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POhow to get symbol from money gem
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  1. POhow to get symbol from money gem
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    copied!<p>I am using money gem to represent money fields in my Product model. Here's my code:</p> <p><strong>Product model:</strong></p> <pre><code> composed_of :price, :class_name =&gt; "Money", :mapping =&gt; [%w(price cents), %w(currency currency_as_string)], :constructor =&gt; Proc.new { |cents, currency| Money.new(cents || 0, currency || Money.default_currency) }, :converter =&gt; Proc.new { |value| value.respond_to?(:to_money) ? value.to_money : raise(ArgumentError, "Can't convert #{value.class} to Money") } </code></pre> <ul> <li>I have fields like currency as string and price as string in my model.</li> </ul> <p>I my <strong>form view</strong>:</p> <pre><code> &lt;li&gt; &lt;%= f.select(:currency,all_currencies(Money::Currency::TABLE), {:include_blank =&gt; 'Select a Currency'}, :class =&gt; "styled" )%&gt; &lt;/li&gt; </code></pre> <p>In my <strong>Products helper</strong></p> <pre><code>def all_currencies(hash) hash.inject([]) do |array, (id, attributes)| array ||= [] array &lt;&lt; [attributes[:name], attributes[:iso_code]] array end end </code></pre> <ul> <li>When I try to print product.currency in my view, I get the correct currency.For example for indian rupees, I get INR.But I dont know how to get symbol out of it.</li> <li>I tried using product.symbol as well as product.currency.symbol but I get "undefined method symbol"</li> </ul> <p>Any help is deeply appreciated.</p> <p>=====Solution:====</p> <p>Inside my helper method,I needed to get [:symbol] attribute in the array..</p> <pre><code>def all_currencies(hash) hash.inject([]) do |array, (id, attributes)| array ||= [] array &lt;&lt; [attributes[:name], attributes[:iso_code],attributes[:symbol]] array end end </code></pre>
 

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