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- db-orm.puml: replace geschichten_documents with journey_items, add type column to geschichten, bump schema version to V72
- l3-backend-3g-supporting.puml: update GeschichteController and GeschichteService descriptions to mention STORY/JOURNEY subtypes and JourneyItem
- geschichten/[id]/+page.svelte: replace raw UUID fallback with m.geschichten_document_link_placeholder() i18n key
- messages/{de,en,es}.json: add geschichten_document_link_placeholder translation
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
47 lines
4.1 KiB
Plaintext
47 lines
4.1 KiB
Plaintext
@startuml
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!include <C4/C4_Component>
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title Component Diagram: API Backend — Supporting Domains
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Container(frontend, "Web Frontend", "SvelteKit")
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ContainerDb(db, "PostgreSQL", "PostgreSQL 16")
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System_Boundary(backend, "API Backend (Spring Boot)") {
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Component(auditSvc, "AuditService", "Spring Service — @Async", "Writes audit log entries asynchronously via a dedicated TaskExecutor, with transaction-aware logging to prevent deadlocks on concurrent saves.")
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Component(auditQuery, "AuditLogQueryService", "Spring Service", "Queries audit logs for activity feeds, pulse stats, recent contributors, and per-document history. Facade over AuditLogRepository.")
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Component(dashCtrl, "DashboardController", "Spring MVC — /api/dashboard", "REST endpoints for the user dashboard: recent document resume (/resume), weekly transcription pulse stats (/pulse), and activity feed (/activity) with kind filtering and pagination.")
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Component(statsCtrl, "StatsController", "Spring MVC — /api/stats", "Returns aggregate counts (total persons, total documents) for the UI stats bar.")
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Component(statsSvc, "StatsService", "Spring Service", "Queries aggregate counts: total persons and total documents.")
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Component(dashSvc, "DashboardService", "Spring Service", "Assembles the user dashboard: recent document resume (calls DocumentService + TranscriptionService), weekly transcription pulse stats, and activity feed with contributor avatars.")
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Component(notifCtrl, "NotificationController", "Spring MVC — /api/notifications", "REST and SSE endpoints for notification stream, history with filtering, read/unread state, and per-user preference management.")
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Component(notifSvc, "NotificationService", "Spring Service", "Creates REPLY and MENTION notifications, optionally sends email, marks as read, and pushes events to connected clients via SseEmitterRegistry.")
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Component(sseRegistry, "SseEmitterRegistry", "Spring Component", "In-memory ConcurrentHashMap of Spring SseEmitter instances per user. Handles registration, deregistration, and JSON event broadcasts.")
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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.")
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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.")
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Component(exHandler, "GlobalExceptionHandler", "Spring @RestControllerAdvice", "Converts DomainException, validation errors, and generic exceptions to ErrorResponse JSON with machine-readable ErrorCode and HTTP status.")
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}
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Component(documentSvc, "DocumentService", "Spring Service", "See diagram 3b. Called by DashboardService to fetch document titles and resume data.")
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Component(transcriptionSvc, "TranscriptionService", "Spring Service", "See diagram 3c. Called by DashboardService to fetch transcription block progress for resume.")
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Rel(frontend, dashCtrl, "Dashboard requests", "HTTP / JSON")
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Rel(frontend, statsCtrl, "GET /api/stats", "HTTP / JSON")
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Rel(frontend, notifCtrl, "Notification stream and history", "HTTP / JSON / SSE")
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Rel(frontend, geschCtrl, "Story requests", "HTTP / JSON")
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Rel(dashCtrl, dashSvc, "Delegates to")
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Rel(statsCtrl, statsSvc, "Delegates to")
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Rel(statsSvc, db, "Reads aggregate counts", "JDBC")
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Rel(dashSvc, auditQuery, "Fetches activity feed and pulse stats")
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Rel(dashSvc, documentSvc, "Fetches document titles and resume data")
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Rel(dashSvc, transcriptionSvc, "Fetches transcription block progress for resume")
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Rel(notifCtrl, notifSvc, "Delegates to")
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Rel(notifCtrl, sseRegistry, "Registers client SSE connection")
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Rel(notifSvc, sseRegistry, "Broadcasts events to connected clients")
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Rel(geschCtrl, geschSvc, "Delegates to")
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Rel(auditSvc, db, "Writes audit_log", "JDBC")
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Rel(auditQuery, db, "Reads audit_log", "JDBC")
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Rel(notifSvc, db, "Reads / writes notifications", "JDBC")
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Rel(geschSvc, db, "Reads / writes geschichten", "JDBC")
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@enduml
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