AuthorshipStatementDefinition
    content StoredMarkup  -- must contain statements in all relevant languages for now, TODO: refactor (use translations as below)
    deriving Generic
-- AuthorshipStatementDefinitionTranslation
--     definition AuthorshipStatementDefinitionId
--     language Lang
--     content StoredMarkup
--     UniqueAuthorshipStatementDefinitionTranslation definition language
--     deriving Generic

-- Statement of Authorship to be issued upon submitting a solution for an exercise sheet
-- TODO: maybe move to SubmissionUser? (With statementSigned :: Bool, statement :: Maybe StoredMarkup)
AuthorshipStatementSubmission
    submissionUser SubmissionUserId
    statement StoredMarkup  -- stored as plain StoredMarkup as the "signed" statement needs to be persisted
    UniqueAuthorshipStatementSubmission submissionUser
    deriving Generic