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Versions: 8
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Contents
require "study_engine/config"
module StudyEngine
class Report < Struct.new(:assessments, :field, :direction)
def self.event_fields
StudyEngine.events.map.with_index { |_, index| :"event_#{index}" }
end
def self.group_class
Struct.new(:study_id, *event_fields) do
def each(&block)
Report.event_fields.map { |field| send(field) }.each(&block)
end
def max_count
Report.event_fields.map { |field| send(field).count }.max
end
def == other
values == other.values
end
end
end
def groups
sort build_groups
end
def build_groups
assessments.reduce({}) do |groups, assessment|
group = groups[assessment.study_id.to_s] || new_empty_group(assessment.study_id)
field = field_map[assessment.event]
group.send(field).push assessment
group.send(field).sort_by! { |a| a.completed_at ? -1 : 1 }
groups.merge(assessment.study_id.to_s => group)
end.values
end
def sort groups
groups.sort do |a, b|
a = a.send(field)
b = b.send(field)
ascending? ? a <=> b : b <=> a
end
end
def ascending?
direction == "ASC"
end
private
def field_map
StudyEngine.events.inject({}) do |hash, event|
index = StudyEngine.events.index(event)
hash.merge event => "event_#{index}"
end
end
def new_empty_group(study_id)
empty_groups = StudyEngine.events.map { |_| [] }
self.class.group_class.new(study_id, *empty_groups)
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems