server-tools/base_time_window/models/time_window_mixin.py

114 lines
3.9 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2020 ACSONE SA/NV
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
import math
from datetime import time
from psycopg2.extensions import AsIs
from odoo import _, api, fields, models
from odoo.exceptions import ValidationError
class TimeWindowMixin(models.AbstractModel):
_name = "time.window.mixin"
_description = "Time Window"
_order = "start"
# TODO patch api.constrains with field here?
_overlap_check_field = False
start = fields.Float("From", required=True)
end = fields.Float("To", required=True)
weekday_ids = fields.Many2many(
comodel_name="time.weekday", required=True
)
@api.constrains("start", "end", "weekday_ids")
def check_window_no_overlaps(self):
weekdays_field = self._fields["weekday_ids"]
for record in self:
if record.start > record.end:
raise ValidationError(
_("%s must be > %s")
% (
self.float_to_time_repr(record.end),
self.float_to_time_repr(record.start),
)
)
# here we use a plain SQL query to benefit of the numrange
# function available in PostgresSQL
# (http://www.postgresql.org/docs/current/static/rangetypes.html)
SQL = """
SELECT
id
FROM
%(table)s w
join %(relation)s as d
on d.%(relation_window_fkey)s = w.id
WHERE
NUMRANGE(w.start::numeric, w.end::numeric) &&
NUMRANGE(%(start)s::numeric, %(end)s::numeric)
AND w.id != %(window_id)s
AND d.%(relation_week_day_fkey)s in %(weekday_ids)s
AND w.%(check_field)s = %(check_field_id)s;"""
self.env.cr.execute(
SQL,
dict(
table=AsIs(self._table),
relation=AsIs(weekdays_field.relation),
relation_window_fkey=AsIs(weekdays_field.column1),
relation_week_day_fkey=AsIs(weekdays_field.column2),
start=record.start,
end=record.end,
window_id=record.id,
weekday_ids=tuple(record.weekday_ids.ids),
check_field=AsIs(self._overlap_check_field),
check_field_id=record[self._overlap_check_field].id,
),
)
res = self.env.cr.fetchall()
if res:
other = self.browse(res[0][0])
raise ValidationError(
_("%s overlaps %s")
% (record.display_name, other.display_name)
)
@api.depends("start", "end", "weekday_ids")
def _compute_display_name(self):
for record in self:
record.display_name = _("{days}: From {start} to {end}").format(
days=", ".join(record.weekday_ids.mapped("display_name")),
start=self.float_to_time_repr(record.start),
end=self.float_to_time_repr(record.end),
)
@api.model
def _get_hour_min_from_value(self, value):
hour = math.floor(value)
minute = round((value % 1) * 60)
if minute == 60:
minute = 0
hour += 1
return hour, minute
@api.model
def float_to_time_repr(self, value):
pattern = "%02d:%02d"
hour, minute = self._get_hour_min_from_value(value)
return pattern % (hour, minute)
@api.model
def float_to_time(self, value):
hour, minute = self._get_hour_min_from_value(value)
return time(hour=hour, minute=minute)
def get_start_time(self):
return self.float_to_time(self.start)
def get_end_time(self):
return self.float_to_time(self.end)