This repository was archived by the owner on Jan 2, 2023. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 2
Expand file tree
/
Copy pathpurchase.py
More file actions
749 lines (653 loc) · 25.8 KB
/
purchase.py
File metadata and controls
749 lines (653 loc) · 25.8 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
# This file is part of Tryton. The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
from decimal import Decimal
from itertools import chain
from sql.functions import CharLength
from trytond import backend
from trytond.i18n import gettext
from trytond.model import (
Index, ModelSQL, ModelView, Workflow, fields, sequence_ordered)
from trytond.model.exceptions import AccessError, RequiredValidationError
from trytond.modules.company.model import (
employee_field, reset_employee, set_employee)
from trytond.modules.currency.fields import Monetary
from trytond.modules.product import price_digits, round_price
from trytond.pool import Pool, PoolMeta
from trytond.pyson import Bool, Eval, Id, If
from trytond.tools import firstline, grouped_slice
from trytond.transaction import Transaction
from trytond.wizard import Wizard
class Configuration(metaclass=PoolMeta):
__name__ = 'purchase.configuration'
purchase_requisition_sequence = fields.MultiValue(fields.Many2One(
'ir.sequence', "Purchase Requisition Sequence", required=True,
domain=[
('company', 'in',
[Eval('context', {}).get('company', -1), None]),
('sequence_type', '=',
Id('purchase_requisition',
'sequence_type_purchase_requisition')),
]))
@classmethod
def multivalue_model(cls, field):
pool = Pool()
if field == 'purchase_requisition_sequence':
return pool.get('purchase.configuration.sequence')
return super(Configuration, cls).multivalue_model(field)
@classmethod
def default_purchase_requisition_sequence(cls, **pattern):
return cls.multivalue_model('purchase_requisition_sequence'
).default_purchase_requisition_sequence()
class ConfigurationSequence(metaclass=PoolMeta):
__name__ = 'purchase.configuration.sequence'
purchase_requisition_sequence = fields.Many2One(
'ir.sequence', "Purchase Requisition Sequence", required=True,
domain=[
('company', 'in', [Eval('company', -1), None]),
('sequence_type', '=',
Id('purchase_requisition',
'sequence_type_purchase_requisition')),
])
@classmethod
def __register__(cls, module_name):
exist = backend.TableHandler.table_exist(cls._table)
if exist:
table = cls.__table_handler__(module_name)
exist &= table.column_exist('purchase_requisition_sequence')
super(ConfigurationSequence, cls).__register__(module_name)
if not exist:
cls._migrate_property([], [], [])
@classmethod
def _migrate_property(cls, field_names, value_names, fields):
field_names.append('purchase_requisition_sequence')
value_names.append('purchase_requisition_sequence')
super(ConfigurationSequence, cls)._migrate_property(
field_names, value_names, fields)
@classmethod
def default_purchase_requisition_sequence(cls):
pool = Pool()
ModelData = pool.get('ir.model.data')
try:
return ModelData.get_id(
'purchase_requisition', 'sequence_purchase_requisition')
except KeyError:
return None
class PurchaseRequisition(Workflow, ModelSQL, ModelView):
"Purchase Requisition"
__name__ = 'purchase.requisition'
_rec_name = 'number'
_states = {
'readonly': Eval('state') != 'draft',
}
company = fields.Many2One(
'company.company', "Company", required=True,
states={
'readonly': (Eval('state') != 'draft') | Eval('lines', [0]),
})
number = fields.Char('Number', readonly=True)
description = fields.Char('Description', states=_states)
employee = fields.Many2One(
'company.employee', 'Employee', required=True, states=_states)
supply_date = fields.Date(
'Supply Date',
states={
'required': ~Eval('state').in_(['draft', 'cancelled']),
'readonly': _states['readonly'],
})
warehouse = fields.Many2One(
'stock.location', 'Warehouse',
domain=[
('type', '=', 'warehouse'),
],
states=_states)
currency = fields.Many2One(
'currency.currency', 'Currency',
states={
'readonly': (_states['readonly']
| (Eval('lines', [0]) & Eval('currency'))),
})
total_amount = fields.Function(
Monetary("Total", currency='currency', digits='currency'),
'get_amount')
total_amount_cache = Monetary(
"Total Cache", currency='currency', digits='currency')
lines = fields.One2Many(
'purchase.requisition.line', 'requisition', 'Lines',
states=_states)
approved_by = employee_field(
"Approved By", states=['approved', 'processing', 'done', 'cancelled'])
rejected_by = employee_field(
"Rejected By", states=['rejected', 'processing', 'done', 'cancelled'])
state = fields.Selection([
('draft', "Draft"),
('waiting', "Waiting"),
('rejected', "Rejected"),
('approved', "Approved"),
('processing', "Processing"),
('done', "Done"),
('cancelled', "Cancelled"),
], "State", readonly=True, required=True, sort=False)
del _states
@classmethod
def __setup__(cls):
cls.number.search_unaccented = False
super(PurchaseRequisition, cls).__setup__()
t = cls.__table__()
cls._sql_indexes.add(
Index(
t,
(t.state, Index.Equality()),
where=t.state.in_([
'draft', 'waiting', 'approved', 'processing'])))
cls._transitions |= set((
('cancelled', 'draft'),
('rejected', 'draft'),
('draft', 'cancelled'),
('draft', 'waiting'),
('waiting', 'draft'),
('waiting', 'rejected'),
('waiting', 'approved'),
('approved', 'processing'),
('approved', 'draft'),
('processing', 'done'),
('done', 'processing'),
))
cls._buttons.update({
'cancel': {
'invisible': Eval('state') != 'draft',
'depends': ['state'],
},
'draft': {
'invisible': ~Eval('state').in_(
['cancelled', 'waiting', 'approved', 'rejected']),
'icon': If(Eval('state').in_(['cancelled', 'rejected']),
'tryton-undo',
'tryton-back'),
'depends': ['state'],
},
'wait': {
'pre_validate': [('supply_date', '!=', None)],
'invisible': ((Eval('state') != 'draft')
| ~Eval('lines', [])),
'readonly': ~Eval('lines', []),
'depends': ['state'],
},
'approve': {
'invisible': Eval('state') != 'waiting',
'depends': ['state'],
},
'process': {
'invisible': ~Eval('state').in_(
['approved', 'processing']),
'icon': If(Eval('state') == 'approved',
'tryton-forward', 'tryton-refresh'),
'depends': ['state'],
},
'reject': {
'invisible': Eval('state') != 'waiting',
'depends': ['state'],
},
})
# The states where amounts are cached
cls._states_cached = ['approved', 'done', 'rejected',
'processing', 'cancelled']
@classmethod
def __register__(cls, module_name):
cursor = Transaction().connection.cursor()
table = cls.__table__()
super().__register__(module_name)
# Migration from 5.6: rename state cancel to cancelled
cursor.execute(*table.update(
[table.state], ['cancelled'],
where=table.state == 'cancel'))
@classmethod
def order_number(cls, tables):
table, _ = tables[None]
return [CharLength(table.number), table.number]
@classmethod
def default_state(cls):
return 'draft'
@classmethod
def default_company(cls):
return Transaction().context.get('company')
@classmethod
def default_employee(cls):
return Transaction().context.get('employee')
@classmethod
def default_warehouse(cls):
Location = Pool().get('stock.location')
return Location.get_default_warehouse()
@classmethod
def default_currency(cls):
Company = Pool().get('company.company')
company = Transaction().context.get('company')
if company:
return Company(company).currency.id
@fields.depends('lines', 'currency')
def on_change_with_total_amount(self):
self.total_amount = Decimal('0.0')
if self.lines:
for line in self.lines:
self.total_amount += getattr(line, 'amount', None) or 0
if self.currency:
self.total_amount = self.currency.round(self.total_amount)
return self.total_amount
@classmethod
def store_cache(cls, requisitions):
for requisition in requisitions:
requisition.total_amount_cache = requisition.total_amount
cls.save(requisitions)
@classmethod
def get_amount(cls, requisitions, name):
total_amount = {}
# Sort cached first and re-instantiate to optimize cache management
requisitions = sorted(requisitions,
key=lambda r: r.state in cls._states_cached, reverse=True)
requisitions = cls.browse(requisitions)
for requisition in requisitions:
if (requisition.state in cls._states_cached
and requisition.total_amount_cache is not None):
total_amount[requisition.id] = requisition.total_amount_cache
else:
total_amount[requisition.id] = (
requisition.on_change_with_total_amount())
return total_amount
@classmethod
def create_requests(cls, requisitions):
pool = Pool()
Request = pool.get('purchase.request')
requests = []
for requisition in requisitions:
for line in requisition.lines:
request = line.compute_request()
if request:
requests.append(request)
if requests:
Request.save(requests)
@classmethod
def view_attributes(cls):
return super().view_attributes() + [
('/tree', 'visual',
If(Eval('state') == 'cancelled', 'muted', '')),
]
@classmethod
def create(cls, vlist):
pool = Pool()
Config = pool.get('purchase.configuration')
config = Config(1)
vlist = [v.copy() for v in vlist]
default_company = cls.default_company()
for values in vlist:
if values.get('number') is None:
values['number'] = config.get_multivalue(
'purchase_requisition_sequence',
company=values.get('company', default_company)).get()
return super(PurchaseRequisition, cls).create(vlist)
@classmethod
def delete(cls, requisitions):
# Cancel before delete
cls.cancel(requisitions)
for requisition in requisitions:
if requisition.state != 'cancelled':
raise AccessError(
gettext('purchase_requisition.msg_delete_cancel',
requisition=requisition.rec_name))
super(PurchaseRequisition, cls).delete(requisitions)
def check_for_waiting(self):
if not self.warehouse:
for line in self.lines:
if line.product and line.product.type in {'goods', 'assets'}:
raise RequiredValidationError(
gettext('purchase_requisition.msg_warehouse_required',
requisition=self.rec_name))
@classmethod
def copy(cls, requisitions, default=None):
if default is None:
default = {}
else:
default = default.copy()
default.setdefault('number', None)
default.setdefault('supply_date', None)
default.setdefault('approved_by')
default.setdefault('rejected_by')
return super(PurchaseRequisition, cls).copy(
requisitions, default=default)
@classmethod
@ModelView.button
@Workflow.transition('cancelled')
def cancel(cls, requisitions):
cls.store_cache(requisitions)
@classmethod
@ModelView.button
@Workflow.transition('draft')
@reset_employee('approved_by', 'rejected_by')
def draft(cls, requisitions):
pass
@classmethod
@ModelView.button
@Workflow.transition('waiting')
def wait(cls, requisitions):
for requisition in requisitions:
requisition.check_for_waiting()
@classmethod
@ModelView.button
@Workflow.transition('rejected')
@set_employee('rejected_by')
def reject(cls, requisitions):
pass
@classmethod
@ModelView.button
@Workflow.transition('approved')
@set_employee('approved_by')
def approve(cls, requisitions):
pool = Pool()
Configuration = pool.get('purchase.configuration')
transaction = Transaction()
context = transaction.context
cls.store_cache(requisitions)
config = Configuration(1)
with transaction.set_context(
queue_scheduled_at=config.purchase_process_after,
queue_batch=context.get('queue_batch', True)):
cls.__queue__.process(requisitions)
@classmethod
@Workflow.transition('processing')
def proceed(cls, requisitions):
pass
@classmethod
@Workflow.transition('done')
def do(cls, requisitions):
pass
@classmethod
@ModelView.button
def process(cls, requisitions):
done = []
process = []
requisitions = [r for r in requisitions
if r.state in {'approved', 'processing', 'done'}]
cls.create_requests(requisitions)
for requisition in requisitions:
if requisition.is_done():
if requisition.state != 'done':
done.append(requisition)
elif requisition.state != 'processing':
process.append(requisition)
if process:
cls.proceed(process)
if done:
cls.do(done)
def is_done(self):
return all(
r.purchase and r.purchase.state in {'cancelled', 'confirmed'}
for l in self.lines for r in l.purchase_requests)
class PurchaseRequisitionLine(sequence_ordered(), ModelSQL, ModelView):
"Purchase Requisition Line"
__name__ = 'purchase.requisition.line'
_states = {
'readonly': Eval('purchase_requisition_state') != 'draft',
}
requisition = fields.Many2One(
'purchase.requisition', 'Requisition',
ondelete='CASCADE', required=True)
supplier = fields.Many2One('party.party', 'Supplier', states=_states)
product = fields.Many2One(
'product.product', 'Product',
ondelete='RESTRICT',
domain=[
('purchasable', '=', True),
],
states=_states)
product_uom_category = fields.Function(
fields.Many2One('product.uom.category', "Product UOM Category"),
'on_change_with_product_uom_category')
description = fields.Text("Description", states=_states)
summary = fields.Function(fields.Char('Summary'), 'on_change_with_summary')
quantity = fields.Float(
"Quantity", digits='unit', required=True, states=_states)
unit = fields.Many2One(
'product.uom', 'Unit', ondelete='RESTRICT',
states={
'required': Bool(Eval('product')),
'readonly': _states['readonly'],
})
unit_price = Monetary(
'Unit Price', currency='currency', digits=price_digits, states=_states)
currency = fields.Function(fields.Many2One('currency.currency',
'Currency'), 'on_change_with_currency')
amount = fields.Function(Monetary(
"Amount", currency='currency', digits='currency'),
'on_change_with_amount')
purchase_requests = fields.One2Many(
'purchase.request', 'origin', 'Purchase Request', readonly=True)
purchase_requisition_state = fields.Function(fields.Selection(
'get_purchase_requisition_states', "Purchase Requisition State"),
'on_change_with_purchase_requisition_state')
del _states
@classmethod
def __setup__(cls):
super().__setup__()
cls.__access__.add('requisition')
unit_categories = cls._unit_categories()
cls.unit.domain = [
If(Bool(Eval('product_uom_category')),
('category', 'in', [Eval(c) for c in unit_categories]),
('category', '!=', -1)),
]
@classmethod
def _unit_categories(cls):
return ['product_uom_category']
@fields.depends('product')
def on_change_with_product_uom_category(self, name=None):
if self.product:
return self.product.default_uom_category.id
@fields.depends('requisition', '_parent_requisition.currency')
def on_change_with_currency(self, name=None):
if self.requisition and self.requisition.currency:
return self.requisition.currency.id
@classmethod
def get_purchase_requisition_states(cls):
pool = Pool()
Requisition = pool.get('purchase.requisition')
return Requisition.fields_get(['state'])['state']['selection']
@fields.depends('requisition', '_parent_requisition.state')
def on_change_with_purchase_requisition_state(self, name=None):
if self.requisition:
return self.requisition.state
@fields.depends('product', 'unit', 'quantity', 'supplier')
def on_change_product(self):
if not self.product:
return
category = self.product.purchase_uom.category
if not self.unit or self.unit.category != category:
self.unit = self.product.purchase_uom
@fields.depends('description')
def on_change_with_summary(self, name=None):
return firstline(self.description or '')
@fields.depends(
'quantity', 'unit_price',
'requisition', '_parent_requisition.currency')
def on_change_with_amount(self, name=None):
if (self.unit_price is None) or (self.quantity is None):
return None
amount = Decimal(str(self.quantity)) * self.unit_price
if self.requisition.currency:
amount = self.requisition.currency.round(amount)
return amount
def get_rec_name(self, name):
pool = Pool()
Lang = pool.get('ir.lang')
if self.product:
lang = Lang.get()
return (lang.format_number_symbol(
self.quantity or 0, self.unit, digits=self.unit.digits)
+ ' %s @ %s' % (
self.product.rec_name, self.requisition.rec_name))
else:
return self.requisition.rec_name
def _get_purchase_request_product_supplier_pattern(self):
pattern = {
'company': self.requisition.company.id,
}
if self.supplier:
pattern['party'] = self.supplier.id
return pattern
@property
def request_unit(self):
unit = self.unit
if (self.product
and self.product.purchase_uom.category == self.unit.category):
unit = self.product.purchase_uom
return unit
@property
def request_quantity(self):
pool = Pool()
Uom = pool.get('product.uom')
quantity = self.quantity
request_unit = self.request_unit
if (self.product
and request_unit
and request_unit.category == self.unit.category):
quantity = Uom.compute_qty(
self.unit, self.quantity, request_unit, round=True)
return quantity
@property
def request_unit_price(self):
return self.unit_price
def compute_request(self):
"""
Return the value of the purchase request which will answer to
the needed quantity at the given date.
"""
pool = Pool()
Uom = pool.get('product.uom')
Request = pool.get('purchase.request')
if self.purchase_requests:
return
supply_date = self.requisition.supply_date
supplier = None
purchase_date = None
if self.product:
supplier, purchase_date = Request.find_best_supplier(
self.product, supply_date,
**self._get_purchase_request_product_supplier_pattern())
elif self.supplier:
lead_time = self.supplier.get_multivalue(
'supplier_lead_time', company=self.requisition.company.id)
if lead_time is not None:
purchase_date = supply_date - lead_time
uom = self.request_unit
quantity = self.request_quantity
if (self.product
and self.product.purchase_uom.category == self.unit.category):
uom = self.product.purchase_uom
quantity = Uom.compute_qty(self.unit, self.quantity,
uom, round=True)
return Request(
product=self.product,
description=self.description,
party=supplier or self.supplier,
quantity=quantity,
uom=uom,
computed_quantity=self.quantity,
computed_uom=self.unit,
purchase_date=purchase_date,
supply_date=supply_date,
company=self.requisition.company,
warehouse=self.requisition.warehouse,
origin=self,
)
@classmethod
def copy(cls, lines, default=None):
if default is None:
default = {}
else:
default = default.copy()
default.setdefault('purchase_requests')
return super(PurchaseRequisitionLine, cls).copy(lines, default=default)
class PurchaseRequest(metaclass=PoolMeta):
__name__ = 'purchase.request'
@classmethod
def _get_origin(cls):
return (super(PurchaseRequest, cls)._get_origin()
| {'purchase.requisition.line'})
@property
def currency(self):
pool = Pool()
RequisitionLine = pool.get('purchase.requisition.line')
currency = super(PurchaseRequest, self).currency
if (isinstance(self.origin, RequisitionLine)
and self.origin.requisition.currency):
return self.origin.requisition.currency
return currency
class HandlePurchaseCancellationException(metaclass=PoolMeta):
__name__ = 'purchase.request.handle.purchase.cancellation'
def transition_reset(self):
pool = Pool()
Requisition = pool.get('purchase.requisition')
RequisitionLine = pool.get('purchase.requisition.line')
state = super(
HandlePurchaseCancellationException, self).transition_reset()
requests = self.records
requisition_ids = list({r.origin.requisition.id for r in requests
if isinstance(r.origin, RequisitionLine)})
Requisition.process(Requisition.browse(requisition_ids))
return state
class CreatePurchase(Wizard):
'Create Purchase'
__name__ = 'purchase.request.create_purchase'
def _group_purchase_line_key(self, request):
pool = Pool()
RequisitionLine = pool.get('purchase.requisition.line')
key = super(CreatePurchase, self)._group_purchase_line_key(request)
if isinstance(request.origin, RequisitionLine):
unit_price = request.origin.request_unit_price
if unit_price:
key += (('unit_price', unit_price),)
return key
@classmethod
def compute_purchase_line(cls, key, requests, purchase):
pool = Pool()
RequisitionLine = pool.get('purchase.requisition.line')
Uom = pool.get('product.uom')
line = super().compute_purchase_line(key, requests, purchase)
key_values = dict(key)
if (key_values.get('unit_price') is not None
and any(
isinstance(r.origin, RequisitionLine) for r in requests)):
line.unit_price = round_price(
Uom.compute_price(
key_values.get('unit', line.unit),
key_values['unit_price'],
line.unit))
return line
class Purchase(metaclass=PoolMeta):
__name__ = 'purchase.purchase'
@classmethod
def _process_requisition(cls, purchases):
pool = Pool()
Request = pool.get('purchase.request')
Requisition = pool.get('purchase.requisition')
requests = []
for sub_purchases in grouped_slice(purchases):
requests.append(Request.search([
('purchase_line.purchase.id', 'in',
[x.id for x in sub_purchases]),
('origin', 'like', 'purchase.requisition.line,%'),
]))
requests = list(chain(*requests))
if requests:
requisition_ids = list(set(req.origin.requisition
for req in requests))
Requisition.process(Requisition.browse(requisition_ids))
@classmethod
@ModelView.button
@Workflow.transition('confirmed')
def confirm(cls, purchases):
super(Purchase, cls).confirm(purchases)
cls._process_requisition(purchases)
@classmethod
@ModelView.button
@Workflow.transition('cancelled')
def cancel(cls, purchases):
super(Purchase, cls).cancel(purchases)
cls._process_requisition(purchases)