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14 lines
490 B
Ruby
14 lines
490 B
Ruby
class AppUsage < ActiveRecord::Base
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validates :package_name, :usage_duration_in_seconds, :used_on, presence: true
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belongs_to :device
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scope :app_usages_per_device_app_day, lambda {
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AppUsage.select(:package_name,:device_id,:used_on).
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where("device_id IS NOT NULL").
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order("used_on desc").
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order("device_id").
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order("package_name").
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group("device_id","package_name","used_on").
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sum("usage_duration_in_seconds")}
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end
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