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2012-12-30 07:43:00 -05:00
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<head>
<title>FileSizeValidator</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<div class="banner">
<h1>
<span class="type">Class</span>
FileSizeValidator
<span class="parent">&lt;
ActiveModel::EachValidator
</span>
</h1>
<ul class="files">
<li><a href="../files/lib/file_size_validator_rb.html">lib/file_size_validator.rb</a></li>
</ul>
</div>
<div id="bodyContent">
<div id="content">
<!-- Namespace -->
<div class="sectiontitle">Namespace</div>
<ul>
<li>
<span class="type">CLASS</span>
<a href="FileSizeValidator/Helper.html">FileSizeValidator::Helper</a>
</li>
</ul>
<!-- Method ref -->
<div class="sectiontitle">Methods</div>
<dl class="methods">
<dt>C</dt>
<dd>
<ul>
<li>
<a href="#method-i-check_validity-21">check_validity!</a>
</li>
</ul>
</dd>
<dt>H</dt>
<dd>
<ul>
<li>
<a href="#method-i-help">help</a>
</li>
</ul>
</dd>
<dt>N</dt>
<dd>
<ul>
<li>
<a href="#method-c-new">new</a>
</li>
</ul>
</dd>
<dt>V</dt>
<dd>
<ul>
<li>
<a href="#method-i-validate_each">validate_each</a>
</li>
</ul>
</dd>
</dl>
<!-- Section constants -->
<div class="sectiontitle">Constants</div>
<table border='0' cellpadding='5'>
<tr valign='top'>
<td class="attr-name">MESSAGES</td>
<td>=</td>
<td class="attr-value">{ is: :wrong_size, minimum: :size_too_small, maximum: :size_too_big }.freeze</td>
</tr>
<tr valign='top'>
<td>&nbsp;</td>
<td colspan="2" class="attr-desc"></td>
</tr>
<tr valign='top'>
<td class="attr-name">CHECKS</td>
<td>=</td>
<td class="attr-value">{ is: :==, minimum: :&gt;=, maximum: :&lt;= }.freeze</td>
</tr>
<tr valign='top'>
<td>&nbsp;</td>
<td colspan="2" class="attr-desc"></td>
</tr>
<tr valign='top'>
<td class="attr-name">DEFAULT_TOKENIZER</td>
<td>=</td>
<td class="attr-value">lambda { |value| value.split(//) }</td>
</tr>
<tr valign='top'>
<td>&nbsp;</td>
<td colspan="2" class="attr-desc"></td>
</tr>
<tr valign='top'>
<td class="attr-name">RESERVED_OPTIONS</td>
<td>=</td>
<td class="attr-value">[:minimum, :maximum, :within, :is, :tokenizer, :too_short, :too_long]</td>
</tr>
<tr valign='top'>
<td>&nbsp;</td>
<td colspan="2" class="attr-desc"></td>
</tr>
</table>
<!-- Methods -->
<div class="sectiontitle">Class Public methods</div>
<div class="method">
<div class="title method-title" id="method-c-new">
<b>new</b>(options)
<a href="../classes/FileSizeValidator.html#method-c-new" name="method-c-new" class="permalink">Link</a>
</div>
<div class="description">
</div>
<div class="sourcecode">
<p class="source-link">
Source:
<a href="javascript:toggleSource('method-c-new_source')" id="l_method-c-new_source">show</a>
</p>
<div id="method-c-new_source" class="dyn-source">
<pre><span class="ruby-comment"># File lib/file_size_validator.rb, line 8</span>
<span class="ruby-keyword">def</span> <span class="ruby-keyword ruby-title">initialize</span>(<span class="ruby-identifier">options</span>)
<span class="ruby-keyword">if</span> <span class="ruby-identifier">range</span> = (<span class="ruby-identifier">options</span>.<span class="ruby-identifier">delete</span>(<span class="ruby-value">:in</span>) <span class="ruby-operator">||</span> <span class="ruby-identifier">options</span>.<span class="ruby-identifier">delete</span>(<span class="ruby-value">:within</span>))
<span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-string">&quot;:in and :within must be a Range&quot;</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">range</span>.<span class="ruby-identifier">is_a?</span>(<span class="ruby-constant">Range</span>)
<span class="ruby-identifier">options</span>[<span class="ruby-value">:minimum</span>], <span class="ruby-identifier">options</span>[<span class="ruby-value">:maximum</span>] = <span class="ruby-identifier">range</span>.<span class="ruby-identifier">begin</span>, <span class="ruby-identifier">range</span>.<span class="ruby-identifier">end</span>
<span class="ruby-identifier">options</span>[<span class="ruby-value">:maximum</span>] <span class="ruby-operator">-=</span> <span class="ruby-number">1</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">range</span>.<span class="ruby-identifier">exclude_end?</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">super</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div class="sectiontitle">Instance Public methods</div>
<div class="method">
<div class="title method-title" id="method-i-check_validity-21">
<b>check_validity!</b>()
<a href="../classes/FileSizeValidator.html#method-i-check_validity-21" name="method-i-check_validity-21" class="permalink">Link</a>
</div>
<div class="description">
</div>
<div class="sourcecode">
<p class="source-link">
Source:
<a href="javascript:toggleSource('method-i-check_validity-21_source')" id="l_method-i-check_validity-21_source">show</a>
</p>
<div id="method-i-check_validity-21_source" class="dyn-source">
<pre><span class="ruby-comment"># File lib/file_size_validator.rb, line 18</span>
<span class="ruby-keyword">def</span> <span class="ruby-keyword ruby-title">check_validity!</span>
<span class="ruby-identifier">keys</span> = <span class="ruby-constant">CHECKS</span>.<span class="ruby-identifier">keys</span> &amp; <span class="ruby-identifier">options</span>.<span class="ruby-identifier">keys</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">keys</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-string">'Range unspecified. Specify the :within, :maximum, :minimum, or :is option.'</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">keys</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">key</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">value</span> = <span class="ruby-identifier">options</span>[<span class="ruby-identifier">key</span>]
<span class="ruby-keyword">unless</span> <span class="ruby-identifier">value</span>.<span class="ruby-identifier">is_a?</span>(<span class="ruby-constant">Integer</span>) <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-identifier">value</span> <span class="ruby-operator">&gt;=</span> <span class="ruby-number">0</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-node">&quot;:#{key} must be a nonnegative Integer&quot;</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div class="method">
<div class="title method-title" id="method-i-help">
<b>help</b>()
<a href="../classes/FileSizeValidator.html#method-i-help" name="method-i-help" class="permalink">Link</a>
</div>
<div class="description">
</div>
<div class="sourcecode">
<p class="source-link">
Source:
<a href="javascript:toggleSource('method-i-help_source')" id="l_method-i-help_source">show</a>
</p>
<div id="method-i-help_source" class="dyn-source">
<pre><span class="ruby-comment"># File lib/file_size_validator.rb, line 57</span>
<span class="ruby-keyword">def</span> <span class="ruby-keyword ruby-title">help</span>
<span class="ruby-constant">Helper</span>.<span class="ruby-identifier">instance</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div class="method">
<div class="title method-title" id="method-i-validate_each">
<b>validate_each</b>(record, attribute, value)
<a href="../classes/FileSizeValidator.html#method-i-validate_each" name="method-i-validate_each" class="permalink">Link</a>
</div>
<div class="description">
</div>
<div class="sourcecode">
<p class="source-link">
Source:
<a href="javascript:toggleSource('method-i-validate_each_source')" id="l_method-i-validate_each_source">show</a>
</p>
<div id="method-i-validate_each_source" class="dyn-source">
<pre><span class="ruby-comment"># File lib/file_size_validator.rb, line 34</span>
<span class="ruby-keyword">def</span> <span class="ruby-keyword ruby-title">validate_each</span>(<span class="ruby-identifier">record</span>, <span class="ruby-identifier">attribute</span>, <span class="ruby-identifier">value</span>)
<span class="ruby-identifier">raise</span>(<span class="ruby-constant">ArgumentError</span>, <span class="ruby-string">&quot;A CarrierWave::Uploader::Base object was expected&quot;</span>) <span class="ruby-keyword">unless</span> <span class="ruby-identifier">value</span>.<span class="ruby-identifier">kind_of?</span> <span class="ruby-constant">CarrierWave</span><span class="ruby-operator">::</span><span class="ruby-constant">Uploader</span><span class="ruby-operator">::</span><span class="ruby-constant">Base</span>
<span class="ruby-identifier">value</span> = (<span class="ruby-identifier">options</span>[<span class="ruby-value">:tokenizer</span>] <span class="ruby-operator">||</span> <span class="ruby-constant">DEFAULT_TOKENIZER</span>).<span class="ruby-identifier">call</span>(<span class="ruby-identifier">value</span>) <span class="ruby-keyword">if</span> <span class="ruby-identifier">value</span>.<span class="ruby-identifier">kind_of?</span>(<span class="ruby-constant">String</span>)
<span class="ruby-constant">CHECKS</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">key</span>, <span class="ruby-identifier">validity_check</span><span class="ruby-operator">|</span>
<span class="ruby-keyword">next</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">check_value</span> = <span class="ruby-identifier">options</span>[<span class="ruby-identifier">key</span>]
<span class="ruby-identifier">value</span> <span class="ruby-operator">||=</span> [] <span class="ruby-keyword">if</span> <span class="ruby-identifier">key</span> <span class="ruby-operator">==</span> <span class="ruby-value">:maximum</span>
<span class="ruby-identifier">value_size</span> = <span class="ruby-identifier">value</span>.<span class="ruby-identifier">size</span>
<span class="ruby-keyword">next</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">value_size</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">validity_check</span>, <span class="ruby-identifier">check_value</span>)
<span class="ruby-identifier">errors_options</span> = <span class="ruby-identifier">options</span>.<span class="ruby-identifier">except</span>(*<span class="ruby-constant">RESERVED_OPTIONS</span>)
<span class="ruby-identifier">errors_options</span>[<span class="ruby-value">:file_size</span>] = <span class="ruby-identifier">help</span>.<span class="ruby-identifier">number_to_human_size</span> <span class="ruby-identifier">check_value</span>
<span class="ruby-identifier">default_message</span> = <span class="ruby-identifier">options</span>[<span class="ruby-constant">MESSAGES</span>[<span class="ruby-identifier">key</span>]]
<span class="ruby-identifier">errors_options</span>[<span class="ruby-value">:message</span>] <span class="ruby-operator">||=</span> <span class="ruby-identifier">default_message</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">default_message</span>
<span class="ruby-identifier">record</span>.<span class="ruby-identifier">errors</span>.<span class="ruby-identifier">add</span>(<span class="ruby-identifier">attribute</span>, <span class="ruby-constant">MESSAGES</span>[<span class="ruby-identifier">key</span>], <span class="ruby-identifier">errors_options</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
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