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Backend/farmer_todos/migrations/0002_merge_todos_into_calendar.py
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2026-05-02 04:49:29 +03:30
from django.db import migrations
def forwards(apps, schema_editor):
TodoZone = apps.get_model("farmer_todos", "FarmerTodoZone")
TodoTag = apps.get_model("farmer_todos", "FarmerTodoTag")
TodoTask = apps.get_model("farmer_todos", "FarmerTodoTask")
CalendarZone = apps.get_model("farmer_calendar", "FarmerCalendarZone")
CalendarTag = apps.get_model("farmer_calendar", "FarmerCalendarTag")
CalendarEvent = apps.get_model("farmer_calendar", "FarmerCalendarEvent")
zone_map = {}
for todo_zone in TodoZone.objects.all().iterator():
calendar_zone, _ = CalendarZone.objects.get_or_create(
farm_id=todo_zone.farm_id,
value=todo_zone.value,
defaults={
"uuid": todo_zone.uuid,
"label": todo_zone.label,
"is_active": todo_zone.is_active,
"created_at": todo_zone.created_at,
"updated_at": todo_zone.updated_at,
},
)
updated = False
if calendar_zone.label != todo_zone.label:
calendar_zone.label = todo_zone.label
updated = True
if calendar_zone.is_active != todo_zone.is_active:
calendar_zone.is_active = todo_zone.is_active
updated = True
if updated:
calendar_zone.save(update_fields=["label", "is_active", "updated_at"])
zone_map[todo_zone.id] = calendar_zone
tag_map = {}
for todo_tag in TodoTag.objects.all().iterator():
calendar_tag, _ = CalendarTag.objects.get_or_create(
farm_id=todo_tag.farm_id,
value=todo_tag.value,
defaults={
"uuid": todo_tag.uuid,
"label": todo_tag.label,
"is_active": todo_tag.is_active,
"created_at": todo_tag.created_at,
"updated_at": todo_tag.updated_at,
},
)
updated = False
if calendar_tag.label != todo_tag.label:
calendar_tag.label = todo_tag.label
updated = True
if calendar_tag.is_active != todo_tag.is_active:
calendar_tag.is_active = todo_tag.is_active
updated = True
if updated:
calendar_tag.save(update_fields=["label", "is_active", "updated_at"])
tag_map[todo_tag.id] = calendar_tag
through_model = TodoTask.tags.through
task_tags = {}
for relation in through_model.objects.all().iterator():
task_tags.setdefault(relation.farmertodotask_id, []).append(relation.farmertodotag_id)
for todo_task in TodoTask.objects.all().iterator():
calendar_event, created = CalendarEvent.objects.get_or_create(
farm_id=todo_task.farm_id,
title=todo_task.title,
scheduled_date=todo_task.scheduled_date,
time=todo_task.time,
defaults={
"zone": zone_map.get(todo_task.zone_id),
"description": todo_task.note,
"priority": todo_task.priority,
"status": todo_task.status,
"created_at": todo_task.created_at,
"updated_at": todo_task.updated_at,
},
)
if not created:
calendar_event.zone = zone_map.get(todo_task.zone_id)
calendar_event.description = todo_task.note
calendar_event.priority = todo_task.priority
calendar_event.status = todo_task.status
calendar_event.save(update_fields=["zone", "description", "priority", "status", "updated_at"])
calendar_tags = [tag_map[tag_id] for tag_id in task_tags.get(todo_task.id, []) if tag_id in tag_map]
if calendar_tags:
calendar_event.tags.set(calendar_tags)
def backwards(apps, schema_editor):
pass
class Migration(migrations.Migration):
dependencies = [
("farmer_calendar", "0001_initial"),
("farmer_todos", "0001_initial"),
]
operations = [
migrations.RunPython(forwards, backwards),
]