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73 lines
2.0 KiB
73 lines
2.0 KiB
class AnalyzeBarPresenter
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include AnalyzeHelper
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attr_reader :score, :x_position, :academic_year, :measure_id, :measure, :color
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MINIMUM_BAR_HEIGHT = 2
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def initialize(measure:, academic_year:, score:, x_position:, color:)
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@score = score
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@x_position = x_position
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@academic_year = academic_year
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@measure = measure
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@measure_id = measure.measure_id
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@color = color
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end
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def y_offset
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case zone.type
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when :ideal, :approval
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(analyze_zone_height * 2) - bar_height_percentage
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else
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(analyze_zone_height * 2)
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end
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end
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def bar_color
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"fill-#{zone.type}"
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end
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def bar_height_percentage
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bar_height = case zone.type
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when :ideal
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(percentage * zone_height_percentage + zone_height_percentage) * 100
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when :approval
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(percentage * zone_height_percentage) * 100
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when :growth
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((1 - percentage) * zone_height_percentage) * 100
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when :watch
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((1 - percentage) * zone_height_percentage + zone_height_percentage) * 100
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when :warning
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((1 - percentage) * zone_height_percentage + zone_height_percentage + zone_height_percentage) * 100
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else
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0.0
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end
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enforce_minimum_height(bar_height:)
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end
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def percentage
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(score.average - zone.low_benchmark) / (zone.high_benchmark - zone.low_benchmark)
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end
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def zone
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zones = Zones.new(
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watch_low_benchmark: measure.watch_low_benchmark,
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growth_low_benchmark: measure.growth_low_benchmark,
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approval_low_benchmark: measure.approval_low_benchmark,
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ideal_low_benchmark: measure.ideal_low_benchmark
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)
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zones.zone_for_score(score.average)
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end
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def average
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return 0 if score.average.nil?
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score.average.round(6)
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end
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private
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def enforce_minimum_height(bar_height:)
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bar_height < MINIMUM_BAR_HEIGHT ? MINIMUM_BAR_HEIGHT : bar_height
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end
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end
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