feat: gamemaster

gamemaster/internal/api/internalhttp/handlers/getreport.go

@@ -0,0 +1,67 @@
+package handlers
+
+import (
+	"net/http"
+	"strconv"
+	"strings"
+
+	"galaxy/gamemaster/internal/domain/operation"
+	"galaxy/gamemaster/internal/service/reportget"
+)
+
+// newGetReportHandler returns the handler for
+// `GET /api/v1/internal/games/{game_id}/reports/{turn}`. Path
+// validation rejects non-numeric or negative turn values with
+// `400 invalid_request` before the service is touched.
+func newGetReportHandler(deps Dependencies) http.HandlerFunc {
+	logger := loggerFor(deps.Logger, "internal_rest.get_report")
+	return func(writer http.ResponseWriter, request *http.Request) {
+		if deps.GetReport == nil {
+			writeError(writer, http.StatusInternalServerError, errorCodeInternal, "get report service is not wired")
+			return
+		}
+
+		gameID, ok := extractGameID(writer, request)
+		if !ok {
+			return
+		}
+		userID, ok := extractUserID(writer, request)
+		if !ok {
+			return
+		}
+
+		raw := strings.TrimSpace(request.PathValue(turnPathParam))
+		if raw == "" {
+			writeError(writer, http.StatusBadRequest, errorCodeInvalidRequest, "turn is required")
+			return
+		}
+		turn, err := strconv.Atoi(raw)
+		if err != nil || turn < 0 {
+			writeError(writer, http.StatusBadRequest, errorCodeInvalidRequest, "turn must be a non-negative integer")
+			return
+		}
+
+		result, err := deps.GetReport.Handle(request.Context(), reportget.Input{
+			GameID: gameID,
+			UserID: userID,
+			Turn:   turn,
+		})
+		if err != nil {
+			logger.ErrorContext(request.Context(), "get report service errored",
+				"game_id", gameID,
+				"user_id", userID,
+				"turn", turn,
+				"err", err.Error(),
+			)
+			writeError(writer, http.StatusInternalServerError, errorCodeInternal, "get report service failed")
+			return
+		}
+
+		if result.Outcome == operation.OutcomeFailure {
+			writeFailure(writer, result.ErrorCode, result.ErrorMessage)
+			return
+		}
+
+		writeRawJSON(writer, http.StatusOK, []byte(result.RawResponse))
+	}
+}