159 lines
3.8 KiB
Ruby
159 lines
3.8 KiB
Ruby
class Topic < ActiveRecord::Base
|
|
include TopicsHelper
|
|
|
|
belongs_to :user
|
|
|
|
has_many :synapses1, :class_name => 'Synapse', :foreign_key => 'node1_id'
|
|
has_many :synapses2, :class_name => 'Synapse', :foreign_key => 'node2_id'
|
|
has_many :topics1, :through => :synapses2, :source => :topic1
|
|
has_many :topics2, :through => :synapses1, :source => :topic2
|
|
|
|
has_many :mappings
|
|
has_many :maps, :through => :mappings
|
|
|
|
# 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
|
|
|
|
def user_name
|
|
self.user.name
|
|
end
|
|
|
|
def user_image
|
|
self.user.image.url
|
|
end
|
|
|
|
def map_count
|
|
self.maps.count
|
|
end
|
|
|
|
def synapse_count
|
|
self.synapses.count
|
|
end
|
|
|
|
def inmaps
|
|
self.maps.map(&:name)
|
|
end
|
|
|
|
def inmapsLinks
|
|
self.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
|
|
if self.permission == "commons"
|
|
"co"
|
|
elsif self.permission == "public"
|
|
"pu"
|
|
elsif self.permission == "private"
|
|
"pr"
|
|
end
|
|
end
|
|
|
|
# has no viewable synapses helper function
|
|
def has_viewable_synapses(current)
|
|
result = false
|
|
self.synapses.each do |synapse|
|
|
if synapse.authorize_to_view(current)
|
|
result = true
|
|
end
|
|
end
|
|
return result
|
|
end
|
|
|
|
def synapses_csv(output_format = "array")
|
|
output = []
|
|
self.synapses.each do |synapse|
|
|
if synapse.category == "from-to"
|
|
if synapse.node1_id == self.id
|
|
output << synapse.node1_id.to_s + "->" + synapse.node2_id.to_s
|
|
elsif synapse.node2_id == self.id
|
|
output << synapse.node2_id.to_s + "<-" + synapse.node1_id.to_s
|
|
else
|
|
abort("invalid synapse on topic in synapse_csv")
|
|
end
|
|
elsif synapse.category == "both"
|
|
if synapse.node1_id == self.id
|
|
output << synapse.node1_id.to_s + "<->" + synapse.node2_id.to_s
|
|
elsif synapse.node2_id == self.id
|
|
output << synapse.node2_id.to_s + "<->" + synapse.node1_id.to_s
|
|
else
|
|
abort("invalid synapse on topic in synapse_csv")
|
|
end
|
|
end
|
|
end
|
|
if output_format == "array"
|
|
return output
|
|
elsif output_format == "text"
|
|
return output.join("; ")
|
|
else
|
|
abort("invalid argument to synapses_csv")
|
|
end
|
|
return output
|
|
end
|
|
|
|
##### 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)
|
|
return false
|
|
end
|
|
return self
|
|
end
|
|
|
|
# returns Boolean if user allowed to view Topic, Synapse, or Map
|
|
def authorize_to_view(user)
|
|
if (self.permission == "private" && self.user != user)
|
|
return false
|
|
end
|
|
return true
|
|
end
|
|
end
|