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Add multi-user support with export feature

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- New users table (migration 004) with user_id on exercises, training_sets, sessions
- User CRUD endpoints (GET/POST /api/v1/users, DELETE /api/v1/users/{id})
- All existing endpoints scoped to X-User-ID header
- CSV export endpoint (GET /api/v1/export) for completed sessions
- UserGate in PageShell: blocks app until a user is selected
- Settings page for managing users (create, switch, delete)
- BottomNav/Sidebar updated with settings navigation
- Fix: nil pointer panic in handleDeleteUser on success path
- Fix: export download now uses fetch with X-User-ID header instead of window.location.href

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Christoph K.
2026-03-21 23:55:51 +01:00
parent bff85908c3
commit a954f2c59d
24 changed files with 793 additions and 95 deletions
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29
backend/internal/handler/exercise.go
View File

@@ -7,10 +7,15 @@ import (
)
func (h *Handler) handleListExercises(w http.ResponseWriter, r *http.Request) {
uid, err := userID(r)
if err != nil {
writeError(w, http.StatusBadRequest, err.Error())
return
}
muscleGroup := r.URL.Query().Get("muscle_group")
query := r.URL.Query().Get("q")
exercises, err := h.store.ListExercises(muscleGroup, query)
exercises, err := h.store.ListExercises(uid, muscleGroup, query)
if err != nil {
writeError(w, http.StatusInternalServerError, "Fehler beim Laden der Übungen")
return
@@ -19,6 +24,12 @@ func (h *Handler) handleListExercises(w http.ResponseWriter, r *http.Request) {
}
func (h *Handler) handleCreateExercise(w http.ResponseWriter, r *http.Request) {
uid, err := userID(r)
if err != nil {
writeError(w, http.StatusBadRequest, err.Error())
return
}
var req model.CreateExerciseRequest
if err := decodeJSON(r, &req); err != nil {
writeError(w, http.StatusBadRequest, "Ungültiger Request-Body")
@@ -29,7 +40,7 @@ func (h *Handler) handleCreateExercise(w http.ResponseWriter, r *http.Request) {
return
}
exercise, err := h.store.CreateExercise(&req)
exercise, err := h.store.CreateExercise(uid, &req)
if err != nil {
writeError(w, http.StatusInternalServerError, "Fehler beim Erstellen der Übung")
return
@@ -38,6 +49,11 @@ func (h *Handler) handleCreateExercise(w http.ResponseWriter, r *http.Request) {
}
func (h *Handler) handleUpdateExercise(w http.ResponseWriter, r *http.Request) {
uid, err := userID(r)
if err != nil {
writeError(w, http.StatusBadRequest, err.Error())
return
}
id, err := pathID(r, "id")
if err != nil {
writeError(w, http.StatusBadRequest, "Ungültige ID")
@@ -54,7 +70,7 @@ func (h *Handler) handleUpdateExercise(w http.ResponseWriter, r *http.Request) {
return
}
exercise, err := h.store.UpdateExercise(id, &req)
exercise, err := h.store.UpdateExercise(id, uid, &req)
if err != nil {
writeError(w, http.StatusInternalServerError, "Fehler beim Aktualisieren der Übung")
return
@@ -67,13 +83,18 @@ func (h *Handler) handleUpdateExercise(w http.ResponseWriter, r *http.Request) {
}
func (h *Handler) handleDeleteExercise(w http.ResponseWriter, r *http.Request) {
uid, err := userID(r)
if err != nil {
writeError(w, http.StatusBadRequest, err.Error())
return
}
id, err := pathID(r, "id")
if err != nil {
writeError(w, http.StatusBadRequest, "Ungültige ID")
return
}
err = h.store.SoftDeleteExercise(id)
err = h.store.SoftDeleteExercise(id, uid)
if err == sql.ErrNoRows {
writeError(w, http.StatusNotFound, "Übung nicht gefunden")
return