Add backend foundation and config-driven workbench

backend/internal/httpapi/handlers/session_handler.go

@@ -0,0 +1,88 @@
+package handlers
+
+import (
+	"net/http"
+	"strconv"
+
+	"cmr-backend/internal/apperr"
+	"cmr-backend/internal/httpapi/middleware"
+	"cmr-backend/internal/httpx"
+	"cmr-backend/internal/service"
+)
+
+type SessionHandler struct {
+	sessionService *service.SessionService
+}
+
+func NewSessionHandler(sessionService *service.SessionService) *SessionHandler {
+	return &SessionHandler{sessionService: sessionService}
+}
+
+func (h *SessionHandler) GetDetail(w http.ResponseWriter, r *http.Request) {
+	auth := middleware.GetAuthContext(r.Context())
+	if auth == nil {
+		httpx.WriteError(w, apperr.New(http.StatusUnauthorized, "unauthorized", "missing auth context"))
+		return
+	}
+
+	result, err := h.sessionService.GetSession(r.Context(), r.PathValue("sessionPublicID"), auth.UserID)
+	if err != nil {
+		httpx.WriteError(w, err)
+		return
+	}
+	httpx.WriteJSON(w, http.StatusOK, map[string]any{"data": result})
+}
+
+func (h *SessionHandler) ListMine(w http.ResponseWriter, r *http.Request) {
+	auth := middleware.GetAuthContext(r.Context())
+	if auth == nil {
+		httpx.WriteError(w, apperr.New(http.StatusUnauthorized, "unauthorized", "missing auth context"))
+		return
+	}
+
+	limit := 20
+	if raw := r.URL.Query().Get("limit"); raw != "" {
+		if parsed, err := strconv.Atoi(raw); err == nil {
+			limit = parsed
+		}
+	}
+
+	result, err := h.sessionService.ListMySessions(r.Context(), auth.UserID, limit)
+	if err != nil {
+		httpx.WriteError(w, err)
+		return
+	}
+	httpx.WriteJSON(w, http.StatusOK, map[string]any{"data": result})
+}
+
+func (h *SessionHandler) Start(w http.ResponseWriter, r *http.Request) {
+	var req service.SessionActionInput
+	if err := httpx.DecodeJSON(r, &req); err != nil {
+		httpx.WriteError(w, apperr.New(http.StatusBadRequest, "invalid_json", "invalid request body: "+err.Error()))
+		return
+	}
+	req.SessionPublicID = r.PathValue("sessionPublicID")
+
+	result, err := h.sessionService.StartSession(r.Context(), req)
+	if err != nil {
+		httpx.WriteError(w, err)
+		return
+	}
+	httpx.WriteJSON(w, http.StatusOK, map[string]any{"data": result})
+}
+
+func (h *SessionHandler) Finish(w http.ResponseWriter, r *http.Request) {
+	var req service.FinishSessionInput
+	if err := httpx.DecodeJSON(r, &req); err != nil {
+		httpx.WriteError(w, apperr.New(http.StatusBadRequest, "invalid_json", "invalid request body: "+err.Error()))
+		return
+	}
+	req.SessionPublicID = r.PathValue("sessionPublicID")
+
+	result, err := h.sessionService.FinishSession(r.Context(), req)
+	if err != nil {
+		httpx.WriteError(w, err)
+		return
+	}
+	httpx.WriteJSON(w, http.StatusOK, map[string]any{"data": result})
+}