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# frozen_string_literal: true
# Returns all patients alive and on treatment within a given
# time period (Tx Curr).
module MalawiHivProgramReports
module Clinic
class PatientsAliveAndOnTreatment
attr_reader :start_date, :end_date
include MalawiHivProgramReports::Utils::ConcurrencyUtils
def initialize(start_date:, end_date:, outcomes_definition: 'moh', rebuild_outcomes: true, **kwargs)
@start_date = start_date
@end_date = end_date
@rebuild_outcomes = rebuild_outcomes
@outcomes_definition = outcomes_definition
@occupation = kwargs[:occupation]
@location = kwargs[:location]
end
##
# Repopulates temp_patient_outcomes and temp_earliest_start_date tables.
#
# The data in temp_patient_outcomes can be used to quickly find patients
# with various outcomes.
def refresh_outcomes_table
logger.debug('Initialising cohort temporary tables...')
MalawiHivProgramReports::Moh::CohortBuilder.new(outcomes_definition: @outcomes_definition, location: @location)
.init_temporary_tables(@start_date, @end_date, @occupation)
end
def find_report
query.map(&:patient_id)
end
def query
with_lock(Moh::Cohort::LOCK_FILE) do
refresh_outcomes_table if @rebuild_outcomes || !outcomes_table_exists?
::Patient.find_by_sql <<~SQL
SELECT patient_id FROM temp_patient_outcomes WHERE cum_outcome LIKE 'On antiretrovirals'
SQL
end
end
private
def outcomes_table_exists?
ActiveRecord::Base.connection.table_exists?(:temp_patient_outcomes)
end
def logger
Rails.logger
end
end
end
end
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30 entries across 30 versions & 1 rubygems