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2013-06-30T15:18:02.147
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For validating the uniqueness of the <code>userName</code> and <code>company</code>, I believe the problem is that on editing the <code>User</code>, the validator function finds the userName / company in the Database because it is the record you inserted beforehand. So you will need to check if the userName / company exists and if it does exist, check if the id of the row is the id of the user. If they are the same, return true because it has only found the record you're currently updating. With the id of the <code>User</code>, it's best to handle this in the <code>Action</code> and not the form binding due to security implications. E.g if the id is set and submitted in the form, it would be easy for someone to change the value of the id input to the id of another User to change their details. This is similar to how GitHub got compromised last year <a href="http://www.infoq.com/news/2012/03/GitHub-Compromised" rel="nofollow">http://www.infoq.com/news/2012/03/GitHub-Compromised</a> In terms of a rough code snippet, something along the lines of: <pre><code>def update(userId: Long) = Action { implicit request => val user = User.find(userId) // Some type of authorization if(!authorize(getCurrentUser(), user) { BadRequest("access denied") } else { UserFormWithMappings.bindFromRequest().fold( formWithErrors => Ok("form errors"), updatedUser => { updatedUser.id = userId User.update(updatedUser) // insert into db Ok("User changes saved") } ) } } </code></pre>
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1. PODifferent model validation on User Name in Scala Play! 2 form mapping in create and update
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1. COthanks for the answer I ended up doing it in action method, with authorize check similar to what you have put, thanks for the git hub hack link, was not aware, great tip :) and taking time to answer a month old question.
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