From a4dee3b5a4d7026f2d7358586441308f434e6f49 Mon Sep 17 00:00:00 2001
From: Hadi Khazaee Asl <hadi_khazaee_asl@yahoo.com>
Date: Sun, 27 Sep 2026 22:00:56 +0330
Subject: [PATCH] last ...

---
 Extensions/XAiModelsExtensions.cs | 163 ++++++++++++++++++++++++++++++
 Providers/XAiDataProvider.cs      |   9 +-
 2 files changed, 164 insertions(+), 8 deletions(-)

diff --git a/Extensions/XAiModelsExtensions.cs b/Extensions/XAiModelsExtensions.cs
index 70d87f3..2d19367 100644
--- a/Extensions/XAiModelsExtensions.cs
+++ b/Extensions/XAiModelsExtensions.cs
@@ -1,8 +1,12 @@
+using System;
 using System.Linq;
 using xAiModels.Models;
 using xCommons.Extensions;
+using xAiModels.Constants;
 using xAiModels.Models.Dtos;
+using xExceptions.Constants;
 using xAiModels.Models.Entities;
+using System.Collections.Generic;
 
 namespace xAiModels.Extensions
 {
@@ -172,5 +176,164 @@ namespace xAiModels.Extensions
             //
             return result;
         }
+
+        /// <summary>
+        /// Check a Collection Contains Default Project for Specified Owner or not ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <param name="ownerId"></param>
+        /// <returns></returns>
+        public static bool HasDefaultProject(
+            this IEnumerable<XAiProjectDto> source,
+            string ownerId
+        )
+        {
+            //
+            // Validate Args ...
+            if (source.HasChild() ||
+                ownerId.IsNullOrEmpty())
+            {
+                XException.InvalidArgs.Throw();
+            }
+
+            //
+            var item = source
+                .FirstOrDefault(x =>
+                    x.Title
+                        .ToNormalString()
+                        .Contains(ownerId.ToNormalString()) &&
+                    x.Title
+                        .ToNormalString()
+                        .Contains(XAiModelsConstants.DefaultXAiProjectDescriptionResourceID)
+            );
+
+            //
+            var result = !item.IsNullOrDefault();
+
+            //
+            return result;            
+        }
+
+        /// <summary>
+        /// Check a Collection Contains Default Conversation for Specified Project or not ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <param name="ownerId"></param>
+        /// <param name="projectId"></param>
+        /// <returns></returns>
+        public static bool HasDefaultConversation(
+            this IEnumerable<XAiConversationDto> source,
+            string ownerId,
+            Guid projectId
+        )
+        {
+            //
+            // Validate Args ...
+            if (source.HasChild() ||
+                projectId.IsDefaultGuid())
+            {
+                XException.InvalidArgs.Throw();
+            }
+
+            //
+            var item = source
+                .FirstOrDefault(x =>
+                    x.Title
+                        .ToNormalString()
+                        .Contains(ownerId.ToNormalString()) &&
+                    x.Title
+                        .ToNormalString()
+                        .Contains(projectId.ToString().ToNormalString()) &&
+                    x.Title
+                        .ToNormalString()
+                        .Contains(XAiModelsConstants.DefaultXAiConversationTitleResourceID)
+            );
+
+            //
+            var result = !item.IsNullOrDefault();
+
+            //
+            return result;            
+        }
+
+        /// <summary>
+        /// Retrieve Default Project Id from a Collection ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <param name="ownerId"></param>
+        /// <returns></returns>
+        public static Guid GetDafualtProject(
+            this IEnumerable<XAiProjectDto> source,
+            string ownerId
+        )
+        {
+            //
+            // Validate Args ...
+            if (source.HasChild() ||
+                ownerId.IsNullOrEmpty())
+            {
+                XException.InvalidArgs.Throw();
+            }
+
+            //
+            var item = source
+                .FirstOrDefault(x =>
+                    x.Title
+                        .ToNormalString()
+                        .Contains(ownerId.ToNormalString()) &&
+                    x.Title
+                        .ToNormalString()
+                        .Contains(XAiModelsConstants.DefaultXAiProjectDescriptionResourceID)
+            );
+            if (item.IsNullOrDefault())
+            {
+                XException.NotFound.Throw();
+            }
+
+            //
+            return item.Id;
+        }
+    
+        /// <summary>
+        /// Get Default Conversation Id from a Collection Contains ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <param name="ownerId"></param>
+        /// <param name="projectId"></param>
+        /// <returns></returns>
+        public static Guid GetDefaultConversation(
+            this IEnumerable<XAiConversationDto> source,
+            string ownerId,
+            Guid projectId
+        )
+        {
+            //
+            // Validate Args ...
+            if (source.HasChild() ||
+                projectId.IsDefaultGuid())
+            {
+                XException.InvalidArgs.Throw();
+            }
+
+            //
+            var item = source
+                .FirstOrDefault(x =>
+                    x.Title
+                        .ToNormalString()
+                        .Contains(ownerId.ToNormalString()) &&
+                    x.Title
+                        .ToNormalString()
+                        .Contains(projectId.ToString().ToNormalString()) &&
+                    x.Title
+                        .ToNormalString()
+                        .Contains(XAiModelsConstants.DefaultXAiConversationTitleResourceID)
+            );
+
+            //
+            var result = item.Id;
+
+            //
+            return result;            
+        }    
     }
 }
\ No newline at end of file
diff --git a/Providers/XAiDataProvider.cs b/Providers/XAiDataProvider.cs
index b7acca7..637208a 100644
--- a/Providers/XAiDataProvider.cs
+++ b/Providers/XAiDataProvider.cs
@@ -104,11 +104,9 @@ namespace xAiModels.Providers
             var result = await projectRepositoryService.FindManyAsync(
                 includeBuilder: null,
                 ignoreSoftDeleteds: true,
-                // fillConversations: fillConversations,
                 predicate: x => x.OwnerId == ownerId,
                 cancellationToken: cancellationToken,
                 orderBuilder: x => x.OrderBy(y => y.CreatedOn)
-                // fillConversationMessages: fillConversationMessages
             );
 
             //
@@ -142,7 +140,6 @@ namespace xAiModels.Providers
             var result = await conversationRepositoryService.FindManyAsync(
                 includeBuilder: null,
                 ignoreSoftDeleteds: false,
-                // fillMessages: fillMessages,
                 cancellationToken: cancellationToken,
                 predicate: x => x.ProjectId == projectId,
                 orderBuilder: x => x.OrderBy(y => y.CreatedOn)
@@ -727,8 +724,6 @@ namespace xAiModels.Providers
                     id: project.Id,
                     includeBuilder: null,
                     ignoreSoftDeleteds: true,
-                    // fillConversations: false,
-                    // fillConversationMessages: false,
                     cancellationToken: cancellationToken
                 );
             }
@@ -744,7 +739,7 @@ namespace xAiModels.Providers
                 predicate: x =>
                     x.ResourceTitle
                         .ToNormalString()
-                        .Contains(ownerId.ToNormalString()) &&
+                        .Contains(projectId.ToString().ToNormalString()) &&
                     x.ResourceTitle
                         .ToNormalString()
                         .Contains(XAiModelsConstants.XAiConversationTitleIdentifier
@@ -819,8 +814,6 @@ namespace xAiModels.Providers
                     id: project.Id,
                     includeBuilder: null,
                     ignoreSoftDeleteds: true,
-                    // fillConversations: false,
-                    // fillConversationMessages: false,
                     cancellationToken: cancellationToken
                 );
             }