planka_custom/server/api/controllers/boards/delete.js

const Errors = {
  BOARD_NOT_FOUND: {
    boardNotFound: 'Board not found',
  },
};

module.exports = {
  inputs: {
    id: {
      type: 'string',
      regex: /^[0-9]+$/,
      required: true,
    },
  },

  exits: {
    boardNotFound: {
      responseType: 'notFound',
    },
  },

  async fn(inputs) {
    const { currentUser } = this.req;

    let { board } = await sails.helpers.boards
      .getProjectPath(inputs.id)
      .intercept('pathNotFound', () => Errors.BOARD_NOT_FOUND);

    if (!board) {
      throw Errors.BOARD_NOT_FOUND;
    }

    const isProjectManager = await sails.helpers.users.isProjectManager(
      currentUser.id,
      board.projectId,
    );

    if (!isProjectManager) {
      throw Errors.BOARD_NOT_FOUND; // Forbidden
    }

    board = await sails.helpers.boards.deleteOne.with({
      record: board,
      request: this.req,
    });

    if (!board) {
      throw Errors.BOARD_NOT_FOUND;
    }

    return {
      item: board,
    };
  },
};