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107 lines
3.9 KiB
Python
107 lines
3.9 KiB
Python
# Copyright 2021 Opener B.V. <stefan@opener.amsterdam>
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# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
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from lxml import etree
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from flectra import _, api, fields, models
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from flectra.osv.expression import FALSE_DOMAIN, NEGATIVE_TERM_OPERATORS, TRUE_DOMAIN
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class DateRangeSearchMixin(models.AbstractModel):
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_name = "date.range.search.mixin"
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_description = "Mixin class to add a Many2one style period search field"
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_date_range_search_field = "date"
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date_range_search_id = fields.Many2one(
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comodel_name="date.range",
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string="Filter by period (technical field)",
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compute="_compute_date_range_search_id",
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search="_search_date_range_search_id",
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)
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def _compute_date_range_search_id(self):
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"""Assign a dummy value for this search field"""
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for record in self:
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record.date_range_search_id = False
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@api.model
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def _search_date_range_search_id(self, operator, value):
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"""Map the selected date ranges to the model's date field"""
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# Deal with some bogus values
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if not value:
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if operator in NEGATIVE_TERM_OPERATORS:
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return TRUE_DOMAIN
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return FALSE_DOMAIN
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if value is True:
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if operator in NEGATIVE_TERM_OPERATORS:
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return FALSE_DOMAIN
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return TRUE_DOMAIN
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# Assume from here on that the value is a string,
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# a single id or a list of ids
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ranges = self.env["date.range"]
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if isinstance(value, str):
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ranges = self.env["date.range"].search([("name", operator, value)])
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else:
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if isinstance(value, int):
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value = [value]
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sub_op = "not in" if operator in NEGATIVE_TERM_OPERATORS else "in"
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ranges = self.env["date.range"].search([("id", sub_op, value)])
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if not ranges:
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return FALSE_DOMAIN
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domain = (len(ranges) - 1) * ["|"] + sum(
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(
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[
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"&",
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(self._date_range_search_field, ">=", date_range.date_start),
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(self._date_range_search_field, "<=", date_range.date_end),
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]
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for date_range in ranges
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),
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[],
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)
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return domain
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@api.model
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def fields_view_get(
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self, view_id=None, view_type="form", toolbar=False, submenu=False
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):
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"""Inject the dummy Many2one field in the search view"""
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result = super().fields_view_get(
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view_id=view_id, view_type=view_type, toolbar=toolbar, submenu=submenu
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)
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if view_type != "search":
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return result
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root = etree.fromstring(result["arch"])
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if root.xpath("//field[@name='date_range_search_id']"):
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# Field was inserted explicitely
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return result
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separator = etree.Element("separator")
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field = etree.Element(
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"field",
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attrib={
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"name": "date_range_search_id",
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"string": _("Period"),
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},
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)
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groups = root.xpath("/search/group")
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if groups:
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groups[0].addprevious(separator)
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groups[0].addprevious(field)
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else:
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search = root.xpath("/search")
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search[0].append(separator)
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search[0].append(field)
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result["arch"] = etree.tostring(root, encoding="unicode")
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return result
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@api.model
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def load_views(self, views, options=None):
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"""Adapt the label of the dummy search field
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Ensure the technical name does not show up in the Custom Filter
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fields list (while still showing up in the Export widget)
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"""
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result = super().load_views(views, options=options)
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if "date_range_search_id" in result["fields"]:
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result["fields"]["date_range_search_id"]["string"] = _("Period")
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return result
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