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use plain Ruby memoization to fix deprecation (closes #121)

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wvengen 2013-09-18 22:45:57 +02:00
parent 6b0146eb95
commit c7f28a3b5c
2 changed files with 41 additions and 41 deletions
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72
app/models/group_order_article.rb
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@ -2,7 +2,6 @@
# The chronologically order of the Ordergroup - activity are stored in GroupOrderArticleQuantity
#
class GroupOrderArticle < ActiveRecord::Base
extend ActiveSupport::Memoizable # Ability to cache method results. Use memoize :expensive_method
belongs_to :group_order
belongs_to :order_article
@ -101,54 +100,55 @@ class GroupOrderArticle < ActiveRecord::Base
#
# See description of the ordering algorithm in the general application documentation for details.
def calculate_result
quantity = tolerance = 0
stockit = order_article.article.is_a?(StockArticle)
@calculate_result ||= begin
quantity = tolerance = 0
stockit = order_article.article.is_a?(StockArticle)
# Get total
total = stockit ? order_article.article.quantity : order_article.units_to_order * order_article.price.unit_quantity
logger.debug("<#{order_article.article.name}>.unitsToOrder => items ordered: #{order_article.units_to_order} => #{total}")
# Get total
total = stockit ? order_article.article.quantity : order_article.units_to_order * order_article.price.unit_quantity
logger.debug("<#{order_article.article.name}>.unitsToOrder => items ordered: #{order_article.units_to_order} => #{total}")
if (total > 0)
# In total there are enough units ordered. Now check the individual result for the ordergroup (group_order).
#
# Get all GroupOrderArticleQuantities for this OrderArticle...
order_quantities = GroupOrderArticleQuantity.all(
:conditions => ["group_order_article_id IN (?)", order_article.group_order_article_ids], :order => 'created_on')
logger.debug("GroupOrderArticleQuantity records found: #{order_quantities.size}")
if (total > 0)
# In total there are enough units ordered. Now check the individual result for the ordergroup (group_order).
#
# Get all GroupOrderArticleQuantities for this OrderArticle...
order_quantities = GroupOrderArticleQuantity.all(
:conditions => ["group_order_article_id IN (?)", order_article.group_order_article_ids], :order => 'created_on')
logger.debug("GroupOrderArticleQuantity records found: #{order_quantities.size}")
# Determine quantities to be ordered...
total_quantity = i = 0
while (i < order_quantities.size && total_quantity < total)
q = (order_quantities[i].quantity <= total - total_quantity ? order_quantities[i].quantity : total - total_quantity)
total_quantity += q
if (order_quantities[i].group_order_article_id == self.id)
logger.debug("increasing quantity by #{q}")
quantity += q
end
i += 1
end
# Determine tolerance to be ordered...
if (total_quantity < total)
logger.debug("determining additional items to be ordered from tolerance")
i = 0
# Determine quantities to be ordered...
total_quantity = i = 0
while (i < order_quantities.size && total_quantity < total)
q = (order_quantities[i].tolerance <= total - total_quantity ? order_quantities[i].tolerance : total - total_quantity)
q = (order_quantities[i].quantity <= total - total_quantity ? order_quantities[i].quantity : total - total_quantity)
total_quantity += q
if (order_quantities[i].group_order_article_id == self.id)
logger.debug("increasing tolerance by #{q}")
tolerance += q
logger.debug("increasing quantity by #{q}")
quantity += q
end
i += 1
end
# Determine tolerance to be ordered...
if (total_quantity < total)
logger.debug("determining additional items to be ordered from tolerance")
i = 0
while (i < order_quantities.size && total_quantity < total)
q = (order_quantities[i].tolerance <= total - total_quantity ? order_quantities[i].tolerance : total - total_quantity)
total_quantity += q
if (order_quantities[i].group_order_article_id == self.id)
logger.debug("increasing tolerance by #{q}")
tolerance += q
end
i += 1
end
end
logger.debug("determined quantity/tolerance/total: #{quantity} / #{tolerance} / #{quantity + tolerance}")
end
logger.debug("determined quantity/tolerance/total: #{quantity} / #{tolerance} / #{quantity + tolerance}")
{:quantity => quantity, :tolerance => tolerance, :total => quantity + tolerance}
end
{:quantity => quantity, :tolerance => tolerance, :total => quantity + tolerance}
end
memoize :calculate_result
# Returns order result,
# either calcualted on the fly or fetched from result attribute