Pastable version of Importing large collection of emails separated by comma.

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            <pre class="sunburst"><span style="color:#AEAEAE;font-style:italic;">  <span style="color:#AEAEAE;font-style:italic;">#</span> OPTIMIZE: I think we can do a LOT for optimize this.</span>
  <span style="color:#E28964;">def</span> <span style="color:#89BDFF;">create</span>
    added_counter <span style="color:#E28964;">=</span> <span style="color:#3387CC;">0</span>
    invalid_counter <span style="color:#E28964;">=</span> <span style="color:#3387CC;">0</span>
    params[<span style="color:#3387CC;"><span style="color:#3387CC;">:</span>recipients</span>].<span style="color:#89BDFF;">each_line</span> { |<span style="color:#3E87E3;">l</span>|
        entry <span style="color:#E28964;">=</span> l.<span style="color:#89BDFF;">split</span>(<span style="color:#65B042;"><span style="color:#65B042;">'</span>,<span style="color:#65B042;">'</span></span>)
        email <span style="color:#E28964;">=</span> entry[<span style="color:#3387CC;">0</span>]
        email.<span style="color:#89BDFF;">strip!</span> <span style="color:#E28964;">unless</span> email.<span style="color:#89BDFF;">nil?</span>
        full_name <span style="color:#E28964;">=</span> entry[<span style="color:#3387CC;">1</span>]
        full_name.<span style="color:#89BDFF;">strip!</span> <span style="color:#E28964;">unless</span> full_name.<span style="color:#89BDFF;">nil?</span>
        subscriber <span style="color:#E28964;">=</span> <span style="color:#9B859D;">Subscriber</span>.<span style="color:#89BDFF;">new</span> <span style="color:#3387CC;"><span style="color:#3387CC;">:</span>list_id</span> =&gt; <span style="color:#3E87E3;"><span style="color:#3E87E3;">@</span>list</span>.<span style="color:#89BDFF;">id</span>, <span style="color:#3387CC;"><span style="color:#3387CC;">:</span>full_name</span> =&gt; full_name, <span style="color:#3387CC;"><span style="color:#3387CC;">:</span>email</span> =&gt; email
        <span style="color:#E28964;">if</span> subscriber.<span style="color:#89BDFF;">valid?</span>
          subscriber.<span style="color:#89BDFF;">save</span>
          added_counter <span style="color:#E28964;">+=</span> <span style="color:#3387CC;">1</span>
        <span style="color:#E28964;">else</span>
          invalid_counter <span style="color:#E28964;">+=</span> <span style="color:#3387CC;">1</span>
        <span style="color:#E28964;">end</span>
      }
      flash[<span style="color:#3387CC;"><span style="color:#3387CC;">:</span>notice</span>] <span style="color:#E28964;">=</span> <span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>Added <span style="color:#DAEFA3;"><span style="color:#DAEFA3;">#{</span>added_counter<span style="color:#DAEFA3;">}</span></span> new subscribers, and a <span style="color:#DAEFA3;"><span style="color:#DAEFA3;">#{</span>invalid_counter<span style="color:#DAEFA3;">}</span></span> records has been skipped or invalid.<span style="color:#65B042;">&quot;</span></span>
      <span style="color:#89BDFF;">redirect_to</span>(<span style="color:#89BDFF;">list_path</span>(<span style="color:#3E87E3;"><span style="color:#3E87E3;">@</span>list</span>))
  <span style="color:#E28964;">end</span>
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