Pastable version of Simple model methods to return value or 0

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            <pre class="sunburst"><span style="color:#E28964;">def</span> <span style="color:#89BDFF;">self.get_budgeted_hours</span>(<span style="color:#3E87E3;">charge<span style="color:#3E87E3;">,</span> rollup</span>)
  <span style="color:#3E87E3;"><span style="color:#3E87E3;">@</span>value</span> <span style="color:#E28964;">=</span> <span style="color:#89BDFF;">find</span>(<span style="color:#3387CC;"><span style="color:#3387CC;">:</span>first</span>, <span style="color:#3387CC;"><span style="color:#3387CC;">:</span>conditions</span> =&gt; [<span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>charge_id = ? AND rollup_id = ?<span style="color:#65B042;">&quot;</span></span>, charge, rollup])
  <span style="color:#3E87E3;"><span style="color:#3E87E3;">@</span>value</span> <span style="color:#E28964;">?</span> <span style="color:#3E87E3;"><span style="color:#3E87E3;">@</span>value</span>.<span style="color:#89BDFF;">budgeted_hours</span> : <span style="color:#3387CC;">0</span>.<span style="color:#89BDFF;">to_s</span>
<span style="color:#E28964;">end</span>
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