Initial commit

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-03-21 15:03:55 +01:00
commit dfd66e43c6
78 changed files with 6219 additions and 0 deletions
--- a/backend/internal/handler/session.go
+++ b/backend/internal/handler/session.go
@@ -0,0 +1,190 @@
+package handler
+
+import (
+	"database/sql"
+	"krafttrainer/internal/model"
+	"net/http"
+	"strings"
+)
+
+func (h *Handler) handleCreateSession(w http.ResponseWriter, r *http.Request) {
+	var req model.CreateSessionRequest
+	if err := decodeJSON(r, &req); err != nil {
+		writeError(w, http.StatusBadRequest, "Ungültiger Request-Body")
+		return
+	}
+	if req.SetID == 0 {
+		writeError(w, http.StatusBadRequest, "set_id ist erforderlich")
+		return
+	}
+
+	session, err := h.store.CreateSession(req.SetID)
+	if err != nil {
+		if strings.Contains(err.Error(), "existiert nicht") {
+			writeError(w, http.StatusBadRequest, err.Error())
+			return
+		}
+		writeError(w, http.StatusInternalServerError, "Fehler beim Starten der Session")
+		return
+	}
+	writeJSON(w, http.StatusCreated, session)
+}
+
+func (h *Handler) handleListSessions(w http.ResponseWriter, r *http.Request) {
+	limit := queryInt(r, "limit", 20)
+	offset := queryInt(r, "offset", 0)
+
+	sessions, err := h.store.ListSessions(limit, offset)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "Fehler beim Laden der Sessions")
+		return
+	}
+	writeJSON(w, http.StatusOK, sessions)
+}
+
+func (h *Handler) handleGetSession(w http.ResponseWriter, r *http.Request) {
+	id, err := pathID(r, "id")
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "Ungültige ID")
+		return
+	}
+
+	session, err := h.store.GetSession(id)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "Fehler beim Laden der Session")
+		return
+	}
+	if session == nil {
+		writeError(w, http.StatusNotFound, "Session nicht gefunden")
+		return
+	}
+	writeJSON(w, http.StatusOK, session)
+}
+
+func (h *Handler) handleEndSession(w http.ResponseWriter, r *http.Request) {
+	id, err := pathID(r, "id")
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "Ungültige ID")
+		return
+	}
+
+	var body struct {
+		Note string `json:"note"`
+	}
+	// Body ist optional
+	decodeJSON(r, &body)
+
+	session, err := h.store.EndSession(id, body.Note)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "Fehler beim Beenden der Session")
+		return
+	}
+	if session == nil {
+		writeError(w, http.StatusNotFound, "Session nicht gefunden oder bereits beendet")
+		return
+	}
+	writeJSON(w, http.StatusOK, session)
+}
+
+func (h *Handler) handleCreateLog(w http.ResponseWriter, r *http.Request) {
+	sessionID, err := pathID(r, "id")
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "Ungültige Session-ID")
+		return
+	}
+
+	var req model.CreateLogRequest
+	if err := decodeJSON(r, &req); err != nil {
+		writeError(w, http.StatusBadRequest, "Ungültiger Request-Body")
+		return
+	}
+	if err := req.Validate(); err != nil {
+		writeError(w, http.StatusBadRequest, err.Error())
+		return
+	}
+
+	log, err := h.store.CreateLog(sessionID, &req)
+	if err != nil {
+		if strings.Contains(err.Error(), "SESSION_CLOSED") {
+			writeError(w, http.StatusBadRequest, "Session ist bereits beendet")
+			return
+		}
+		if strings.Contains(err.Error(), "UNIQUE_VIOLATION") {
+			writeError(w, http.StatusConflict, err.Error())
+			return
+		}
+		if strings.Contains(err.Error(), "existiert nicht") {
+			writeError(w, http.StatusBadRequest, err.Error())
+			return
+		}
+		writeError(w, http.StatusInternalServerError, "Fehler beim Loggen des Satzes")
+		return
+	}
+	writeJSON(w, http.StatusCreated, log)
+}
+
+func (h *Handler) handleUpdateLog(w http.ResponseWriter, r *http.Request) {
+	sessionID, err := pathID(r, "id")
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "Ungültige Session-ID")
+		return
+	}
+	logID, err := pathID(r, "logId")
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "Ungültige Log-ID")
+		return
+	}
+
+	var req model.UpdateLogRequest
+	if err := decodeJSON(r, &req); err != nil {
+		writeError(w, http.StatusBadRequest, "Ungültiger Request-Body")
+		return
+	}
+	if err := req.Validate(); err != nil {
+		writeError(w, http.StatusBadRequest, err.Error())
+		return
+	}
+
+	log, err := h.store.UpdateLog(sessionID, logID, &req)
+	if err != nil {
+		if strings.Contains(err.Error(), "SESSION_CLOSED") {
+			writeError(w, http.StatusBadRequest, "Session ist bereits beendet")
+			return
+		}
+		writeError(w, http.StatusInternalServerError, "Fehler beim Aktualisieren des Satzes")
+		return
+	}
+	if log == nil {
+		writeError(w, http.StatusNotFound, "Log nicht gefunden")
+		return
+	}
+	writeJSON(w, http.StatusOK, log)
+}
+
+func (h *Handler) handleDeleteLog(w http.ResponseWriter, r *http.Request) {
+	sessionID, err := pathID(r, "id")
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "Ungültige Session-ID")
+		return
+	}
+	logID, err := pathID(r, "logId")
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "Ungültige Log-ID")
+		return
+	}
+
+	err = h.store.DeleteLog(sessionID, logID)
+	if err != nil {
+		if strings.Contains(err.Error(), "SESSION_CLOSED") {
+			writeError(w, http.StatusBadRequest, "Session ist bereits beendet")
+			return
+		}
+		if err == sql.ErrNoRows {
+			writeError(w, http.StatusNotFound, "Log nicht gefunden")
+			return
+		}
+		writeError(w, http.StatusInternalServerError, "Fehler beim Löschen des Satzes")
+		return
+	}
+	w.WriteHeader(http.StatusNoContent)
+}