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165 lines
6.5 KiB
165 lines
6.5 KiB
# -*- coding: utf-8 -*-
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# Copyright 2017 Eficent Business and IT Consulting Services S.L.
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# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
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from openerp import api, fields, models, _
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from openerp.exceptions import ValidationError, UserError
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from openerp.tools.safe_eval import safe_eval
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class TierValidation(models.AbstractModel):
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_name = "tier.validation"
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_state_field = 'state'
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_state_from = ['draft']
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_state_to = ['confirmed']
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_cancel_state = 'cancel'
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# TODO: reset validation?
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# TODO: step by step validation?
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review_ids = fields.One2many(
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comodel_name='tier.review', inverse_name='res_id',
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string='Validations',
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domain=lambda self: [('model', '=', self._name)],
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auto_join=True,
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)
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validated = fields.Boolean(
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compute="_compute_validated_rejected",
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search="_search_validated",
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)
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need_validation = fields.Boolean(compute="_compute_need_validation")
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rejected = fields.Boolean(compute="_compute_validated_rejected")
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reviewer_ids = fields.Many2many(
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string="Reviewers", comodel_name="res.users",
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compute="_compute_reviewer_ids",
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search="_search_reviewer_ids",
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)
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@api.multi
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@api.depends('review_ids')
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def _compute_reviewer_ids(self):
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for rec in self:
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rec.reviewer_ids = rec.review_ids.filtered(
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lambda r: r.status == 'pending').mapped('reviewer_ids')
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@api.model
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def _search_validated(self, operator, value):
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assert operator in ('=', '!='), 'Invalid domain operator'
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assert value in (True, False), 'Invalid domain value'
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pos = self.search([
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(self._state_field, 'in', self._state_from)]).filtered(
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lambda r: r.review_ids and r.validated == value)
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return [('id', 'in', pos.ids)]
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@api.model
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def _search_reviewer_ids(self, operator, value):
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reviews = self.env['tier.review'].search([
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('model', '=', self._name),
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('reviewer_ids', operator, value),
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('status', '=', 'pending')])
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return [('id', 'in', list(set(reviews.mapped('res_id'))))]
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@api.multi
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def _compute_validated_rejected(self):
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for rec in self:
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rec.validated = self._calc_reviews_validated(rec.review_ids)
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rec.rejected = self._calc_reviews_rejected(rec.review_ids)
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@api.model
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def _calc_reviews_validated(self, reviews):
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"""Override for different validation policy."""
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return not any([s != 'approved' for s in reviews.mapped('status')])
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@api.model
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def _calc_reviews_rejected(self, reviews):
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"""Override for different rejection policy."""
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return any([s == 'rejected' for s in reviews.mapped('status')])
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@api.multi
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def _compute_need_validation(self):
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for rec in self:
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tiers = self.env[
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'tier.definition'].search([('model', '=', self._name)])
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valid_tiers = any([self.evaluate_tier(tier) for tier in tiers])
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rec.need_validation = not self.review_ids and valid_tiers and \
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getattr(rec, self._state_field) in self._state_from
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@api.multi
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def evaluate_tier(self, tier):
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try:
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res = safe_eval(tier.python_code, globals_dict={'rec': self})
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except Exception, error:
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raise UserError(_(
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"Error evaluating tier validation conditions.\n %s") % error)
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return res
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@api.multi
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def write(self, vals):
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for rec in self:
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if (getattr(rec, self._state_field) in self._state_from and
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vals.get(self._state_field) in self._state_to):
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if rec.need_validation:
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# try to validate operation
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reviews = rec.request_validation()
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rec._validate_tier(reviews)
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if not self._calc_reviews_validated(reviews):
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raise ValidationError(_(
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"This action needs to be validated for at least "
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"one record. \nPlease request a validation."))
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if not rec.validated:
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raise ValidationError(_(
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"A validation process is still open for at least "
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"one record."))
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if (rec.review_ids and getattr(rec, self._state_field) in
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self._state_from and not vals.get(self._state_field) in
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(self._state_to + [self._cancel_state])):
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raise ValidationError(_("The operation is under validation."))
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if vals.get(self._state_field) in self._state_from:
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self.mapped('review_ids').sudo().unlink()
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return super(TierValidation, self).write(vals)
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def _validate_tier(self, tiers=False):
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self.ensure_one()
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tier_reviews = tiers or self.review_ids
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user_reviews = tier_reviews.filtered(
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lambda r: r.status in ('pending', 'rejected') and
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(r.reviewer_id == self.env.user or
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r.reviewer_group_id in self.env.user.groups_id))
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user_reviews.write({'status': 'approved'})
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@api.multi
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def validate_tier(self):
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for rec in self:
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rec._validate_tier()
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@api.multi
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def reject_tier(self):
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for rec in self:
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user_reviews = rec.review_ids.filtered(
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lambda r: r.status in ('pending', 'approved') and
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(r.reviewer_id == self.env.user or
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r.reviewer_group_id in self.env.user.groups_id))
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user_reviews.write({'status': 'rejected'})
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@api.multi
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def request_validation(self):
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td_obj = self.env['tier.definition']
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tr_obj = created_trs = self.env['tier.review']
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for rec in self:
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if getattr(rec, self._state_field) in self._state_from:
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if rec.need_validation:
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tier_definitions = td_obj.search([
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('model', '=', self._name)], order="sequence desc")
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sequence = 0
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for td in tier_definitions:
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if self.evaluate_tier(td):
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sequence += 1
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created_trs += tr_obj.create({
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'model': self._name,
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'res_id': rec.id,
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'definition_id': td.id,
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'sequence': sequence,
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})
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# TODO: notify? post some msg in chatter?
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return created_trs
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