Update example according to new AI Assistant reuse API

CS/Program.cs

@@ -51,7 +51,10 @@
     new AzureKeyCredential(EnvSettings.AzureOpenAIKey));
 var chatClient = azureOpenAIClient.GetChatClient(EnvSettings.DeploymentName).AsIChatClient();
 
+var assistantCreator = new AIAssistantCreator(azureOpenAIClient, EnvSettings.DeploymentName); 
+
 builder.Services.AddSingleton(chatClient);
+builder.Services.AddSingleton(assistantCreator);
 builder.Services.AddSingleton<IAIAssistantProvider, AIAssistantProvider>();
 builder.Services.AddDevExpressAI(config =>
 {

CS/Services/AIAssistantCreator.cs

@@ -0,0 +1,53 @@
+using System;
+using System.ClientModel;
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+using OpenAI;
+using OpenAI.Assistants;
+using OpenAI.Files;
+
+namespace DashboardAIAssistant.Services {
+#pragma warning disable OPENAI001
+    public class AIAssistantCreator {
+        readonly AssistantClient assistantClient;
+        readonly OpenAIFileClient fileClient;
+        readonly string deployment;
+
+        public AIAssistantCreator(OpenAIClient client, string deployment) {
+            assistantClient = client.GetAssistantClient();
+            fileClient = client.GetOpenAIFileClient();
+            this.deployment = deployment;
+        }
+
+        public async Task<(string assistantId, string threadId)> CreateAssistantAsync(Stream data, string fileName, string instructions, bool useFileSearchTool = true, CancellationToken ct = default) {
+            data.Position = 0;
+
+            ClientResult<OpenAIFile> fileResponse = await fileClient.UploadFileAsync(data, fileName, FileUploadPurpose.Assistants, ct);
+            OpenAIFile file = fileResponse.Value;
+
+            var resources = new ToolResources() {
+                CodeInterpreter = new CodeInterpreterToolResources(),
+                FileSearch = useFileSearchTool ? new FileSearchToolResources() : null
+            };
+            resources.FileSearch?.NewVectorStores.Add(new VectorStoreCreationHelper([file.Id]));
+            resources.CodeInterpreter.FileIds.Add(file.Id);
+
+            AssistantCreationOptions assistantCreationOptions = new AssistantCreationOptions() {
+                Name = Guid.NewGuid().ToString(),
+                Instructions = instructions,
+                ToolResources = resources
+            };
+            assistantCreationOptions.Tools.Add(new CodeInterpreterToolDefinition());
+            if (useFileSearchTool) {
+                assistantCreationOptions.Tools.Add(new FileSearchToolDefinition());
+            }
+
+            ClientResult<Assistant> assistantResponse = await assistantClient.CreateAssistantAsync(deployment, assistantCreationOptions, ct);
+            ClientResult<AssistantThread> threadResponse = await assistantClient.CreateThreadAsync(cancellationToken: ct);
+
+            return (assistantResponse.Value.Id, threadResponse.Value.Id);
+        }
+    }
+#pragma warning restore OPENAI001
+}

CS/Services/AIAssistantProvider.cs

@@ -1,53 +1,52 @@
-using DevExpress.AIIntegration.OpenAI.Services;
-using DevExpress.AIIntegration.Services.Assistant;
-using DevExpress.Utils;
-using System;
+using System;
 using System.Collections.Concurrent;
 using System.IO;
 using System.Threading.Tasks;
+using DevExpress.AIIntegration.Services.Assistant;
+using DevExpress.Utils;
 
 namespace DashboardAIAssistant.Services {
     public class AIAssistantProvider : IAIAssistantProvider {
         private readonly IAIAssistantFactory assistantFactory;
+        private readonly AIAssistantCreator assistantCreator;
         private ConcurrentDictionary<string, IAIAssistant> Assistants { get; set; } = new();
 
-        public AIAssistantProvider(IAIAssistantFactory assistantFactory) {
+        public AIAssistantProvider(IAIAssistantFactory assistantFactory, AIAssistantCreator assistantCreator) {
             this.assistantFactory = assistantFactory;
+            this.assistantCreator = assistantCreator;
         }
 
         public async Task<string> CreateAssistant(Stream fileContent, string prompt) {
             Guard.ArgumentNotNull(fileContent, nameof(fileContent));
             Guard.ArgumentIsNotNullOrEmpty(prompt, nameof(prompt));
-
-            string assistantId = Guid.NewGuid().ToString();
 
-            IAIAssistant assistant = await assistantFactory.CreateAssistant(assistantId);
-            Assistants.TryAdd(assistantId, assistant);
+            string assistantName = Guid.NewGuid().ToString();
+            (string assistantId, string threadId) = await assistantCreator.CreateAssistantAsync(fileContent, $"{assistantName}.xlsx", prompt, false);
+
+            IAIAssistant assistant = await assistantFactory.GetAssistant(assistantId, threadId);
+            await assistant.InitializeAsync();
 
-            await assistant.InitializeAsync(new OpenAIAssistantOptions($"{assistantId}.xlsx", fileContent) {
-                Instructions = prompt,
-                UseFileSearchTool = false,
-            });
+            Assistants.TryAdd(assistantName, assistant);
 
-            return assistantId;
+            return assistantName;
         }
 
-        public IAIAssistant GetAssistant(string assistantId) {
-            Guard.ArgumentIsNotNullOrEmpty(assistantId, nameof(assistantId));
+        public IAIAssistant GetAssistant(string assistantName) {
+            Guard.ArgumentIsNotNullOrEmpty(assistantName, nameof(assistantName));
 
             IAIAssistant assistant = null;
 
-            if(!Assistants.TryGetValue(assistantId, out assistant)) {
-                throw new ArgumentException($"Incorrect assistant id: {assistantId}");
+            if(!Assistants.TryGetValue(assistantName, out assistant)) {
+                throw new ArgumentException($"Incorrect assistant id: {assistantName}");
             }
 
             return assistant;
         }
 
-        public void DisposeAssistant(string assistantId) {
-            Guard.ArgumentIsNotNullOrEmpty(assistantId, nameof(assistantId));
+        public void DisposeAssistant(string assistantName) {
+            Guard.ArgumentIsNotNullOrEmpty(assistantName, nameof(assistantName));
 
-            if(Assistants.TryRemove(assistantId, out IAIAssistant assistant)) {
+            if(Assistants.TryRemove(assistantName, out IAIAssistant assistant)) {
                 assistant.Dispose();
             }
         }

README.md

@@ -1,5 +1,4 @@
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