RetrieveAddress helper method

C969Project/Data/DatabaseHelper.cs

@@ -115,4 +115,43 @@ public static class DatabaseHelper
             throw;
         }
     }
+    
+    public static Address? RetrieveAddress(int addressId)
+    {
+        using MySqlConnection connection = new MySqlConnection(AppSettings.GetSetting("ConnectionStrings", "DefaultConnection"));
+        try
+        {
+            connection.Open();
+        }
+        catch (MySqlException e)
+        {
+            Console.WriteLine(e);
+            throw;
+        }
+        
+        string query = $"SELECT * FROM client_schedule.address WHERE addressId = {addressId}";
+        using MySqlCommand command = new MySqlCommand(query, connection);
+        using MySqlDataReader reader = command.ExecuteReader();
+        
+        while (reader.Read())
+        {
+            var addr = new Address()
+            {
+                Id = reader.GetInt32("addressId"),
+                Address1 = reader.GetString("address1"),
+                Address2 = reader.GetString("address2"),
+                CityId = reader.GetInt32("cityId"),
+                PostalCode = reader.GetString("postalCode"),
+                Phone = reader.GetString("phone"),
+                CreateDate = reader.GetDateTime("createDate"),
+                CreatedBy = reader.GetString("createdBy"),
+                LastUpdate = reader.GetDateTime("lastUpdate"),
+                LastUpdateBy = reader.GetString("lastUpdateBy"),
+            };
+            
+            return addr;
+        }
+        
+        return null;
+    }
 }