[ADD] Product Unique Serial setter

.gitignore

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+*.pyc
+*.py~
+.cache
+.idea
+.project
+.pydevproject
+.sync
+.settings
+/docs/_build
+/_bin
+Thumbs.db
+*/ghostdriver.log
+*.csv
+/output
+.venv
+/build
+/dist
+/log
+*.spec
+*.json
+*.xml
+/node_modules

product_unique_serial_picking/README.md

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+Product Unique Serial Number
+==================
+Add a field to product to activate check if is a product unique serial number.
+Add a check constraint to deny stock moves with quantity different to 1 if has unique serial number as True.

product_unique_serial_picking/__init__.py

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+# -*- coding: utf-8 -*-
+import model
+import wizard

product_unique_serial_picking/__openerp__.py

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+# -*- coding: utf-8 -*-
+{
+    'name': "Product Serial Unique Number Picking",
+    'author': "vauxoo",
+    'website': "http://www.vauxoo.com",
+    'category': 'stock',
+    'version': '1.0',
+    'depends': ['stock_no_negative'],
+    'data': [
+        'wizard/product_serial_wizard.xml',
+        "views/product_view.xml",
+        "views/stock_view.xml",
+    ],
+    'demo': [
+        "demo/test_demo.xml",
+    ],
+    'installable': True,
+    'auto_install': False,
+}

product_unique_serial_picking/demo/test_demo.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+    <data noupdate="0">
+
+        <!-- Products -->
+
+        <record id="product_demo_1" model="product.product">
+            <field name="name">Huawei Ascend</field>
+            <field name="track_all" eval="True"/>
+            <field name="check_no_negative" eval="False"/>
+            <field name="categ_id" ref="product.product_category_all"/>
+            <field name="lot_unique_ok" eval="True"/>
+            <field name="standard_price">75.50</field>
+            <field name="list_price">82.25</field>
+        </record>
+
+        <record id="product_demo_2" model="product.product">
+            <field name="name">Nokia 2630</field>
+            <field name="track_all" eval="True"/>
+            <field name="check_no_negative" eval="True"/>
+            <field name="categ_id" ref="product.product_category_all"/>
+            <field name="lot_unique_ok" eval="True"/>
+            <field name="standard_price">35.50</field>
+            <field name="list_price">42.28</field>
+        </record>
+
+        <!-- Sales Orders -->
+
+        <record id="serial_number_demo_1" model="stock.production.lot">
+            <field name="name">86137801852514</field>
+            <field name="product_id" ref="product_demo_1"/>
+        </record>
+
+        <record id="serial_number_demo_2" model="stock.production.lot">
+            <field name="name">86137801852515</field>
+            <field name="product_id" ref="product_demo_1"/>
+        </record>
+
+        <record id="serial_number_demo_3" model="stock.production.lot">
+            <field name="name">86137801852516</field>
+            <field name="product_id" ref="product_demo_1"/>
+        </record>
+
+    </data>
+</openerp>

product_unique_serial_picking/model/__init__.py

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+# -*- coding: utf-8 -*-
+import product
+import stock

product_unique_serial_picking/model/product.py

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+# -*- coding: utf-8 -*-
+from openerp import fields, models
+
+
+class ProductTemplate(models.Model):
+    _inherit = 'product.template'
+
+    lot_unique_ok = fields.Boolean('Unique lot',
+                                   help='Forces set qty=1 '
+                                        'to specify a Unique '
+                                        'Serial Number for '
+                                        'all moves')

product_unique_serial_picking/model/stock.py

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+# -*- coding: utf-8 -*-
+
+from openerp import _, api, fields, exceptions, models
+
+
+class StockProductionLot(models.Model):
+    _inherit = 'stock.production.lot'
+
+    @api.one
+    @api.depends('quant_ids')
+    def _get_last_location_id(self):
+        last_quant_data = self.env['stock.quant'].search_read(
+            [('id', 'in', self.quant_ids.ids)],
+            ['location_id'],
+            order='in_date DESC, id DESC',
+            limit=1)
+        if last_quant_data:
+            self.last_location_id = last_quant_data[0][
+                'location_id'][0]
+        else:
+            self.last_location_id = False
+
+    last_location_id = fields.Many2one(
+        'stock.location',
+        string="Last location",
+        compute='_get_last_location_id',
+        store=True)  # TODO: Fix fails recomputed
+
+    # Overwrite field to deny create serial number duplicated
+    ref = fields.Char('Internal Reference',
+                      help="Internal reference number"
+                           " in this case it"
+                           " is same of manufacturer's"
+                           " serial number",
+                      related="name", store=True, readonly=True)
+
+
+class StockMove(models.Model):
+    _inherit = 'stock.move'
+
+    def check_after_action_done(self, cr, uid, operation_or_move,
+                                lot_id=None, context=None):
+        super(StockMove, self).check_after_action_done(
+            cr, uid, operation_or_move,
+            lot_id, context=context)
+        return self.check_unicity_qty_available(
+            cr, uid, operation_or_move,
+            lot_id, context=context)
+
+    def check_unicity_move_qty(self, cr, uid, ids, context=None):
+        """
+        Check move quantity to verify that has qty = 1
+        if 'lot unique' is ok on product
+        """
+        if not isinstance(ids, list):
+            ids = [ids]
+        for move in self.browse(cr, uid, ids, context=context):
+            if move.product_id.lot_unique_ok:
+                for move_operation in \
+                        move.linked_move_operation_ids:
+                    if abs(move_operation.qty) > 1:
+                        raise exceptions.ValidationError(_(
+                            "Product '%s' has active"
+                            " 'unique lot' "
+                            "but has qty > 1"
+                            ) % (move.product_id.name))
+
+    def check_unicity_qty_available(self, cr, uid, operation_or_move,
+                                    lot_id,
+                                    context=None):
+        """
+        Check quantity on hand to verify that has qty = 1
+        if 'lot unique' is ok on product
+        """
+        if operation_or_move.product_id.lot_unique_ok and lot_id:
+            ctx = context.copy()
+            ctx.update({'lot_id': lot_id})
+            product_ctx = self.pool.get('product.product').browse(
+                cr, uid, [operation_or_move.product_id.id],
+                context=ctx)[0]
+            qty = product_ctx.qty_available
+            if not 0 <= qty <= 1:
+                lot = self.pool.get('stock.production.lot').browse(
+                    cr, uid, [lot_id])[0]
+                raise exceptions.ValidationError(_(
+                    "Product '%s' has active "
+                    "'unique lot'\n"
+                    "but with this move "
+                    "you will have a quantity of "
+                    "'%s' in lot '%s'"
+                    ) % (operation_or_move.product_id.name, qty, lot.name))
+        return True
+
+    def check_tracking(self, cr, uid, move, lot_id, context=None):
+        res = super(StockMove, self).check_tracking(
+            cr, uid, move, lot_id, context=context)
+        self.check_unicity_move_qty(cr, uid, [move.id], context=context)
+        return res