1aa862738e
Implements the `fork` strategy, allowing the user to create new copies while migrating courses/legacy libraries to v2 libraries.
73 lines
2.0 KiB
Python
73 lines
2.0 KiB
Python
"""
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Value objects
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"""
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from __future__ import annotations
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from enum import Enum
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from openedx.core.djangoapps.content_libraries.api import ContainerType
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class CompositionLevel(Enum):
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"""
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Enumeration of composition levels for legacy content.
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Defined in increasing order of complexity so that `is_higher_than` works correctly.
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"""
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# Components are individual XBlocks, e.g. Problem
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Component = 'component'
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# Container types currently supported by Content Libraries
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Unit = ContainerType.Unit.value
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Subsection = ContainerType.Subsection.value
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Section = ContainerType.Section.value
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@property
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def is_container(self) -> bool:
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return self is not self.Component
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def is_higher_than(self, other: 'CompositionLevel') -> bool:
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"""
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Is this composition level 'above' (more complex than) the other?
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"""
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levels: list[CompositionLevel] = list(self.__class__)
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return levels.index(self) > levels.index(other)
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@classmethod
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def supported_choices(cls) -> list[tuple[str, str]]:
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"""
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Returns all supported composition levels as a list of tuples,
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for use in a Django Models ChoiceField.
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"""
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return [
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(composition_level.value, composition_level.name)
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for composition_level in cls
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]
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class RepeatHandlingStrategy(Enum):
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"""
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Enumeration of repeat handling strategies for imported content.
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"""
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Skip = 'skip'
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Fork = 'fork'
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Update = 'update'
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@classmethod
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def supported_choices(cls) -> list[tuple[str, str]]:
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"""
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Returns all supported repeat handling strategies as a list of tuples,
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for use in a Django Models ChoiceField.
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"""
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return [
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(strategy.value, strategy.name)
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for strategy in cls
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]
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@classmethod
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def default(cls) -> RepeatHandlingStrategy:
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"""
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Returns the default repeat handling strategy.
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"""
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return cls.Skip
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