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105 lines
2.7 KiB
Python
105 lines
2.7 KiB
Python
# FrictionList.py -- Pamhyr
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# Copyright (C) 2023 INRAE
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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# -*- coding: utf-8 -*-
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import logging
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from copy import copy
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from tools import trace, timer
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from Model.Tools.PamhyrDB import SQLSubModel
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from Model.Tools.PamhyrList import PamhyrModelList
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from Model.Friction.Friction import Friction
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logger = logging.getLogger()
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class FrictionList(PamhyrModelList):
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_sub_classes = [
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Friction
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]
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@classmethod
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def _db_update_0_0_1(cls, execute, version):
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execute("ALTER TABLE `section` RENAME TO `friction`")
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@classmethod
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def _db_update(cls, execute, version):
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if version == "0.0.0":
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logger.info(f"Update friction TABLE from {version}")
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cls._db_update_0_0_1(execute, version)
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return True
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@classmethod
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def _db_load(cls, execute, data=None):
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new = cls(status=data['status'])
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ilst = Friction._db_load(
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execute, data
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)
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new._lst = list(map(lambda x: x[1], sorted(ilst)))
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return new
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def _db_save(self, execute, data=None):
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frictions = self.lst
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reach = data["reach"]
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execute(f"DELETE FROM friction WHERE reach = {reach.id}")
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ok = True
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ind = 0
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for friction in frictions:
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data["ind"] = ind
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ok &= friction._db_save(execute, data=data)
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ind += 1
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return ok
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def _get_frictions_list(self):
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# Frictions list generator is type (int, Point) with the first
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# element the index of the Point in list
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return list(
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map(
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lambda p: p[1],
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sorted(
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self._lst,
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key=lambda p: p[0]
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)
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)
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)
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@property
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def lst(self):
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if not isinstance(self._lst, list):
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self._lst = self._get_frictions_list()
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return self._lst
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@property
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def frictions(self):
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return self.lst
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def new(self, index):
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n = Friction(status=self._status)
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self._lst.insert(index, n)
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self._status.modified()
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return n
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