234 lines
7 KiB
Ruby
234 lines
7 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
|
|
|
|
def synapses
|
|
synapses1 + synapses2
|
|
end
|
|
|
|
def relatives
|
|
topics1 + topics2
|
|
end
|
|
|
|
belongs_to :metacode
|
|
|
|
# sends push updates through redis to websockets for realtime updates
|
|
def message action, origin_user_id
|
|
|
|
return if self.permission == "private" and action == "create"
|
|
|
|
#get array of all maps topic appears in
|
|
@maps = self.maps
|
|
#sends update to all maps that topic appears in who have realtime on
|
|
@maps.each do |map|
|
|
msg = { origin: origin_user_id,
|
|
mapid: map.id,
|
|
resource: 'Topic',
|
|
action: action,
|
|
id: self.id,
|
|
obj: self.selfonmap_as_json(map.id).html_safe }
|
|
$redis.publish 'maps', msg.to_json
|
|
end
|
|
end
|
|
|
|
def topic_autocomplete_method
|
|
"Get: #{self.name}"
|
|
end
|
|
|
|
def mk_permission
|
|
if self.permission == "commons"
|
|
"co"
|
|
elsif self.permission == "public"
|
|
"pu"
|
|
elsif self.permission == "private"
|
|
"pr"
|
|
end
|
|
end
|
|
|
|
# has no viewable synapses helper function
|
|
def has_viewable_synapses(current)
|
|
result = false
|
|
self.synapses.each do |synapse|
|
|
if synapse.authorize_to_view(current)
|
|
result = true
|
|
end
|
|
end
|
|
return result
|
|
end
|
|
|
|
###### JSON ######
|
|
|
|
def self_as_json
|
|
Jbuilder.encode do |json|
|
|
@inmaps = Array.new
|
|
self.maps.each do |map|
|
|
@inmaps.push(map.id)
|
|
end
|
|
|
|
@topicdata = Hash.new
|
|
@topicdata['$desc'] = self.desc
|
|
@topicdata['$link'] = self.link
|
|
@topicdata['$metacode'] = self.metacode.name
|
|
@topicdata['$inmaps'] = @inmaps
|
|
@topicdata['$userid'] = self.user.id
|
|
@topicdata['$username'] = self.user.name
|
|
@topicdata['$permission'] = self.permission
|
|
json.data @topicdata
|
|
json.id self.id
|
|
json.name self.name
|
|
end
|
|
end
|
|
|
|
def selfonmap_as_json(mapid)
|
|
Jbuilder.encode do |json|
|
|
@inmaps = Array.new
|
|
self.maps.each do |map|
|
|
@inmaps.push(map.id)
|
|
end
|
|
|
|
@topicdata = Hash.new
|
|
@topicdata['$desc'] = self.desc
|
|
@topicdata['$link'] = self.link
|
|
@topicdata['$metacode'] = self.metacode.name
|
|
@topicdata['$inmaps'] = @inmaps
|
|
@topicdata['$userid'] = self.user.id
|
|
@topicdata['$username'] = self.user.name
|
|
@mapping = Mapping.find_by_topic_id_and_map_id(self.id,mapid)
|
|
@topicdata['$xloc'] = @mapping.xloc
|
|
@topicdata['$yloc'] = @mapping.yloc
|
|
@topicdata['$mappingid'] = @mapping.id
|
|
@topicdata['$permission'] = self.permission
|
|
json.data @topicdata
|
|
json.id self.id
|
|
json.name self.name
|
|
end
|
|
end
|
|
|
|
#build a json object of everything connected to a specified node
|
|
def network_as_json(current)
|
|
Jbuilder.encode do |json|
|
|
@topics = network(self,nil,1)
|
|
|
|
if @topics.count > 1
|
|
json.array!(@topics.delete_if{|topic| (not topic.authorize_to_view(current)) || (not topic.has_viewable_synapses(current))}) do |topic|
|
|
|
|
json.adjacencies topic.synapses1.delete_if{|synapse| (not @topics.include?(synapse.topic2)) || (not synapse.authorize_to_view(current)) || (not synapse.topic2.authorize_to_view(current)) } do |json, synapse|
|
|
json.nodeTo synapse.node2_id
|
|
json.nodeFrom synapse.node1_id
|
|
|
|
@synapsedata = Hash.new
|
|
@synapsedata['$alpha'] = 0.4
|
|
@synapsedata['$desc'] = synapse.desc
|
|
@synapsedata['$showDesc'] = false
|
|
@synapsedata['$category'] = synapse.category
|
|
@synapsedata['$id'] = synapse.id
|
|
@synapsedata['$userid'] = synapse.user.id
|
|
@synapsedata['$username'] = synapse.user.name
|
|
@synapsedata['$direction'] = [synapse.node1_id.to_s(), synapse.node2_id.to_s()]
|
|
@synapsedata['$permission'] = synapse.permission
|
|
json.data @synapsedata
|
|
end
|
|
|
|
@inmaps = Array.new
|
|
topic.maps.each do |map|
|
|
@inmaps.push(map.id)
|
|
end
|
|
|
|
@topicdata = Hash.new
|
|
@topicdata['$desc'] = topic.desc
|
|
@topicdata['$link'] = topic.link
|
|
@topicdata['$metacode'] = topic.metacode.name
|
|
@topicdata['$inmaps'] = @inmaps
|
|
@topicdata['$userid'] = topic.user.id
|
|
@topicdata['$username'] = topic.user.name
|
|
@topicdata['$permission'] = topic.permission
|
|
json.data @topicdata
|
|
json.id topic.id
|
|
json.name topic.name
|
|
end
|
|
elsif @topics.count == 1
|
|
json.array!(@topics) do |topic|
|
|
@inmaps = Array.new
|
|
topic.maps.each do |map|
|
|
@inmaps.push(map.id)
|
|
end
|
|
|
|
@topicdata = Hash.new
|
|
@topicdata['$desc'] = topic.desc
|
|
@topicdata['$link'] = topic.link
|
|
@topicdata['$metacode'] = topic.metacode.name
|
|
@topicdata['$inmaps'] = @inmaps
|
|
@topicdata['$userid'] = topic.user.id
|
|
@topicdata['$username'] = topic.user.name
|
|
@topicdata['$permission'] = topic.permission
|
|
json.data @topicdata
|
|
json.id topic.id
|
|
json.name topic.name
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
##### PERMISSIONS ######
|
|
|
|
scope :visibleToUser, lambda { |current, user|
|
|
if user != nil
|
|
if user != current
|
|
Topic.find_all_by_user_id_and_permission(user.id, "commons") | Topic.find_all_by_user_id_and_permission(user.id, "public")
|
|
elsif user == current
|
|
Topic.find_all_by_user_id_and_permission(user.id, "commons") | Topic.find_all_by_user_id_and_permission(user.id, "public") | current.topics.where(:permission => "private")
|
|
end
|
|
elsif (current != nil && user == nil)
|
|
Topic.find_all_by_permission("commons") | Topic.find_all_by_permission("public") | current.topics.where(:permission => "private")
|
|
elsif (current == nil)
|
|
Topic.find_all_by_permission("commons") | Topic.find_all_by_permission("public")
|
|
end
|
|
}
|
|
|
|
# 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
|
|
|
|
# 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
|
|
|
|
# returns Boolean based on whether user has permissions to edit or not
|
|
def authorize_linkto_edit(user)
|
|
if (self.user == user)
|
|
return true
|
|
elsif (self.permission == "commons")
|
|
return true
|
|
end
|
|
return false
|
|
end
|
|
|
|
end
|