46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
"""
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Courseware BlockTransformer implementations
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"""
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from openedx.core.djangoapps.content.block_structure.transformer import (
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BlockStructureTransformer,
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FilteringTransformerMixin,
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)
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class OpenAssessmentDateTransformer(FilteringTransformerMixin, BlockStructureTransformer):
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"""
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BlockTransformer to collect all fields related to dates for openassessment problems.
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"""
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WRITE_VERSION = 1
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READ_VERSION = 1
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@classmethod
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def name(cls):
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"""
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Unique identifier for the transformer's class;
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same identifier used in setup.py.
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"""
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return "content_type_gate"
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@classmethod
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def collect(cls, block_structure):
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"""
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Collects any information that's necessary to execute this
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transformer's transform method.
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"""
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block_structure.request_xblock_fields(
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'valid_assessments',
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'submission_start',
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'submission_due',
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'title',
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'graded',
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'format',
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'has_score',
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)
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def transform_block_filters(self, usage_info, block_structure):
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# This Transformer exists only to collect fields needed by other code, so it
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# doesn't transform the tree.
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return block_structure.create_universal_filter()
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