70 lines
2.7 KiB
Python
70 lines
2.7 KiB
Python
#This file is part of Tryton. The COPYRIGHT file at the top level of
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#this repository contains the full copyright notices and license terms.
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from trytond.model import ModelView, ModelSQL, fields
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from trytond.wizard import Wizard, StateAction
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from trytond.pyson import PYSONEncoder
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from trytond.pool import Pool
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from trytond.transaction import Transaction
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__all__ = ['ProductCostHistory', 'OpenProductCostHistory']
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class ProductCostHistory(ModelSQL, ModelView):
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'History of Product Cost'
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__name__ = 'product.product.cost_history'
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_rec_name = 'date'
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template = fields.Many2One('product.template', 'Product')
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date = fields.DateTime('Date')
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cost_price = fields.Numeric('Cost Price')
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@classmethod
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def __setup__(cls):
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super(ProductCostHistory, cls).__setup__()
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cls._order.insert(0, ('date', 'DESC'))
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@staticmethod
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def table_query():
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pool = Pool()
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Property = pool.get('ir.property')
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Field = pool.get('ir.model.field')
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return ('SELECT '
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'MAX(h.__id) AS id, '
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'MAX(h.create_uid) AS create_uid, '
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'MAX(h.create_date) AS create_date, '
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'MAX(h.write_uid) AS write_uid, '
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'MAX(h.write_date) AS write_date, '
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'COALESCE(h.write_date, h.create_date) AS date, '
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'CAST(TRIM(\',\' FROM SUBSTRING(h.res FROM \',.*\')) AS '
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'INTEGER) AS template, '
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'CAST(TRIM(\',\' FROM h.value) AS NUMERIC) AS cost_price '
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'FROM "' + Property._table + '__history" h '
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'JOIN "' + Field._table + '" f ON (f.id = h.field) '
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'WHERE f.name = \'cost_price\' '
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'AND h.res LIKE \'product.template,%%\' '
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'GROUP BY h.id, COALESCE(h.write_date, h.create_date), h.res, '
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'h.value',
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[])
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class OpenProductCostHistory(Wizard):
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'Open Product Cost History'
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__name__ = 'product.product.cost_history.open'
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start_state = 'open'
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open = StateAction('product_cost_history.act_product_cost_history_form')
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def do_open(self, action):
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pool = Pool()
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Product = pool.get('product.product')
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active_id = Transaction().context.get('active_id')
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if not active_id or active_id < 0:
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action['pyson_domain'] = PYSONEncoder().encode([
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('template', '=', None),
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])
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else:
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product = Product(active_id)
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action['pyson_domain'] = PYSONEncoder().encode([
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('template', '=', product.template.id),
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])
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return action, {}
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