65 lines
1.6 KiB
Ruby
65 lines
1.6 KiB
Ruby
class CalculatorController < ApplicationController
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def index
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end
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def calculate
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input = params[:input]
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output_unit = params[:output_unit]
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ingredient_id = params[:ingredient_id]
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ingredient = nil
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density = params[:density]
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density = nil unless density.present?
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if ingredient_id.present?
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ingredient = Ingredient.find_by_ingredient_id(ingredient_id)
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end
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data = {errors: Hash.new { |h, k| h[k] = [] }, output: ''}
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UnitConversion::with_custom_units(ingredient ? ingredient.custom_units : []) do
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density_unit = nil
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begin
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if density
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density_unit = UnitConversion.parse(density)
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unless density_unit.density?
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data[:errors][:density] << 'not a density unit'
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density_unit = nil
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end
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end
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rescue UnitConversion::UnparseableUnitError => e
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data[:errors][:density] << 'invalid string'
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end
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begin
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input_unit = UnitConversion.parse(input)
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rescue UnitConversion::UnparseableUnitError => e
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data[:errors][:input] << 'invalid string'
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end
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if !input_unit.nil?
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if output_unit.present?
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begin
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input_unit = input_unit.convert(output_unit, density_unit)
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rescue UnitConversion::UnparseableUnitError => e
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data[:errors][:output_unit] << e.message
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end
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else
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input_unit = input_unit.auto_unit
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end
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end
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if data[:errors].empty?
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data[:output] = input_unit.to_s
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end
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end
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render json: data
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end
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def ingredient_search
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@foods = Food.has_density.search(params[:query]).order(:name)
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end
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end |