Table edumaterial_types

Purpose: store types of material we have

• type: encoded type
• description: textual description of type like slides, HTML lecture, homework, CCTF

Table edumaterial_shared

Purpose: store all shared materials

• ID: unique ID
• type: encoded type
• access: student/teacher
• title
• location folder or binary content
• author contact: who's responsible for keeping this up to date
• tags: space or comma separated list of tags one could search on to find this content

Table class_assignments

Purpose: Record what is assigned per class, allow for versioning of materials specific to class

• ID: unique ID
• title
• location folder or binary folder
• PID of the class that's adopting it
• GID of the group that's assigned to
• state: prepared/assigned/expired
• due_on: date when it is due
• after_due: show/hide

Table student_assignments =

Purpose: Record what is assigned per student, allow for submissions

• ID: unique ID
• assignment_ID: ID from class_assignments
• student_ID: uid from users
• state: submitted/not submitted
• submission_time: datetime
• submission: binary record or folder where submitted materials are