276 lines
8.9 KiB
Python
276 lines
8.9 KiB
Python
from django.conf import settings
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from django.contrib.contenttypes.fields import GenericForeignKey
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from django.contrib.contenttypes.models import ContentType
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from django.db import models
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from django.utils import timezone
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from employees.models import Department
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class TaskPriority(models.TextChoices):
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LOW = "low", "Низкий"
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MEDIUM = "medium", "Средний"
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HIGH = "high", "Высокий"
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CRITICAL = "critical", "Критический"
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class TaskBoard(models.Model):
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name = models.CharField("Название", max_length=255)
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description = models.TextField("Описание", blank=True)
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created_by = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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on_delete=models.PROTECT,
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related_name="created_task_boards",
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verbose_name="Создал",
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)
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members = models.ManyToManyField(
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settings.AUTH_USER_MODEL,
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blank=True,
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related_name="task_boards",
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verbose_name="Участники",
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)
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departments = models.ManyToManyField(
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Department,
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blank=True,
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related_name="task_boards",
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verbose_name="Отделы",
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)
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is_archived = models.BooleanField("Архивная", default=False)
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created_at = models.DateTimeField("Создано", auto_now_add=True)
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updated_at = models.DateTimeField("Обновлено", auto_now=True)
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class Meta:
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verbose_name = "Доска задач"
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verbose_name_plural = "Доски задач"
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ordering = ["name", "id"]
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def __str__(self):
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return self.name
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class TaskColumn(models.Model):
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board = models.ForeignKey(
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TaskBoard,
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on_delete=models.CASCADE,
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related_name="columns",
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verbose_name="Доска",
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)
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name = models.CharField("Название", max_length=120)
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position = models.PositiveIntegerField("Позиция", default=0)
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color = models.CharField("Цвет", max_length=32, blank=True)
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is_done = models.BooleanField("Финальная колонка", default=False)
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is_archived = models.BooleanField("Архивная", default=False)
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created_at = models.DateTimeField("Создано", auto_now_add=True)
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updated_at = models.DateTimeField("Обновлено", auto_now=True)
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class Meta:
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verbose_name = "Колонка задач"
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verbose_name_plural = "Колонки задач"
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ordering = ["position", "id"]
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constraints = [
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models.UniqueConstraint(
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fields=["board", "name"],
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name="uniq_task_column_board_name",
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)
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]
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def __str__(self):
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return f"{self.board}: {self.name}"
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class TaskLabel(models.Model):
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board = models.ForeignKey(
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TaskBoard,
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on_delete=models.CASCADE,
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related_name="labels",
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verbose_name="Доска",
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)
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name = models.CharField("Название", max_length=80)
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color = models.CharField("Цвет", max_length=32, default="#38bdf8")
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class Meta:
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verbose_name = "Метка задачи"
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verbose_name_plural = "Метки задач"
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ordering = ["name", "id"]
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constraints = [
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models.UniqueConstraint(
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fields=["board", "name"],
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name="uniq_task_label_board_name",
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)
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]
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def __str__(self):
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return self.name
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class Task(models.Model):
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board = models.ForeignKey(
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TaskBoard,
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on_delete=models.CASCADE,
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related_name="tasks",
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verbose_name="Доска",
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)
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column = models.ForeignKey(
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TaskColumn,
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on_delete=models.PROTECT,
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related_name="tasks",
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verbose_name="Колонка",
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)
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title = models.CharField("Название", max_length=255)
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description = models.TextField("Описание", blank=True)
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created_by = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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on_delete=models.PROTECT,
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related_name="created_tasks",
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verbose_name="Создал",
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)
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assignee = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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related_name="assigned_tasks",
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verbose_name="Исполнитель",
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)
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labels = models.ManyToManyField(
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TaskLabel,
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blank=True,
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related_name="tasks",
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verbose_name="Метки",
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)
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priority = models.CharField(
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"Приоритет",
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max_length=20,
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choices=TaskPriority.choices,
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default=TaskPriority.MEDIUM,
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)
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due_date = models.DateField("Срок", null=True, blank=True)
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position = models.PositiveIntegerField("Позиция", default=0)
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completed_at = models.DateTimeField("Завершено", null=True, blank=True)
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created_at = models.DateTimeField("Создано", auto_now_add=True)
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updated_at = models.DateTimeField("Обновлено", auto_now=True)
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class Meta:
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verbose_name = "Задача"
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verbose_name_plural = "Задачи"
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ordering = ["position", "-created_at", "id"]
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indexes = [
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models.Index(fields=["board", "column", "position"]),
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models.Index(fields=["assignee", "due_date"]),
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]
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def __str__(self):
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return self.title
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def save(self, *args, **kwargs):
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if self.column_id and self.board_id != self.column.board_id:
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self.board_id = self.column.board_id
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if self.column_id and self.column.is_done and not self.completed_at:
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self.completed_at = timezone.now()
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elif self.column_id and not self.column.is_done:
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self.completed_at = None
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super().save(*args, **kwargs)
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class TaskLinkedObjectKind(models.TextChoices):
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MESSAGE = "message", "Сообщение"
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CALENDAR_EVENT = "calendar_event", "Календарное событие"
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class TaskActivityAction(models.TextChoices):
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CREATED = "created", "Создал задачу"
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UPDATED = "updated", "Обновил задачу"
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MOVED = "moved", "Переместил задачу"
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LINKED = "linked", "Связал объект"
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UNLINKED = "unlinked", "Убрал связь"
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class TaskActivity(models.Model):
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task = models.ForeignKey(
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Task,
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on_delete=models.CASCADE,
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related_name="activities",
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verbose_name="Задача",
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)
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actor = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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related_name="task_activities",
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verbose_name="Исполнитель",
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)
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action = models.CharField(
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"Действие",
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max_length=32,
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choices=TaskActivityAction.choices,
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)
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object_kind = models.CharField(
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"Тип объекта",
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max_length=32,
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choices=TaskLinkedObjectKind.choices,
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blank=True,
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)
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object_id = models.PositiveBigIntegerField("ID объекта", null=True, blank=True)
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metadata = models.JSONField("Метаданные", default=dict, blank=True)
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created_at = models.DateTimeField("Создано", auto_now_add=True)
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class Meta:
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verbose_name = "История задачи"
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verbose_name_plural = "История задач"
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ordering = ["-created_at", "-id"]
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indexes = [
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models.Index(fields=["task", "-created_at"]),
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]
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def __str__(self):
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return f"{self.task} - {self.action}"
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class TaskLinkedObject(models.Model):
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task = models.ForeignKey(
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Task,
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on_delete=models.CASCADE,
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related_name="linked_objects",
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verbose_name="Задача",
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)
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kind = models.CharField(
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"Тип связи",
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max_length=32,
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choices=TaskLinkedObjectKind.choices,
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)
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content_type = models.ForeignKey(
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ContentType,
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on_delete=models.CASCADE,
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verbose_name="Тип объекта",
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)
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object_id = models.PositiveBigIntegerField("ID объекта")
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content_object = GenericForeignKey("content_type", "object_id")
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created_by = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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on_delete=models.PROTECT,
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related_name="created_task_links",
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verbose_name="Связал",
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)
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created_at = models.DateTimeField("Создано", auto_now_add=True)
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metadata = models.JSONField("Метаданные", default=dict, blank=True)
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class Meta:
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verbose_name = "Связанный объект задачи"
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verbose_name_plural = "Связанные объекты задач"
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ordering = ["-created_at", "-id"]
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constraints = [
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models.UniqueConstraint(
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fields=["task", "content_type", "object_id"],
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name="uniq_task_linked_object",
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)
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]
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indexes = [
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models.Index(fields=["task", "kind"]),
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models.Index(fields=["content_type", "object_id"]),
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]
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def __str__(self):
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return f"{self.task} -> {self.kind}:{self.object_id}"
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