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PORails Authlogic authentication method
 

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    <p>Within Authlogic, is there a way that I can add conditions to the authentication method? I know by using the <strong>find_by_login_method</strong> I can specify another method to use, but when I use this I need to pass another parameter since the <strong>find_by_login_method</strong> method only passes the parameter that is deemed the 'login_field'. </p> <p>What I need to do is check something that is an association of the authentic model.. Here is the method I want to use</p> <pre><code> # make sure that the user has access to the subdomain that they are # attempting to login to, subdomains are company names def self.find_by_email_and_company(email, company) user = User.find_by_email(email) companies = [] user.brands.each do |b| companies &lt;&lt; b.company.id end user &amp;&amp; companies.include?(company) end </code></pre> <p>But this fails due to the fact that only one parameter is sent to the find_by_email_and_company method.</p> <p>The company is actually the subdomain, so in order to get it here I am just placing it in a hidden field in the form (only way I could think to get it to the model)</p> <p>Is there a method I can override somehow..?</p> <p>Using the answer below I came up with the following that worked:</p> <blockquote> <p><strong>User Model (User.rb)</strong></p> </blockquote> <pre><code> def self.find_by_email_within_company(email) # find the user user = self.find_by_email(email) # no need to continue if the email address is invalid return false if user.nil? # collect the subdomains the provided user has access to company_subdomains = user.brands.map(&amp;:company).map(&amp;:subdomain) # verify that the user has access to the current subdomain company_subdomains.include?(Thread.current[:current_subdomain]) &amp;&amp; user end </code></pre> <blockquote> <p><strong>Application Controller</strong></p> </blockquote> <pre><code> before_filter :set_subdomain private def set_subdomain # helper that retreives the current subdomain get_company Thread.current[:current_subdomain] = @company.subdomain end </code></pre> <blockquote> <p><strong>User Session Model (UserSession.rb)</strong></p> </blockquote> <pre><code>find_by_login_method :find_by_email_within_company </code></pre> <p>I have read a few things about using Thread.current, and conflicting namespaces.. This is a great solution that worked for me but would love to hear any other suggestions before the bounty expires, otherwise, +100 to Jens Fahnenbruck :)</p>
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    1. COyou need to swap "user && companies.include?(company)" to "companies.include?(company) && user", so User#find_by_email_and_company returns the user model instead of "true" or "false" for the Array#include? method
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    2. COYour Right about the Problems Thread.current could have. So I updated my Answer with an alternative way
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    3. COthats funny, the post you linked to is the post I read that informed me of Thread.current being bad, thanks for the help Jens!
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