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# File 'lib/rbbt/rest/knowledge_base.rb', line 14
def self.registered(base)
base.module_eval do
register Sinatra::MultiRoute
include RbbtRESTHelpers
include KnowledgeBaseRESTHelpers
get '/knowledge_base/:name/:database/children/:entity' do
name = consume_parameter :name
database = consume_parameter :database
entity = consume_parameter :entity
kb = get_knowledge_base name
matches = kb.children(database, entity)
case @format
when :tsv
content_type "text/tab-separated-values"
halt 200, matches.tsv.to_s
when :html
template_render('knowledge_base_partials/matches', {:matches => matches}, "Children: #{ [name, database, entity] }")
when :json
content_type :json
halt 200, matches.target.to_json
else
content_type :text
halt 200, matches.target * "\n"
end
end
get '/knowledge_base/:name/:database/parents/:entity' do
name = consume_parameter :name
database = consume_parameter :database
entity = consume_parameter :entity
kb = get_knowledge_base name
matches = kb.parents(database, entity)
case @format
when :tsv
content_type "text/tab-separated-values"
halt 200, matches.tsv.to_s
when :html
template_render('knowledge_base_partials/matches', {:matches => matches}, "Parents: #{ [name, database, entity] }")
when :json
content_type :json
halt 200, matches.source.to_json
else
content_type :text
halt 200, matches.source * "\n"
end
end
get '/knowledge_base/:name/:database/neighbours/:entity' do
name = consume_parameter :name
database = consume_parameter :database
entity = consume_parameter :entity
kb = get_knowledge_base name
neighbours = kb.neighbours(database, entity)
case @format
when :tsv
content_type "text/tab-separated-values"
halt 200, neighbours.values.collect{|m| m.tsv.to_s } * "\n\n"
when :html
template_render('knowledge_base_partials/matches', {:matches => neighbours}, "Neighbours: #{ [name, database, entity] }")
when :json
content_type :json
neighs = {}
neighs[:parents] = neighbours[:parents].source if neighbours[:parents]
neighs[:children] = neighbours[:children].target
halt 200, neighs.to_json
else
content_type :text
neighs = []
neighs.concat neighbours[:parents].source if neighbours[:parents]
neighs.concat neighbours[:children].target
halt 200, neighs * "\n"
end
end
route :get, :post, '/knowledge_base/:name/:database/subset' do
name = consume_parameter :name
database = consume_parameter :database
source = consume_parameter :source
target = consume_parameter :target
target = source if target.nil?
source = source == "all" ? :all : source.split(@array_separator) if source
target = target == "all" ? :all : target.split(@array_separator) if target
entities = { :source => source, :target => target }
kb = get_knowledge_base name
subset = kb.subset(database, entities)
case @format
when :tsv
content_type "text/tab-separated-values"
halt 200, subset.tsv.to_s
when :tsv_json
content_type :json
halt 200, subset.tsv.to_json
when :html
template_render('knowledge_base_partials/subset', {:subset => subset}, "Subset: #{ [name, database] }")
when :json
content_type :json
halt 200, subset.source.to_json
else
content_type :text
halt 200, subset.source * "\n"
end
end
post '/knowledge_base/:name/:database/collection_children' do
name = consume_parameter :name
database = consume_parameter :database
collection = consume_parameter :collection
raise ParameterException, "No collection specified" if collection.nil?
collection = JSON.parse(collection)
kb = get_knowledge_base name
matches = collection.keys.inject({}){|acc,type|
entities = collection[type]
entities.each do |entity|
_matches = kb.children(database, entity)
type = _matches.target_type
next unless _matches and _matches.any?
if (acc[type])
acc[type].concat(_matches)
else
acc[type] = _matches
end
acc
end
acc
}
case @format
when :tsv
content_type "text/tab-separated-values"
matches = matches.sort_by{|k,list| list.length }.last.last
halt 200, matches.tsv.to_s
when :tsv_json
content_type :json
halt 200, {}.to_json if matches.empty?
matches = matches.sort_by{|k,list| list.length }.last.last
halt 200, matches.tsv.to_json
when :html
template_render('knowledge_base_partials/matches', {:matches => matches}, "Collection Children: #{ [name, database] }")
when :json
content_type :json
_matches = {}
matches.each{|type,list|
_matches[type] = list.target
}
halt 200, _matches.to_json
else
content_type :text
matches = matches.sort_by{|k,list| list.length }.last.last
halt 200, matches.target * "\n"
end
end
post '/knowledge_base/:name/:database/collection_parents' do
name = consume_parameter :name
database = consume_parameter :database
collection = consume_parameter :collection
raise ParameterException, "No collection specified" if collection.nil?
collection = JSON.parse(collection)
kb = get_knowledge_base name
matches = collection.keys.inject({}){|acc,type|
entities = collection[type]
entities.each do |entity|
_matches = kb.parents(database, entity)
type = _matches.target_type
next unless _matches and _matches.any?
if acc[type]
acc[type].concat(_matches)
else
acc[type] = _matches
end
acc
end
acc
}
case @format
when :tsv
content_type "text/tab-separated-values"
matches = matches.sort_by{|k,list| list.length }.last.last
halt 200, matches.tsv.to_s
when :tsv_json
content_type :json
halt 200, {}.to_json if matches.empty?
matches = matches.sort_by{|k,list| list.length }.last.last
halt 200, matches.tsv.to_json
when :html
template_render('knowledge_base_partials/matches', {:matches => matches}, "Collection Parents: #{ [name, database] }")
when :json
content_type :json
_matches = {}
matches.each{|type,list|
_matches[type] = list.target
}
halt 200, _matches.to_json
else
content_type :text
matches = matches.sort_by{|k,list| list.length }.last.last
halt 200, matches.target * "\n"
end
end
post '/knowledge_base/:name/:database/collection_neighbours' do
name = consume_parameter :name
database = consume_parameter :database
collection = consume_parameter :collection
raise ParameterException, "No collection specified" if collection.nil?
collection = JSON.parse(collection)
kb = get_knowledge_base name
matches = collection.keys.inject({}){|acc,type|
entities = collection[type]
entities.each do |entity|
_matches_h = kb.neighbours(database, entity)
_matches_h.each do |key, _matches|
if _matches and _matches.any?
target_type = _matches.target_entity_type
if acc[target_type].nil?
acc[target_type] = _matches
else
acc[target_type].concat _matches
end
else
acc
end
end
end
acc
}
@format ||= :json
case @format
when :tsv
content_type "text/tab-separated-values"
matches = matches.sort_by{|k,list| list.length }.last.last
halt 200, matches.tsv.to_s
when :html
template_render('knowledge_base_partials/matches', {:matches => matches}, "Collection Parents: #{ [name, database] }")
when :json
content_type :json
_matches = {}
matches.each{|type,list|
_matches[type] = list.target.uniq.sort
}
halt 200, _matches.to_json
else
content_type :text
matches = matches.sort_by{|k,list| list.length }.last.last
halt 200, matches.target * "\n"
end
end
get '/knowledge_base/:name/:database/info' do
name = consume_parameter :name
database = consume_parameter :database
kb = get_knowledge_base name
source = kb.source(database)
target = kb.target(database)
source_type = kb.source_type(database)
target_type = kb.target_type(database)
fields = kb.fields(database)
source_entity_options = kb.entity_options_for source_type, database
target_entity_options = kb.entity_options_for target_type, database
undirected = kb.undirected(database) == 'undirected'
info = {
:source => source,
:target => target,
:source_type => source_type,
:target_type => target_type,
:source_entity_options => source_entity_options,
:target_entity_options => target_entity_options,
:fields => fields,
:undirected => undirected,
}
content_type "application/json"
halt 200, info.to_json
end
get '/knowledge_base/info/:name/:database/:pair' do
name = consume_parameter :name
database = consume_parameter :database
pair = consume_parameter :pair
kb = get_knowledge_base name
index = kb.get_index(database)
AssociationItem.setup(pair, kb, database, false)
template_render('knowledge_base_partials/association', {:pair => pair, :kb => kb, :index => index, :database => database}, "Association: #{ pair } #{[name, database] * ":"}", :cache_type => :async)
end
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
get '/kb/:name/:database/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
content_type "application/json"
halt 200, serialize_entities(list).to_json
end
get '/kb/:name/:database/parents/: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.parents(database, found).target_entity
content_type "application/json"
halt 200, serialize_entities(list).to_json
end
end
end
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