feat(tasks): replace PaperlessTask model with structured redesign

Drop the old string-based PaperlessTask table and recreate it with
Status/TaskType/TriggerSource enums, JSONField result storage, and
duration tracking fields. Update all call sites to use the new API.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
stumpylog
2026-04-15 18:34:34 -07:00
co-authored by Claude Sonnet 4.6
parent dc06b679d3
commit ef4e3d31ef
10 changed files with 450 additions and 165 deletions
+128 -56
View File
@@ -3,7 +3,6 @@ from pathlib import Path
from typing import Final
import pathvalidate
from celery import states
from django.conf import settings
from django.contrib.auth.models import Group
from django.contrib.auth.models import User
@@ -663,97 +662,170 @@ class UiSettings(models.Model):
class PaperlessTask(ModelWithOwner):
ALL_STATES = sorted(states.ALL_STATES)
TASK_STATE_CHOICES = sorted(zip(ALL_STATES, ALL_STATES))
"""
Tracks background task execution for user visibility and debugging.
State transitions:
PENDING -> STARTED -> SUCCESS
PENDING -> STARTED -> FAILURE
PENDING -> REVOKED (if cancelled before starting)
"""
class Status(models.TextChoices):
PENDING = "pending", _("Pending")
STARTED = "started", _("Started")
SUCCESS = "success", _("Success")
FAILURE = "failure", _("Failure")
REVOKED = "revoked", _("Revoked")
class TaskType(models.TextChoices):
AUTO = ("auto_task", _("Auto Task"))
SCHEDULED_TASK = ("scheduled_task", _("Scheduled Task"))
MANUAL_TASK = ("manual_task", _("Manual Task"))
CONSUME_FILE = "consume_file", _("Consume File")
TRAIN_CLASSIFIER = "train_classifier", _("Train Classifier")
SANITY_CHECK = "sanity_check", _("Sanity Check")
INDEX_OPTIMIZE = "index_optimize", _("Index Optimize")
INDEX_REBUILD = "index_rebuild", _("Index Rebuild")
MAIL_FETCH = "mail_fetch", _("Mail Fetch")
LLM_INDEX = "llm_index", _("LLM Index")
class TaskName(models.TextChoices):
CONSUME_FILE = ("consume_file", _("Consume File"))
TRAIN_CLASSIFIER = ("train_classifier", _("Train Classifier"))
CHECK_SANITY = ("check_sanity", _("Check Sanity"))
INDEX_OPTIMIZE = ("index_optimize", _("Index Optimize"))
LLMINDEX_UPDATE = ("llmindex_update", _("LLM Index Update"))
class TriggerSource(models.TextChoices):
SCHEDULED = "scheduled", _("Scheduled") # Celery beat
WEB_UI = "web_ui", _("Web UI") # Document uploaded via web
API_UPLOAD = "api_upload", _("API Upload") # Document uploaded via API
FOLDER_CONSUME = "folder_consume", _("Folder Consume") # Consume folder
EMAIL_CONSUME = "email_consume", _("Email Consume") # Email attachment
SYSTEM = (
"system",
_("System"),
) # Auto-triggered by system (self-heal, config side-effect)
MANUAL = "manual", _("Manual") # User explicitly ran via /api/tasks/run/
# Identification
task_id = models.CharField(
max_length=255,
unique=True,
verbose_name=_("Task ID"),
help_text=_("Celery ID for the Task that was run"),
help_text=_("Celery task ID"),
)
acknowledged = models.BooleanField(
default=False,
verbose_name=_("Acknowledged"),
help_text=_("If the task is acknowledged via the frontend or API"),
task_type = models.CharField(
max_length=50,
choices=TaskType.choices,
verbose_name=_("Task Type"),
help_text=_("The kind of work being performed"),
db_index=True,
)
task_file_name = models.CharField(
null=True,
max_length=255,
verbose_name=_("Task Filename"),
help_text=_("Name of the file which the Task was run for"),
)
task_name = models.CharField(
null=True,
max_length=255,
choices=TaskName.choices,
verbose_name=_("Task Name"),
help_text=_("Name of the task that was run"),
trigger_source = models.CharField(
max_length=50,
choices=TriggerSource.choices,
verbose_name=_("Trigger Source"),
help_text=_("What initiated this task"),
db_index=True,
)
# State tracking
status = models.CharField(
max_length=30,
default=states.PENDING,
choices=TASK_STATE_CHOICES,
verbose_name=_("Task State"),
help_text=_("Current state of the task being run"),
choices=Status.choices,
default=Status.PENDING,
verbose_name=_("Status"),
db_index=True,
)
# Timestamps
date_created = models.DateTimeField(
null=True,
default=timezone.now,
verbose_name=_("Created DateTime"),
help_text=_("Datetime field when the task result was created in UTC"),
verbose_name=_("Created"),
db_index=True,
)
date_started = models.DateTimeField(
null=True,
default=None,
verbose_name=_("Started DateTime"),
help_text=_("Datetime field when the task was started in UTC"),
blank=True,
verbose_name=_("Started"),
)
date_done = models.DateTimeField(
null=True,
default=None,
verbose_name=_("Completed DateTime"),
help_text=_("Datetime field when the task was completed in UTC"),
blank=True,
verbose_name=_("Completed"),
db_index=True,
)
result = models.TextField(
# Duration fields -- populated by task_postrun signal handler
duration_seconds = models.FloatField(
null=True,
default=None,
verbose_name=_("Result Data"),
help_text=_(
"The data returned by the task",
),
blank=True,
verbose_name=_("Duration (seconds)"),
help_text=_("Elapsed time from start to completion"),
)
type = models.CharField(
max_length=30,
choices=TaskType.choices,
default=TaskType.AUTO,
verbose_name=_("Task Type"),
help_text=_("The type of task that was run"),
wait_time_seconds = models.FloatField(
null=True,
blank=True,
verbose_name=_("Wait Time (seconds)"),
help_text=_("Time from task creation to worker pickup"),
)
# Input/Output data
input_data = models.JSONField(
default=dict,
blank=True,
verbose_name=_("Input Data"),
help_text=_("Structured input parameters for the task"),
)
result_data = models.JSONField(
null=True,
blank=True,
verbose_name=_("Result Data"),
help_text=_("Structured result data from task execution"),
)
result_message = models.TextField(
null=True,
blank=True,
verbose_name=_("Result Message"),
help_text=_("Human-readable result message"),
)
# Acknowledgment
acknowledged = models.BooleanField(
default=False,
verbose_name=_("Acknowledged"),
db_index=True,
)
class Meta:
verbose_name = _("Task")
verbose_name_plural = _("Tasks")
ordering = ["-date_created"]
indexes = [
models.Index(fields=["status", "date_created"]),
models.Index(fields=["task_type", "status"]),
models.Index(fields=["owner", "acknowledged", "date_created"]),
]
def __str__(self) -> str:
return f"Task {self.task_id}"
return f"{self.get_task_type_display()} [{self.task_id[:8]}]"
@property
def is_complete(self) -> bool:
return self.status in (
self.Status.SUCCESS,
self.Status.FAILURE,
self.Status.REVOKED,
)
@property
def related_document_ids(self) -> list[int]:
if not self.result_data:
return []
if doc_id := self.result_data.get("document_id"):
return [doc_id]
if dup_id := self.result_data.get("duplicate_of"):
return [dup_id]
return []
class Note(SoftDeleteModel):