last prepare and Fixes on XWebinar Service ...

Providers/XWebinarProvider.cs

@@ -391,14 +391,14 @@ namespace xWebinarService.Providers
             // Title ...
             var titleAddedLocales = await TitleResourceProvider.AddOrUpdate(
                 resource: entity.Title,
-                locales: entityDto.Title.Locales
+                locales: item.Title.Locales
             );
 
             //
             // Description ...
             var descriptionAddedLocales = await DescriptionResourceProvider.AddOrUpdate(
                 resource: entity.Description,
-                locales: entityDto.Description.Locales
+                locales: item.Description.Locales
             );
 
             //
@@ -441,6 +441,19 @@ namespace xWebinarService.Providers
             return result;
         }
 
+        /// <summary>
+        /// Retrieve all Exists Webinar Ids ...
+        /// </summary>
+        /// <returns></returns>
+        public async Task<IEnumerable<Guid>> GetWebinarIds()
+        {
+            //
+            var result = await WebinarRepository.AsQueryable().SelectAsync(async l => l.Id);
+
+            //
+            return result;
+        }
+
         /// <summary>
         /// Query Webinars ...
         /// </summary>
@@ -518,6 +531,75 @@ namespace xWebinarService.Providers
             return result;
         }
 
+        /// <summary>
+        /// Query Webinar Ids ...
+        /// </summary>
+        /// <param name="query"></param>
+        /// <returns></returns>
+        public async Task<XQueryResult<Guid>> QueryWebinarIds(XQuery query)
+        {
+            //
+            // Validate ...
+            if (query.IsNull())
+            {
+                XException.InvalidArgs.Throw();
+            }
+
+            //
+            // Normalize ...
+            query = query.NormalizeQuery(DataSercviceConfiguration);
+
+            //
+            // Since in Resourceable Entities we have to Search on Locales
+            // we Must Implement Senario Custom ...
+            var items = await GetWebinarIds();
+            var totalItemsCount = items.Count();
+
+            //
+            // Apply Filter ...
+            if (!query.Filter.IsNullOrEmpty())
+            {
+                //
+                items = items
+                    .Where(i => i.ToString().ToNormalString().Contains(query.Filter));
+            }
+            int filteredItemsCount = items.Count();
+
+            //
+            // Count Pages ...
+            var totalPagesCount = query.CountPages(totalItemsCount);
+            var filteredPagesCount = query.CountPages(filteredItemsCount);
+
+            //
+            // Apply Paging and Sorting ...
+            if (totalItemsCount > 0 &&
+                filteredItemsCount > 0)
+            {
+                //
+                // Apply Paging ...
+                items = items.ApplyPaging(
+                    query.Page,
+                    query.PageSize
+                );
+            }
+
+            //
+            // Prepare Result ...
+            var result = new XQueryResult<Guid>
+            {
+                Items = items,
+                Page = query.Page,
+                PageSize = query.PageSize,
+                TotalPages = totalPagesCount,
+                TotalItems = totalItemsCount,
+                TotalFilteredPages = filteredPagesCount,
+                TotalFilteredItems = filteredItemsCount
+            };
+
+            //
+            return result;
+        }
+
         /// <summary>
         /// Remove Specified Webinar ...
         /// </summary>