Implement packcode trace.

This commit refs #3285

__init__.py

@@ -3,10 +3,15 @@
 from trytond.pool import Pool
 from .printer import Printer
 from .stock import Location
+from .unit_load import UnitLoadTrace, GetPackCode
 
 
 def register():
     Pool.register(
         Printer,
         Location,
+        GetPackCode,
         module='stock_label_printer', type_='model')
+    Pool.register(
+        UnitLoadTrace,
+        module='stock_label_printer', type_='wizard')

locale/es.po

@@ -12,4 +12,44 @@ msgstr "Ubicación"
 
 msgctxt "error:stock.location:"
 msgid "Invalid trace code \"%s\"."
-msgstr "Código de trazabilidad \"%s\" inválido."
+msgstr "Código de trazabilidad \"%s\" inválido."
+
+msgctxt "field:stock.unit_load.trace.get_pack_code,code:"
+msgid "Pack code"
+msgstr "Código unidad venta"
+
+msgctxt "field:stock.unit_load.trace.get_pack_code,id:"
+msgid "ID"
+msgstr "Identificador"
+
+msgctxt "field:stock.unit_load.trace.get_pack_code,year:"
+msgid "Year"
+msgstr "Año"
+
+msgctxt "model:ir.ui.menu,name:menu_trace"
+msgid "Unit load trace"
+msgstr "Trazabilidad de UdC"
+
+msgctxt "model:stock.unit_load.trace.get_pack_code,name:"
+msgid "Unit load trace get pack code"
+msgstr "Trazabilidad de UdC obtener código de unidad de venta"
+
+msgctxt "wizard_button:stock.unit_load.trace,get_pack_code,end:"
+msgid "Cancel"
+msgstr "Cancelar"
+
+msgctxt "wizard_button:stock.unit_load.trace,get_pack_code,backward_:"
+msgid "Trace"
+msgstr "Trazar"
+
+msgctxt "wizard_button:stock.unit_load.trace,get_pack_code,print_:"
+msgid "Print"
+msgstr "Imprimir"
+
+msgctxt "view:stock.unit_load.trace.get_pack_code:"
+msgid "Unit Load Trace"
+msgstr "Trazabilidad"
+
+msgctxt "report:stock.unit_load.trace_report:"
+msgid "Pack code:"
+msgstr "Código Unidad de venta:"

stock.py

@@ -15,12 +15,14 @@ class Location:
     __metaclass__ = PoolMeta
 
     printers = fields.One2Many('label.printer', 'location', 'Printers',
-                               states={'invisible': ~Eval('type').in_(['storage', 'production'])},
-                               depends=['type'])
+        states={'invisible': ~Eval('type').in_(['storage', 'production'])},
+        depends=['type'])
     trace_code = fields.Char('Trace code', size=2,
-                             states={'readonly': Not(Equal(Eval('type'), 'production')),
-                                     'invisible': Not(Equal(Eval('type'), 'production'))},
-                             depends=['type'])
+        states={
+            'readonly': Not(Equal(Eval('type'), 'production')),
+            'invisible': Not(Equal(Eval('type'), 'production'))
+        },
+        depends=['type'])
 
     @classmethod
     def __setup__(cls):

tryton.cfg

@@ -6,6 +6,10 @@ depends:
   res
   stock
 
+extras_depend:
+    stock_unit_load_trace
+
 xml:
   printer.xml
   stock.xml
+  unit_load.xml

unit_load.py

@@ -0,0 +1,114 @@
+# The COPYRIGHT file at the top level of this repository contains the full
+# copyright notices and license terms.
+import dateutil
+from trytond.model import ModelView, fields
+from trytond.pool import Pool, PoolMeta
+from trytond.pyson import PYSONEncoder
+from trytond.wizard import StateView, Button, StateReport
+from trytond.transaction import Transaction
+import datetime
+
+__all__ = ['UnitLoadTrace', 'GetPackCode']
+
+
+class GetPackCode(ModelView):
+    """Unit load trace get pack code"""
+    __name__ = 'stock.unit_load.trace.get_pack_code'
+
+    code = fields.Char('Pack code', size=6, required=True)
+    year = fields.Char('Year', size=4, required=True)
+
+    @staticmethod
+    def default_year(name=None):
+        return str(datetime.datetime.now().year)
+
+
+class UnitLoadTrace:
+    __name__ = 'stock.unit_load.trace'
+    __metaclass__ = PoolMeta
+
+    get_pack_code = StateView('stock.unit_load.trace.get_pack_code',
+        'stock_label_printer.unit_load_trace_get_pack_code_view_form',
+        [Button('Cancel', 'end', 'tryton-cancel'),
+         Button('Print', 'print_', 'tryton-print'),
+         Button('Trace', 'backward_', 'tryton-find', default=True)],)
+    print_ = StateReport('stock.unit_load.trace_report')
+
+    def transition_start(self):
+        active_model = Transaction().context['active_model']
+        if active_model == 'ir.ui.menu':
+            return 'get_pack_code'
+        return super(UnitLoadTrace, self).transition_start()
+
+    def decode_packcode(self):
+        return self._decode_packcode(self.get_pack_code.code.upper(),
+            self.get_pack_code.year)
+
+    @classmethod
+    def _decode_packcode(cls, packcode, year):
+        pool = Pool()
+        Location = pool.get('stock.location')
+        return Location._decode_trace(packcode.upper(), year)
+
+    def do_backward_(self, action):
+        pool = Pool()
+        Location = pool.get('stock.location')
+        Company = pool.get('company.company')
+
+        if Transaction().context['active_model'] != 'stock.unit_load':
+            production_locations, end_date = self.decode_packcode()
+
+            if not production_locations or not end_date:
+                return action, {}
+
+            company = Company(Transaction().context['company'])
+            lzone = (dateutil.tz.gettz(company.timezone) if company.timezone
+                else dateutil.tz.tzutc())
+            szone = dateutil.tz.tzutc()
+            _date = end_date.replace(tzinfo=szone).astimezone(lzone).replace(
+                tzinfo=None)
+            action['name'] += ' - %s (%s) %s @ %s' % (
+                self.get_pack_code.code.upper(),
+                self.get_pack_code.year,
+                Location(production_locations[0]).rec_name
+                    if production_locations else None,
+                _date)
+
+            traced_unit_loads_ids = self._get_ul_backward_trace(None,
+                packcode=self.get_pack_code.code, year=self.get_pack_code.year)
+            action['pyson_domain'] = PYSONEncoder().encode(
+                [('id', 'in', list(set(traced_unit_loads_ids)) or [0])])
+            return action, {}
+        return super(UnitLoadTrace, self).do_backward_(action)
+
+    @classmethod
+    def _get_ul_backward_trace_domain(cls, unit_load, **kwargs):
+        if not unit_load:
+            assert kwargs.get('packcode') and kwargs.get('year')
+            packcode = kwargs.get('packcode')
+            year = kwargs.get('year')
+
+            production_locations, end_date = cls._decode_packcode(
+                packcode, year)
+            if not production_locations or not end_date:
+                return []
+            start_date = end_date
+            return [
+                ('start_date', '<=', end_date),
+                ('end_date', '>=', start_date),
+                ('to_location', 'in', production_locations),
+                ('state', '=', 'done')]
+
+        return super(UnitLoadTrace, cls)._get_ul_backward_trace_domain(
+            unit_load, **kwargs)
+
+    def do_print_(self, action):
+        traced_unit_loads_ids = set(self._get_ul_backward_trace(None,
+            packcode=self.get_pack_code.code, year=self.get_pack_code.year))
+        action['pyson_domain'] = PYSONEncoder().encode([
+            ('id', 'in', list(traced_unit_loads_ids))])
+        return action, {
+            'ids': list(traced_unit_loads_ids),
+            'packcode': self.get_pack_code.code,
+            'packcode_year': self.get_pack_code.year
+        }

unit_load.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0"?>
+<!-- The COPYRIGHT file at the top level of this repository contains the full
+     copyright notices and license terms. -->
+<tryton>
+    <data depends="stock_unit_load_trace">
+        <!-- UL trace menu -->
+        <record model="ir.ui.view" id="unit_load_trace_get_pack_code_view_form">
+            <field name="model">stock.unit_load.trace.get_pack_code</field>
+            <field name="type">form</field>
+            <field name="name">unit_load_trace_get_pack_code_form</field>
+        </record>
+        <menuitem action="stock_unit_load_trace.wizard_trace" id="menu_trace"
+            parent="stock_unit_load.menu_unit_load" sequence="40"
+            name="Unit load trace"/>
+    </data>
+</tryton>

view/unit_load_trace_get_pack_code_form.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<!-- The COPYRIGHT file at the top level of this repository contains the full
+     copyright notices and license terms. -->
+<form>
+    <label name="code"/>
+    <field name="code"/>
+    <label name="year"/>
+    <field name="year"/>
+</form>