feat: backend service

backend/internal/server/handlers_user_lobby_race_names.go

@@ -0,0 +1,61 @@
+package server
+
+import (
+	"net/http"
+
+	"galaxy/backend/internal/lobby"
+	"galaxy/backend/internal/server/handlers"
+	"galaxy/backend/internal/server/httperr"
+	"galaxy/backend/internal/server/middleware/userid"
+
+	"github.com/gin-gonic/gin"
+	"go.uber.org/zap"
+)
+
+// UserLobbyRaceNamesHandlers groups the race-name-directory handlers
+// under `/api/v1/user/lobby/race-names/*`. The current implementation ships real
+// implementations backed by `*lobby.Service`.
+type UserLobbyRaceNamesHandlers struct {
+	svc *lobby.Service
+	logger *zap.Logger
+}
+
+// NewUserLobbyRaceNamesHandlers constructs the handler set. svc may be
+// nil — in that case every handler returns 501 not_implemented.
+func NewUserLobbyRaceNamesHandlers(svc *lobby.Service, logger *zap.Logger) *UserLobbyRaceNamesHandlers {
+	if logger == nil {
+		logger = zap.NewNop()
+	}
+	return &UserLobbyRaceNamesHandlers{svc: svc, logger: logger.Named("http.user.lobby.race_names")}
+}
+
+// Register handles POST /api/v1/user/lobby/race-names/register.
+func (h *UserLobbyRaceNamesHandlers) Register() gin.HandlerFunc {
+	if h.svc == nil {
+		return handlers.NotImplemented("userLobbyRaceNamesRegister")
+	}
+	return func(c *gin.Context) {
+		userID, ok := userid.FromContext(c.Request.Context())
+		if !ok {
+			httperr.Abort(c, http.StatusBadRequest, httperr.CodeInvalidRequest, "X-User-ID header is required")
+			return
+		}
+		var req raceNameRegisterRequestWire
+		if err := c.ShouldBindJSON(&req); err != nil {
+			httperr.Abort(c, http.StatusBadRequest, httperr.CodeInvalidRequest, "request body must be valid JSON")
+			return
+		}
+		ctx := c.Request.Context()
+		entry, err := h.svc.RegisterRaceName(ctx, userID, req.Name)
+		if err != nil {
+			respondLobbyError(c, h.logger, "user lobby race-names register", ctx, err)
+			return
+		}
+		c.JSON(http.StatusOK, raceNameDetailToWire(entry))
+	}
+}
+
+// raceNameRegisterRequestWire mirrors `RaceNameRegisterRequest`.
+type raceNameRegisterRequestWire struct {
+	Name string `json:"name"`
+}