven.maven.core.context.VersionContext;
+import dev.dinauer.maven.maven.core.release.ReleaseVersion;
+import dev.dinauer.maven.maven.core.snapshot.SnapshotBundle;
+import dev.dinauer.maven.maven.core.snapshot.metadata.model.Snapshot;
+import dev.dinauer.maven.maven.core.snapshot.metadata.model.SnapshotMetadata;
+import dev.dinauer.maven.maven.core.snapshot.metadata.model.SnapshotVersion;
+import dev.dinauer.maven.maven.core.snapshot.metadata.model.SnapshotVersioning;
+import jakarta.enterprise.context.ApplicationScoped;
+import jakarta.inject.Inject;
+import jakarta.ws.rs.InternalServerErrorException;
+import jakarta.ws.rs.NotFoundException;
+import org.apache.commons.codec.digest.DigestUtils;
+
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.List;
+
+@ApplicationScoped
+public class ArtifactMetadataService
+{
+    private static final XmlMapper XML_MAPPER = new XmlMapper();
+    private final ArtifactRepo artifactRepo;
+
+    @Inject
+    public ArtifactMetadataService(ArtifactRepo artifactRepo)
+    {
+        this.artifactRepo = artifactRepo;
+    }
+
+    public String generate(ArtifactContext artifactContext)
+    {
+        try
+        {
+            return XML_MAPPER.writeValueAsString(generateMetadata(artifactContext));
+        }
+        catch (JsonProcessingException e)
+        {
+            throw new InternalServerErrorException();
+        }
+    }
+
+    private ArtifactMetadata generateMetadata(ArtifactContext artifactContext)
+    {
+        ArtifactId artifactId = artifactRepo.findOptionalByArtifactId(artifactContext.groupId(), artifactContext.artifactId()).orElseThrow(NotFoundException::new);
+        ZonedDateTime lastUpdated = artifactId.getUpdatedAt();
+        List<Version> versions = artifactId.getVersions();
+        Version latest = versions.getFirst();
+        String latestRelease = latestRelease(artifactId);
+        return new ArtifactMetadata(artifactId.getGroupId(), artifactId.getArtifactId(), new ArtifactVersioning(latest.getVersion(), latestRelease, versions.stream().map(Version::getVersion).toList().reversed(), lastUpdated.format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss"))));
+    }
+
+    public String generateHash(ArtifactContext artifactContext)
+    {
+        switch (artifactContext.extensions().hashExt().orElseThrow())
+        {
+            case MD5 ->
+            {
+                return DigestUtils.md5Hex(generate(artifactContext));
+            }
+            case SHA256 ->
+            {
+                return DigestUtils.sha256Hex(generate(artifactContext));
+            }
+        }
+        throw new IllegalArgumentException();
+    }
+
+    private String latestRelease(ArtifactId artifactId)
+    {
+        ReleaseVersion releaseVersion = Lists.getFirst(artifactId.getReleaseVersions());
+        if (releaseVersion != null)
+        {
+            return releaseVersion.getVersion();
+        }
+        return null;
+    }
+}

src/main/java/dev/dinauer/maven/maven/core/artifact/metadata/model/ArtifactMetadata.java

@@ -0,0 +1,8 @@
+package dev.dinauer.maven.maven.core.artifact.metadata.model;
+
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlRootElement;
+
+@JacksonXmlRootElement(localName = "metadata")
+public record ArtifactMetadata(String groupId, String artifactId, ArtifactVersioning versioning)
+{
+}

src/main/java/dev/dinauer/maven/maven/core/artifact/metadata/model/ArtifactVersioning.java

@@ -0,0 +1,11 @@
+package dev.dinauer.maven.maven.core.artifact.metadata.model;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlElementWrapper;
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
+
+import java.util.List;
+
+public record ArtifactVersioning(String latest, @JsonInclude(JsonInclude.Include.NON_NULL) String release, @JacksonXmlElementWrapper(localName = "versions") @JacksonXmlProperty(localName = "version") List<String> versions, String lastUpdated)
+{
+}

src/main/java/dev/dinauer/maven/maven/core/release/ReleasePom.java

@@ -4,6 +4,8 @@ import com.fasterxml.jackson.annotation.JsonBackReference;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import jakarta.persistence.*;
 
+import java.time.ZonedDateTime;
+
 @Entity
 @Table(name = "release_pom")
 public class ReleasePom
@@ -30,6 +32,9 @@ public class ReleasePom
     @JsonBackReference
     private ReleaseVersion releaseVersion;
 
+    @Column(name = "updated_at")
+    private ZonedDateTime updatedAt;
+
     public String getId()
     {
         return id;
@@ -106,4 +111,19 @@ public class ReleasePom
         this.filename = filename;
         return this;
     }
+
+    public ZonedDateTime getUpdatedAt()
+    {
+        return updatedAt;
+    }
+
+    public ReleasePom setUpdatedAt(ZonedDateTime updatedAt)
+    {
+        this.updatedAt = updatedAt;
+        if (this.releaseVersion != null)
+        {
+            this.releaseVersion.setUpdatedAt(updatedAt);
+        }
+        return this;
+    }
 }

src/main/java/dev/dinauer/maven/maven/core/release/ReleasePomService.java

@@ -7,6 +7,7 @@ import dev.dinauer.maven.event.repo.EventRepo;
 import dev.dinauer.maven.maven.core.context.ReleaseContext;
 import dev.dinauer.maven.maven.core.context.SnapshotContext;
 import dev.dinauer.maven.maven.core.model.FileHash;
+import io.quarkus.security.identity.SecurityIdentity;
 import jakarta.enterprise.context.ApplicationScoped;
 import jakarta.inject.Inject;
 import jakarta.ws.rs.WebApplicationException;
@@ -24,13 +25,17 @@ public class ReleasePomService
 
     @Inject
     ReleaseVersionService releaseVersionService;
+
     @Inject
     EventRepo eventRepo;
 
+    @Inject
+    SecurityIdentity securityIdentity;
+
     public void store(ReleaseContext releaseContext, byte[] body)
     {
-        ReleasePom jar = releasePomRepo.find(releaseContext);
-        if (jar == null)
+        ReleasePom pom = releasePomRepo.find(releaseContext);
+        if (pom == null)
         {
             create(releaseContext, body);
             createEvent(releaseContext);
@@ -65,11 +70,12 @@ public class ReleasePomService
         releasePom.setMd5(DigestUtils.md5Hex(content));
         releasePom.setSha1(DigestUtils.sha1Hex(content));
         releasePom.setFilename(releaseContext.filename());
+        releasePom.setUpdatedAt(ZonedDateTime.now());
         releasePomRepo.persist(releasePom);
     }
 
     private void createEvent(ReleaseContext releaseContext)
     {
-        eventRepo.persist(new Event().setType(EventType.UPLOAD).setTimestamp(ZonedDateTime.now()).setResource(new Resource().setGroupId(releaseContext.groupId()).setArtifactId(releaseContext.artifactId()).setVersion(releaseContext.version()).setSnapshot(false)));
+        eventRepo.persist(new Event().setUserId(securityIdentity.getPrincipal().getName()).setType(EventType.UPLOAD).setTimestamp(ZonedDateTime.now()).setResource(new Resource().setGroupId(releaseContext.groupId()).setArtifactId(releaseContext.artifactId()).setVersion(releaseContext.version()).setSnapshot(false)));
     }
 }

src/main/java/dev/dinauer/maven/maven/core/release/ReleaseVersion.java

@@ -4,6 +4,7 @@ import com.fasterxml.jackson.annotation.JsonBackReference;
 import com.fasterxml.jackson.annotation.JsonManagedReference;
 import dev.dinauer.maven.maven.core.ArtifactId;
 import dev.dinauer.maven.maven.core.Version;
+import dev.dinauer.maven.shared.UserReferencing;
 import dev.dinauer.maven.user.User;
 import jakarta.persistence.*;
 
@@ -14,7 +15,7 @@ import java.util.Optional;
 
 @Entity
 @Table(name = "release_version")
-public class ReleaseVersion implements Version
+public class ReleaseVersion implements Version, UserReferencing
 {
     @Id
     @GeneratedValue(strategy = GenerationType.UUID)
@@ -50,6 +51,9 @@ public class ReleaseVersion implements Version
     @Column(name = "uploaded_by")
     private String uploadedBy;
 
+    @Column(name = "updated_at")
+    private ZonedDateTime updatedAt;
+
     @Transient
     private User uploadUser;
 
@@ -191,6 +195,27 @@ public class ReleaseVersion implements Version
         return Optional.empty();
     }
 
+    public ZonedDateTime getUpdatedAt()
+    {
+        return updatedAt;
+    }
+
+    public ReleaseVersion setUpdatedAt(ZonedDateTime updatedAt)
+    {
+        this.updatedAt = updatedAt;
+        if (this.artifact != null)
+        {
+            artifact.setUpdatedAt(updatedAt);
+        }
+        return this;
+    }
+
+    @Override
+    public List<String> getUserIds()
+    {
+        return List.of(uploadedBy);
+    }
+
     @Override
     public boolean isSnapshot()
     {

src/main/java/dev/dinauer/maven/maven/core/release/ReleaseVersionService.java

@@ -2,8 +2,10 @@ package dev.dinauer.maven.maven.core.release;
 
 import dev.dinauer.maven.maven.core.ArtifactService;
 import dev.dinauer.maven.maven.core.context.VersionContext;
+import io.quarkus.security.identity.SecurityIdentity;
 import jakarta.enterprise.context.ApplicationScoped;
 import jakarta.inject.Inject;
+import jakarta.ws.rs.core.SecurityContext;
 
 @ApplicationScoped
 public class ReleaseVersionService
@@ -14,6 +16,9 @@ public class ReleaseVersionService
     @Inject
     ArtifactService artifactService;
 
+    @Inject
+    SecurityIdentity securityIdentity;
+
     public ReleaseVersion findOrCreate(VersionContext versionContext)
     {
         ReleaseVersion releaseVersion = releaseVersionRepo.findByGroupIdAndArtifactIdAndVersion(versionContext.groupId(), versionContext.artifactId(), versionContext.version());
@@ -26,6 +31,7 @@ public class ReleaseVersionService
             ReleaseVersion created = new ReleaseVersion();
             created.setArtifact(artifactService.findOrCreate(versionContext.groupId(), versionContext.artifactId()));
             created.setVersion(versionContext.version());
+            created.setUploadedBy(securityIdentity.getPrincipal().getName());
             releaseVersionRepo.persist(created);
             return created;
         }

src/main/java/dev/dinauer/maven/maven/core/snapshot/SnapshotBundle.java

@@ -4,6 +4,7 @@ import com.fasterxml.jackson.annotation.JsonBackReference;
 import com.fasterxml.jackson.annotation.JsonManagedReference;
 import jakarta.persistence.*;
 
+import java.time.ZonedDateTime;
 import java.util.List;
 
 @Entity
@@ -34,6 +35,12 @@ public class SnapshotBundle
     @JsonManagedReference
     private SnapshotPom pom;
 
+    @Column(name = "updated_at")
+    private ZonedDateTime updatedAt;
+
+    @Column(name = "uploaded_by")
+    private String uploadedBy;
+
     public String getId()
     {
         return id;
@@ -115,4 +122,30 @@ public class SnapshotBundle
         this.pom = pom;
         return this;
     }
+
+    public ZonedDateTime getUpdatedAt()
+    {
+        return updatedAt;
+    }
+
+    public SnapshotBundle setUpdatedAt(ZonedDateTime updatedAt)
+    {
+        this.updatedAt = updatedAt;
+        if (this.snapshotVersion != null)
+        {
+            this.snapshotVersion.setUpdatedAt(updatedAt);
+        }
+        return this;
+    }
+
+    public String getUploadedBy()
+    {
+        return uploadedBy;
+    }
+
+    public SnapshotBundle setUploadedBy(String uploadedBy)
+    {
+        this.uploadedBy = uploadedBy;
+        return this;
+    }
 }

src/main/java/dev/dinauer/maven/maven/core/snapshot/SnapshotBundleService.java

@@ -1,6 +1,7 @@
 package dev.dinauer.maven.maven.core.snapshot;
 
 import dev.dinauer.maven.maven.core.context.SnapshotContext;
+import io.quarkus.security.identity.SecurityIdentity;
 import jakarta.enterprise.context.ApplicationScoped;
 import jakarta.inject.Inject;
 import jakarta.ws.rs.NotFoundException;
@@ -14,6 +15,9 @@ public class SnapshotBundleService
     @Inject
     SnapshotVersionService snapshotVersionService;
 
+    @Inject
+    SecurityIdentity securityIdentity;
+
     public SnapshotBundle findOrCreate(SnapshotContext snapshotContext)
     {
         SnapshotVersion snapshotVersion = snapshotVersionService.findOrCreate(snapshotContext);
@@ -29,6 +33,7 @@ public class SnapshotBundleService
             created.setTime(snapshotContext.time());
             created.setBuildNumber(snapshotContext.buildNumber());
             created.setSnapshotVersion(snapshotVersion);
+            created.setUploadedBy(securityIdentity.getPrincipal().getName());
             snapshotBundleRepo.persist(created);
             return created;
         }

src/main/java/dev/dinauer/maven/maven/core/snapshot/SnapshotJar.java

@@ -4,6 +4,8 @@ import com.fasterxml.jackson.annotation.JsonBackReference;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import jakarta.persistence.*;
 
+import java.time.ZonedDateTime;
+
 @Entity
 @Table(name = "snapshot_jar")
 public class SnapshotJar

src/main/java/dev/dinauer/maven/maven/core/snapshot/SnapshotJarService.java

@@ -8,6 +8,8 @@ import jakarta.ws.rs.WebApplicationException;
 import org.apache.commons.codec.digest.DigestUtils;
 import org.apache.commons.lang3.NotImplementedException;
 
+import java.time.ZonedDateTime;
+
 @ApplicationScoped
 public class SnapshotJarService
 {

src/main/java/dev/dinauer/maven/maven/core/snapshot/SnapshotPomService.java

@@ -6,6 +6,7 @@ import dev.dinauer.maven.event.Resource;
 import dev.dinauer.maven.event.repo.EventRepo;
 import dev.dinauer.maven.maven.core.context.ReleaseContext;
 import dev.dinauer.maven.maven.core.context.SnapshotContext;
+import io.quarkus.security.identity.SecurityIdentity;
 import jakarta.enterprise.context.ApplicationScoped;
 import jakarta.inject.Inject;
 import jakarta.ws.rs.WebApplicationException;
@@ -27,6 +28,9 @@ public class SnapshotPomService
     @Inject
     SnapshotBundleService snapshotBundleService;
 
+    @Inject
+    SecurityIdentity securityIdentity;
+
     public void store(SnapshotContext snapshotContext, byte[] body)
     {
         SnapshotBundle snapshotBundle = snapshotBundleService.findOrCreate(snapshotContext);
@@ -35,6 +39,7 @@ public class SnapshotPomService
         {
             create(snapshotBundle, body);
             createEvent(snapshotContext);
+            snapshotBundle.setUpdatedAt(ZonedDateTime.now());
         }
         else
         {
@@ -72,6 +77,6 @@ public class SnapshotPomService
 
     private void createEvent(SnapshotContext snapshotContext)
     {
-        eventRepo.persist(new Event().setType(EventType.UPLOAD).setTimestamp(ZonedDateTime.now()).setResource(new Resource().setGroupId(snapshotContext.groupId()).setArtifactId(snapshotContext.artifactId()).setVersion(snapshotContext.plainVersion()).setSnapshot(true)));
+        eventRepo.persist(new Event().setUserId(securityIdentity.getPrincipal().getName()).setType(EventType.UPLOAD).setTimestamp(ZonedDateTime.now()).setResource(new Resource().setGroupId(snapshotContext.groupId()).setArtifactId(snapshotContext.artifactId()).setVersion(snapshotContext.plainVersion()).setSnapshot(true)));
     }
 }

src/main/java/dev/dinauer/maven/maven/core/snapshot/SnapshotVersion.java

@@ -6,6 +6,7 @@ import dev.dinauer.maven.maven.core.ArtifactId;
 import dev.dinauer.maven.maven.core.Version;
 import jakarta.persistence.*;
 
+import java.time.ZonedDateTime;
 import java.util.List;
 
 @Entity
@@ -27,6 +28,9 @@ public class SnapshotVersion implements Version
     @JsonManagedReference
     private List<SnapshotBundle> snapshotBundles;
 
+    @Column(name = "updated_at")
+    private ZonedDateTime updatedAt;
+
     public String getId()
     {
         return id;
@@ -71,6 +75,21 @@ public class SnapshotVersion implements Version
         return this;
     }
 
+    public ZonedDateTime getUpdatedAt()
+    {
+        return updatedAt;
+    }
+
+    public SnapshotVersion setUpdatedAt(ZonedDateTime updatedAt)
+    {
+        this.updatedAt = updatedAt;
+        if (this.artifact != null)
+        {
+            this.artifact.setUpdatedAt(updatedAt);
+        }
+        return this;
+    }
+
     @Override
     public boolean isSnapshot()
     {

src/main/java/dev/dinauer/maven/shared/UserReferencing.java

@@ -0,0 +1,11 @@
+package dev.dinauer.maven.shared;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
+import java.util.List;
+
+public interface UserReferencing
+{
+    @JsonIgnore
+    List<String> getUserIds();
+}

src/main/java/dev/dinauer/maven/user/User.java

@@ -1,5 +1,12 @@
 package dev.dinauer.maven.user;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
+
 public record User(String id, String firstname, String lastname, String email)
 {
+    @JsonProperty("displayName")
+    public String displayName()
+    {
+        return String.format("%s, %s", firstname, lastname);
+    }
 }

src/main/java/dev/dinauer/maven/user/UserClient.java

@@ -8,6 +8,7 @@ import org.eclipse.microprofile.rest.client.inject.RegisterRestClient;
 
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 @Path("/users")
 @OidcClientFilter
@@ -19,5 +20,5 @@ public interface UserClient
 
     @POST
     @Path("/search")
-    Map<String, User> get(List<String> ids);
+    Map<String, User> get(Set<String> ids);
 }

src/main/resources/db/migration/V1.0.0__init.sql

@@ -8,6 +8,8 @@ create table group_id
             primary key
 );
 
+alter table group_id owner to postgres;
+
 create table artifact_id
 (
     created_at timestamp(6) with time zone,
@@ -22,10 +24,13 @@ create table artifact_id
             primary key
 );
 
+alter table artifact_id owner to postgres;
+
 create table release_version
 (
     pull_count integer,
     last_pulled timestamp(6) with time zone,
+    updated_at timestamp(6) with time zone,
     artifact_id varchar(255)
         constraint fk7c5hahrl7ws76sidh9d1434b8
             references artifact_id,
@@ -38,6 +43,8 @@ create table release_version
     version varchar(255)
 );
 
+alter table release_version owner to postgres;
+
 create table release_jar
 (
     classifier varchar(255),
@@ -54,8 +61,11 @@ create table release_jar
     jar bytea
 );
 
+alter table release_jar owner to postgres;
+
 create table release_pom
 (
+    updated_at timestamp(6) with time zone,
     filename varchar(255),
     id varchar(255) not null
         constraint release_pom_pkey
@@ -71,21 +81,24 @@ create table release_pom
     url varchar(255)
 );
 
+alter table release_pom owner to postgres;
+
 create table resource
 (
+    is_snapshot boolean,
     artifact_id varchar(255),
     group_id varchar(255),
-    is_snapshot boolean,
     id varchar(255) not null
         constraint resource_pkey
             primary key,
     version varchar(255)
 );
 
+alter table resource owner to postgres;
+
 create table event
 (
     timestamp timestamp(6) with time zone,
-    accountid varchar(255),
     id varchar(255) not null
         constraint event_pkey
             primary key,
@@ -96,11 +109,15 @@ create table event
             references resource,
     type varchar(255)
         constraint event_type_check
-            check ((type)::text = ANY ((ARRAY['UPLOAD'::character varying, 'DELETE'::character varying])::text[]))
-    );
+            check ((type)::text = ANY ((ARRAY['UPLOAD'::character varying, 'DELETE'::character varying])::text[])),
+	user_id varchar(255)
+);
+
+alter table event owner to postgres;
 
 create table snapshot_version
 (
+    updated_at timestamp(6) with time zone,
     artifact_id varchar(255)
         constraint fk64mje366563n82s8hy9bkfr14
             references artifact_id,
@@ -110,9 +127,12 @@ create table snapshot_version
     version varchar(255)
 );
 
+alter table snapshot_version owner to postgres;
+
 create table snapshot_bundle
 (
     build_number integer,
+    updated_at timestamp(6) with time zone,
     date varchar(255),
     id varchar(255) not null
         constraint snapshot_bundle_pkey
@@ -120,9 +140,12 @@ create table snapshot_bundle
     snapshot_version_id varchar(255)
         constraint fk3ve4wtmuywedyrri24dnqrpd9
             references snapshot_version,
-    time varchar(255)
+    time varchar(255),
+    uploaded_by varchar(255)
 );
 
+alter table snapshot_bundle owner to postgres;
+
 create table snapshot_jar
 (
     classifier varchar(255),
@@ -137,6 +160,8 @@ create table snapshot_jar
     jar bytea
 );
 
+alter table snapshot_jar owner to postgres;
+
 create table snapshot_pom
 (
     id varchar(255) not null
@@ -152,6 +177,8 @@ create table snapshot_pom
             references snapshot_bundle
 );
 
+alter table snapshot_pom owner to postgres;
+
 create table token
 (
     expires_at date,
@@ -163,3 +190,6 @@ create table token
     token varchar(255),
     user_id varchar(255)
 );
+
+alter table token owner to postgres;
+