76 lines
2.1 KiB
Ruby
76 lines
2.1 KiB
Ruby
module Locomotive
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class Membership
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include Locomotive::Mongoid::Document
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## fields ##
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field :role, :default => 'author'
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## associations ##
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referenced_in :account, :class_name => 'Locomotive::Account', :validate => false
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embedded_in :site, :class_name => 'Locomotive::Site', :inverse_of => :memberships
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## validations ##
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validates_presence_of :account
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validate :can_change_role, :if => :role_changed?
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## callbacks ##
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before_save :define_role
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## methods ##
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Ability::ROLES.each do |_role|
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define_method("#{_role}?") do
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self.role == _role
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end
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end
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def email; @email; end
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def email=(email)
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@email = email
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self.account = Locomotive::Account.where(:email => email).first
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end
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def process!
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if @email.blank?
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self.errors.add_on_blank(:email)
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:error
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elsif self.account.blank?
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:create_account
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elsif self.site.memberships.any? { |m| m.account_id == self.account_id && m._id != self._id }
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self.errors.add(:base, 'Already created')
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:already_created
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else
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self.save
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:save_it
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end
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end
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def ability
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@ability ||= Ability.new(self.account, self.site)
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end
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protected
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def define_role
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self.role = Ability::ROLES.include?(role.downcase) ? role.downcase : Ability::ROLES.first
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end
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# Users should not be able to set the role of another user to be higher than
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# their own. A designer for example should not be able to set another user to
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# be an administrator
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def can_change_role
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current_site = Thread.current[:site]
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current_membership = current_site.memberships.where(:account_id => Thread.current[:account].id).first if current_site.present?
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if current_membership.present?
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# The role cannot be set higher than the current one (we use the index in
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# the roles array to check role presidence)
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errors.add(:role, :invalid) if Ability::ROLES.index(role) < Ability::ROLES.index(current_membership.role)
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end
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end
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end
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end
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