feat: try to introduce OpenAI v1 endpoint

interweb-server/src/main/java/de/l3s/interweb/server/features/chat/ChatMessage.java

@@ -5,10 +5,6 @@
 import java.util.Objects;
 import java.util.UUID;
 
-import com.fasterxml.jackson.core.type.TypeReference;
-
-import de.l3s.interweb.core.util.JsonUtils;
-
 import jakarta.persistence.*;
 import jakarta.validation.constraints.NotNull;
 
@@ -17,9 +13,11 @@
 import org.hibernate.annotations.CreationTimestamp;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.core.type.TypeReference;
 
 import de.l3s.interweb.core.chat.Message;
 import de.l3s.interweb.core.chat.Role;
+import de.l3s.interweb.core.util.JsonUtils;
 
 @Entity
 @Cacheable

interweb-server/src/main/java/de/l3s/interweb/server/features/chat/ChatsResource.java

@@ -28,7 +28,7 @@ public class ChatsResource {
     SecurityIdentity securityIdentity;
 
     @GET
-    public Uni<List<Chat>> chats(
+    public Uni<List<Chat>> list(
         @QueryParam("user") String user,
         @QueryParam("sort") @DefaultValue("-created") String order,
         @QueryParam("page") @DefaultValue("1") Integer page,
@@ -41,7 +41,7 @@ public Uni<List<Chat>> chats(
 
     @GET
     @Path("{uuid}")
-    public Uni<Conversation> chat(@PathParam("uuid") UUID id) {
+    public Uni<Conversation> get(@PathParam("uuid") UUID id) {
         ApiKey apikey = securityIdentity.getCredential(ApiKey.class);
 
         return Chat.findById(apikey, id).call(chat -> Mutiny.fetch(chat.getMessages())).map(chat -> {

interweb-server/src/main/java/de/l3s/interweb/server/features/openai/OpenaiV1Resource.java

@@ -0,0 +1,78 @@
+package de.l3s.interweb.server.features.openai;
+
+import de.l3s.interweb.core.ObjectWrapper;
+import de.l3s.interweb.core.chat.CompletionsQuery;
+import de.l3s.interweb.core.chat.CompletionsResults;
+import de.l3s.interweb.core.models.Model;
+import de.l3s.interweb.server.Roles;
+import de.l3s.interweb.server.features.api.ApiChatRequest;
+import de.l3s.interweb.server.features.api.ApiKey;
+import de.l3s.interweb.server.features.chat.ChatService;
+import de.l3s.interweb.server.features.models.ModelsService;
+import io.quarkus.security.identity.SecurityIdentity;
+import io.smallrye.mutiny.Uni;
+import io.vertx.core.eventbus.EventBus;
+import jakarta.annotation.security.RolesAllowed;
+import jakarta.inject.Inject;
+import jakarta.validation.Valid;
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.POST;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.PathParam;
+import jakarta.ws.rs.core.Context;
+import org.eclipse.microprofile.openapi.annotations.tags.Tag;
+
+import java.util.List;
+
+@Tag(name = "OpenAI Compatible API v1")
+@Path("/v1")
+@RolesAllowed({Roles.APPLICATION})
+public class OpenaiV1Resource {
+
+    @Inject
+    EventBus bus;
+
+    @Inject
+    ChatService chatService;
+
+    @Context
+    SecurityIdentity securityIdentity;
+
+    @Inject
+    ModelsService modelsService;
+
+    @POST
+    @Path("/completions")
+    public Uni<CompletionsResults> completions() {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+
+    @POST
+    @Path("/chat/completions")
+    public Uni<CompletionsResults> chatCompletions(@Valid CompletionsQuery query) {
+        ApiKey apikey = securityIdentity.getCredential(ApiKey.class);
+        return chatService.completions(query).chain(results -> {
+            results.setChatId(null); // reset chatId if it was set
+            bus.send("api-request-chat", ApiChatRequest.of(results, apikey));
+            return Uni.createFrom().item(results);
+        });
+    }
+
+    @GET
+    @Path("/models")
+    public Uni<ObjectWrapper<List<Model>>> models() {
+        return modelsService.getModels().map(models -> new ObjectWrapper<>("list", models));
+    }
+
+    @GET
+    @Path("/models/{model}")
+    public Uni<Model> chat(@PathParam("model") String model) {
+        return modelsService.getModel(model);
+    }
+
+    @POST
+    @Path("/embeddings")
+    public Uni<CompletionsResults> embeddings() {
+        throw new UnsupportedOperationException("Not implemented yet");
+    }
+}