metamaps--metamaps/app/models/topic.rb

151 lines
4.5 KiB
Ruby
Raw Permalink Normal View History

2016-09-24 03:00:46 +00:00
# frozen_string_literal: true
class Topic < ApplicationRecord
2016-02-03 13:38:41 +00:00
include TopicsHelper
belongs_to :user
belongs_to :defer_to_map, class_name: 'Map', foreign_key: 'defer_to_map_id'
2016-02-03 13:38:41 +00:00
has_many :synapses1, class_name: 'Synapse', foreign_key: 'topic1_id', dependent: :destroy
has_many :synapses2, class_name: 'Synapse', foreign_key: 'topic2_id', dependent: :destroy
has_many :topics1, through: :synapses2, source: :topic1
has_many :topics2, through: :synapses1, source: :topic2
2016-02-03 13:38:41 +00:00
has_many :mappings, as: :mappable, dependent: :destroy
has_many :maps, through: :mappings
2016-02-03 13:38:41 +00:00
belongs_to :metacode
before_create :create_metamap?
after_update :after_updated
2016-02-03 13:38:41 +00:00
validates :permission, presence: true
validates :permission, inclusion: { in: Perm::ISSIONS.map(&:to_s) }
2016-02-03 13:38:41 +00:00
# This method associates the attribute ":image" with a file attachment
has_attached_file :image
# , styles: {
2016-02-03 13:38:41 +00:00
# thumb: '100x100>',
# square: '200x200#',
# medium: '300x300>'
# }
2016-02-03 13:38:41 +00:00
# Validate the attached image is image/jpg, image/png, etc
validates_attachment_content_type :image, content_type: /\Aimage\/.*\Z/
2016-02-03 13:38:41 +00:00
# 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/
2016-02-03 13:38:41 +00:00
def synapses
2016-09-30 06:42:07 +00:00
synapses1.or(synapses2)
2016-02-03 13:38:41 +00:00
end
2016-02-03 13:38:41 +00:00
def relatives
2016-09-30 06:42:07 +00:00
topics1.or(topics2)
2016-02-03 13:38:41 +00:00
end
scope :relatives, ->(topic_id = nil, user = nil) {
2016-09-05 03:55:19 +00:00
# should only see topics through *visible* synapses
# e.g. Topic A (commons) -> synapse (private) -> Topic B (commons) must be filtered out
2016-09-30 06:42:07 +00:00
topic_ids = Pundit.policy_scope(user, Synapse.where(topic1_id: topic_id)).pluck(:topic2_id)
topic_ids += Pundit.policy_scope(user, Synapse.where(topic2_id: topic_id)).pluck(:topic1_id)
where(id: topic_ids.uniq)
}
delegate :name, to: :user, prefix: true
2016-02-03 13:38:41 +00:00
def user_image
user.image.url
end
def map_count(user)
Pundit.policy_scope(user, maps).count
2016-02-03 13:38:41 +00:00
end
def synapse_count(user)
Pundit.policy_scope(user, synapses).count
2016-02-03 13:38:41 +00:00
end
def inmaps(user)
Pundit.policy_scope(user, maps).map(&:name)
2016-02-03 13:38:41 +00:00
end
def inmapsLinks(user)
Pundit.policy_scope(user, maps).map(&:id)
2016-02-03 13:38:41 +00:00
end
def as_json(options = {})
super(methods: [:user_name, :user_image, :collaborator_ids])
.merge(inmaps: inmaps(options[:user]), inmapsLinks: inmapsLinks(options[:user]),
map_count: map_count(options[:user]), synapse_count: synapse_count(options[:user]))
end
def collaborator_ids
if defer_to_map
defer_to_map.editors.select { |mapper| mapper != user }.map(&:id)
else
[]
end
2016-02-03 13:38:41 +00:00
end
# TODO: move to a decorator?
def synapses_csv(output_format = 'array')
output = []
synapses.each do |synapse|
if synapse.category == 'from-to'
if synapse.topic1_id == id
output << synapse.topic1_id.to_s + '->' + synapse.topic2_id.to_s
elsif synapse.topic2_id == id
output << synapse.topic2_id.to_s + '<-' + synapse.topic1_id.to_s
else
raise 'invalid synapse on topic in synapse_csv'
end
elsif synapse.category == 'both'
if synapse.topic1_id == id
output << synapse.topic1_id.to_s + '<->' + synapse.topic2_id.to_s
elsif synapse.topic2_id == id
output << synapse.topic2_id.to_s + '<->' + synapse.topic1_id.to_s
else
raise 'invalid synapse on topic in synapse_csv'
end
end
end
if output_format == 'array'
return output
elsif output_format == 'text'
return output.join('; ')
else
raise 'invalid argument to synapses_csv'
end
output
end
2016-02-03 13:38:41 +00:00
def topic_autocomplete_method
"Get: #{name}"
2016-02-03 13:38:41 +00:00
end
protected
def create_metamap?
return unless (link == '') && (metacode.name == 'Metamap')
@map = Map.create(name: name, permission: permission, desc: '',
arranged: true, user_id: user_id)
self.link = Rails.application.routes.url_helpers
.map_url(host: ENV['MAILER_DEFAULT_URL'], id: @map.id)
end
def after_updated
attrs = ['name', 'desc', 'link', 'metacode_id', 'permission', 'defer_to_map_id']
if attrs.any? {|k| changed_attributes.key?(k)}
new = self.attributes.select {|k,v| attrs.include?(k) }
old = changed_attributes.select {|k,v| attrs.include?(k) }
meta = new.merge(old) # we are prioritizing the old values, keeping them
meta['changed'] = changed_attributes.keys.select {|k| attrs.include?(k) }
Events::TopicUpdated.publish!(self, user, meta)
end
end
2016-02-03 13:38:41 +00:00
end