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Contents
# frozen_string_literal: true
module Decidim
module Forms
# A class used to collect user answers for a questionnaire
class QuestionnaireParticipants < Decidim::Query
# Syntactic sugar to initialize the class and return the queried objects.
#
# questionnaire - a Questionnaire object
def self.for(questionnaire)
new(questionnaire).query
end
# Initializes the class.
#
# questionnaire = a Questionnaire object
def initialize(questionnaire)
@questionnaire = questionnaire
end
# Finds all Answers for the questionnaire (unique session_tokens).
# Because exporters only have access to the Answers this
# is used as an indirect way to access the participants
# (see #participants and #participant)
def query
Answer.where(questionnaire: @questionnaire)
end
def participant(session_token)
query.find_by(session_token: session_token)
end
def participants
subquery = query.select("DISTINCT ON (decidim_forms_answers.session_token) decidim_forms_answers.*")
Answer.select("*").from(subquery).order(:created_at)
end
def count_participants
query.select(:session_token).distinct.count
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems