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class Form
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attr_reader :form_definition, :sections, :subsections, :pages, :questions,
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:start_date, :end_date, :type, :name
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def initialize(form_path, name)
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raise "No form definition file exists for given year".freeze unless File.exist?(form_path)
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@form_definition = JSON.parse(File.open(form_path).read)
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@name = name
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@start_date = Time.iso8601(form_definition["start_date"])
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@end_date = Time.iso8601(form_definition["end_date"])
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@type = form_definition["form_type"]
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@sections = form_definition["sections"].map { |id, s| Form::Section.new(id, s, self) }
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@subsections = sections.flat_map(&:subsections)
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@pages = subsections.flat_map(&:pages)
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@questions = pages.flat_map(&:questions)
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end
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def get_subsection(id)
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subsections.find { |s| s.id == id.to_s.underscore }
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end
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def get_page(id)
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pages.find { |p| p.id == id.to_s.underscore }
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end
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def get_question(id, case_log)
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all_questions = questions.select { |q| q.id == id.to_s.underscore }
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routed_question = all_questions.find { |q| q.page.routed_to?(case_log) } if case_log
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routed_question || all_questions[0]
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end
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def subsection_for_page(page)
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subsections.find { |s| s.pages.find { |p| p.id == page.id } }
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end
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def next_page(page, case_log)
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page_ids = subsection_for_page(page).pages.map(&:id)
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page_index = page_ids.index(page.id)
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page_id = page.id.include?("value_check") && case_log[page.questions[0].id] == 1 && page.routed_to?(case_log) ? previous_page(page_ids, page_index, case_log) : page_ids[page_index + 1]
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nxt_page = get_page(page_id)
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return :check_answers if nxt_page.nil?
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return nxt_page.id if nxt_page.routed_to?(case_log)
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next_page(nxt_page, case_log)
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end
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def next_page_redirect_path(page, case_log)
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nxt_page = next_page(page, case_log)
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if nxt_page == :check_answers
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"case_log_#{subsection_for_page(page).id}_check_answers_path"
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else
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"case_log_#{nxt_page}_path"
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end
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end
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def next_incomplete_section_redirect_path(subsection, case_log)
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subsection_ids = subsections.map(&:id)
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if case_log.status == "completed"
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return first_question_in_last_subsection(subsection_ids)
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end
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next_subsection = next_subsection(subsection, case_log, subsection_ids)
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case next_subsection.status(case_log)
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when :completed
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next_incomplete_section_redirect_path(next_subsection, case_log)
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when :in_progress
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"#{next_subsection.id}/check_answers".dasherize
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when :not_started
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first_question_in_subsection = next_subsection.pages.first.id
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first_question_in_subsection.to_s.dasherize
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else
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"error"
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end
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end
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def first_question_in_last_subsection(subsection_ids)
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next_subsection = get_subsection(subsection_ids[subsection_ids.length - 1])
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first_question_in_subsection = next_subsection.pages.first.id
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first_question_in_subsection.to_s.dasherize
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end
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def next_subsection(subsection, case_log, subsection_ids)
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next_subsection_id_index = subsection_ids.index(subsection.id) + 1
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next_subsection = get_subsection(subsection_ids[next_subsection_id_index])
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if subsection_ids[subsection_ids.length - 1] == subsection.id && case_log.status != "completed"
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next_subsection = get_subsection(subsection_ids[0])
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end
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next_subsection
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end
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def all_subsections_except_declaration_completed?(case_log)
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subsection_ids = subsections.map(&:id)
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subsection_ids.delete_at(subsection_ids.length - 1)
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return true if subsection_ids.all? { |subsection_id| get_subsection(subsection_id).status(case_log) == :completed }
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false
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end
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def conditional_question_conditions
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conditions = questions.map { |q| Hash(q.id => q.conditional_for) if q.conditional_for.present? }.compact
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conditions.map { |c|
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c.map { |k, v| v.keys.map { |key| Hash(from: k, to: key, cond: v[key]) } }
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}.flatten
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end
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def invalidated_pages(case_log)
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pages.reject { |p| p.routed_to?(case_log) }
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end
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def invalidated_questions(case_log)
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invalidated_page_questions(case_log) + invalidated_conditional_questions(case_log)
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end
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def invalidated_page_questions(case_log)
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# we're already treating address fields as a special case and reset their values upon saving a case_log
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address_questions = %w[postcode_known la previous_postcode_known previous_la_known prevloc postcode_full ppostcode_full]
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invalidated_pages(case_log).flat_map(&:questions).reject { |q| address_questions.include?(q.id) } || []
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end
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def enabled_page_questions(case_log)
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pages_that_are_routed_to_or_derived = pages.select { |p| p.routed_to?(case_log) || p.derived }
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pages_that_are_routed_to_or_derived.flat_map(&:questions) || []
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end
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def invalidated_conditional_questions(case_log)
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questions.reject { |q| q.enabled?(case_log) } || []
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end
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def readonly_questions
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questions.select(&:read_only?)
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end
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def numeric_questions
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questions.select { |q| q.type == "numeric" }
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end
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def previous_page(page_ids, page_index, case_log)
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prev_page = get_page(page_ids[page_index - 1])
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return prev_page.id if prev_page.routed_to?(case_log)
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previous_page(page_ids, page_index - 1, case_log)
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end
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def send_chain(arr, case_log)
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Array(arr).inject(case_log) { |o, a| o.public_send(*a) }
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end
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def depends_on_met(depends_on, case_log)
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return true unless depends_on
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depends_on.any? do |conditions_set|
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return false unless conditions_set
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conditions_set.all? do |condition|
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object, method, value = condition.values_at("object", "method", "value")
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object_instance = case object
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when "case_log"
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case_log
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when "user"
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nil
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end
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if value.is_a?(Hash) && value.key?("operator")
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operator = value["operator"]
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operand = value["operand"]
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object_instance[method]&.send(operator, operand)
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else
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parts = method.split(".")
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object_instance_value = send_chain(parts, object_instance)
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value.nil? ? object_instance_value == value : !object_instance_value.nil? && object_instance_value == value
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end
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end
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end
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end
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end
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