metamaps--metamaps/app/helpers/topics_helper.rb
2014-01-28 22:46:58 -05:00

155 lines
4.7 KiB
Ruby

module TopicsHelper
## this one is for building our custom JSON autocomplete format for typeahead
def autocomplete_array_json(topics)
temp = []
topics.each do |t|
topic = {}
topic['id'] = t.id
topic['label'] = t.name
topic['value'] = t.name
topic['description'] = t.desc.truncate(35) # make this return matched results
topic['type'] = t.metacode.name
topic['typeImageURL'] = '/assets/' + t.metacode.icon
topic['permission'] = t.permission
topic['mapCount'] = t.maps.count
topic['synapseCount'] = t.synapses.count
topic['originator'] = t.user.name
temp.push topic
end
return temp
end
#find all nodes in any given nodes network
def network(node, array, count)
# recurse starting with a node to find all connected nodes and return an array of topics that constitutes the starting nodes network
# if the array of nodes is empty initialize it
if array.nil?
array = Array.new
end
# add the node to the array
array.push(node)
if count == 0
return array
end
count = count - 1
# check if each relative is already in the array and if not, call the network function again
if not node.relatives.empty?
if (node.relatives-array).empty?
return array
else
(node.relatives-array).each do |relative|
array = (array | network(relative, array, count))
end
return array
end
elsif node.relatives.empty?
return array
end
end
#return a json object containing all of a users added synapses
def synapses_as_json(current, synapses)
Jbuilder.encode do |json|
@topics = Array.new
synapses.each do |synapse|
@topics.push(synapse.topic1) if (not @topics.include?(synapse.topic1)) && synapse.topic1.authorize_to_view(current)
@topics.push(synapse.topic2) if (not @topics.include?(synapse.topic2)) && synapse.topic2.authorize_to_view(current)
end
json.array!(@topics) do |topic|
json.adjacencies topic.synapses2.delete_if{|synapse| not @topics.include?(Topic.find_by_id(synapse.node1_id))} do |json, synapse|
json.nodeTo synapse.node1_id
json.nodeFrom synapse.node2_id
@synapsedata = Hash.new
@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['$permission'] = topic.permission
json.data @topicdata
json.id topic.id
json.name topic.name
end
end
end
def all_as_json(current, user)
# current is current user
Jbuilder.encode do |json|
if user.nil?
@topics = Topic.visibleToUser(current, nil)
@synapses = Synapse.visibleToUser(current, nil)
else
@topics = Topic.visibleToUser(current, user)
@synapses = Synapse.visibleToUser(current, user)
end
json.array!(@topics) do |topic|
json.adjacencies topic.synapses2.delete_if{|synapse| (not @topics.include?(Topic.find_by_id(synapse.node1_id))) || (not @synapses.include?(synapse))} do |json, synapse|
json.nodeTo synapse.node1_id
json.nodeFrom synapse.node2_id
@synapsedata = Hash.new
@synapsedata['$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
end
end
end