demo.tracker-v2/code/settings.py

# Copyright (c) Quectel Wireless Solution, Co., Ltd.All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import uos
import ure
import ql_fs
import ujson
import _thread

from usr.common import Singleton
from usr.common import option_lock
from usr.settings_app import default_values_app
from usr.settings_sys import default_values_sys

# For Other Module To Import
from usr.settings_sys import PROJECT_NAME, PROJECT_VERSION, \
    DEVICE_FIRMWARE_NAME, DEVICE_FIRMWARE_VERSION, ALERTCODE, LOWENERGYMAP

PROJECT_NAME
PROJECT_VERSION
DEVICE_FIRMWARE_NAME
DEVICE_FIRMWARE_VERSION
ALERTCODE
LOWENERGYMAP

tracker_settings_file = "/usr/tracker_settings.json"

_settings_lock = _thread.allocate_lock()


class Settings(Singleton):

    def __init__(self):
        self.current_settings = {}
        self.current_settings_app = {}
        self.current_settings_sys = {}
        self.init()

    @option_lock(_settings_lock)
    def init(self):
        try:
            default_values_sys.locator_init_params = default_values_sys._get_locator_init_params(default_values_app.loc_method)
            default_values_sys.cloud_init_params = default_values_sys._get_cloud_init_params(default_values_sys.cloud)
            default_values_sys.ota_status = default_values_sys._ota_status_init_params()

            default_settings_app = {k: v for k, v in default_values_app.__dict__.items() if not k.startswith("_")}
            default_settings_sys = {k: v for k, v in default_values_sys.__dict__.items() if not k.startswith("_")}
            default_settings = {"app": default_settings_app, "sys": default_settings_sys}

            if not ql_fs.path_exists(tracker_settings_file):
                with open(tracker_settings_file, "w") as f:
                    ujson.dump(default_settings, f)
                self.current_settings = dict(default_settings)
            else:
                with open(tracker_settings_file, "r") as f:
                    self.current_settings = ujson.load(f)
            return True
        except:
            return False

    @option_lock(_settings_lock)
    def get(self):
        return self.current_settings

    @option_lock(_settings_lock)
    def set(self, opt, val):
        if opt in self.current_settings["app"]:
            if opt == "phone_num":
                if not isinstance(val, str):
                    return False
                pattern = ure.compile(r"^(?:(?:\+)86)?1[3-9]\d\d\d\d\d\d\d\d\d$")
                if pattern.search(val):
                    self.current_settings["app"][opt] = val
                    return True
                return False
            elif opt == "loc_method":
                if not isinstance(val, int):
                    return False
                if val > default_values_app._loc_method.all:
                    return False
                self.current_settings["app"][opt] = val
                self.current_settings["sys"]["locator_init_params"] = default_values_sys._get_locator_init_params(val)
                return True
            elif opt == "work_mode":
                if not isinstance(val, int):
                    return False
                if val > default_values_app._work_mode.intelligent:
                    return False
                self.current_settings["app"][opt] = val
                return True
            elif opt in ("work_cycle_period", "over_speed_threshold"):
                if not isinstance(val, int):
                    return False
                if val < 1:
                    return False
                self.current_settings["app"][opt] = val
                return True
            elif opt in ("low_power_alert_threshold", "low_power_shutdown_threshold"):
                if not isinstance(val, int):
                    return False
                if val < 0 or val > 100:
                    return False
                self.current_settings["app"][opt] = val
                return True
            elif opt in ("sw_ota", "sw_ota_auto_upgrade", "sw_voice_listen", "sw_voice_record",
                         "sw_fault_alert", "sw_low_power_alert", "sw_over_speed_alert",
                         "sw_sim_abnormal_alert", "sw_disassemble_alert", "sw_drive_behavior_alert"):
                if not isinstance(val, bool):
                    return False
                self.current_settings["app"][opt] = val
                return True
        if opt in self.current_settings["sys"]:
            if opt == "sw_log":
                if not isinstance(val, bool):
                    return False
                self.current_settings["sys"][opt] = val
                return True
            elif opt in ("ota_status", "cloud_init_params"):
                if not isinstance(val, dict):
                    return False
                self.current_settings["sys"][opt] = val
                return True
            elif opt == "user_ota_action":
                if not isinstance(val, int):
                    return False
                self.current_settings["sys"][opt] = val
                return True
        return False

    @option_lock(_settings_lock)
    def save(self):
        try:
            with open(tracker_settings_file, "w") as f:
                ujson.dump(self.current_settings, f)
            return True
        except:
            return False

    @option_lock(_settings_lock)
    def reset(self):
        try:
            uos.remove(tracker_settings_file)
            return True
        except:
            return False


settings = Settings()