Remove the "availability" field from the Lesson, Quiz, and Attachment entities
The field availability should be removed from the Lesson, Quiz, and Attachment entities. It should instead be moved to the top level of the Cooperation entity (Issue #905). This is because resources are added as links within the Cooperation entity, and the availability of these resources should be set at the Cooperation level. Having availability at the entity level would be redundant and inconsistent, as it could change independently for resources added as links:
Remove the "
availability" field from theLesson,Quiz, andAttachmententitiesThe field
availabilityshould be removed from theLesson,Quiz, andAttachmententities. It should instead be moved to the top level of theCooperationentity (Issue #905). This is because resources are added as links within theCooperationentity, and theavailabilityof these resources should be set at theCooperationlevel. Havingavailabilityat the entity level would be redundant and inconsistent, as it could change independently for resources added as links: