Files
mozo-backend/app/models/list.rb
T
2015-02-10 15:44:46 +01:00

350 lines
12 KiB
Ruby

class List
include SimplyStored::Couch
include ActiveModel::SerializerSupport
include List::JoinRequests
per_page_method :limit_value #kaminari
property :state, default: 'active' # active, #closed
property :needs_help, type: :boolean, default: false
property :needs_payment, type: :boolean, default: false
property :closed_at, type: Time
property :price, type: Float
property :is_paid, type: :boolean, default: false
property :paid_at, type: Time
property :user_requests_closing, type: :boolean, default: false
has_many :orders, dependent: :destroy
belongs_to :table
belongs_to :supplier
belongs_to :section
has_and_belongs_to_many :users, storing_keys: true
has_and_belongs_to_many :employees, storing_keys: true
attr_protected :supplier_id
#validates :table_id, presence: true, table can be deleted
validates :supplier_id, presence: true
view :by_supplier_id_and_id, key: [:supplier_id, :_id]
view :for_supplier_view, key: [:supplier_id, :created_at]
view :active_by_table_id_view, type: :custom, map_function: %|function(doc){
if(doc.ruby_class == 'List' && doc.state == 'active'){
emit(doc.table_id, 1);
}
}|, reduce_function: '_sum'
view :active_by_supplier_id_view, type: :custom, map_function: %|function(doc){
if(doc.ruby_class == 'List' && doc.state == 'active'){
emit(doc.supplier_id, 1);
}
}|, reduce_function: '_sum'
view :active_by_section_id_view, type: :custom, map_function: %|function(doc){
if(doc.ruby_class == 'List' && doc.state == 'active' && doc.section_id){
emit(doc.section_id, 1);
}
}|, reduce_function: '_sum'
view :active_for_supplier_and_section_view, type: :custom, map_function: %[function(doc){
if(doc.ruby_class == 'List' && doc.state == 'active'){
emit([doc.supplier_id, doc.section_id], 1);
}
}], reduce_function: '_sum'
view :active_users_view, type: :custom, map_function: %[function(doc){
if(doc.ruby_class == 'List' && doc.state == 'active'){
doc.user_ids && doc.user_ids.forEach(function(uid){
emit([doc.supplier_id, uid], 1);
})
}
}], reduce_function: '_sum'
view :for_user_view, type: :custom, map_function: %|function(doc){
if(doc.ruby_class == 'List' && doc.user_ids && doc.user_ids.length){
doc.user_ids.forEach(function(uid){
emit([uid, doc.created_at], 1);
})
}
}|, reduce_function: '_sum'
def self.active
database.view(active_by_supplier_id_view(reduce: false, include_docs: true))
end
# Create, a list given a table and a user
def self.from_table table, user
return if user.has_active_list?
list = new table: table, section_id: table.section_id
list.supplier_id = table.supplier_id
list.add_user user
list.save
user.active_list_id = list.id
user.save
# list_added is depricated, now handled by list_update
#list.broadcast_supplier list.supplier_id, 'list_added', list.with_info_as_json
list
end
# Create, a list given a table and a employee
def self.from_table_by_employee table, employee
unless list = table.active_list
list = new table: table, section_id: table.section_id
list.supplier_id = table.supplier_id
list.add_employee employee
list.save
end
list
end
def self.for_supplier(supplier, options = {})
total_entries = database.view(for_supplier_view({startkey: ["#{supplier.id}\u9999"], endkey: [supplier.id], include_docs: false, reduce: true, descending: true}))
options[:total_entries] = total_entries
options[:descending] = true
with_pagination_options(options) do |options|
database.view(for_supplier_view({startkey: ["#{supplier.id}\u9999"], endkey: [supplier.id], include_docs: true, reduce: false, descending: true}.merge(options)))
end
end
def self.active_for_supplier(supplier_id, options = {})
supplier_id = supplier_id.id if supplier_id.is_a?(Supplier)
database.view(active_by_supplier_id_view(key: supplier_id, reduce: false, include_docs: true))
end
def self.active_for_section(section_id, options = {})
database.view(active_by_section_id_view(key: section_id, reduce: false, include_docs: true))
end
# Return all currently active orders for a given section
def self.active_for_supplier_and_section(supplier, section_id, options = {})
database.view(active_for_supplier_and_section_view(key: [supplier.id, section_id], reduce: false, include_docs: true))
end
def self.active_for_table(table_id, options = {})
if table_id.is_a?(Array)
database.view(active_by_table_id_view(options.reverse_merge(keys: table_id, reduce: false, include_docs: true)))
else
table_id = table_id.id if table_id.is_a?(SimplyStored::Couch)
database.view(active_by_table_id_view(options.reverse_merge(key: table_id, reduce: false, include_docs: true)))
end
end
def self.for_user(user, options = {})
total_entries = database.view(for_user_view({startkey: ["#{user.id}\u9999"], endkey: [user.id], include_docs: false, reduce: true, descending: true}))
options[:total_entries] = total_entries
with_pagination_options(options) do |options|
database.view(for_user_view({startkey: ["#{user.id}\u9999"], endkey: [user.id], include_docs: true, reduce: false, descending: true}.merge(options)))
end
end
def self.for_user_created_at(user, range, options = {})
database.view(for_user_view({startkey: [user.id, range.last], endkey: [user.id, range.first], include_docs: true, reduce: false, descending: true}.merge(options)))
end
def self.for_supplier_created_at(supplier, range, options = {})
database.view(for_supplier_view({startkey: [supplier.id, range.last], endkey: [supplier.id, range.first], include_docs: true, reduce: false, descending: true}.merge(options)))
end
def close!
orders.include_relation(:product_orders)
set_price # should not be needed, but extra secure
orders.map(&:close!) # close the connected orders
self.state = 'closed'
self.is_helped! if needs_help?
self.needs_payment = false
self.user_requests_closing = false # if a user requested closing, not needed anymore
self.closed_at = Time.now
if save
broadcast_info = supplier_counter_info.merge(id: id)
for user in users
user.active_list_id = nil
user.save
broadcast_user user.id, 'list_closed', broadcast_info
end
broadcast_supplier supplier_id, 'list_closed', broadcast_info
end
end
def needs_help!
self.needs_help = true
if save
broadcast_users 'list_needs_help', id: id
broadcast_supplier(supplier_id, 'list_needs_help', id: id)
end
end
def is_helped!
self.needs_help = false
if save
broadcast_users 'list_helped', id: id
broadcast_supplier supplier_id, 'list_helped', id: id
end
end
def remove_needs_payment!
self.needs_payment = false
if save
broadcast_users 'remove_list_needs_payment', id: id
broadcast_supplier supplier_id, 'remove_list_needs_payment', id: id
end
end
def needs_payment!
self.needs_payment = true
if save
broadcast_users 'list_needs_payment', id: id
broadcast_supplier supplier_id, 'list_needs_payment', id: id
end
end
def is_paid!
self.is_paid = true
self.needs_payment = false
self.paid_at ||= Time.now
if save
broadcast_users 'list_is_paid', id: id
broadcast_supplier supplier_id, 'list_is_paid', id: id
end
end
# This method is called when a user of the list wants the list
# actively to be closed
def user_requests_closing!
return if user_requests_closing?
self.user_requests_closing = true
if save
broadcast_users 'user_requests_closing', id: id
broadcast_employees 'user_requests_closing', id: id
broadcast_supplier supplier_id, 'user_requests_closing', id: id
end
#pending
end
def move_to_table! to_table
UserTableMove.create list: self, from_table_id: table_id, to_table: to_table
from_table_id = self.table_id.try(:dup)
self.table = to_table
self.section_id = to_table.section_id
if save
# Update the section of an order
orders.each do |order|
order.section_id = self.section_id
order.save
end
# user performs a client side refresh
broadcast_users 'list_changed_table', list_id: id, from_table_id: from_table_id, to_table_id: to_table.id
broadcast_supplier supplier_id, 'list_changed_table', ListSerializer.new(self).as_json
end
end
def unlink_user(user)
changed = join_request_user_ids.delete(user.id)
changed ||= Array.wrap(user_ids).delete(user.id)
if user.active_list_id == id
user.active_list_id = nil
user.save
end
save if changed
end
def relevant_orders
orders.reject(&:cancelled?)
end
# Store the final list price in a property
def set_price
list_total = 0.0
for order in relevant_orders
order_total = 0.0
for product_order in order.product_orders
order_total += (product_order.quantity * product_order.price).round(2)
end
list_total += order_total.round(2)
end
self.price = list_total.round(2)
end
def table_number
@table_number ||= table.try(:number).to_i
end
def active?
state == 'active'
end
def place_order(products: {}, user: nil, employee: nil)
return false unless products.any?
order = Order.create list: self, supplier: supplier, user: user, employee: employee, section_id: section_id, table_id: table_id
return unless order.id
orders_placed_count = supplier.increment_orders_placed_count!
loaded_products = self.class.database.load_document products.keys
products.each do |product_id, quantity|
product = loaded_products.find{|p| p.id == product_id} # to get the price
if quantity.to_i > 0
ProductOrder.create(order: order, product_id: product_id, quantity: quantity, price: product.price, product_name: product.name)
end
end
set_price
save
# broadcast_users 'new_order', order: order.with_products_as_json, total_amount: price
broadcast_users 'new_order', UserExtendedListSerializer.new(order.list).as_json
# broadcast_users 'orders_placed_count', count: orders_placed_count
broadcast_supplier supplier.id, 'list_update', SupplierListSerializer.new(self).as_json.merge(new_order_id: order.id)
# broadcast_supplier supplier.id, 'new_order', OrderSerializer.new(order)
broadcast_supplier supplier.id, 'orders_placed_count', count: orders_placed_count
order
end
def supplier_counter_info
{
supplier_orders_in_process_count: supplier_orders_in_process_count,
supplier_orders_placed_count: supplier_orders_placed_count
}
end
def supplier_orders_in_process_count
Qwaiter::Counter.get(Supplier.orders_in_process_counter_key(supplier_id))
end
def supplier_orders_placed_count
Qwaiter::Counter.get(Supplier.orders_placed_counter_key(supplier_id))
end
def has_active_orders?
Order.count_active_for_supplier_and_list(supplier_id, id) > 0
end
def active_orders
Order.active_for_supplier_and_list(supplier_id, id)
end
def product_categories
supplier.product_categories
end
def with_info_as_json
return @with_info_as_json if @with_info_as_json.present?
hl = as_json
hl[:total_amount] = orders.inject(0.0){|sum, o| sum + o.product_orders.inject(0.0){|s, po| s + (po.quantity * po.price).round(2)}}.round(2)
hl[:section_title] = table.section.try(:title)
@with_info_as_json = hl
end
# should not be private, called from order as well
def broadcast_users(message, content = {})
for user_id in Array.wrap(user_ids)
broadcast_user user_id, message, content
end
end
def broadcast_employees(message, content = {})
#PENDING
end
end