update

backend/handlers.go

@@ -78,6 +78,84 @@ func (a *App) handleUpdateAdminSettings(c echo.Context) error {
 	return c.JSON(http.StatusOK, state)
 }
 
+func (a *App) handleStartCurrentStage(c echo.Context) error {
+	var req StageControlStartRequest
+	if err := c.Bind(&req); err != nil {
+		return writeError(c, http.StatusBadRequest, "invalid request body")
+	}
+
+	phase, ok := normalizeStagePhase(req.Phase)
+	if !ok {
+		return writeError(c, http.StatusBadRequest, "invalid phase")
+	}
+	groupKey, ok := normalizeStageGroup(phase, req.GroupKey)
+	if !ok {
+		return writeError(c, http.StatusBadRequest, "invalid group for selected phase")
+	}
+	round := normalizeStageRound(phase, req.Round)
+
+	current, err := a.readCurrentStage()
+	if err != nil {
+		return writeError(c, http.StatusInternalServerError, err.Error())
+	}
+	if current != nil {
+		return writeError(c, http.StatusConflict, "there is already an active stage. end it first")
+	}
+
+	_, err = a.db.Exec(`
+INSERT INTO stage_sessions(phase, group_key, round, started_at)
+VALUES(?, ?, ?, CURRENT_TIMESTAMP)
+`, phase, groupKey, round)
+	if err != nil {
+		return writeError(c, http.StatusInternalServerError, fmt.Sprintf("start stage: %v", err))
+	}
+
+	a.events.Broadcast()
+
+	state, err := a.readState(true)
+	if err != nil {
+		return writeError(c, http.StatusInternalServerError, err.Error())
+	}
+	return c.JSON(http.StatusOK, state)
+}
+
+func (a *App) handleEndCurrentStage(c echo.Context) error {
+	current, err := a.readCurrentStage()
+	if err != nil {
+		return writeError(c, http.StatusInternalServerError, err.Error())
+	}
+	if current == nil {
+		return writeError(c, http.StatusBadRequest, "no active stage to end")
+	}
+
+	_, err = a.db.Exec(`
+UPDATE stage_sessions
+SET ended_at = CURRENT_TIMESTAMP
+WHERE id = ? AND ended_at IS NULL
+`, current.ID)
+	if err != nil {
+		return writeError(c, http.StatusInternalServerError, fmt.Sprintf("end stage: %v", err))
+	}
+
+	a.events.Broadcast()
+
+	state, err := a.readState(true)
+	if err != nil {
+		return writeError(c, http.StatusInternalServerError, err.Error())
+	}
+	return c.JSON(http.StatusOK, state)
+}
+
+func (a *App) handleGetStageHistory(c echo.Context) error {
+	items, err := a.readStageHistory()
+	if err != nil {
+		return writeError(c, http.StatusInternalServerError, err.Error())
+	}
+	return c.JSON(http.StatusOK, map[string]any{
+		"items": items,
+	})
+}
+
 func (a *App) handleCreatePlayer(c echo.Context) error {
 	var req PlayerCreateRequest
 	if err := c.Bind(&req); err != nil {
@@ -295,6 +373,77 @@ func (a *App) handleAutoGroupPlayers(c echo.Context) error {
 	return c.JSON(http.StatusOK, state)
 }
 
+func (a *App) handleUpdatePositionBoard(c echo.Context) error {
+	board, ok := normalizePositionBoard(c.Param("board"))
+	if !ok {
+		return writeError(c, http.StatusBadRequest, "invalid position board")
+	}
+
+	var req PositionBoardUpdateRequest
+	if err := c.Bind(&req); err != nil {
+		return writeError(c, http.StatusBadRequest, "invalid request body")
+	}
+
+	seen := map[int]bool{}
+	for _, slot := range req.Slots {
+		if slot.PlayerID <= 0 {
+			return writeError(c, http.StatusBadRequest, "invalid player id")
+		}
+		if seen[slot.PlayerID] {
+			return writeError(c, http.StatusBadRequest, "duplicate player id in slots")
+		}
+		seen[slot.PlayerID] = true
+		if strings.TrimSpace(slot.GroupKey) == "" {
+			return writeError(c, http.StatusBadRequest, "groupKey is required")
+		}
+		if slot.Position <= 0 {
+			return writeError(c, http.StatusBadRequest, "position must be positive")
+		}
+	}
+
+	tx, err := a.db.Begin()
+	if err != nil {
+		return writeError(c, http.StatusInternalServerError, "failed to start position transaction")
+	}
+	defer tx.Rollback()
+
+	if _, err := tx.Exec(`DELETE FROM player_positions WHERE board = ?`, board); err != nil {
+		return writeError(c, http.StatusInternalServerError, fmt.Sprintf("clear board positions: %v", err))
+	}
+
+	for _, slot := range req.Slots {
+		groupKey := normalizePositionGroupKey(board, slot.GroupKey, "")
+		if _, err := tx.Exec(`
+INSERT INTO player_positions(board, player_id, group_key, position, updated_at)
+VALUES(?, ?, ?, ?, CURRENT_TIMESTAMP)
+`, board, slot.PlayerID, groupKey, slot.Position); err != nil {
+			return writeError(c, http.StatusInternalServerError, fmt.Sprintf("save board position: %v", err))
+		}
+
+		if board == positionBoardPreliminary {
+			groupCode := strings.TrimSpace(groupKey)
+			if strings.EqualFold(groupCode, positionBoardUnassigned) {
+				groupCode = ""
+			}
+			if _, err := tx.Exec(`UPDATE players SET group_code = ?, updated_at = CURRENT_TIMESTAMP WHERE id = ?`, groupCode, slot.PlayerID); err != nil {
+				return writeError(c, http.StatusInternalServerError, fmt.Sprintf("update player group from board: %v", err))
+			}
+		}
+	}
+
+	if err := tx.Commit(); err != nil {
+		return writeError(c, http.StatusInternalServerError, "failed to commit positions")
+	}
+
+	a.events.Broadcast()
+
+	state, err := a.readState(true)
+	if err != nil {
+		return writeError(c, http.StatusInternalServerError, err.Error())
+	}
+	return c.JSON(http.StatusOK, state)
+}
+
 func (a *App) handleUpdateScore(c echo.Context) error {
 	stage, err := validateStage(c.Param("stage"))
 	if err != nil {