lunch/models/lunch_product.py

130 lines
5.5 KiB
Python

# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.
import base64
from collections import defaultdict
from odoo import api, fields, models, _
from odoo.exceptions import UserError
from odoo.osv import expression
class LunchProduct(models.Model):
""" Products available to order. A product is linked to a specific vendor. """
_name = 'lunch.product'
_description = 'Lunch Product'
_inherit = 'image.mixin'
_order = 'name'
_check_company_auto = True
name = fields.Char('Product Name', required=True, translate=True)
category_id = fields.Many2one('lunch.product.category', 'Product Category', check_company=True, required=True)
description = fields.Html('Description', translate=True)
price = fields.Float('Price', digits='Account', required=True)
supplier_id = fields.Many2one('lunch.supplier', 'Vendor', check_company=True, required=True)
active = fields.Boolean(default=True)
company_id = fields.Many2one('res.company', related='supplier_id.company_id', readonly=False, store=True)
currency_id = fields.Many2one('res.currency', related='company_id.currency_id')
new_until = fields.Date('New Until')
is_new = fields.Boolean(compute='_compute_is_new')
favorite_user_ids = fields.Many2many('res.users', 'lunch_product_favorite_user_rel', 'product_id', 'user_id', check_company=True)
is_favorite = fields.Boolean(compute='_compute_is_favorite', inverse='_inverse_is_favorite')
last_order_date = fields.Date(compute='_compute_last_order_date')
product_image = fields.Image(compute='_compute_product_image')
# This field is used only for searching
is_available_at = fields.Many2one('lunch.location', 'Product Availability', compute='_compute_is_available_at', search='_search_is_available_at')
@api.depends('image_128', 'category_id.image_128')
def _compute_product_image(self):
for product in self:
product.product_image = product.image_128 or product.category_id.image_128
@api.depends('new_until')
def _compute_is_new(self):
today = fields.Date.context_today(self)
for product in self:
if product.new_until:
product.is_new = today <= product.new_until
else:
product.is_new = False
@api.depends_context('uid')
@api.depends('favorite_user_ids')
def _compute_is_favorite(self):
for product in self:
product.is_favorite = self.env.user in product.favorite_user_ids
@api.depends_context('uid')
def _compute_last_order_date(self):
all_orders = self.env['lunch.order'].search([
('user_id', '=', self.env.user.id),
('product_id', 'in', self.ids),
])
mapped_orders = defaultdict(lambda: self.env['lunch.order'])
for order in all_orders:
mapped_orders[order.product_id] |= order
for product in self:
if not mapped_orders[product]:
product.last_order_date = False
else:
product.last_order_date = max(mapped_orders[product].mapped('date'))
def _compute_is_available_at(self):
"""
Is available_at is always false when browsing it
this field is there only to search (see _search_is_available_at)
"""
for product in self:
product.is_available_at = False
def _search_is_available_at(self, operator, value):
supported_operators = ['in', 'not in', '=', '!=']
if not operator in supported_operators:
return expression.TRUE_DOMAIN
if isinstance(value, int):
value = [value]
if operator in expression.NEGATIVE_TERM_OPERATORS:
return expression.AND([[('supplier_id.available_location_ids', 'not in', value)], [('supplier_id.available_location_ids', '!=', False)]])
return expression.OR([[('supplier_id.available_location_ids', 'in', value)], [('supplier_id.available_location_ids', '=', False)]])
def _sync_active_from_related(self):
""" Archive/unarchive product after related field is archived/unarchived """
return self.filtered(lambda p: (p.category_id.active and p.supplier_id.active) != p.active).toggle_active()
def toggle_active(self):
invalid_products = self.filtered(lambda product: not product.active and not product.category_id.active)
if invalid_products:
raise UserError(_("The following product categories are archived. You should either unarchive the categories or change the category of the product.\n%s", '\n'.join(invalid_products.category_id.mapped('name'))))
invalid_products = self.filtered(lambda product: not product.active and not product.supplier_id.active)
if invalid_products:
raise UserError(_("The following suppliers are archived. You should either unarchive the suppliers or change the supplier of the product.\n%s", '\n'.join(invalid_products.supplier_id.mapped('name'))))
return super().toggle_active()
def _inverse_is_favorite(self):
""" Handled in the write() """
return
def write(self, vals):
if 'is_favorite' in vals:
if vals.pop('is_favorite'):
commands = [(4, product.id) for product in self]
else:
commands = [(3, product.id) for product in self]
self.env.user.write({
'favorite_lunch_product_ids': commands,
})
if not vals:
return True
return super().write(vals)