photomix/app/controllers/application_controller.rb

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# Filters added to this controller apply to all controllers in the application.
# Likewise, all the methods added will be available for all controllers.
class ApplicationController < ActionController::Base
helper :all # include all helpers, all the time
protect_from_forgery # See ActionController::RequestForgeryProtection for details
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helper_method :current_user, :current_user_session
before_filter :setup
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private
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def setup
redirect_to new_account_path if User.all.length == 0
end
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def check_public_access
require_user if ENV['PRIVATE'] == 'true'
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end
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def current_user_session
return @current_user_session if defined?(@current_user_session)
@current_user_session = UserSession.find
end
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def current_user
return @current_user if defined?(@current_user)
@current_user = current_user_session && current_user_session.user
end
def require_role(roles = [])
unless current_user && current_user.in_role?(*roles)
store_location
flash[:notice] = "You must have permission to access this page"
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redirect_to account_path
return false
end
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return true
end
def require_role_admin
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return false if !require_user
return require_role("admin")
end
def require_permission(permissions = [])
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return false if !require_user
unless current_user && current_user.has_permission?(*permissions)
store_location
flash[:notice] = "You must have permission to access this page"
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redirect_to account_path
return false
end
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return true
end
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def require_user
unless current_user
store_location
flash[:notice] = "You must be logged in to access this page"
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redirect_to login_path
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return false
end
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return true
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end
def require_no_user
if current_user
store_location
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flash[:notice] = "Already logged in. Please logout"
redirect_to account_path
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return false
end
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return true
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end
def store_location
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session[:return_to] = request.fullpath
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end
def redirect_back_or_default(default)
redirect_to(session[:return_to] || default)
session[:return_to] = nil
end
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end