feat: implement move resource operation

src/main/java/com/epam/aidial/core/AiDial.java

@@ -14,6 +14,7 @@
 import com.epam.aidial.core.service.InvitationService;
 import com.epam.aidial.core.service.LockService;
 import com.epam.aidial.core.service.PublicationService;
+import com.epam.aidial.core.service.ResourceOperationService;
 import com.epam.aidial.core.service.ResourceService;
 import com.epam.aidial.core.service.ShareService;
 import com.epam.aidial.core.storage.BlobStorage;
@@ -108,14 +109,15 @@ void start() throws Exception {
             InvitationService invitationService = new InvitationService(resourceService, encryptionService, settings("invitations"));
             ShareService shareService = new ShareService(resourceService, invitationService, encryptionService);
             PublicationService publicationService = new PublicationService(encryptionService, resourceService, storage, generator, clock);
+            ResourceOperationService resourceOperationService = new ResourceOperationService(resourceService, storage, invitationService, shareService);
 
             AccessService accessService = new AccessService(encryptionService, shareService, publicationService);
             RateLimiter rateLimiter = new RateLimiter(vertx, resourceService);
 
             proxy = new Proxy(vertx, client, configStore, logStore,
                     rateLimiter, upstreamBalancer, accessTokenValidator,
                     storage, encryptionService, apiKeyStore, tokenStatsTracker, resourceService, invitationService,
-                    shareService, publicationService, accessService, lockService);
+                    shareService, publicationService, accessService, lockService, resourceOperationService);
 
             server = vertx.createHttpServer(new HttpServerOptions(settings("server"))).requestHandler(proxy);
             open(server, HttpServer::listen);

src/main/java/com/epam/aidial/core/Proxy.java

@@ -15,6 +15,7 @@
 import com.epam.aidial.core.service.InvitationService;
 import com.epam.aidial.core.service.LockService;
 import com.epam.aidial.core.service.PublicationService;
+import com.epam.aidial.core.service.ResourceOperationService;
 import com.epam.aidial.core.service.ResourceService;
 import com.epam.aidial.core.service.ShareService;
 import com.epam.aidial.core.storage.BlobStorage;
@@ -80,6 +81,7 @@ public class Proxy implements Handler<HttpServerRequest> {
     private final PublicationService publicationService;
     private final AccessService accessService;
     private final LockService lockService;
+    private final ResourceOperationService resourceOperationService;
 
     @Override
     public void handle(HttpServerRequest request) {

src/main/java/com/epam/aidial/core/controller/ControllerSelector.java

@@ -50,6 +50,8 @@ public class ControllerSelector {
     private static final Pattern INVITATION = Pattern.compile("^/v1/invitations/([a-zA-Z0-9]+)$");
     private static final Pattern PUBLICATIONS = Pattern.compile("^/v1/ops/publications/(list|get|create|delete)$");
 
+    private static final Pattern RESOURCE_OPERATIONS = Pattern.compile("^/v1/ops/resources/(move)$");
+
     private static final Pattern DEPLOYMENT_LIMITS = Pattern.compile("^/v1/deployments/([^/]+)/limits$");
 
     public Controller select(Proxy proxy, ProxyContext context) {
@@ -272,6 +274,12 @@ private static Controller selectPost(Proxy proxy, ProxyContext context, String p
             };
         }
 
+        match = match(RESOURCE_OPERATIONS, path);
+        if (match != null) {
+            ResourceOperationController controller = new ResourceOperationController(proxy, context);
+            return controller::move;
+        }
+
         return null;
     }
 

src/main/java/com/epam/aidial/core/controller/ResourceOperationController.java

@@ -0,0 +1,97 @@
+package com.epam.aidial.core.controller;
+
+import com.epam.aidial.core.Proxy;
+import com.epam.aidial.core.ProxyContext;
+import com.epam.aidial.core.data.MoveResourcesRequest;
+import com.epam.aidial.core.security.EncryptionService;
+import com.epam.aidial.core.service.LockService;
+import com.epam.aidial.core.service.ResourceOperationService;
+import com.epam.aidial.core.storage.BlobStorageUtil;
+import com.epam.aidial.core.storage.ResourceDescription;
+import com.epam.aidial.core.util.HttpException;
+import com.epam.aidial.core.util.HttpStatus;
+import com.epam.aidial.core.util.ProxyUtil;
+import io.vertx.core.Future;
+import io.vertx.core.Vertx;
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+public class ResourceOperationController {
+
+    private final ProxyContext context;
+    private final Proxy proxy;
+    private final Vertx vertx;
+    private final EncryptionService encryptionService;
+    private final ResourceOperationService resourceOperationService;
+    private final LockService lockService;
+
+    public ResourceOperationController(Proxy proxy, ProxyContext context) {
+        this.context = context;
+        this.proxy = proxy;
+        this.vertx = proxy.getVertx();
+        this.encryptionService = proxy.getEncryptionService();
+        this.resourceOperationService = proxy.getResourceOperationService();
+        this.lockService = proxy.getLockService();
+    }
+
+    public Future<?> move() {
+        context.getRequest()
+                .body()
+                .compose(buffer -> {
+                    MoveResourcesRequest request;
+                    try {
+                        request = ProxyUtil.convertToObject(buffer, MoveResourcesRequest.class);
+                    } catch (Exception e) {
+                        log.error("Invalid request body provided", e);
+                        throw new IllegalArgumentException("Can't initiate move resource request. Incorrect body provided");
+                    }
+
+                    String sourceUrl = request.getSourceUrl();
+                    if (sourceUrl == null) {
+                        throw new IllegalArgumentException("sourceUrl must be provided");
+                    }
+
+                    String destinationUrl = request.getDestinationUrl();
+                    if (destinationUrl == null) {
+                        throw new IllegalArgumentException("destinationUrl must be provided");
+                    }
+
+                    String bucketLocation = BlobStorageUtil.buildInitiatorBucket(context);
+                    String bucket = encryptionService.encrypt(bucketLocation);
+
+                    ResourceDescription sourceResource = ResourceDescription.fromLink(sourceUrl, encryptionService);
+                    if (!sourceResource.getBucketName().equals(bucket)) {
+                        throw new IllegalArgumentException("sourceUrl do not belong to the user");
+                    }
+
+                    ResourceDescription destinationResource = ResourceDescription.fromLink(destinationUrl, encryptionService);
+                    if (!destinationResource.getBucketName().equals(bucket)) {
+                        throw new IllegalArgumentException("destinationUrl do not belong to the user");
+                    }
+
+                    if (!sourceResource.getType().equals(destinationResource.getType())) {
+                        throw new IllegalArgumentException("source and destination resources must be the same type");
+                    }
+
+
+                    return vertx.executeBlocking(() -> lockService.underBucketLock(proxy, bucketLocation, () -> {
+                        resourceOperationService.moveResource(bucket, bucketLocation, sourceResource, destinationResource, request.isOverwrite());
+                        return null;
+                    }));
+                })
+                .onSuccess(ignore -> context.respond(HttpStatus.OK))
+                .onFailure(this::handleServiceError);
+
+        return Future.succeededFuture();
+    }
+
+    private void handleServiceError(Throwable error) {
+        if (error instanceof IllegalArgumentException) {
+            context.respond(HttpStatus.BAD_REQUEST, error.getMessage());
+        } else if (error instanceof HttpException httpException) {
+            context.respond(httpException.getStatus(), httpException.getMessage());
+        } else {
+            context.respond(HttpStatus.INTERNAL_SERVER_ERROR, error.getMessage());
+        }
+    }
+}

src/main/java/com/epam/aidial/core/data/MoveResourcesRequest.java

@@ -0,0 +1,14 @@
+package com.epam.aidial.core.data;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class MoveResourcesRequest {
+    String sourceUrl;
+    String destinationUrl;
+    boolean overwrite;
+}

src/main/java/com/epam/aidial/core/data/SharedByMeDto.java

@@ -18,4 +18,9 @@ public void addUserToResource(String url, String userLocation) {
         Set<String> users = resourceToUsers.computeIfAbsent(url, k -> new HashSet<>());
         users.add(userLocation);
     }
+
+    public void addUsersToResource(String url, Set<String> userLocations) {
+        Set<String> users = resourceToUsers.computeIfAbsent(url, k -> new HashSet<>());
+        users.addAll(userLocations);
+    }
 }

src/main/java/com/epam/aidial/core/service/InvitationService.java

@@ -150,6 +150,27 @@ public void cleanUpResourceLinks(String bucket, String location, Set<ResourceLin
         });
     }
 
+    public void moveResource(String bucket, String location, ResourceDescription source, ResourceDescription destination) {
+        ResourceDescription resource = ResourceDescription.fromDecoded(ResourceType.INVITATION, bucket, location, INVITATION_RESOURCE_FILENAME);
+        ResourceLink sourceLink = new ResourceLink(source.getUrl());
+        ResourceLink destinationLink = new ResourceLink(destination.getUrl());
+        resourceService.computeResource(resource, state -> {
+            InvitationsMap invitations = ProxyUtil.convertToObject(state, InvitationsMap.class);
+            if (invitations == null) {
+                return null;
+            }
+            Map<String, Invitation> invitationMap = invitations.getInvitations();
+            for (Invitation invitation : invitationMap.values()) {
+                Set<ResourceLink> invitationResourceLinks = invitation.getResources();
+                if (invitationResourceLinks.remove(sourceLink)) {
+                    invitationResourceLinks.add(destinationLink);
+                }
+            }
+
+            return ProxyUtil.convertToString(invitations);
+        });
+    }
+
     private void cleanUpExpiredInvitations(ResourceDescription resource, Collection<String> idsToEvict) {
         resourceService.computeResource(resource, state -> {
             InvitationsMap invitations = ProxyUtil.convertToObject(state, InvitationsMap.class);

src/main/java/com/epam/aidial/core/service/ResourceOperationService.java

@@ -0,0 +1,64 @@
+package com.epam.aidial.core.service;
+
+import com.epam.aidial.core.data.ResourceType;
+import com.epam.aidial.core.storage.BlobStorage;
+import com.epam.aidial.core.storage.ResourceDescription;
+import lombok.AllArgsConstructor;
+
+@AllArgsConstructor
+public class ResourceOperationService {
+
+    private final ResourceService resourceService;
+    private final BlobStorage storage;
+    private final InvitationService invitationService;
+    private final ShareService shareService;
+
+    public void moveResource(String bucket, String location, ResourceDescription source, ResourceDescription destination, boolean overwriteIfExists) {
+        if (source.isFolder() || destination.isFolder()) {
+            throw new IllegalArgumentException("Moving folders is not supported");
+        }
+
+        String sourceResourcePath = source.getAbsoluteFilePath();
+        String sourceResourceUrl = source.getUrl();
+        String destinationResourcePath = destination.getAbsoluteFilePath();
+        String destinationResourceUrl = destination.getUrl();
+
+        if (!hasResource(source)) {
+            throw new IllegalArgumentException("Source resource %s do not exists".formatted(sourceResourceUrl));
+        }
+
+        ResourceType resourceType = source.getType();
+        switch (resourceType) {
+            case FILE -> {
+                if (!overwriteIfExists && storage.exists(destinationResourcePath)) {
+                    throw new IllegalArgumentException("Can't move resource %s to %s, because destination resource already exists"
+                            .formatted(sourceResourceUrl, destinationResourceUrl));
+                }
+                storage.copy(sourceResourcePath, destinationResourcePath);
+                storage.delete(sourceResourcePath);
+            }
+            case CONVERSATION, PROMPT -> {
+                boolean copied = resourceService.copyResource(source, destination, overwriteIfExists);
+                if (!copied) {
+                    throw new IllegalArgumentException("Can't move resource %s to %s, because destination resource already exists"
+                            .formatted(sourceResourceUrl, destinationResourceUrl));
+                }
+                resourceService.deleteResource(source);
+            }
+            default -> throw new IllegalArgumentException("Unsupported resource type " + resourceType);
+        }
+        // move source links to destination if any
+        invitationService.moveResource(bucket, location, source, destination);
+        // move shared access if any
+        shareService.moveSharedAccess(bucket, location, source, destination);
+    }
+
+    private boolean hasResource(ResourceDescription resource) {
+        return switch (resource.getType()) {
+            case FILE -> storage.exists(resource.getAbsoluteFilePath());
+            case CONVERSATION, PROMPT -> resourceService.hasResource(resource);
+            default -> throw new IllegalArgumentException("Unsupported resource type " + resource.getType());
+        };
+    }
+
+}

src/main/java/com/epam/aidial/core/service/ResourceService.java

@@ -278,14 +278,18 @@ public boolean deleteResource(ResourceDescription descriptor) {
     }
 
     public boolean copyResource(ResourceDescription from, ResourceDescription to) {
+        return copyResource(from, to, true);
+    }
+
+    public boolean copyResource(ResourceDescription from, ResourceDescription to, boolean overwrite) {
         String body = getResource(from);
 
         if (body == null) {
             return false;
         }
 
-        putResource(to, body, true);
-        return true;
+        ResourceItemMetadata metadata = putResource(to, body, overwrite);
+        return metadata != null;
     }
 
     private Void sync() {

src/main/java/com/epam/aidial/core/service/ShareService.java

@@ -303,6 +303,48 @@ public void discardSharedAccess(String bucket, String location, ResourceLinkColl
         }
     }
 
+    public void copySharedAccess(String bucket, String location, ResourceDescription source, ResourceDescription destination) {
+        ResourceType sourceResourceType = source.getType();
+        ResourceDescription sharedByMeResource = getShareResource(ResourceType.SHARED_BY_ME, sourceResourceType, bucket, location);
+        SharedByMeDto sharedByMeDto = ProxyUtil.convertToObject(resourceService.getResource(sharedByMeResource), SharedByMeDto.class);
+        if (sharedByMeDto == null) {
+            return;
+        }
+
+        Set<String> userLocations = sharedByMeDto.getResourceToUsers().get(source.getUrl());
+
+        ResourceType destinationResourceType = destination.getType();
+        String destinationResourceLink = destination.getUrl();
+        // source and destination resource type might be different
+        sharedByMeResource = getShareResource(ResourceType.SHARED_BY_ME, destinationResourceType, bucket, location);
+
+        // copy user locations from source to destination
+        resourceService.computeResource(sharedByMeResource, state -> {
+            SharedByMeDto dto = ProxyUtil.convertToObject(state, SharedByMeDto.class);
+            if (dto == null) {
+                dto = new SharedByMeDto(new HashMap<>());
+            }
+
+            // add shared access to the destination resource
+            dto.addUsersToResource(destinationResourceLink, userLocations);
+
+            return ProxyUtil.convertToString(dto);
+        });
+
+        // add each user shared access to the destination resource
+        for (String userLocation : userLocations) {
+            String userBucket = encryptionService.encrypt(userLocation);
+            addSharedResource(userBucket, userLocation, destinationResourceLink, destinationResourceType);
+        }
+    }
+
+    public void moveSharedAccess(String bucket, String location, ResourceDescription source, ResourceDescription destination) {
+        // copy shared access from source to destination
+        copySharedAccess(bucket, location, source, destination);
+        // revoke shared access from source
+        revokeSharedAccess(bucket, location, new ResourceLinkCollection(Set.of(new ResourceLink(source.getUrl()))));
+    }
+
     private void removeSharedResource(String bucket, String location, String link, ResourceType resourceType) {
         ResourceDescription sharedByMeResource = getShareResource(ResourceType.SHARED_WITH_ME, resourceType, bucket, location);
         resourceService.computeResource(sharedByMeResource, state -> {
@@ -315,6 +357,18 @@ private void removeSharedResource(String bucket, String location, String link, R
         });
     }
 
+    private void addSharedResource(String bucket, String location, String link, ResourceType resourceType) {
+        ResourceDescription sharedByMeResource = getShareResource(ResourceType.SHARED_WITH_ME, resourceType, bucket, location);
+        resourceService.computeResource(sharedByMeResource, state -> {
+            ResourceLinkCollection sharedWithMe = ProxyUtil.convertToObject(state, ResourceLinkCollection.class);
+            if (sharedWithMe != null) {
+                sharedWithMe.getResources().add(new ResourceLink(link));
+            }
+
+            return ProxyUtil.convertToString(sharedWithMe);
+        });
+    }
+
     private List<MetadataBase> linksToMetadata(Stream<String> links) {
         return links
                 .map(link -> ResourceDescription.fromLink(link, encryptionService))