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tryton/modules/project_revenue/work.py

230 lines
7.9 KiB
Python

# 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 collections import defaultdict
from decimal import Decimal
from sql.aggregate import Sum
from sql.conditionals import Coalesce
from sql.functions import Extract
from sql.operators import Concat
from trytond import backend
from trytond.model import fields
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, If
from trytond.tools import sqlite_apply_types
from trytond.transaction import Transaction
class Work(metaclass=PoolMeta):
__name__ = 'project.work'
product = fields.Many2One('product.product', 'Product',
domain=[
('type', '=', 'service'),
If(Eval('origin', None),
('id', '=', -1),
()),
],
states={
'invisible': Bool(Eval('origin', None)),
},
context={
'company': Eval('company', -1),
},
depends={'company'})
list_price = Monetary(
"List Price", currency='currency', digits=price_digits)
revenue = fields.Function(Monetary(
"Revenue", currency='currency', digits='currency'),
'get_total')
cost = fields.Function(Monetary(
"Cost", currency='currency', digits='currency'),
'get_total')
currency = fields.Function(fields.Many2One('currency.currency',
'Currency'), 'on_change_with_currency')
@classmethod
def __setup__(cls):
pool = Pool()
super().__setup__()
try:
pool.get('purchase.line')
except KeyError:
pass
else:
# Add purchase lines if purchase is activated
cls.purchase_lines = fields.One2Many('purchase.line', 'work',
'Purchase Lines', domain=[
('purchase.company', '=', Eval('company', -1)),
('type', '=', 'line'),
])
@classmethod
def get_total(cls, works, names):
result = super().get_total(works, names)
currencies = []
for name in names:
field = getattr(cls, name)
if getattr(field, 'digits', None) == 'currency':
currencies.append(name)
if currencies:
for work in works:
for name in currencies:
result[name][work.id] = work.company.currency.round(
result[name][work.id])
return result
@classmethod
def _get_cost(cls, works):
costs = defaultdict(Decimal)
for work_id, cost in cls._timesheet_cost(works):
costs[work_id] += cost
for work_id, cost in cls._purchase_cost(works):
costs[work_id] += cost
return costs
@classmethod
def _timesheet_cost(cls, works):
pool = Pool()
Line = pool.get('timesheet.line')
Work = pool.get('timesheet.work')
transaction = Transaction()
cursor = transaction.connection.cursor()
table = cls.__table__()
work = Work.__table__()
line = Line.__table__()
cost = line.cost_price * Extract('EPOCH', line.duration) / (60 * 60)
where = fields.SQL_OPERATORS['in'](table.id, map(int, works))
query = (table.join(work,
condition=(
Concat(cls.__name__ + ',', table.id) == work.origin)
).join(line, condition=line.work == work.id
).select(table.id, Sum(Coalesce(cost, 0)).as_('cost'),
where=where,
group_by=[table.id]))
if backend.name == 'sqlite':
sqlite_apply_types(query, [None, 'NUMERIC'])
cursor.execute(*query)
yield from cursor
@classmethod
def _purchase_cost(cls, works):
'Compute direct purchase cost'
if not hasattr(cls, 'purchase_lines'):
return
pool = Pool()
Currency = pool.get('currency.currency')
PurchaseLine = pool.get('purchase.line')
InvoiceLine = pool.get('account.invoice.line')
Invoice = pool.get('account.invoice')
Company = pool.get('company.company')
cursor = Transaction().connection.cursor()
table = cls.__table__()
purchase_line = PurchaseLine.__table__()
invoice_line = InvoiceLine.__table__()
invoice = Invoice.__table__()
company = Company.__table__()
work2currency = {}
iline2work = {}
where = fields.SQL_OPERATORS['in'](table.id, map(int, works))
cursor.execute(*table.join(purchase_line,
condition=purchase_line.work == table.id
).join(invoice_line,
condition=invoice_line.origin == Concat(
'purchase.line,', purchase_line.id)
).join(invoice,
condition=invoice_line.invoice == invoice.id
).select(invoice_line.id, table.id,
where=where & ~invoice.state.in_(['draft', 'cancelled'])))
iline2work.update(cursor)
cursor.execute(*table.join(company,
condition=table.company == company.id
).select(table.id, company.currency,
where=where))
work2currency.update(cursor)
currencies = Currency.browse(set(work2currency.values()))
id2currency = {c.id: c for c in currencies}
invoice_lines = InvoiceLine.browse(list(iline2work.keys()))
for invoice_line in invoice_lines:
invoice = invoice_line.invoice
work_id = iline2work[invoice_line.id]
currency_id = work2currency[work_id]
currency = id2currency[currency_id]
if currency != invoice.currency:
with Transaction().set_context(date=invoice.currency_date):
amount = Currency.compute(invoice.currency,
invoice_line.amount, currency)
else:
amount = invoice_line.amount
yield work_id, amount
@classmethod
def _get_revenue(cls, works):
revenues = defaultdict(Decimal)
for work in works:
if not work.list_price:
continue
if work.price_list_hour:
revenue = work.list_price * Decimal(str(work.effort_hours))
else:
revenue = work.list_price
revenues[work.id] = revenue
return revenues
@fields.depends('company')
def on_change_with_currency(self, name=None):
return self.company.currency if self.company else None
@fields.depends('product')
def on_change_product(self):
pool = Pool()
ModelData = pool.get('ir.model.data')
Uom = pool.get('product.uom')
if not self.product:
return
list_price = self.product.list_price_used
if list_price is not None:
if self.price_list_hour:
hour_uom = Uom(ModelData.get_id('product', 'uom_hour'))
list_price = Uom.compute_price(
self.product.default_uom, list_price, hour_uom)
list_price = round_price(list_price)
self.list_price = list_price
@property
def price_list_hour(self):
pool = Pool()
ModelData = pool.get('ir.model.data')
Category = pool.get('product.uom.category')
if not self.product:
return
time = Category(ModelData.get_id('product', 'uom_cat_time'))
return self.product.default_uom_category == time
@classmethod
def copy(cls, records, default=None):
if default is None:
default = {}
else:
default = default.copy()
if hasattr(cls, 'purchase_lines'):
# Do not copy purchase lines if purchase is activated
default.setdefault('purchase_lines', None)
return super().copy(records, default=default)