Stock forecast. First version
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#This file is part of Tryton. The COPYRIGHT file at the top level of this
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#repository contains the full copyright notices and license terms.
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from forecast import *
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#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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{
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'name': 'Stock Forecast',
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'version': '0.0.1',
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'author': 'B2CK',
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'email': 'info@b2ck.com',
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'website': 'http://www.tryton.org/',
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'description': '''Stock Forecast.
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Allow to generate future moves which will enable other process to anticipate them.
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''',
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'depends': [
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'ir',
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'workflow',
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'stock',
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'product',
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'company',
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],
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'xml': [
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'forecast.xml',
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],
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'translation': [
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],
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}
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+241
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#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.osv import fields, OSV
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from trytond.wizard import Wizard, WizardOSV
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import datetime
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from trytond.netsvc import LocalService
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STATES = {
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'readonly': "state != 'draft'",
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}
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#TODO : check dates, overlap and max > min
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def distribute(delta, qty):
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range_delta = range(delta)
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a = {}.fromkeys(range_delta, 0)
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while qty > 0:
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if qty > delta:
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for i in range_delta:
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a[i] += qty//delta
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qty = qty%delta
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elif delta//qty > 1:
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i = 0
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while i < qty:
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a[i*delta//qty + (delta//qty/2)] += 1
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i += 1
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qty = 0
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else:
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for i in range_delta:
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a[i] += 1
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qty = delta-qty
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i = 0
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while i < qty:
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a[delta - ((i*delta//qty) + (delta//qty/2)) - 1] -= 1
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i += 1
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qty = 0
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return a
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class Forecast(OSV):
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"Stock Forecast"
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_name = "stock.forecast"
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_description = __doc__
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_rec_name = 'location'
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location = fields.Many2One(
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'stock.location', 'Location', required=True,
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domain="[('type', '=', 'storage')]", states={
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'readonly': "state != 'draft' or bool(lines)",
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})
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destination = fields.Many2One(
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'stock.location', 'Destination', required=True,
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domain="[('type', '=', 'customer')]", states=STATES)
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from_date = fields.Date('From Date', required=True, states=STATES)
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to_date = fields.Date('To Date', required=True, states=STATES)
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lines = fields.One2Many(
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'stock.forecast.line', 'forecast', 'Lines', states=STATES)
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company = fields.Many2One(
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'company.company', 'Company', required=True, states={
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'readonly': "state != 'draft' or bool(lines)",
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})
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state = fields.Selection([
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('draft', 'Draft'),
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('done', 'Done'),
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('cancel', 'Cancel'),
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], 'State', readonly=True, select=1)
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def __init__(self):
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super(Forecast, self).__init__()
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self._rpc_allowed += [
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'button_draft',
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]
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self._order.insert(0, ('location', 'ASC'))
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self._order.insert(0, ('from_date', 'DESC'))
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def default_state(self, cursor, user, context=None):
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return 'draft'
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def default_company(self, cursor, user, context=None):
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company_obj = self.pool.get('company.company')
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if context is None:
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context = {}
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if context.get('company'):
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return company_obj.name_get(cursor, user, context['company'],
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context=context)[0]
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return False
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def button_draft(self, cursor, user, ids, context=None):
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workflow_service = LocalService('workflow')
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for forecast in self.browse(cursor, user, ids, context=context):
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workflow_service.trg_create(user, self._name, forecast.id, cursor,
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context=context)
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return True
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def set_state_draft(self, cursor, user, forecast_id, context=None):
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line_obj = self.pool.get("stock.forecast.line")
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forecast = self.browse(cursor, user, forecast_id, context=context)
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if forecast.state == "done":
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line_obj.cancel_moves(cursor, user, forecast.lines, context=context)
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self.write(cursor, user, forecast_id, {
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'state': 'draft',
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}, context=context)
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def set_state_cancel(self, cursor, user, forecast_id, context=None):
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self.write(cursor, user, forecast_id, {
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'state': 'cancel',
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}, context=context)
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def set_state_done(self, cursor, user, forecast_id, context=None):
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date_obj = self.pool.get('ir.date')
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line_obj = self.pool.get('stock.forecast.line')
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forecast = self.browse(cursor, user, forecast_id, context=context)
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for line in forecast.lines:
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line_obj.create_moves(cursor, user, line, context=context)
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self.write(
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cursor, user, forecast_id, {'state': 'done',}, context=context)
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Forecast()
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class ForecastLine(OSV):
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'Stock Forecast Line'
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_name = 'stock.forecast.line'
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_description = __doc__
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_rec_name = 'product'
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product = fields.Many2One('product.product', 'Product', required=True,
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domain=[('type', '=', 'stockable')], on_change=['product'])
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uom = fields.Function('get_uom', type='many2one', relation='product.uom',
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string='UOM')
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unit_digits = fields.Function('get_unit_digits', type='integer',
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string='Unit Digits')
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quantity = fields.Float('Quantity', digits="(16, unit_digits)")
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moves = fields.Many2Many(
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'stock.move', 'forecast_line_move_rel', 'foreacast_line', 'move','Move',
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readonly=True, ondelete_target='CASCADE')
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forecast = fields.Many2One('stock.forecast', 'Forecast')
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def __init__(self):
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super(ForecastLine, self).__init__()
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self._sql_constraints += [
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('check_line_qty_pos',
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'CHECK(quantity >= 0.0)', 'Line quantity must be positive!'),
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('forecast_product_uniq', 'UNIQUE(forecast, product)',
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'Product must be unique by forcast!'),
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]
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self._error_messages.update({
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'line_quantity': 'Line quantity must be greater than the uom '
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'rounding precision.',
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})
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def default_unit_digits(self, cursor, user, context=None):
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return 2
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def on_change_product(self, cursor, user, ids, vals, context=None):
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product_obj = self.pool.get('product.product')
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uom_obj = self.pool.get('product.uom')
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res = {}
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res['unit_digits'] = 2
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if vals.get('product'):
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product = product_obj.browse(cursor, user, vals['product'],
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context=context)
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res['uom'] = uom_obj.name_get(cursor, user, product.default_uom.id,
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context=context)[0]
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res['unit_digits'] = product.default_uom.digits
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return res
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def get_uom(self, cursor, user, ids, name, arg, context=None):
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uom_obj = self.pool.get('product.uom')
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res = {}
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for line in self.browse(cursor, user, ids, context=context):
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res[line.id] = line.product.default_uom.id
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uom2name = {}
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for uom_id, name in uom_obj.name_get(cursor, user, res.values(),
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context=context):
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uom2name[uom_id] = (uom_id, name)
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for line_id in res:
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res[line_id] = uom2name[res[line_id]]
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return res
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def get_unit_digits(self, cursor, user, ids, name, arg, context=None):
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res = {}
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for line in self.browse(cursor, user, ids, context=context):
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res[line.id] = line.product.default_uom.digits
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return res
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def create_moves(self, cursor, user, line, context=None):
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move_obj = self.pool.get('stock.move')
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uom_obj = self.pool.get('product.uom')
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delta = line.forecast.to_date - line.forecast.from_date
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delta = delta.days
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if line.quantity < line.uom.rounding:
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self.raise_user_error(cursor, 'line_quantity')
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packet_size = max(line.uom.rounding, 1)
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nb_packet = int(line.quantity/packet_size)
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distribution = distribute(delta, nb_packet)
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unit_price = False
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if line.forecast.destination.type == 'customer':
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unit_price = line.product.list_price
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elif line.forecast.destination.type == 'supplier':
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unit_price = line.product.cost_price #XXX use price of first supplier ?
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if unit_price:
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unit_price = uom_obj.compute_price(
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cursor, user, line.product.default_uom, unit_price, line.uom,
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context=context)
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moves = []
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for day, qty in distribution.iteritems():
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if qty == 0.0:
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continue
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mid = move_obj.create(
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cursor, user,
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{'from_location': line.forecast.location.id,
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'to_location': line.forecast.destination.id,
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'product': line.product.id,
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'uom': line.uom.id,
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'quantity': qty * packet_size,
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'planned_date': line.forecast.from_date + datetime.timedelta(day),
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'company': line.forecast.company.id,
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'currency':line.forecast.company.currency,
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'unit_price': unit_price,
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},
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context=context)
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moves.append(('add',mid))
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self.write(cursor, user, line.id, {'moves': moves}, context=context)
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def cancel_moves(self, cursor, user, lines, context=None):
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move_obj = self.pool.get('stock.move')
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move_obj.write(
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cursor, user, [m.id for l in lines for m in l.moves], {'state': 'cancel'},
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context=context)
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move_obj.delete(
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cursor, user, [m.id for l in lines for m in l.moves], context=context)
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def copy(self, cursor, user, line_id, default=None, context=None):
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default = default and default.copy() or {}
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default['forecast']= False
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default['move'] = False
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return super(ForecastLine, self).copy(cursor, user, line_id,
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default=default, context=context)
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ForecastLine()
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+190
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<?xml version="1.0"?>
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<!-- This file is part of Tryton. The COPYRIGHT file at the top level of this repository contains the full copyright notices and license terms. -->
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<tryton>
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<data>
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<record model="ir.ui.view" id="forecast_view_form">
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<field name="model">stock.forecast</field>
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<field name="type">form</field>
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<field name="arch" type="xml">
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<![CDATA[
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<form string="Forecast" col="4">
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<label name="location"/>
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<field name="location"/>
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<label name="destination"/>
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<field name="destination"/>
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<label name="from_date"/>
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<field name="from_date"/>
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<label name="to_date"/>
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<field name="to_date"/>
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<label name="company"/>
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<field name="company"/>
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<field name="lines" colspan="4"/>
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<group col="4" colspan="4">
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<label name="state"/>
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<field name="state"/>
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<group colspan="2" col="3">
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<button string="Reset to Draft"
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name="button_draft"
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type="object"
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states="{'invisible': '''state == 'draft' ''', 'readonly': '''%(stock.group_stock_admin)d not in groups'''}"
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icon="tryton-clear"/>
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<button string="Cancel"
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name="cancel"
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states="{'invisible': '''state != 'draft' ''', 'readonly': '''%(stock.group_stock_admin)d not in groups'''}"
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icon="tryton-cancel"/>
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<button string="Confirm"
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name="done"
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states="{'invisible': '''state != 'draft' ''', 'readonly': '''%(stock.group_stock_admin)d not in groups'''}"
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icon="tryton-ok"/>
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</group>
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</group>
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</form>
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]]>
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</field>
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</record>
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<record model="ir.ui.view" id="forecast_view_tree">
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<field name="model">stock.forecast</field>
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<field name="type">tree</field>
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<field name="arch" type="xml">
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<![CDATA[
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<tree string="Forecasts">
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<field name="location" select="1"/>
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<field name="date" select="1"/>
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<field name="state" select="1"/>
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<field name="company" select="2"/>
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</tree>
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]]>
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</field>
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</record>
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<record model="ir.action.act_window" id="act_forecast_form">
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<field name="name">Forecasts</field>
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<field name="res_model">stock.forecast</field>
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<field name="view_type">form</field>
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</record>
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<record model="ir.action.act_window.view"
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id="act_forecast_form_view1">
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<field name="sequence" eval="1"/>
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<field name="view" ref="forecast_view_tree"/>
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<field name="act_window" ref="act_forecast_form"/>
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</record>
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<record model="ir.action.act_window.view"
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id="act_forecast_form_view2">
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<field name="sequence" eval="2"/>
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<field name="view" ref="forecast_view_form"/>
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<field name="act_window" ref="act_forecast_form"/>
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</record>
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<menuitem parent="stock.menu_stock" sequence="50"
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action="act_forecast_form" id="menu_forecast_form"/>
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<record model="ir.ui.view" id="forecast_line_view_form">
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<field name="model">stock.forecast.line</field>
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<field name="type">form</field>
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<field name="arch" type="xml">
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<![CDATA[
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<form string="Forecast Line" col="4">
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<label name="product"/>
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<field name="product"/>
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<label name="quantity"/>
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<field name="quantity"/>
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<label name="uom"/>
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<field name="uom"/>
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<separator name="moves" colspan="4"/>
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<field name="moves" colspan="4" widget="one2many"/>
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<label name="forecast"/>
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<field name="forecast"/>
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<field name="unit_digits" invisible="1" colspan="4"/>
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</form>
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]]>
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</field>
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</record>
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<record model="ir.ui.view" id="forecast_line_view_tree">
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<field name="model">stock.forecast.line</field>
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<field name="type">tree</field>
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<field name="arch" type="xml">
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<![CDATA[
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<tree string="Forecast Lines" editable="bottom">
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<field name="product" select="1"/>
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<field name="quantity" select="2"/>
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<field name="uom" select="2"/>
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<field name="unit_digits" tree_invisible="1"/>
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</tree>
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||||
]]>
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</field>
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</record>
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<!-- Workflow forecast -->
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<record model="workflow" id="wkf_forecast">
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<field name="name">Forecast</field>
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<field name="osv">stock.forecast</field>
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<field name="on_create">True</field>
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</record>
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<record model="workflow.activity" id="forecast_act_draft">
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<field name="workflow" ref="wkf_forecast"/>
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<field name="flow_start">True</field>
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<field name="kind">function</field>
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<field name="action">set_state_draft()</field>
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<field name="name">Draft</field>
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</record>
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<record model="workflow.activity" id="forecast_act_cancel">
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<field name="workflow" ref="wkf_forecast"/>
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<field name="flow_stop">True</field>
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<field name="name">Cancel</field>
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<field name="kind">function</field>
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<field name="action">set_state_cancel()</field>
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</record>
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<record model="workflow.activity" id="forecast_act_done">
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<field name="workflow" ref="wkf_forecast"/>
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<field name="flow_stop">True</field>
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<field name="name">Done</field>
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||||
<field name="kind">function</field>
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<field name="action">set_state_done()</field>
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</record>
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||||
<record model="workflow.transition"
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id="forecast_trans_draft_cancel">
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<field name="act_from" ref="forecast_act_draft"/>
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<field name="act_to" ref="forecast_act_cancel"/>
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<field name="group" ref="stock.group_stock_admin"/>
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||||
<field name="signal">cancel</field>
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</record>
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||||
<record model="workflow.transition"
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id="forecast_trans_draft_done">
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||||
<field name="act_from" ref="forecast_act_draft"/>
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||||
<field name="act_to" ref="forecast_act_done"/>
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||||
<field name="group" ref="stock.group_stock_admin"/>
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<field name="signal">done</field>
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||||
</record>
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||||
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<record model="ir.model.access" id="access_forecast">
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<field name="model" search="[('model', '=', 'stock.forecast')]"/>
|
||||
<field name="perm_read" eval="True"/>
|
||||
<field name="perm_write" eval="False"/>
|
||||
<field name="perm_create" eval="False"/>
|
||||
<field name="perm_delete" eval="False"/>
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||||
</record>
|
||||
<record model="ir.model.access" id="access_forecast_group_stock">
|
||||
<field name="model" search="[('model', '=', 'stock.forecast')]"/>
|
||||
<field name="group" ref="stock.group_stock"/>
|
||||
<field name="perm_read" eval="True"/>
|
||||
<field name="perm_write" eval="True"/>
|
||||
<field name="perm_create" eval="True"/>
|
||||
<field name="perm_delete" eval="True"/>
|
||||
</record>
|
||||
|
||||
<record model="ir.model.access" id="access_forecast_line">
|
||||
<field name="model" search="[('model', '=', 'stock.forecast.line')]"/>
|
||||
<field name="perm_read" eval="True"/>
|
||||
<field name="perm_write" eval="False"/>
|
||||
<field name="perm_create" eval="False"/>
|
||||
<field name="perm_delete" eval="False"/>
|
||||
</record>
|
||||
<record model="ir.model.access" id="access_forecast_line_group_stock">
|
||||
<field name="model" search="[('model', '=', 'stock.forecast.line')]"/>
|
||||
<field name="group" ref="stock.group_stock"/>
|
||||
<field name="perm_read" eval="True"/>
|
||||
<field name="perm_write" eval="True"/>
|
||||
<field name="perm_create" eval="True"/>
|
||||
<field name="perm_delete" eval="True"/>
|
||||
</record>
|
||||
|
||||
</data>
|
||||
</tryton>
|
||||
Reference in new issue
Block a user