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Kevin Rich

Using Dependency Injection for Implementation Enumeration

...There is probably a better name for this

Scenario

I'm building a system that will look at a lot of transaction data and determine if each transaction qualifies for one of many criteria. At a high level, I'm asking "Does this transaction qualify for any or all of sales criteria A, B, C,...,N?"

This entry will examine a poor approach without dependency injection, . . .

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February 08, 2016

SMTP Service

...but why?

I've recently started adding the following interface to most of my web applications in which a requirement is to send automated email notifications.

using System.Net.Mail; namespace MyApp.Core.Service { public interface ISmtpService { void Send(MailMessage message); } } 

And the code implementation is very basic:

using System.Net.Mail;  . . .

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January 31, 2016

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