metamaps--metamaps/app/models/synapse.rb
2016-03-11 17:16:04 +11:00

64 lines
1.5 KiB
Ruby

class Synapse < ActiveRecord::Base
belongs_to :user
belongs_to :topic1, :class_name => "Topic", :foreign_key => "node1_id"
belongs_to :topic2, :class_name => "Topic", :foreign_key => "node2_id"
has_many :mappings, as: :mappable, dependent: :destroy
has_many :maps, :through => :mappings
validates :desc, length: { minimum: 0, allow_nil: false }
validates :permission, presence: true
validates :node1_id, presence: true
validates :node2_id, presence: true
validates :permission, inclusion: { in: Perm::ISSIONS.map(&:to_s) }
validates :category, inclusion: { in: ['from-to', 'both'], allow_nil: true }
# :nocov:
def user_name
user.name
end
# :nocov:
# :nocov:
def user_image
user.image.url
end
# :nocov:
# :nocov:
def as_json(options={})
super(:methods =>[:user_name, :user_image])
end
# :nocov:
##### PERMISSIONS ######
# returns false if user not allowed to 'show' Topic, Synapse, or Map
def authorize_to_show(user)
if (self.permission == "private" && self.user != user)
return false
end
return self
end
# returns false if user not allowed to 'edit' Topic, Synapse, or Map
def authorize_to_edit(user)
if (self.permission == "private" && self.user != user)
return false
elsif (self.permission == "public" && self.user != user)
return false
end
return self
end
def authorize_to_delete(user)
if (self.user == user || user.admin)
return self
end
return false
end
end