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# Get all datasets
get "/api/dataset/?" do
datasets = Dataset.all #.limit(100)
case @accept
when "application/json"
list = datasets.collect{|dataset| uri("/api/dataset/#{dataset.id}")}.to_json
return list
else
halt 400, "Mime type #{@accept} is not supported."
end
end
# Get a dataset
get "/api/dataset/:id/?" do
dataset = Dataset.find :id => params[:id]
halt 400, "Dataset with id: #{params[:id]} not found." unless dataset
case @accept
when "text/csv", "application/csv"
return File.read dataset.source
else
bad_request_error "Mime type #{@accept} is not supported."
end
end
# Get a dataset attribute. One of compounds, nanoparticles, substances, features
get "/api/dataset/:id/:attribute/?" do
dataset = Dataset.find :id => params[:id]
halt 400, "Dataset with id: #{params[:id]} not found." unless dataset
attribs = ["compounds", "nanoparticles", "substances", "features"]
return "Attribute '#{params[:attribute]}' is not available. Choose one of #{attribs.join(', ')}." unless attribs.include? params[:attribute]
out = dataset.send("#{params[:attribute]}")
return out.to_json
end
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