ref: master
plugins/orders/models/orders_plugin/item.rb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 |
class OrdersPlugin::Item < ApplicationRecord attr_accessible :order, :sale, :purchase, :product, :product_id, :price, :name # flag used by items to compare them with products attr_accessor :product_diff Statuses = %w[ordered accepted separated delivered received] DbStatuses = %w[draft planned cancelled] + Statuses UserStatuses = %w[open forgotten planned cancelled] + Statuses StatusText = {}; UserStatuses.map do |status| StatusText[status] = "orders_plugin.models.order.statuses.#{status}" end # should be Order, but can't reference it here so it would create a cyclic reference StatusAccessMap = { 'ordered' => :consumer, 'accepted' => :supplier, 'separated' => :supplier, 'delivered' => :supplier, 'received' => :consumer, } StatusDataMap = {}; StatusAccessMap.each do |status, access| StatusDataMap[status] = "#{access}_#{status}" end StatusDataMap.each do |status, data| quantity = "quantity_#{data}".to_sym price = "price_#{data}".to_sym attr_accessible quantity attr_accessible price end serialize :data belongs_to :order, class_name: '::OrdersPlugin::Order', foreign_key: :order_id, touch: true, inverse_of: :items belongs_to :sale, class_name: '::OrdersPlugin::Sale', foreign_key: :order_id, touch: true, inverse_of: :items belongs_to :purchase, class_name: '::OrdersPlugin::Purchase', foreign_key: :order_id, touch: true, inverse_of: :items belongs_to :product, class_name: '::ProductsPlugin::Product' has_one :supplier, through: :product has_one :profile, through: :order has_one :consumer, through: :order # FIXME: don't work because of load order #if defined? SuppliersPlugin has_many :from_products, through: :product has_one :from_product, through: :product has_many :to_products, through: :product has_one :to_product, through: :product has_many :sources_supplier_products, through: :product has_one :sources_supplier_product, through: :product has_many :supplier_products, through: :product, :class_name => "ProductsPlugin::Product" has_one :supplier_product, through: :product has_many :suppliers, through: :product has_one :supplier, through: :product #end scope :ordered, -> { joins(:order).where 'orders_plugin_orders.status = ?', 'ordered' } scope :for_product, -> (product) { where product_id: product.id } default_scope -> { includes :product } validate :has_order validates_presence_of :product validates_inclusion_of :status, in: DbStatuses before_validation :set_defaults before_save :save_calculated_prices before_save :step_status before_create :sync_fields after_save :update_order extend CurrencyFields::ClassMethods # utility for other classes DefineTotals = proc do StatusDataMap.each do |status, data| quantity = "quantity_#{data}".to_sym price = "price_#{data}".to_sym self.send :define_method, "total_#{quantity}" do |items=nil| items ||= (self.ordered_items rescue nil) || self.items items.collect(&quantity).inject(0){ |sum, q| sum + q.to_f } end self.send :define_method, "total_#{price}" do |items=nil| items ||= (self.ordered_items rescue nil) || self.items items.collect(&price).inject(0){ |sum, p| sum + p.to_f } end has_number_with_locale "total_#{quantity}" has_currency "total_#{price}" end end has_currency :status_quantity has_currency :price StatusDataMap.each do |status, data| quantity = "quantity_#{data}" price = "price_#{data}" has_number_with_locale quantity has_currency price validates_numericality_of quantity, allow_nil: true validates_numericality_of price, allow_nil: true end # Attributes cached from product def name self[:name] || (self.product.name rescue nil) end def price self[:price] || (self.product.price_with_discount || 0 rescue nil) end def price_without_margins self.product.price_without_margins rescue self.price end def unit self.product.unit end def unit_name self.unit.singular if self.unit end def supplier self.product.supplier rescue self.order.profile.self_supplier end def supplier_name if self.product.supplier self.product.supplier.abbreviation_or_name else self.order.profile.short_name end end def calculated_status status = self.order.status index = Statuses.index status next_status = Statuses[index+1] if index next_quantity = "quantity_#{StatusDataMap[next_status]}" if next_status if next_status and self.send next_quantity then next_status else status end end def on_next_status? self.order.status != self.calculated_status end # product used for comparizon when repeating an order # override on subclasses def repeat_product self.product end def next_status_quantity_field actor_name status = StatusDataMap[self.order.next_status actor_name] || 'consumer_ordered' "quantity_#{status}" end def next_status_quantity actor_name self.send self.next_status_quantity_field(actor_name) end def next_status_quantity_set actor_name, value self.send "#{self.next_status_quantity_field actor_name}=", value end def status_quantity_field @status_quantity_field ||= begin status = StatusDataMap[self.status] || 'consumer_ordered' "quantity_#{status}" end end def status_price_field @status_price_field ||= begin status = StatusDataMap[self.status] || 'consumer_ordered' "price_#{status}" end end def status_quantity self.send self.status_quantity_field end def status_quantity= value self.send "#{self.status_quantity_field}=", value end def status_price self.send self.status_price_field end def status_price= value self.send "#{self.status_price_field}=", value end StatusDataMap.each do |status, data| quantity = "quantity_#{data}".to_sym price = "price_#{data}".to_sym define_method "calculated_#{price}" do self.price * self.send(quantity) rescue nil end define_method price do self[price] || self.send("calculated_#{price}") end end def quantity_price_data actor_name data = {flags: {}} statuses = ::OrdersPlugin::Order::Statuses statuses_data = data[:statuses] = {} current = statuses.index(self.status) || 0 next_status = self.order.next_status actor_name next_index = statuses.index(next_status) || current + 1 goto_next = actor_name == StatusAccessMap[next_status] new_price = nil # compare with product if self.product_diff if self.repeat_product and self.repeat_product.available if self.price != self.repeat_product.price new_price = self.repeat_product.price data[:new_price] = self.repeat_product.price_as_currency_number end else data[:flags][:unavailable] = true end end # Fetch data statuses.each.with_index do |status, i| data_field = StatusDataMap[status] access = StatusAccessMap[status] status_data = statuses_data[status] = { flags: { editable: nil, not_modified: nil, empty: nil, filled: nil, overwritten: nil, current: nil, removed: nil, admin: nil, }, price: nil, new_price: nil, quantity: nil, field: data_field, access: access, } quantity = self.send "quantity_#{data_field}" if quantity.present? # quantity is used on <input type=number> so it should not be localized status_data[:quantity] = quantity status_data[:flags][:removed] = true if status_data[:quantity].zero? status_data[:flags][:filled] = true status_data[:price] = self.send "price_#{data_field}_as_currency_number" status_data[:new_price] = quantity * new_price if new_price else status_data[:flags][:empty] = true end if i == current status_data[:flags][:current] = true elsif i == next_index and goto_next status_data[:flags][:admin] = true end break if (if goto_next then i == next_index else i < next_index end) end # Set flags according to past/future data # Present flags are used as classes statuses_data.each.with_index do |(_status, status_data), i| prev_status_data = statuses_data[statuses[i-1]] unless i.zero? if prev_status_data if status_data[:quantity] == prev_status_data[:quantity] status_data[:flags][:not_modified] = true elsif status_data[:flags][:empty] # fill with previous status data status_data[:quantity] = prev_status_data[:quantity] status_data[:price] = prev_status_data[:price] status_data[:flags][:filled] = status_data[:flags].delete :empty status_data[:flags][:not_modified] = true end end end # reverse_each is necessary to set overwritten with intermediate not_modified statuses_data.reverse_each.with_index do |(_status, status_data), i| prev_status_data = statuses_data[statuses[-i-1]] if status_data[:not_modified] or (prev_status_data and prev_status_data[:flags][:filled] and status_data[:quantity] != prev_status_data[:quantity]) status_data[:flags][:overwritten] = true end end # Set access statuses_data.each.with_index do |(status, status_data), i| #consumer_may_edit = actor_name == :consumer and status == 'ordered' and self.order.open? if StatusAccessMap[status] == actor_name status_data[:flags][:editable] = true end # only allow last status #status_data[:flags][:editable] = true if status_data[:access] == actor_name and (status_data[:flags][:admin] or self.order.open?) end data end def calculate_prices price self.price = price self.save_calculated_prices end # used by db/migrate/20150627232432_add_status_to_orders_plugin_item.rb def fill_status status = self.calculated_status return if self.status == status self.update_column :status, status self.order.update_column :building_next_status, true if self.order.status != status and not self.order.building_next_status end def update_order self.order.create_transaction end protected def save_calculated_prices StatusDataMap.each do |status, data| price = "price_#{data}".to_sym self.send "#{price}=", self.send("calculated_#{price}") end end def set_defaults self.status ||= Statuses.first end def step_status status = self.calculated_status return if self.status == status self.status = status self.order.update_column :building_next_status, true if self.order.status != status and not self.order.building_next_status end def has_order self.order or self.sale or self.purchase end def sync_fields self.name = self.product.name self.price = self.product.price end end |