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Optimized formula computation to run 'eval' once

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This commit is contained in:
cryptogopher 2020-01-11 23:49:30 +01:00
parent a4ec6a0c12
commit b437bee18b
3 changed files with 16 additions and 19 deletions
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2
app/helpers/ingredients_helper.rb
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@ -7,7 +7,7 @@ module IngredientsHelper
def toggle_column_options
disabled = []
enabled_columns = @project.nutrients_column_view.quantities
enabled_columns = @project.nutrients_column_view.quantities.to_a
options = nested_set_options(@project.quantities.diet) do |q|
disabled << q.id if enabled_columns.include?(q)
raw("#{'&ensp;' * q.level}#{q.name}")

19
lib/body_tracking/formula.rb
View File

@ -89,11 +89,13 @@ module BodyTracking
@quantities = quantities
@paramed_formula = Ripper.lex(@formula).map do |*, ttype, token|
if QUANTITY_TTYPES.include?(ttype) && quantities_names.include?(token)
"params['#{token}']"
"params['#{token}'][_index]"
else
token
end
end.join
@paramed_formula =
"params.values.first.each_with_index.map { |*, _index| #{@paramed_formula} }"
end
errors
@ -112,14 +114,13 @@ module BodyTracking
def calculate(inputs)
raise RuntimeError, 'Invalid formula' unless self.valid?
inputs.map do |i, values|
puts values.inspect
begin
[i, [get_binding(values).eval(@paramed_formula), nil]]
rescue Exception => e
puts e.message
[i, [nil, nil]]
end
values = inputs.map { |q, v| [q.name, v.transpose[0]] }.to_h
puts values.inspect
begin
get_binding(values).eval(@paramed_formula).map { |x| [x, nil] }
rescue Exception => e
puts e.message
[[nil, nil]] * inputs.values.first.length
end
end

14
lib/body_tracking/items_with_quantities.rb
View File

@ -69,6 +69,7 @@ module BodyTracking
# quantity not computable (no formula) or not requiring calculation/computed
if q.formula.blank? || (subitems[q.name].length == items.count)
completed_q[q.name] = subitems.delete(q.name) { {} }
completed_q[q.name].default = [nil, nil]
next
end
@ -81,17 +82,12 @@ module BodyTracking
# quantity with formula has all dependencies satisfied, requires calculation
if deps.empty?
output_ids = items.select { |i| subitems[q.name][i.id].nil? }.map(&:id)
input_q = q.formula_quantities
inputs = items.select { |i| subitems[q.name][i.id].nil? }.map do |i|
[
i,
input_q.map do |i_q|
subitem_data = completed_q[i_q.name][i.id] || [nil, nil]
[i_q.name, subitem_data[0]]
end.to_h
]
inputs = input_q.map { |i_q| [i_q, completed_q[i_q.name].values_at(*output_ids)] }
q.calculate(inputs.to_h).each_with_index do |result, index|
subitems[q.name][output_ids[index]] = result
end
q.calculate(inputs).each { |i, result| subitems[q.name][i.id] = result }
unchecked_q.unshift([q, deps])
next
end