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docs(c4): add GeschichteQueryService component; fix GeschichteService relationship

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Add GeschichteQueryService component to the L3 supporting-domains diagram.
Remove the now-deleted Rel(geschSvc, journeyItemSvc, "Delegates getItems()")
arrow and add the correct Rel(journeyItemSvc, geschQuerySvc, ...) arrow that
reflects the actual dependency direction after the refactor in the prior commit.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Marcel
2026-06-08 20:47:46 +02:00
parent ad90ae75bf
commit 70da532f54
1 changed files with 3 additions and 1 deletions
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4
docs/architecture/c4/l3-backend-3g-supporting.puml
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@@ -18,6 +18,7 @@ System_Boundary(backend, "API Backend (Spring Boot)") {
Component(sseRegistry, "SseEmitterRegistry", "Spring Component", "In-memory ConcurrentHashMap of Spring SseEmitter instances per user. Handles registration, deregistration, and JSON event broadcasts.")
Component(geschCtrl, "GeschichteController", "Spring MVC — /api/geschichten", "CRUD for publishable stories (STORY) and reading journeys (JOURNEY). Returns GeschichteSummary projections for list; full Geschichte with JourneyItems for detail. Requires BLOG_WRITE permission for write operations.")
Component(geschSvc, "GeschichteService", "Spring Service", "Manages story lifecycle (DRAFT → PUBLISHED with timestamp). Supports two subtypes: STORY (prose) and JOURNEY (ordered JourneyItem sequence). Sanitizes HTML body with an allowlist policy.")
Component(geschQuerySvc, "GeschichteQueryService", "Spring Service", "Read-only facade over GeschichteRepository. Exposes existsById() and findById() to prevent JourneyItemService from crossing domain boundaries.")
Component(journeyItemSvc, "JourneyItemService", "Spring Service", "Manages journey item lifecycle: append (100-item cap), updateNote (three-way PATCH), delete, and reorder (DEFERRABLE position swap). Enforces JOURNEY-type guard on append.")
Component(exHandler, "GlobalExceptionHandler", "Spring @RestControllerAdvice", "Converts DomainException, validation errors, and generic exceptions to ErrorResponse JSON with machine-readable ErrorCode and HTTP status.")
}
@@ -40,7 +41,8 @@ Rel(notifCtrl, sseRegistry, "Registers client SSE connection")
Rel(notifSvc, sseRegistry, "Broadcasts events to connected clients")
Rel(geschCtrl, geschSvc, "Delegates to")
Rel(geschCtrl, journeyItemSvc, "Delegates journey item CRUD")
Rel(geschSvc, journeyItemSvc, "Delegates getItems()")
Rel(journeyItemSvc, geschQuerySvc, "Checks Geschichte existence and type")
Rel(geschQuerySvc, db, "Reads geschichten", "JDBC")
Rel(journeyItemSvc, db, "Reads / writes journey_items", "JDBC")
Rel(auditSvc, db, "Writes audit_log", "JDBC")
Rel(auditQuery, db, "Reads audit_log", "JDBC")