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fab-manager/app/services/statistics/query_service.rb

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# frozen_string_literal: true
# Query the elasticsearch database of statistics and format the result
class Statistics::QueryService
class << self
def query(statistic_index, request)
# remove additional parameters
statistic_type = request.query_parameters.delete('stat-type')
custom_query = request.query_parameters.delete('custom-query')
start_date = request.query_parameters.delete('start-date')
end_date = request.query_parameters.delete('end-date')
# run main query in elasticSearch
query = MultiJson.load(request.body.read)
model = "Stats::#{statistic_index}".constantize
results = model.search(query, request.query_parameters.symbolize_keys).response
# run additional custom aggregations, if any
CustomAggregationService.new.call(statistic_index, statistic_type, start_date, end_date, custom_query, results)
results
end
def export(statistic_index, params)
export = ExportService.last_export("statistics/#{statistic_index}")
if export.nil? || !FileTest.exist?(export.file)
Export.new(category: 'statistics',
export_type: statistic_index,
user: current_user,
query: params[:body],
key: params[:type_key])
else
File.root.join(export.file)
end
end
end
end