metamaps--metamaps/app/models/topic.rb
2016-03-14 14:34:36 +08:00

86 lines
2 KiB
Ruby

class Topic < ActiveRecord::Base
include TopicsHelper
belongs_to :user
has_many :synapses1, :class_name => 'Synapse', :foreign_key => 'node1_id', dependent: :destroy
has_many :synapses2, :class_name => 'Synapse', :foreign_key => 'node2_id', dependent: :destroy
has_many :topics1, :through => :synapses2, :source => :topic1
has_many :topics2, :through => :synapses1, :source => :topic2
has_many :mappings, as: :mappable, dependent: :destroy
has_many :maps, :through => :mappings
validates :permission, presence: true
validates :permission, inclusion: { in: Perm::ISSIONS.map(&:to_s) }
# This method associates the attribute ":image" with a file attachment
has_attached_file :image
#, styles: {
# thumb: '100x100>',
# square: '200x200#',
# medium: '300x300>'
#}
# Validate the attached image is image/jpg, image/png, etc
validates_attachment_content_type :image, :content_type => /\Aimage\/.*\Z/
# This method associates the attribute ":image" with a file attachment
has_attached_file :audio
# Validate the attached audio is audio/wav, audio/mp3, etc
validates_attachment_content_type :audio, :content_type => /\Aaudio\/.*\Z/
def synapses
synapses1 + synapses2
end
def relatives
topics1 + topics2
end
belongs_to :metacode
scope :relatives, ->(topic_id = nil) {
includes(:synapses1)
.includes(:synapses2)
.where('synapses.node1_id = ? OR synapses.node2_id = ?', topic_id, topic_id)
.references(:synapses)
}
def user_name
user.name
end
def user_image
user.image.url
end
def map_count
maps.count
end
def synapse_count
synapses.count
end
def inmaps
maps.map(&:name)
end
def inmapsLinks
maps.map(&:id)
end
def as_json(options={})
super(:methods =>[:user_name, :user_image, :map_count, :synapse_count, :inmaps, :inmapsLinks])
end
def topic_autocomplete_method
"Get: #{self.name}"
end
def mk_permission
Perm.short(permission)
end
end