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Versions: 7
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Contents
module AuthorizationHelper
# Public: Block out whole chunks of code based on permissions.
#
# resource - (Class) The model that the user must have permission
# to manage in order to see the block.
# message - (String) The message to display if the user isn't
# authorized (default: "").
# block - The block that will be captured if the user is authorized.
# Should return a String.
#
# Examples
#
# <%= guard Post, "You do not have permission to view this" do %>
# <%= @post.headline %>
# <% end %>
#
# Returns String of either the message or the captured block.
def guard(resource, message=nil, &block)
if current_user.can_manage?(resource)
capture(&block)
else
message.to_s
end
end
# Public: Conditionally link text based on permissions.
#
# resource - (Class) The model that the user must have permission
# to manage in order to see the link.
# args - Arguments to be passed directly to +link_to+ if necessary.
#
# Examples
#
# <%= guarded_link_to Post, @post.headline, edit_post_path(@post) %>
#
# Returns String of either a link tag, or just the link title.
def guarded_link_to(resource, *args)
if current_user.can_manage?(resource)
link_to *args
else
args[0] # Just the link title
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems