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chore(qualifications): thoughts on the prerequisite modelling

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Steffen Jost 2023-09-25 06:48:49 +00:00
parent 54531a6da9
commit d495a31ad8
1 changed files with 12 additions and 10 deletions
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models/lms.model
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@ -40,18 +40,19 @@ Qualification
-- - PinReset==1 mit bestehendem Passwort kann problemlos erneut gesendet werden
-- - Flag "interner Mitarbeiter" wird von Know-How ignoriert / nicht ausgewertet (legacy)
QualificationPrecondition -- NOTE: this can only be enforced through a background job adding or removing qualifications
qualification QualificationId OnDeleteCascade OnUpdateCascade -- AND: not unique, ie. qualification can have multiple required preconditions
required [QualificationId] -- OR : alternatives, any one will suffice
continuous Bool -- expiring precondition blocks qualification
deriving Generic
-- QualificationPrecondition -- NOTE: this can only be enforced through a background job adding or removing qualifications
-- qualification QualificationId OnDeleteCascade OnUpdateCascade -- AND: not unique, ie. qualification can have multiple required preconditions
-- required [QualificationId] -- OR : alternatives, any one will suffice
-- continuous Bool -- expiring precondition blocks qualification
-- deriving Generic
-- Maybe an alternative for online qualification validity checking, transitivity through recursive CTEs? (already available in our version)
-- QualificationRequirement
-- qualification QualificationId OnDeleteCascade OnUpdateCascade
-- requirement QualificationId OnDeleteCascade OnUpdateCascade
-- group Text -- OR: several requirements within the same group are considered equivalent
-- UniqueQualificationRequirement qualification requirement
QualificationRequirement
qualification QualificationId OnDeleteCascade OnUpdateCascade
requirement QualificationId OnDeleteCascade OnUpdateCascade
group Text -- OR: several requirements within the same group are considered equivalent
UniqueQualificationRequirement qualification requirement
deriving Generic
--
-- TODO: connect Qualification with Exams!
@ -81,6 +82,7 @@ QualificationUserBlock
from UTCTime
reason Text
blocker UserId Maybe
precondition Bool default=false -- if true, this was due to a precondition
deriving Eq Ord Read Show Generic
-- LMS Interface Tables, need regular processing by background jobs, per QualificationId: