Adam Wathan

Technika

34: Matt Machuga - Dealing with Dependencies in Active Record Models

Full Stack Radio

A podcast for developers interested in building great software products. Every episode, Adam Wathan is joined by a guest to talk about everything from product design and user experience to unit testing and system administration.

Topics include:<ul>
<li>Are facades and service location automatically bad?</li>
<li>Are NounVerber classes anti-OO?</li>
<li>Adding a layer of composition to create domain models with dependencies</li>
<li>Using method injection for a temporary dependency</li>
<li>Using optional parameters to improve testability</li>
</ul>Code snippets:<ul>
<li>Option 1: <a href="https://gist.github.com/adamwathan/c28a1106263ab97ca4e0">Facades/Service Location/Global Access</a>
</li>
<li>Option 2: <a href="https://gist.github.com/adamwathan/feaa708369450376b404">Moving the responsibility to a new class</a>
</li>
<li>Option 3: <a href="https://gist.github.com/adamwathan/2ccbc0f6fe3f3b31ed3d">Composing a new domain model</a>
</li>
<li>Option 4a: <a href="https://gist.github.com/adamwathan/09e41497dbd263caaf6c">Inject the dependency into the method</a>
</li>
<li>Option 4b: <a href="https://gist.github.com/adamwathan/5103581df3a5507b8ac2">Optional method injection w/global fallback</a>
</li>
</ul>Links:<ul>
<li><a href="http://matthewmachuga.com/">Matt's blog</a></li>
<li>
<a href="http://jupitermoonbeam.blogspot.ca/2008/09/agent-nouns-are-code-smells.html">"Agent nouns are code smells"</a> by Peter Gillard-Moss</li>
<li>
<a href="https://nitpick-ci.com">Nitpick CI</a>, Adam's PSR-2 style checking service</li>
<li>
<a href="http://david.heinemeierhansson.com/2012/dependency-injection-is-not-a-virtue.html">"Dependency injection is not a virtue"</a> by DHH</li>
<li>
<a href="http://eriedayofcode.com/">Erie Day of Code</a>, Matt's conference</li>
<li>Sponsored by <a href="https://laracasts.com">Laracasts</a>
</li>
</ul>

Topics include:<ul><li>Are facades and service location automatically bad?</li><li>Are NounVerber classes anti-OO?</li><li>Adding a layer of composition to create domain models with dependencies</li><li>Using method injection for a temporary dependency</li><li>Using optional parameters to improve testability</li></ul>Code snippets:<ul><li>Option 1: <a href="https://gist.github.com/adamwathan/c28a1106263ab97ca4e0">Facades/Service Location/Global Access</a></li><li>Option 2: <a href="https://gist.github.com/adamwathan/feaa708369450376b404">Moving the responsibility to a new class</a></li><li>Option 3: <a href="https://gist.github.com/adamwathan/2ccbc0f6fe3f3b31ed3d">Composing a new domain model</a></li><li>Option 4a: <a href="https://gist.github.com/adamwathan/09e41497dbd263caaf6c">Inject the dependency into the method</a></li><li>Option 4b: <a href="https://gist.github.com/adamwathan/5103581df3a5507b8ac2">Optional method injection w/global fallback</a></li></ul>Links:<ul><li><a href="http://matthewmachuga.com/">Matt's blog</a></li><li><a href="http://jupitermoonbeam.blogspot.ca/2008/09/agent-nouns-are-code-smells.html">"Agent nouns are code smells"</a> by Peter Gillard-Moss</li><li><a href="https://nitpick-ci.com">Nitpick CI</a>, Adam's PSR-2 style checking service</li><li><a href="http://david.heinemeierhansson.com/2012/dependency-injection-is-not-a-virtue.html">"Dependency injection is not a virtue"</a> by DHH</li><li><a href="http://eriedayofcode.com/">Erie Day of Code</a>, Matt's conference</li><li>Sponsored by <a href="https://laracasts.com">Laracasts</a></li></ul>

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34: Matt Machuga - Dealing with Dependencies in Active Record Models

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