404 lines
15 KiB
Ruby
404 lines
15 KiB
Ruby
class Order < ApplicationRecord
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attr_accessor :ignore_warnings, :transport_distribution
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# Associations
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has_many :order_articles, :dependent => :destroy
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has_many :articles, :through => :order_articles
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has_many :group_orders, :dependent => :destroy
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has_many :ordergroups, :through => :group_orders
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has_many :users_ordered, :through => :ordergroups, :source => :users
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has_many :comments, -> { order('created_at') }, :class_name => "OrderComment"
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has_many :stock_changes
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belongs_to :invoice, optional: true
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belongs_to :supplier, optional: true
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belongs_to :updated_by, :class_name => 'User', :foreign_key => 'updated_by_user_id'
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belongs_to :created_by, :class_name => 'User', :foreign_key => 'created_by_user_id'
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enum end_action: { no_end_action: 0, auto_close: 1, auto_close_and_send: 2, auto_close_and_send_min_quantity: 3 }
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enum transport_distribution: [:skip, :ordergroup, :price, :articles]
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# Validations
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validates_presence_of :starts
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validate :starts_before_ends, :include_articles
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validate :keep_ordered_articles
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# Callbacks
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after_save :save_order_articles, :update_price_of_group_orders!
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before_validation :distribute_transport
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# Finders
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scope :started, -> { where('starts <= ?', Time.now) }
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scope :closed, -> { where(state: 'closed').order(ends: :desc) }
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scope :stockit, -> { where(supplier_id: nil).order(ends: :desc) }
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scope :recent, -> { order(starts: :desc).limit(10) }
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scope :stock_group_order, -> { group_orders.where(ordergroup_id: nil).first }
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scope :with_invoice, -> { where.not(invoice: nil) }
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# State related finders
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# Diagram for `Order.state` looks like this:
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# * -> open -> finished (-> received) -> closed
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# So orders can
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# 1. ...only transition in one direction (e.g. an order that has been `finished` currently cannot be reopened)
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# 2. ...be set to `closed` when having the `finished` state. (`received` is optional)
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scope :open, -> { where(state: 'open').order(ends: :desc) }
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scope :finished, -> { where(state: %w[finished received closed]).order(ends: :desc) }
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scope :finished_not_closed, -> { where(state: %w[finished received]).order(ends: :desc) }
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# Allow separate inputs for date and time
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# with workaround for https://github.com/einzige/date_time_attribute/issues/14
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include DateTimeAttributeValidate
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date_time_attribute :starts, :boxfill, :ends
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def self.ransackable_attributes(auth_object = nil)
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%w(id state supplier_id starts boxfill ends pickup)
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end
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def self.ransackable_associations(auth_object = nil)
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%w(supplier articles order_articles)
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end
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def stockit?
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supplier_id.nil?
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end
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def name
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stockit? ? I18n.t('orders.model.stock') : supplier.name
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end
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def articles_for_ordering
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if stockit?
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# make sure to include those articles which are no longer available
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# but which have already been ordered in this stock order
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StockArticle.available.includes(:article_category)
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.order('article_categories.name', 'articles.name').reject { |a|
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a.quantity_available <= 0 && !a.ordered_in_order?(self)
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}.group_by { |a| a.article_category.name }
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else
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supplier.articles.available.group_by { |a| a.article_category.name }
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end
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end
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def supplier_articles
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if stockit?
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StockArticle.undeleted.reorder('articles.name')
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else
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supplier.articles.undeleted.reorder('articles.name')
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end
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end
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# Save ids, and create/delete order_articles after successfully saved the order
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def article_ids=(ids)
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@article_ids = ids
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end
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def article_ids
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@article_ids ||= order_articles.map { |a| a.article_id.to_s }
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end
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# Returns an array of article ids that lead to a validation error.
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def erroneous_article_ids
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@erroneous_article_ids ||= []
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end
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def open?
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state == "open"
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end
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def finished?
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state == "finished" || state == "received"
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end
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def received?
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state == "received"
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end
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def closed?
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state == "closed"
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end
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def boxfill?
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!!FoodsoftConfig[:use_boxfill] && open? && boxfill.present? && boxfill < Time.now
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end
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def is_boxfill_useful?
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!!FoodsoftConfig[:use_boxfill] && !!supplier.try(:has_tolerance?)
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end
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def expired?
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ends.present? && ends < Time.now
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end
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# sets up first guess of dates when initializing a new object
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# I guess `def initialize` would work, but it's tricky http://stackoverflow.com/questions/1186400
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def init_dates
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self.starts ||= Time.now
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if FoodsoftConfig[:order_schedule]
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# try to be smart when picking a reference day
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last = (DateTime.parse(FoodsoftConfig[:order_schedule][:initial]) rescue nil)
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last ||= Order.finished.reorder(:starts).first.try(:starts)
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last ||= self.starts
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# adjust boxfill and end date
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self.boxfill ||= FoodsoftDateUtil.next_occurrence last, self.starts, FoodsoftConfig[:order_schedule][:boxfill] if is_boxfill_useful?
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self.ends ||= FoodsoftDateUtil.next_occurrence last, self.starts, FoodsoftConfig[:order_schedule][:ends]
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end
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self
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end
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# fetch current Order scope's records and map the current user's GroupOrders in (if any)
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# (performance enhancement as opposed to fetching each GroupOrder separately from the view)
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def self.ordergroup_group_orders_map(ordergroup)
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orders = includes(:supplier)
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group_orders = GroupOrder.where(ordergroup_id: ordergroup.id, order_id: orders.map(&:id))
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group_orders_hash = Hash[group_orders.collect { |go| [go.order_id, go] }]
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orders.map do |order|
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{
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order: order,
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group_order: group_orders_hash[order.id]
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}
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end
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end
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# search GroupOrder of given Ordergroup
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def group_order(ordergroup)
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group_orders.where(:ordergroup_id => ordergroup.id).first
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end
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def stock_group_order
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group_orders.where(:ordergroup_id => nil).first
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end
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# Returns OrderArticles in a nested Array, grouped by category and ordered by article name.
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# The array has the following form:
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# e.g: [["drugs",[teethpaste, toiletpaper]], ["fruits" => [apple, banana, lemon]]]
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def articles_grouped_by_category
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@articles_grouped_by_category ||= order_articles
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.includes([:article_price, :group_order_articles, :article => :article_category])
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.order('articles.name')
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.group_by { |a| a.article.article_category.name }
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.sort { |a, b| a[0] <=> b[0] }
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end
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def articles_sort_by_category
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order_articles.includes(:article).order('articles.name').sort do |a, b|
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a.article.article_category.name <=> b.article.article_category.name
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end
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end
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# Returns the defecit/benefit for the foodcoop
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# Requires a valid invoice, belonging to this order
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# FIXME: Consider order.foodcoop_result
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def profit(options = {})
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markup = options[:without_markup] || false
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if invoice
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groups_sum = markup ? sum(:groups_without_markup) : sum(:groups)
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groups_sum - invoice.net_amount
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end
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end
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# Returns the all round price of a finished order
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# :groups returns the sum of all GroupOrders
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# :clear returns the price without tax, deposit and markup
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# :gross includes tax and deposit. this amount should be equal to suppliers bill
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# :fc, guess what...
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def sum(type = :gross)
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total = 0
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if type == :net || type == :gross || type == :fc
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for oa in order_articles.ordered.includes(:article, :article_price)
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quantity = oa.units * oa.price.unit_quantity
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case type
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when :net
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total += quantity * oa.price.price
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when :gross
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total += quantity * oa.price.gross_price
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when :fc
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total += quantity * oa.price.fc_price
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end
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end
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elsif type == :groups || type == :groups_without_markup
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for go in group_orders.includes(group_order_articles: { order_article: [:article, :article_price] })
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for goa in go.group_order_articles
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case type
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when :groups
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total += goa.result * goa.order_article.price.fc_price
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when :groups_without_markup
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total += goa.result * goa.order_article.price.gross_price
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end
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end
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end
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end
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total
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end
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# Finishes this order. This will set the order state to "finish" and the end property to the current time.
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# Ignored if the order is already finished.
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def finish!(user)
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unless finished?
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Order.transaction do
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# set new order state (needed by notify_order_finished)
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update_attributes!(:state => 'finished', :ends => Time.now, :updated_by => user)
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# Update order_articles. Save the current article_price to keep price consistency
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# Also save results for each group_order_result
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# Clean up
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order_articles.includes(:article).each do |oa|
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oa.update_attribute(:article_price, oa.article.article_prices.first)
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oa.group_order_articles.each do |goa|
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goa.save_results!
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# Delete no longer required order-history (group_order_article_quantities) and
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# TODO: Do we need articles, which aren't ordered? (units_to_order == 0 ?)
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# A: Yes, we do - for redistributing articles when the number of articles
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# delivered changes, and for statistics on popular articles. Records
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# with both tolerance and quantity zero can be deleted.
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# goa.group_order_article_quantities.clear
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end
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end
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# Update GroupOrder prices
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group_orders.each(&:update_price!)
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# Stats
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ordergroups.each(&:update_stats!)
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# Notifications
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NotifyFinishedOrderJob.perform_later(self)
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end
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end
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end
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# Sets order.status to 'close' and updates all Ordergroup.account_balances
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def close!(user, transaction_type = nil)
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raise I18n.t('orders.model.error_closed') if closed?
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update_price_of_group_orders!
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transaction do # Start updating account balances
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charge_group_orders!(user, transaction_type)
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if stockit? # Decreases the quantity of stock_articles
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for oa in order_articles.includes(:article)
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oa.update_results! # Update units_to_order of order_article
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stock_changes.create! :stock_article => oa.article, :quantity => oa.units_to_order * -1
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end
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end
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self.update_attributes! :state => 'closed', :updated_by => user, :foodcoop_result => profit
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end
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end
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# Close the order directly, without automaticly updating ordergroups account balances
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def close_direct!(user)
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raise I18n.t('orders.model.error_closed') if closed?
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comments.create(user: user, text: I18n.t('orders.model.close_direct_message')) unless FoodsoftConfig[:charge_members_manually]
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update_attributes! state: 'closed', updated_by: user
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end
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def send_to_supplier!(user)
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Mailer.deliver_now_with_default_locale do
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Mailer.order_result_supplier(user, self)
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end
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update!(last_sent_mail: Time.now)
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end
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def do_end_action!
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if auto_close?
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finish!(created_by)
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elsif auto_close_and_send?
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finish!(created_by)
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send_to_supplier!(created_by)
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elsif auto_close_and_send_min_quantity?
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finish!(created_by)
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send_to_supplier!(created_by) if sum >= supplier.min_order_quantity.to_r
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end
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end
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def self.finish_ended!
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orders = Order.where.not(end_action: Order.end_actions[:no_end_action]).where(state: 'open').where('ends <= ?', DateTime.now)
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orders.each do |order|
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begin
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order.do_end_action!
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rescue => error
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ExceptionNotifier.notify_exception(error, data: { foodcoop: FoodsoftConfig.scope, order_id: order.id })
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end
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end
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end
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protected
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def starts_before_ends
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delta = Rails.env.test? ? 1 : 0 # since Rails 4.2 tests appear to have time differences, with this validation failing
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errors.add(:ends, I18n.t('orders.model.error_starts_before_ends')) if ends && starts && ends <= (starts - delta)
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errors.add(:ends, I18n.t('orders.model.error_boxfill_before_ends')) if ends && boxfill && ends <= (boxfill - delta)
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errors.add(:boxfill, I18n.t('orders.model.error_starts_before_boxfill')) if boxfill && starts && boxfill <= (starts - delta)
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end
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def include_articles
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errors.add(:articles, I18n.t('orders.model.error_nosel')) if article_ids.empty?
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end
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def keep_ordered_articles
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chosen_order_articles = order_articles.where(article_id: article_ids)
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to_be_removed = order_articles - chosen_order_articles
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to_be_removed_but_ordered = to_be_removed.select { |a| a.quantity > 0 || a.tolerance > 0 }
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unless to_be_removed_but_ordered.empty? || ignore_warnings
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errors.add(:articles, I18n.t(stockit? ? 'orders.model.warning_ordered_stock' : 'orders.model.warning_ordered'))
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@erroneous_article_ids = to_be_removed_but_ordered.map { |a| a.article_id }
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end
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end
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def save_order_articles
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# fetch selected articles
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articles_list = Article.find(article_ids)
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# create new order_articles
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(articles_list - articles).each { |article| order_articles.create(:article => article) }
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# delete old order_articles
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articles.reject { |article| articles_list.include?(article) }.each do |article|
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order_articles.detect { |order_article| order_article.article_id == article.id }.destroy
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end
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end
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private
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def distribute_transport
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return unless group_orders.any?
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case transport_distribution.try(&:to_i)
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when Order.transport_distributions[:ordergroup] then
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amount = transport / group_orders.size
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group_orders.each do |go|
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go.transport = amount.ceil(2)
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end
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when Order.transport_distributions[:price] then
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amount = transport / group_orders.sum(:price)
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group_orders.each do |go|
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go.transport = (amount * go.price).ceil(2)
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end
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when Order.transport_distributions[:articles] then
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amount = transport / group_orders.includes(:group_order_articles).sum(:result)
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group_orders.each do |go|
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go.transport = (amount * go.group_order_articles.sum(:result)).ceil(2)
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end
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end
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end
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# Updates the "price" attribute of GroupOrders or GroupOrderResults
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# This will be either the maximum value of a current order or the actual order value of a finished order.
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def update_price_of_group_orders!
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group_orders.each(&:update_price!)
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end
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def charge_group_orders!(user, transaction_type = nil)
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note = transaction_note
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group_orders.includes(:ordergroup).each do |group_order|
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if group_order.ordergroup
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price = group_order.price * -1 # decrease! account balance
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group_order.ordergroup.add_financial_transaction!(price, note, user, transaction_type, nil, group_order)
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end
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end
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end
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def transaction_note
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I18n.t('orders.model.notice_close', name: name, ends: ends.strftime(I18n.t('date.formats.default')))
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end
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end
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