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# File 'lib/rbbt/rest/knowledge_base.rb', line 10
def self.registered(base)
base.module_eval do
helpers KnowledgeBaseRESTHelpers
get '/knowledge_base/:name/:database/entity_children/:entity' do
name = consume_parameter :name
database = consume_parameter :database
entity = consume_parameter :entity
kb = get_knowledge_base name
found = kb.identify database, entity
raise ParameterException, "Entity #{entity} was not found" unless found
list = kb.children(database, found).target_entity
case @format
when :json
content_type "application/json"
halt 200, prepare_entities_for_json(list).to_json
when :html
end
end
post '/knowledge_base/:name/:database/entity_list_children/' do
name = consume_parameter :name
database = consume_parameter :database
entities = consume_parameter :entities
raise ParameterException, "No 'entities' provided" if entities.nil?
entities = entities.split("|")
kb = get_knowledge_base name
children = {}
entities.each do |entity|
found = kb.identify database, entity
next if found.nil?
children[entity] = kb.children(database, found).target_entity
end
case @format
when :json
content_type "application/json"
halt 200, prepare_entities_for_json(children).to_json
when :html
end
end
post '/knowledge_base/:name/:database/entity_collection_children' do
name = consume_parameter :name
database = consume_parameter :database
entities = consume_parameter :entities
raise ParameterException, "No 'entities' provided" if entities.nil?
entities = JSON.parse(entities)
kb = get_knowledge_base name
entities.each do |type,list|
list.each do |entity|
found = kb.identify database, entity
next if found.nil?
targets = kb.children(database, found).target_entity
next if targets.nil? or targets.empty?
target_type = kb.target database
children[target_type] ||= []
children[target_type].concat targets
end
end
case @format
when :json
content_type "application/json"
halt 200, prepare_entities_for_json(children).to_json
when :html
end
end
get '/knowledge_base/:name/:database/entity_neighbours/:entity' do
name = consume_parameter :name
database = consume_parameter :database
entity = consume_parameter :entity
kb = get_knowledge_base name
found = kb.identify database, entity
raise ParameterException, "Entity #{entity} was not found" unless found
list = kb.neighbours(database, found).values.select{|list| list and list.any?}.first
list = list.target_entity if list.respond_to? :target_entity
list ||= []
case @format
when :json
content_type "application/json"
halt 200, prepare_entities_for_json(list).to_json
when :html
end
end
post '/knowledge_base/:name/:database/entity_list_neighbours/' do
name = consume_parameter :name
database = consume_parameter :database
entities = consume_parameter :entities
raise ParameterException, "No 'entities' provided" if entities.nil?
entities = entities.split("|")
kb = get_knowledge_base name
children = {}
entities.each do |entity|
found = kb.identify database, entity
next if found.nil?
matches = kb.neighbours(database, found).values.select{|list| list and list.any?}.first
next if matches.nil? or matches.empty?
children[entity] = matches.target_entity
end
case @format
when :json
content_type "application/json"
halt 200, prepare_entities_for_json(children).to_json
when :html
end
end
post '/knowledge_base/:name/:database/entity_collection_neighbours' do
name = consume_parameter :name
database = consume_parameter :database
entities = consume_parameter :entities
raise ParameterException, "No 'entities' provided" if entities.nil?
entities = JSON.parse(entities)
kb = get_knowledge_base name
neighbours = {}
entities.each do |type,list|
list.each do |entity|
found = kb.identify_source database, entity
if found.nil?
reverse = true
found = kb.identify_target database, entity
else
reverse = false
end
next if found.nil?
matches = kb.neighbours(database, found)[reverse ? :parents : :children]
next if matches.nil? or matches.empty?
targets = matches.target
entity_type = reverse ? kb.source_type(database) : kb.target_type(database)
neighbours[entity_type] ||= []
neighbours[entity_type].concat targets
end
end
neighbours.each{|type, list| list.uniq!}
case @format
when :json
content_type "application/json"
halt 200, prepare_entities_for_json(neighbours).to_json
when :html
end
end
end
end
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