BROKERS: Delete Book

Author: DilmurodDeveloper

LibraryManagement.Api/Brokers/Storages/IStorageBroker.Book.cs

@@ -13,5 +13,6 @@ public partial interface IStorageBroker
         IQueryable<Book> SelectAllBooks();
         ValueTask<Book> SelectBookByIdAsync(Guid bookId);
         ValueTask<Book> UpdateBookAsync(Book book);
+        ValueTask<Book> DeleteBookAsync(Book book);
     }
 }

LibraryManagement.Api/Brokers/Storages/StorageBroker.Book.cs

@@ -33,5 +33,8 @@ public async ValueTask<Book> SelectBookByIdAsync(Guid bookId)
 
         public async ValueTask<Book> UpdateBookAsync(Book book) =>
             await UpdateAsync(book);
+
+        public async ValueTask<Book> DeleteBookAsync(Book book) =>
+            await DeleteAsync(book);
     }
 }

LibraryManagement.Api/Brokers/Storages/StorageBroker.cs

@@ -43,6 +43,15 @@ public async ValueTask<T> UpdateAsync<T>(T @object)
             return @object;
         }
 
+        public async ValueTask<T> DeleteAsync<T>(T @object)
+        {
+            var broker = new StorageBroker(configuration);
+            broker.Entry(@object).State = EntityState.Deleted;
+            await broker.SaveChangesAsync();
+
+            return @object;
+        }
+
         protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
         {
             string connectionString =