metamaps--metamaps/app/helpers/topics_helper.rb

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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
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topic['value'] = t.name
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topic['description'] = t.desc ? t.desc.truncate(70) : '' # make this return matched results
topic['type'] = t.metacode.name
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topic['typeImageURL'] = t.metacode.icon
topic['permission'] = t.permission
topic['mapCount'] = t.maps.count
topic['synapseCount'] = t.synapses.count
topic['originator'] = t.user.name
topic['originatorImage'] = t.user.image.url(:thirtytwo)
topic['rtype'] = 'topic'
topic['inmaps'] = t.inmaps
topic['inmapsLinks'] = t.inmapsLinks
temp.push topic
end
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
array = [] if array.nil?
# add the node to the array
array.push(node)
return array if count == 0
count -= 1
# check if each relative is already in the array and if not, call the network function again
if !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
end