add stock_request in 11.0

stock_request/models/stock_request_allocation.py

@@ -0,0 +1,65 @@
+# Copyright 2017 Eficent Business and IT Consulting Services, S.L.
+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html).
+
+from odoo import api, fields, models
+
+
+class StockRequestAllocation(models.Model):
+    _name = 'stock.request.allocation'
+    _description = 'Stock Request Allocation'
+
+    stock_request_id = fields.Many2one(string='Stock Request',
+                                       comodel_name='stock.request',
+                                       required=True, ondelete='cascade',
+                                       )
+    stock_move_id = fields.Many2one(string='Stock Move',
+                                    comodel_name='stock.move',
+                                    required=True, ondelete='cascade',
+                                    )
+    product_id = fields.Many2one(string='Product',
+                                 comodel_name='product.product',
+                                 related='stock_request_id.product_id',
+                                 readonly=True,
+                                 )
+    product_uom_id = fields.Many2one(string='UoM', comodel_name='product.uom',
+                                     related='stock_request_id.product_uom_id',
+                                     readonly=True,
+                                     )
+    requested_product_uom_qty = fields.Float(
+        'Requested Quantity (UoM)',
+        help='Quantity of the stock request allocated to the stock move, '
+             'in the UoM of the Stock Request',
+    )
+    requested_product_qty = fields.Float(
+        'Requested Quantity',
+        help='Quantity of the stock request allocated to the stock move, '
+             'in the default UoM of the product',
+        compute='_compute_requested_product_qty'
+    )
+    allocated_product_qty = fields.Float(
+        'Allocated Quantity',
+        help='Quantity of the stock request allocated to the stock move, '
+             'in the default UoM of the product',
+    )
+    open_product_qty = fields.Float('Open Quantity',
+                                    compute='_compute_open_product_qty')
+
+    @api.depends('stock_request_id.product_id',
+                 'stock_request_id.product_uom_id',
+                 'requested_product_uom_qty')
+    def _compute_requested_product_qty(self):
+        for rec in self:
+            rec.requested_product_qty = rec.product_uom_id._compute_quantity(
+                rec.requested_product_uom_qty, rec.product_id.uom_id)
+
+    @api.depends('requested_product_qty', 'allocated_product_qty',
+                 'stock_move_id', 'stock_move_id.state')
+    def _compute_open_product_qty(self):
+        for rec in self:
+            if rec.stock_move_id.state == 'cancel':
+                rec.open_product_qty = 0.0
+            else:
+                rec.open_product_qty = \
+                    rec.requested_product_qty - rec.allocated_product_qty
+                if rec.open_product_qty < 0.0:
+                    rec.open_product_qty = 0.0