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from django.utils.translation import gettext as _
from aleksis.apps.chronos import models as chronos_models
from aleksis.core import models as core_models
from ... import models as mysql_models
from .importers.common_data import (
import_subjects,
import_classes,
import_rooms,
import_supervision_areas,
import_teachers,
import_time_periods_and_breaks,
)
from .util import (
untis_split_third,
untis_date_to_date,
run_default_filter,
)
def untis_import_mysql():
# Coomon data for Chronos
subjects_ref = import_subjects()
rooms_ref = import_rooms()
supervision_areas_ref = import_supervision_areas()
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# Common data for core
teachers_ref = import_teachers()
classes_ref = import_classes(teachers_ref)
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# Time periods
time_periods_ref = import_time_periods_and_breaks()
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# Lessons
lessons = run_default_filter(mysql_models.Lesson.objects)
for lesson in lessons:
lesson_id = lesson.lesson_id
messages.info(None, message=_("Import lesson {}").format(lesson_id))
if not lesson.lesson_tt:
messages.warning(
None,
message=_("Skip lesson {} because there are missing times.").format(
lesson_id
),
)
continue
# Split data (,)
raw_lesson_data = lesson.lessonelement1.split(",")
raw_time_data = lesson.lesson_tt.split(",")
raw_time_data_2 = []
for el in raw_time_data:
# Split data (~)
raw_time_data_2.append(el.split("~"))
# Get time periods and rooms
time_periods = []
rooms_per_periods = []
for el in raw_time_data_2:
day = int(el[1])
hour = int(el[2])
room_ids = untis_split_third(el[3], conv=int)
# Get rooms
rooms = []
for room_id in room_ids:
r = rooms_ref[room_id]
rooms.append(r)
# Get time period
time_period = time_periods_ref[day - 1][hour - 1]
time_periods.append(time_period)
rooms_per_periods.append(rooms)
# Split data more (~)
raw_lesson_data_2 = []
for el in raw_lesson_data:
raw_lesson_data_2.append(el.split("~"))
# All part lessons (courses)
for i, el in enumerate(raw_lesson_data_2):
# Get plain ids
teacher_id = int(el[0])
subject_id = int(el[2])
class_ids = untis_split_third(el[17], conv=int)
# Get teacher
if teacher_id != 0:
teacher = teachers_ref[teacher_id]
else:
teacher = None
# Get subject
if subject_id != 0:
subject = subjects_ref[subject_id]
else:
messages.warning(
None,
message=_(
"Skip lesson {}, element {} because there is missing a subject.".format(
lesson_id, i
)
),
)
continue
# raise Exception("Subject needed.")
# Get classes
course_classes = []
for class_id in class_ids:
c = classes_ref[class_id]
course_classes.append(c)
# Build names and refs for course groups
short_name = "{}-{}".format(
"".join([c.short_name for c in course_classes]), subject.abbrev
)
name = "{}: {}".format(
", ".join([c.short_name for c in course_classes]), subject.abbrev
)
import_ref = "{}-{}".format(lesson_id, i)
# Get or create course group
course_group, created = core_models.Group.objects.get_or_create(
short_name=short_name, defaults={"name": name}
)
course_group.import_ref = import_ref
course_group.name = name
course_group.save()
course_group.parent_groups.set(course_classes)
# Create new lesson
date_start = untis_date_to_date(TERM.datefrom)
date_end = untis_date_to_date(TERM.dateto)
lesson = chronos_models.Lesson.objects.create(
subject=subject, date_start=date_start, date_end=date_end
)
# Set groups
lesson.groups.set([course_group])
# Set teacher
if teacher:
lesson.teachers.set([teacher])
# All times for this course
for j, time_period in enumerate(time_periods):
rooms = rooms_per_periods[j]
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if i < len(rooms):
lesson.periods.add(time_period, through_defaults={"room": rooms[i]})
else:
lesson.periods.add(time_period)