Created
April 11, 2011 18:03
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Ability Class, from ActiveRecord
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<!-- CUT TO _banco.html.erb --> | |
<tr> | |
<td><%= bank.code %></td> | |
<td><%= bank.name %></td> | |
<td><%= bank.cnpj8 %></td> | |
<td id="td_action"> | |
<% if can? :read, Bank %> <%= link_to (row_link 'show'), bank %><% end %> | |
<% if can? :update, Bank %> <%= link_to (row_link 'edit'), edit_bank_path(bank) %><% end %> | |
<% if can? :destroy, Bank %><%= link_to (row_link 'delete'), bank, :confirm => 'Sure?', :method => :delete %><% end %> | |
</td> | |
</tr> | |
<!-- END CUT TO --> |
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# encoding: utf-8 | |
class Ability | |
include CanCan::Ability | |
def initialize(user) | |
user ||= User.new # guest | |
user.roles.each do |role| | |
role.permissions.each do |permission| | |
if permission.subject_class == 'all' | |
v_class = :all | |
else | |
v_class = permission.subject_class.constantize | |
end | |
if permission.subject_id.nil? | |
can permission.action.to_sym, v_class | |
else | |
can permission.action.to_sym, v_class, :id => permission.subject_id | |
end | |
end | |
end | |
end | |
end |
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... | |
helper_method :permission | |
def self.permission | |
return Bank.name, "Nice Banks Caption" | |
end |
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def setup_actions_controllers_db | |
write_permission("all", "manage", "Everything", "Every Action", true) | |
controllers = Dir.new("#{RAILS_ROOT}/app/controllers").entries | |
controllers.each do |controller| | |
if controller =~ /_controller/ | |
c_instance = controller.camelize.gsub(".rb","").constantize.new | |
end | |
end | |
RestrictController.subclasses.each do |controller| | |
is_rest = controller.respond_to?(:index) && controller.respond_to?(:new) && controller.respond_to?(:create) && controller.respond_to?(:update) && controller.respond_to?(:edit) && controller.respond_to?(:show) && controller.respond_to?(:delete) | |
if controller.respond_to?(:permission) | |
clazz, description = controller.permission | |
write_permission(clazz, "manage", description, "Every Action") | |
controller.action_methods.each do |action| | |
if action.to_s.index("_callback").nil? | |
action_desc, cancan_action = eval_cancan_action(action) | |
write_permission(clazz, cancan_action, description, action_desc) | |
end | |
end | |
end | |
end | |
end | |
# This looks DAMN ugly, needs fixing. | |
def eval_cancan_action(action) | |
case action.to_s | |
when "index", "show", "search" | |
cancan_action = "read" | |
action_desc = "Read-only" | |
when "create", "new" | |
cancan_action = "create" | |
action_desc = "Insert only" | |
when "edit", "update" | |
cancan_action = "update" | |
action_desc = "Update Only" | |
when "delete", "destroy" | |
cancan_action = "delete" | |
action_desc = "Delete Only" | |
else | |
cancan_action = action.to_s | |
action_desc = "Others: " << cancan_action | |
end | |
return action_desc, cancan_action | |
end | |
def write_permission(class_name, cancan_action, name, description, force_id_1 = false) | |
permission = Permission.find(:first, :conditions => ["subject_class = ? and action = ?", class_name, cancan_action]) | |
if not permission | |
permission = Permission.new | |
permission.id = 1 unless not force_id_1 | |
permission.subject_class = class_name | |
permission.action = cancan_action | |
permission.name = name | |
permission.description = description | |
permission.save | |
else | |
permission.name = name | |
permission.description = description | |
permission.save | |
end | |
end |
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