timetracker/games/models.py

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from datetime import datetime, timedelta
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from typing import Any
from zoneinfo import ZoneInfo
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from common.time import format_duration
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from django.conf import settings
from django.db import models
from django.db.models import F, Manager, Sum
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class Game(models.Model):
name = models.CharField(max_length=255)
wikidata = models.CharField(max_length=50)
def __str__(self):
return self.name
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class Edition(models.Model):
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game = models.ForeignKey("Game", on_delete=models.CASCADE)
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name = models.CharField(max_length=255)
platform = models.ForeignKey("Platform", on_delete=models.CASCADE)
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year_released = models.IntegerField(default=datetime.today().year)
wikidata = models.CharField(max_length=50, null=True, blank=True, default=None)
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def __str__(self):
return self.name
class Purchase(models.Model):
PHYSICAL = "ph"
DIGITAL = "di"
DIGITALUPGRADE = "du"
RENTED = "re"
BORROWED = "bo"
TRIAL = "tr"
DEMO = "de"
PIRATED = "pi"
OWNERSHIP_TYPES = [
(PHYSICAL, "Physical"),
(DIGITAL, "Digital"),
(DIGITALUPGRADE, "Digital Upgrade"),
(RENTED, "Rented"),
(BORROWED, "Borrowed"),
(TRIAL, "Trial"),
(DEMO, "Demo"),
(PIRATED, "Pirated"),
]
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edition = models.ForeignKey("Edition", on_delete=models.CASCADE)
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platform = models.ForeignKey("Platform", on_delete=models.CASCADE)
date_purchased = models.DateField()
date_refunded = models.DateField(blank=True, null=True)
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price = models.IntegerField(default=0)
price_currency = models.CharField(max_length=3, default="USD")
ownership_type = models.CharField(
max_length=2, choices=OWNERSHIP_TYPES, default=DIGITAL
)
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def __str__(self):
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platform_info = self.platform
if self.platform != self.edition.platform:
platform_info = f"{self.edition.platform} version on {self.platform}"
return f"{self.edition} ({platform_info}, {self.edition.year_released}, {self.get_ownership_type_display()})"
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class Platform(models.Model):
name = models.CharField(max_length=255)
group = models.CharField(max_length=255)
def __str__(self):
return self.name
class SessionQuerySet(models.QuerySet):
def total_duration_formatted(self):
return format_duration(self.total_duration_unformatted())
def total_duration_unformatted(self):
result = self.aggregate(
duration=Sum(F("duration_calculated") + F("duration_manual"))
)
return result["duration"]
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class Session(models.Model):
purchase = models.ForeignKey("Purchase", on_delete=models.CASCADE)
timestamp_start = models.DateTimeField()
timestamp_end = models.DateTimeField(blank=True, null=True)
duration_manual = models.DurationField(blank=True, null=True, default=timedelta(0))
duration_calculated = models.DurationField(blank=True, null=True)
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device = models.ForeignKey("Device", on_delete=models.CASCADE, null=True)
note = models.TextField(blank=True, null=True)
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objects = SessionQuerySet.as_manager()
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def __str__(self):
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mark = ", manual" if self.duration_manual != None else ""
return f"{str(self.purchase)} {str(self.timestamp_start.date())} ({self.duration_formatted()}{mark})"
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def finish_now(self):
self.timestamp_end = datetime.now(ZoneInfo(settings.TIME_ZONE))
def start_now():
self.timestamp_start = datetime.now(ZoneInfo(settings.TIME_ZONE))
def duration_seconds(self) -> timedelta:
manual = timedelta(0)
calculated = timedelta(0)
if not self.duration_manual in (None, 0, timedelta(0)):
manual = self.duration_manual
if self.timestamp_end != None and self.timestamp_start != None:
calculated = self.timestamp_end - self.timestamp_start
return timedelta(seconds=(manual + calculated).total_seconds())
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def duration_formatted(self) -> str:
result = format_duration(self.duration_seconds(), "%H:%m")
return result
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@property
def duration_sum(self) -> str:
return Session.objects.all().total_duration_formatted()
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def save(self, *args, **kwargs):
if self.timestamp_start != None and self.timestamp_end != None:
self.duration_calculated = self.timestamp_end - self.timestamp_start
else:
self.duration_calculated = timedelta(0)
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super(Session, self).save(*args, **kwargs)
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class Device(models.Model):
PC = "pc"
CONSOLE = "co"
HANDHELD = "ha"
MOBILE = "mo"
SBC = "sbc"
DEVICE_TYPES = [
(PC, "PC"),
(CONSOLE, "Console"),
(HANDHELD, "Handheld"),
(MOBILE, "Mobile"),
(SBC, "Single-board computer"),
]
name = models.CharField(max_length=255)
type = models.CharField(max_length=3, choices=DEVICE_TYPES, default=PC)
def __str__(self):
return f"{self.name} ({self.get_type_display()})"