259 lines
11 KiB
Python
259 lines
11 KiB
Python
import json
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from logging import getLogger
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from django.core.management import BaseCommand
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from django.core.exceptions import ValidationError
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from books.models import Chapter, ObjectiveGroupSnapshot, Snapshot, ContentBlockSnapshot, ChapterSnapshot
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from books.models import ContentBlock
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from books.models import Module
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from objectives.models import ObjectiveSnapshot, Objective, ObjectiveGroup
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logger = getLogger(__name__)
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class Command(BaseCommand):
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def handle(self, *args, **options):
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ContentBlock.objects.filter(title__startswith="TESTOBJECTIVE").delete()
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ContentBlock.objects.filter(title__startswith="CUSTOM").delete()
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Chapter.objects.filter(title__startswith="TESTOBJECTIVE").delete()
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ContentBlock.objects.filter(title__startswith="XXX").delete()
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Chapter.objects.filter(title__startswith="XXX").delete()
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created_content_blocks = 0
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failed_modules = []
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# This dict stores all content blocks that have been created for a set of objectives
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# In this way we can reuse content blocks for the same set of objectives
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created_default_content_blocks = {}
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for module in Module.objects.filter(title="Politik mitbestimmen"):
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try:
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chapter = create_chapter_from_objective_group(module)
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for objective_group in module.objective_groups.all():
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default_objectives = list(objective_group.objectives.filter(owner__isnull=True, )
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.exclude(objectivesnapshot__isnull=False).order_by('order'))
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default_objectives_ids = tuple(objective.id for objective in default_objectives)
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# Create "Verlagsinhalte" content block if it does not exist yet
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if default_objectives_ids not in created_default_content_blocks:
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default_content_block = create_default_content(objective_group, chapter)
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created_default_content_blocks[default_objectives_ids] = default_content_block
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else:
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default_content_block = created_default_content_blocks[default_objectives_ids]
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custom_objectives_by_owner = get_objectives_by_owner(objective_group)
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if default_objectives or custom_objectives_by_owner:
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contentblocks_by_merged_objectives_ids = {}
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for owner, owner_objectives in custom_objectives_by_owner.items():
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print(f"Owner: {owner}")
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print(f" Objectives: ")
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visible_default_objectives_by_class = remove_hidden_objectives(default_objectives, owner)
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for school_class in visible_default_objectives_by_class.keys():
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custom_content_block = None
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print(f" School class: {school_class}")
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# merge "Verlagsinhalte" and "benutzerdefinierte Inhalte"
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merged_objectives = visible_default_objectives_by_class[school_class] + owner_objectives
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merged_objectives_ids = tuple(objective.id for objective in merged_objectives)
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# Create content block if that set of objectives has not been created yet
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if merged_objectives_ids not in contentblocks_by_merged_objectives_ids:
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for objective in merged_objectives:
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print(f" Objective: {objective} {objective.owner}")
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if merged_objectives_ids:
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custom_content_block = create_content_block_from_objective(objective_group, chapter,
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owner=owner, prefix=f"CUSTOM {owner.username} ")
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contentblocks_by_merged_objectives_ids[merged_objectives_ids] = custom_content_block
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create_text_in_content_block(merged_objectives, custom_content_block)
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created_content_blocks += 1
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else:
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print(f" Objective: Reuse content block")
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custom_content_block = contentblocks_by_merged_objectives_ids[merged_objectives_ids]
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# set visibility
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# hide default objectives if custom objectives exist
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current_block = contentblocks_by_merged_objectives_ids.get(merged_objectives_ids)
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if current_block:
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# default_content_block.hidden_for.add(school_class)
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# default_content_block.save_revision().publish()
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# default_content_block.save()
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# created_default_content_blocks[default_objectives_ids] = default_content_block
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pass
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current_block.visible_for.add(school_class)
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current_block.save_revision().publish()
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current_block.save()
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if custom_content_block:
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pass
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# default_content_block.hidden_for.add(school_class)
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# default_content_block.save()
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#
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# custom_content_block.visible_for.add(school_class)
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# custom_content_block.save()
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except ValidationError as e:
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print(f"Error with module {module}")
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logger.error(e)
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failed_modules.append(module)
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print(f"Created {created_content_blocks} content blocks")
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print(f"Failed modules: {len(failed_modules)}")
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for module in failed_modules:
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print(f"Faile module: {module}")
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def create_default_content(objective_group, chapter):
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"""Create Verlagsinhalt Lernziele"""
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print(f" Objective group: {objective_group}")
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print(" Default objectives:")
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default_objectives = list(objective_group.objectives.filter(owner__isnull=True, objectivesnapshot__isnull=True).order_by('id'))
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default_content_block = create_content_block_from_objective(objective_group, chapter, prefix="XXX YYY ")
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create_text_in_content_block(default_objectives, default_content_block)
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for objective in default_objectives:
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print(f" Objective: {objective} {objective.owner}")
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return default_content_block
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def remove_hidden_objectives(objectives, user):
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school_classes = user.school_classes.all()
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visible_objectives = {}
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for school_class in school_classes:
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if school_class not in visible_objectives:
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visible_objectives[school_class] = []
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objectives_vis = [objective for objective in objectives if not objective.is_hidden_for_class(school_class)]
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visible_objectives[school_class].extend(objectives_vis)
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return visible_objectives
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def get_objectives_by_owner(objective_group, exclude_snapshots=True):
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custom_objectives = objective_group.objectives.filter(owner__isnull=False).exclude(
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objectivesnapshot__isnull=False).order_by('order')
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custom_objectives_by_owner = {}
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for objective in custom_objectives:
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owner = objective.owner
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if owner not in custom_objectives_by_owner:
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custom_objectives_by_owner[owner] = []
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custom_objectives_by_owner[owner].append(objective)
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# add owners with hidden default objectives to custom objectives, needed for further processing
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hidden_default_objectives = list(
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objective_group.objectives.filter(owner__isnull=True, objectivesnapshot__isnull=True, hidden_for__isnull=False))
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for hidden_default_objective in hidden_default_objectives:
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for school_class in hidden_default_objective.hidden_for.all():
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for teacher in school_class.get_teachers():
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if teacher not in custom_objectives_by_owner:
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custom_objectives_by_owner[teacher] = []
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return custom_objectives_by_owner
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def create_chapter_from_objective_group(module, prefix="XXX "):
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chapter = Chapter(title=f"{prefix}Lernziele")
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first_sibling = module.get_first_child()
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if first_sibling is not None:
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first_sibling.add_sibling(instance=chapter, pos='left')
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chapter.save_revision().publish()
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chapter.save()
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return chapter
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def create_chapter_snapshot_from_objective_group(module, snapshot, prefix="XXX "):
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chapter = Chapter.objects.filter(parent=module, title=f"{prefix}Lernziele").first()
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chapter_snapshot = ChapterSnapshot(title=f"{prefix}Lernziele", snapshot=snapshot)
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first_sibling = module.get_first_child()
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if first_sibling is not None:
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first_sibling.add_sibling(instance=chapter_snapshot, pos='left')
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return chapter
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def create_content_block_from_objective(objective_group, chapter, owner=None, prefix="XXX "):
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content_block = ContentBlock(
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title=f"{prefix}{objective_group.get_title_display()}",
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type="normal",
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owner=owner,
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user_created=owner is not None,
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original_creator=owner
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)
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chapter.add_child(instance=content_block)
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return content_block
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def create_content_block_snapshot_from_objective(objective_group, chapter, snapshot, owner=None, prefix="XXX "):
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content_block_snapshot = ContentBlockSnapshot(
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title=f"{prefix}{objective_group.get_title_display()}",
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type="normal",
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owner=owner,
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user_created=owner is not None,
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snapshot=snapshot
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)
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chapter.add_child(instance=content_block_snapshot)
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return content_block_snapshot
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def create_text_in_content_block(objectives, content_block):
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objectives = list(objectives)
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objective_texts = set([objective.text for objective in objectives])
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objective_li = [f"<li>{objective.text} -{objective.owner}- </li>" for objective in objectives if objective.text]
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texts = [{'type': 'text_block',
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'value': {
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'text': f"<ul> {''.join(str(i) for i in objective_li)} </ul>"
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}}]
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content_block.contents = json.dumps(texts)
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content_block.save_revision().publish()
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return content_block
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def analyze():
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print(f"""
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OjectiveGroups: {ObjectiveGroup.objects.count()}
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Objectives: {Objective.objects.count()}
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ObjectiveGroupSnapshots: {ObjectiveGroupSnapshot.objects.count()}
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ObjectivesSnapshots: {ObjectiveSnapshot.objects.filter(hidden=True).count()}
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ObjectiveGroups: {ObjectiveGroup.objects.filter(objectivegroupsnapshot__isnull=True).count()}
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Objectives: {Objective.objects.filter(objectivesnapshot__isnull=True).count()}
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Snapshot: {Snapshot.objects.count()}
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""")
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def clean_snapshots():
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emails = ["mia.teacher", "simone.gerber", "pascal.sigg", "dario.aebersold", "steph-teacher"]
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for snapshot in Snapshot.objects.all():
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for email in emails:
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if email in snapshot.creator.email:
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print(f"Deleting snapshot {email}")
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snapshot.delete()
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