@prefix sh: <http://www.w3.org/ns/shacl#> .
@prefix lfal: <https://www.mpeters.dev/ns/lfal#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

# SHACL companion to shapes/studyStreak.shex — see SOLID_DATA_MODEL.md §7.
# Derived cache, subject is always <#it>.

lfal:StudyStreakShape
  a sh:NodeShape ;
  sh:targetClass lfal:StudyStreak ;
  sh:name "Study streak" ;
  sh:description "Derived study-streak cache (current/longest streak, total days, last 14 days) — never a primary source of truth, always recomputable from sessions." ;
  sh:property
    [ sh:path dcterms:modified ; sh:datatype xsd:dateTime ; sh:minCount 1 ; sh:maxCount 1 ] ,
    [ sh:path lfal:currentStreak ; sh:datatype xsd:integer ; sh:minCount 1 ; sh:maxCount 1 ] ,
    [ sh:path lfal:longestStreak ; sh:datatype xsd:integer ; sh:minCount 1 ; sh:maxCount 1 ] ,
    [ sh:path lfal:totalDays ; sh:datatype xsd:integer ; sh:minCount 1 ; sh:maxCount 1 ] ,
    [ sh:path lfal:last14 ; sh:datatype xsd:string ; sh:minCount 1 ; sh:maxCount 1 ] .