<filename>src/groundstation/models.py

class Ping:
    def __init__(self, timestamp, success):
        # The unix timestamp in seconds when the last network ping to the computer was executed.
        self.timestamp = timestamp  # type: float

        # Whether or not the last ping at `timestamp` succeeded.
        self.success = success  # type: bool


class Topic:
    def __init__(self, name, lastseen, statistics):
        # The name of the topic, including / prefix
        self.name = name  # type: str

        # A timestamp of when this topic was last seen.
        # This parameter is updated by all places that receive metadata about topics.
        # This does not tell anything about activeness: a topic might be lastseen seconds ago
        # but not have any publishers / subscribers for ages. However, if this timestamp is
        # set to a long time ago you can be sure this topic is not there.
        self.lastseen = lastseen  # type: float

        self.statistics = statistics  # type: Optional[TopicStatistic]


class TopicType:
    def __init__(self, topicname, lastseen, messagetype):
        # The name of the topic, including / prefix
        self.topicname = topicname  # type: str

        # The name of the ros message
        self.messagetype = messagetype

        # The timestamp when the information about this topic was last updated
        self.lastseen = lastseen  # type: float


class Node:
    def __init__(self, name, lastseen):
        # The name of the node, including / prefix
        self.name = name  # type: str

        # A timestamp of when this topic was last seen.
        # This parameter is updated by all places that receive metadata about topics.
        # This does not tell anything about activeness: a topic might be lastseen seconds ago
        # but not have any publishers / subscribers for ages. However, if this timestamp is
        # set to a long time ago you can be sure this topic is not there.
        self.lastseen = lastseen  # type: float


class TopicPublication:
    def __init__(self, nodename, topicname, lastseen):
        # The name of the node, including / prefix
        self.nodename = nodename  # type: str

        # The name of the topic, including / prefix
        self.topicname = topicname  # type: str

        # The timestamp when the information about this node was last updated
        self.lastseen = lastseen  # type: float


class TopicSubscription:
    def __init__(self, nodename, topicname, lastseen):
        # The name of the node, including / prefix
        self.nodename = nodename  # type: str

        # The name of the topic, including / prefix
        self.topicname = topicname  # type: str

        # The timestamp when the information about this node was last updated
        self.lastseen = lastseen  # type: float


class TopicStatistic:
    def __init__(self, traffic, lastseen):
        # The amount of messages per second since the last statistic.
        self.traffic = traffic

        # The timestamp when the information about this node was last updated
        self.lastseen = lastseen  # type: float


class Recording:
    def __init__(self):
        # Wheather or not we are currently recording.
        self.is_recording = False  # type: bool

        # The topics selected for recording.
        self.config_topics = []  # type: List[str]

        # The filename that is configued for upcomming recordings.
        self.config_filename = "fakedata"  # type: str

        # The name of the rosbag that is currently recording
        self.recording_file = "/data/bags/fakedata.bag.active"  # type: str

        # The duration of the duration. Only valid if is_recording==True. Seconds
        self.recording_duration = 60  # type: int

        # The size of the recording_file in megabyte
        self.recording_filesize = 1500  # type: int

        # The topics that are being recorded.
        self.recording_topics = []  # type: List[str]

        # When was the recording_* information last refreshed?
        self.lastrefresh_recording = 0  # type: float

        # When was the config_* information last refreshed?
        self.lastrefresh_config = 0  # type: float


class LogbookLine:
    def __init__(self, timestamp, text, rowid=None):
        # The timestamp on which the line resides.
        # If the line is updated the old value is replaced by the new.
        self.timestamp = timestamp  # type: float

        # The multiline and markdown supported text.
        self.text = text  # type: str

        # The id of the row in the database. Optional.
        self.rowid = rowid  # type: int


class SSH:
    def __init__(self):
        # Whether or not the ssh connection is usable.
        self.connected = False  # type: bool

        # The last time a successfull ping over the ssh connection was done
        self.lastping = 0.0  # type: float

        # The single-line result from the `uptime` command.
        # The `uptime` command is used as ssh ping so this field will show anny errors in case `connected` is False
        self.uptime = "unkown"  # type: str


# YES I KNOW ENUMS EXIST BUT I JUST SPENT 90 MINUTES TRYING
# TO GET THEM TO WORK AND I FAILD SO NOW WE USE STRINGS AAH
# IF YOU WANT ENUMS GO AHEAD FIX IT PLZZ thank you
class SystemdServiceRunning:
    def __init__(self):
        pass

    # The service is running
    RUNNING = "running"

    # The service is not running, can be either stopped or crashed.
    STOPPED = "stopped"

    # Something went wrong while retreiving the status of the service.
    ERROR = "error"

    @staticmethod
    def fromstring(s):
        s = s.strip()
        if s == "active":
            return SystemdServiceRunning.RUNNING
        if s == "inactive":
            return SystemdServiceRunning.STOPPED
        return SystemdServiceRunning.ERROR


class SystemdServiceEnabled:
    def __init__(self):
        pass

    # The service is enabled and will start on boot
    ENABLED = "enabled"

    # The service is disabled and won't start on boot
    DISABLED = "disabled"

    # Something went wrong while retreiving the enabled status of the service.
    ERROR = "error"

    @staticmethod
    def fromstring(s):
        s = s.strip()
        if s == "enabled":
            return SystemdServiceEnabled.ENABLED
        if s == "disabled":
            return SystemdServiceEnabled.DISABLED
        return SystemdServiceEnabled.ERROR


class SystemdService:
    def __init__(self, name, running, statustext, enabled, lastupdate):
        # The name of the service, including .service suffix.
        self.name = name  # type: str
        # Is the service running?
        self.running = running  # type: SystemdServiceRunning
        # The output of `systemctl status <servicename>`
        self.statustext = statustext  # type: str
        # Is the service enabled?
        self.enabled = enabled  # type: SystemdServiceEnabled
        # When was this information last updated?
        self.lastupdate = lastupdate  # type: float

