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module OpenTox
class Application < Service
@warnings = []
helpers do
def from_csv(csv)
from_table CSV.parse(csv)
end
=begin
def parse_sdf(sdf)
#obconversion = OpenBabel::OBConversion.new
#obmol = OpenBabel::OBMol.new
#obconversion.set_in_and_out_formats "sdf", "inchi"
table = []
properties = []
sdf.each_line { |l| properties << l.to_s if l.match(/</) }
properties.sort!
properties.uniq!
properties.collect!{ |p| p.gsub(/<|>/,'').strip.chomp }
properties.insert 0, "InChI"
table[0] = properties
rec = 0
sdf.split(/\$\$\$\$\r*\n/).each do |s|
rec += 1
table << []
begin
# TODO: use compound service
compound = OpenTox::Compound.from_sdf sdf
#obconversion.read_string obmol, s
table.last << obconversion.write_string(obmol).gsub(/\s/,'').chomp
rescue
# TODO: Fix, will lead to follow up errors
table.last << "Could not convert structure at record #{rec}) have been ignored! \n#{s}"
end
obmol.get_data.each { |d| table.last[table.first.index(d.get_attribute)] = d.get_value }
end
from_table table
end
=end
def from_table table
@warnings = []
ntriples = ["<#{@uri}> <#{RDF.type}> <#{RDF::OT.Dataset}>."]
ntriples << ["<#{@uri}> <#{RDF.type}> <#{RDF::OT.OrderedDataset}>."]
# features
feature_names = table.shift.collect{|f| f.strip}
@warnings << "Duplicated features in table header." unless feature_names.size == feature_names.uniq.size
compound_format = feature_names.shift.strip
bad_request_error "#{compound_format} is not a supported compound format. Accepted formats: URI, SMILES, InChI." unless compound_format =~ /URI|URL|SMILES|InChI/i
features = []
ignored_feature_indices = []
feature_names.each_with_index do |f,i|
feature = OpenTox::Feature.new File.join($feature[:uri], SecureRandom.uuid)
feature[RDF::DC.title] = f
features << feature
values = table.collect{|row| row[i+1].strip unless row[i+1].nil?}.uniq # skip compound column
if values.size <= 3 # max classes
feature.append RDF.type, RDF::OT.NominalFeature
feature.append RDF.type, RDF::OT.StringFeature
feature[RDF::OT.acceptValue] = values
else
types = values.collect{|v| feature_type(v)}
if types.include?(RDF::OT.NominalFeature)
@warnings << "Feature '#{f}' contains nominal and numeric values."
else
feature.append RDF.type, RDF::OT.NumericFeature
end
end
feature.put
ntriples << "<#{feature.uri}> <#{RDF.type}> <#{RDF::OT.Feature}>."
ntriples << "<#{feature.uri}> <#{RDF::OLO.index}> #{i} ."
end
# compounds and values
compound_uris = []
data_entry_idx = 0
table.each_with_index do |values,j|
values.collect!{|v| v.strip unless v.nil?}
compound = values.shift
begin
case compound_format
when /URI|URL/i
compound_uri = compound
when /SMILES/i
compound_uri = OpenTox::Compound.from_smiles($compound[:uri], compound).uri
when /InChI/i
compound_uri = OpenTox::Compound.from_inchi($compound[:uri], URI.decode_www_form_component(compound)).uri
end
@warnings << "Duplicated compound #{compound} at position #{j+2}, entries are accepted, assuming that measurements come from independent experiments." if compound_uris.include? compound_uri
rescue
@warnings << "Cannot parse compound #{compound} at position #{j+2}, all entries are ignored."
next
end
unless values.size == features.size
@warnings << "Number of values at position #{j+2} (#{values.size}) is different than header size (#{features.size}), all entries are ignored."
next
end
ntriples << "<#{compound_uri}> <#{RDF.type}> <#{RDF::OT.Compound}>."
ntriples << "<#{compound_uri}> <#{RDF::OLO.index}> #{j} ."
values.each_with_index do |v,i|
@warnings << "Empty value for compound '#{compound}' (row #{j+2}) and feature '#{feature_names[i]}' (column #{i+2})." if v.blank?
data_entry_node = "_:dataentry"+ j.to_s
value_node = data_entry_node+ "_value"+ i.to_s
ntriples << "<#{@uri}> <#{RDF::OT.dataEntry}> #{data_entry_node} ."
ntriples << "#{data_entry_node} <#{RDF.type}> <#{RDF::OT.DataEntry}> ."
ntriples << "#{data_entry_node} <#{RDF::OLO.index}> #{j} ."
ntriples << "#{data_entry_node} <#{RDF::OT.compound}> <#{compound_uri}> ."
ntriples << "#{data_entry_node} <#{RDF::OT.values}> #{value_node} ."
ntriples << "#{value_node} <#{RDF::OT.feature}> <#{features[i].uri}> ."
ntriples << "#{value_node} <#{RDF::OT.value}> \"#{v}\" ."
end
end
ntriples << "<#{@uri}> <#{RDF::OT.Warnings}> \"#{@warnings.join('\n')}\" ."
ntriples.join("\n")
end
def ordered?
sparql = "SELECT DISTINCT ?s FROM <#{@uri}> WHERE {?s <#{RDF.type}> <#{RDF::OT.OrderedDataset}>}"
FourStore.query(sparql, "text/uri-list").split("\n").empty? ? false : true
end
def to_csv
accept = "text/uri-list"
csv_string = CSV.generate do |csv|
if ordered?
sparql = "SELECT DISTINCT ?s FROM <#{@uri}> WHERE {?s <#{RDF.type}> <#{RDF::OT.Feature}> . ?s <#{RDF::OLO.index}> ?i} ORDER BY ?i"
features = FourStore.query(sparql, accept).split("\n").collect{|uri| OpenTox::Feature.new uri}
csv << ["SMILES"] + features.collect{ |f| f.get; f[RDF::DC.title] }
sparql = "SELECT DISTINCT ?i FROM <#{@uri}> WHERE {?s <#{RDF.type}> <#{RDF::OT.DataEntry}> . ?s <#{RDF::OLO.index}> ?i} ORDER BY ?i"
FourStore.query(sparql, accept).split("\n").each do |data_entry_idx|
sparql = "SELECT DISTINCT ?compound FROM <#{@uri}> WHERE {
?data_entry <#{RDF::OLO.index}> #{data_entry_idx} ;
<#{RDF::OT.compound}> ?compound. }"
compound = OpenTox::Compound.new FourStore.query(sparql, accept).strip
sparql = "SELECT ?value FROM <#{@uri}> WHERE {
?data_entry <#{RDF::OLO.index}> #{data_entry_idx} ;
<#{RDF::OT.values}> ?v .
?v <#{RDF::OT.feature}> ?f;
<#{RDF::OT.value}> ?value .
?f <#{RDF::OLO.index}> ?i.
} ORDER BY ?i"
csv << [compound.to_smiles] + FourStore.query(sparql,accept).split("\n")
end
else
sparql = "SELECT DISTINCT ?s FROM <#{@uri}> WHERE {?s <#{RDF.type}> <#{RDF::OT.Feature}>}"
features = FourStore.query(sparql, accept).split("\n").collect{|uri| OpenTox::Feature.new uri}
csv << ["SMILES"] + features.collect{ |f| f.get; f[RDF::DC.title] }
sparql = "SELECT ?s FROM <#{@uri}> WHERE {?s <#{RDF.type}> <#{RDF::OT.Compound}>. }"
compounds = FourStore.query(sparql, accept).split("\n").collect{|uri| OpenTox::Compound.new uri}
compounds.each do |compound|
data_entries = []
features.each do |feature|
sparql = "SELECT ?value FROM <#{@uri}> WHERE {
?data_entry <#{RDF::OT.compound}> <#{compound.uri}>;
<#{RDF::OT.values}> ?v .
?v <#{RDF::OT.feature}> <#{feature.uri}>;
<#{RDF::OT.value}> ?value.
} ORDER BY ?data_entry"
FourStore.query(sparql, accept).split("\n").each_with_index do |value,i|
data_entries[i] = [] unless data_entries[i]
data_entries[i] << value
end
end
data_entries.each{|data_entry| csv << [compound.to_smiles] + data_entry}
end
end
end
csv_string
end
def feature_type(value)
if value.blank?
nil
elsif value.numeric?
RDF::OT.NumericFeature
else
RDF::OT.NominalFeature
end
end
def parse_put
case @content_type
when "text/plain", "text/turtle", "application/rdf+xml" # no conversion needed
when "text/csv"
@body = from_csv @body
@content_type = "text/plain"
when "application/vnd.ms-excel"
xls = params[:file][:tempfile].path + ".xls"
File.rename params[:file][:tempfile].path, xls # roo needs these endings
@body = from_csv Excel.new(xls).to_csv
@content_type = "text/plain"
when "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
xlsx = params[:file][:tempfile].path + ".xlsx"
File.rename params[:file][:tempfile].path, xlsx # roo needs these endings
@body = from_csv Excelx.new(xlsx).to_csv
@content_type = "text/plain"
when "application/vnd.oasis.opendocument.spreadsheet"
ods = params[:file][:tempfile].path + ".ods"
File.rename params[:file][:tempfile].path, ods # roo needs these endings
@body = from_csv Excelx.new(ods).to_csv
@content_type = "text/plain"
# when "chemical/x-mdl-sdfile"
# @body = parse_sdf @body
# @content_type = "text/plain"
else
bad_request_error "#{@content_type} is not a supported content type."
end
FourStore.put @uri, @body, @content_type
if params[:file]
nt = "<#{@uri}> <#{RDF::DC.title}> \"#{params[:file][:filename]}\".\n<#{uri}> <#{RDF::OT.hasSource}> \"#{params[:file][:filename]}\"."
FourStore.post(uri, nt, "text/plain")
end
end
end
before "/#{SERVICE}/:id/:property" do
@uri = uri("/#{SERVICE}/#{params[:id]}")
end
# Create a new resource
post "/dataset/?" do
# TOD: task
@uri = uri("/#{SERVICE}/#{SecureRandom.uuid}")
parse_put
response['Content-Type'] = "text/uri-list"
@uri
end
get "/dataset/:id/?" do
case @accept
when "application/rdf+xml", "text/turtle", "text/plain", /html/
FourStore.get(@uri, @accept)
else
case @accept
when "text/csv"
to_csv
#when "application/vnd.ms-excel"
#when "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
#when "application/vnd.oasis.opendocument.spreadsheet"
#when "chemical/x-mdl-sdfile"
else
bad_request_error "'#{@accept}' is not a supported content type."
end
end
end
# Create or updata a resource
put "/dataset/:id/?" do
# TOD: task
parse_put
end
# Get metadata of the dataset
# @return [application/rdf+xml] Metadata OWL-DL
get '/dataset/:id/metadata' do
case @accept
when "application/rdf+xml", "text/turtle", "text/plain"
sparql = "CONSTRUCT {?s ?p ?o.} FROM <#{@uri}> WHERE {<#{@uri}> ?p ?o. }"
FourStore.query sparql, @accept
else
bad_request_error "'#{@accept}' is not a supported content type."
end
end
# Get a list of all features
# @param [Header] Accept one of `application/rdf+xml, text/turtle, text/plain, text/uri-list` (default application/rdf+xml)
# @return [application/rdf+xml, text/turtle, text/plain, text/uri-list] Feature list
get '/dataset/:id/features' do
case @accept
when "application/rdf+xml", "text/turtle", "text/plain"
sparql = "CONSTRUCT {?s ?p ?o.} FROM <#{@uri}> WHERE {?s <#{RDF.type}> <#{RDF::OT.Feature}>; ?p ?o. }"
when "text/uri-list"
sparql = "SELECT DISTINCT ?s FROM <#{@uri}> WHERE {?s <#{RDF.type}> <#{RDF::OT.Feature}>. }"
else
bad_request_error "'#{@accept}' is not a supported content type."
end
FourStore.query sparql, @accept
end
# Get a list of all compounds
# @return [text/uri-list] Feature list
get '/dataset/:id/compounds' do
accept = request.env['HTTP_ACCEPT']
case accept
when "application/rdf+xml", "text/turtle", "text/plain"
sparql = "CONSTRUCT {?s ?p ?o.} FROM <#{@uri}> WHERE {?s <#{RDF.type}> <#{RDF::OT.Compound}>; ?p ?o. }"
when "text/uri-list"
sparql = "SELECT DISTINCT ?s FROM <#{@uri}> WHERE {?s <#{RDF.type}> <#{RDF::OT.Compound}>. }"
else
bad_request_error "'#{accept}' is not a supported content type."
end
FourStore.query sparql, accept
end
end
end
|