53 lines
1.6 KiB
Ruby
53 lines
1.6 KiB
Ruby
class ChipValue < ApplicationRecord
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belongs_to :base_chip, class_name: 'Chip'
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belongs_to :secondary_chip, class_name: 'Chip'
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validates :base_chip_id, uniqueness: { scope: :secondary_chip_id }
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def self.create_full_chip_value(params)
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base_chip_id = params[:base_chip_id]
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secondary_chip_id = params[:secondary_chip_id]
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value = params[:value].to_f
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chips = Chip.where(id: [base_chip_id, secondary_chip_id])
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base_chip = chips.first
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secondary_chip = chips.second
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mirrored_value = value.zero? ? 0 : (1 / value)
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base_chip_value = ChipValue.new(base_chip: base_chip, secondary_chip: secondary_chip, value: value)
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mirrored_chip_value = ChipValue.new(base_chip: secondary_chip, secondary_chip: base_chip, value: mirrored_value)
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transaction do
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base_chip_value.save
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mirrored_chip_value.save
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end
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end
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def self.update_full_chip_value(params)
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id = params[:id]
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new_value = params[:value].to_f
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mirrored_value = new_value.zero? ? 0 : (1 / new_value)
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chip_value = ChipValue.find(id)
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mirrored_chip_value = ChipValue.where(base_chip_id: chip_value.secondary_chip_id, secondary_chip_id: chip_value.base_chip_id).first
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chip_value.value = new_value
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mirrored_chip_value.value = mirrored_value
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transaction do
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chip_value.save
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mirrored_chip_value.save
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end
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end
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def self.destroy_full_chip_value(id)
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chip_value = ChipValue.find(id)
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mirrored_chip_value = ChipValue.where(base_chip_id: chip_value.secondary_chip_id, secondary_chip_id: chip_value.base_chip_id).first
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transaction do
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chip_value.destroy
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mirrored_chip_value.destroy
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end
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end
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end |