86 lines
2.6 KiB
Python
86 lines
2.6 KiB
Python
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import json
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from datetime import datetime
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from json.encoder import JSONEncoder
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from pathlib import Path
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DATA_DIR = Path.home().joinpath(".targetdata")
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class TargetEncoder(JSONEncoder):
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def default(self, o):
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if isinstance(o, datetime):
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return o.strftime("%m/%d/%Y - %H:%M")
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else:
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return o.__dict__
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class TargetPoint:
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def __init__(self, datestr: str, value: int) -> None:
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self.datetime = datetime.strptime(datestr, "%m/%d/%Y - %H:%M")
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self.value = value
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class Target:
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def __init__(self, name: str, points: list[TargetPoint]):
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self.name = name
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self.points = points
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def rename(self, name):
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"""Rename the Target."""
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DATA_DIR.joinpath(f"{self.name}.json").rename(
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DATA_DIR.joinpath(f"{name}.json"))
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self.name = name
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self.save()
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def delete(self):
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"""Delete the Target."""
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filepath = DATA_DIR.joinpath(f"{self.name}.json")
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filepath.unlink()
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def to_json(self):
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"""Convert Target object to JSON."""
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return json.dumps(self, indent=4, cls=TargetEncoder)
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def save(self):
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"""Save the tracker to JSON."""
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DATA_DIR.mkdir(exist_ok=True)
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filepath = DATA_DIR.joinpath(f"{self.name}.json")
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filepath.touch(exist_ok=True)
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filepath.write_text(self.to_json())
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def modify_point(self, datestr: str, value: int):
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"""Modify a point. Change its assigned value to the one given."""
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date_time = datetime.strptime(datestr, "%m/%d/%Y - %H:%M")
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for point in self.points:
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if point.datetime == date_time:
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point.value = value
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break
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self.save()
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def add_point(self, datestr: str, value: int):
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"""Add a point to the tracker."""
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point = TargetPoint(datestr, value)
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self.points.append(point)
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self.save()
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def delete_point(self, datestr: str):
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"""Remove a point from the tracker."""
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date_time = datetime.strptime(datestr, "%m/%d/%Y - %H:%M")
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for point in self.points:
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if point.datetime == date_time:
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self.points.remove(point)
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break
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self.save()
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@classmethod
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def from_data(cls, name):
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"""Load a target from the DATA_DIR."""
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filepath = DATA_DIR.joinpath(f"{name}.json")
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return cls.from_json(filepath.read_text())
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@classmethod
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def from_json(cls, json_str):
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"""Load a target from a JSON string."""
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obj = json.loads(json_str)
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return cls(obj['name'], obj['points'])
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