plane/apps/app/components/core/board-view/single-board.tsx

import { useState } from "react";

import { useRouter } from "next/router";

// react-beautiful-dnd
import StrictModeDroppable from "components/dnd/StrictModeDroppable";
import { Draggable } from "react-beautiful-dnd";
// hooks
import useIssuesView from "hooks/use-issues-view";
import useIssuesProperties from "hooks/use-issue-properties";
// components
import { BoardHeader, SingleBoardIssue } from "components/core";
// ui
import { CustomMenu } from "components/ui";
// icons
import { PlusIcon } from "@heroicons/react/24/outline";
// helpers
import { replaceUnderscoreIfSnakeCase } from "helpers/string.helper";
// types
import { ICurrentUserResponse, IIssue, IState, UserAuth } from "types";

type Props = {
  type?: "issue" | "cycle" | "module";
  currentState?: IState | null;
  groupTitle: string;
  handleEditIssue: (issue: IIssue) => void;
  makeIssueCopy: (issue: IIssue) => void;
  addIssueToState: () => void;
  handleDeleteIssue: (issue: IIssue) => void;
  openIssuesListModal?: (() => void) | null;
  handleTrashBox: (isDragging: boolean) => void;
  removeIssue: ((bridgeId: string, issueId: string) => void) | null;
  isCompleted?: boolean;
  user: ICurrentUserResponse | undefined;
  userAuth: UserAuth;
};

export const SingleBoard: React.FC<Props> = ({
  type,
  currentState,
  groupTitle,
  handleEditIssue,
  makeIssueCopy,
  addIssueToState,
  handleDeleteIssue,
  openIssuesListModal,
  handleTrashBox,
  removeIssue,
  isCompleted = false,
  user,
  userAuth,
}) => {
  // collapse/expand
  const [isCollapsed, setIsCollapsed] = useState(true);

  const { groupedByIssues, groupByProperty: selectedGroup, orderBy } = useIssuesView();

  const router = useRouter();
  const { workspaceSlug, projectId } = router.query;

  const [properties] = useIssuesProperties(workspaceSlug as string, projectId as string);

  // Check if it has at least 4 tickets since it is enough to accommodate the Calendar height
  const issuesLength = groupedByIssues?.[groupTitle].length;
  const hasMinimumNumberOfCards = issuesLength ? issuesLength >= 4 : false;

  const isNotAllowed = userAuth.isGuest || userAuth.isViewer || isCompleted;

  return (
    <div className={`flex-shrink-0 ${!isCollapsed ? "" : "flex h-full flex-col w-96"}`}>
      <BoardHeader
        addIssueToState={addIssueToState}
        currentState={currentState}
        groupTitle={groupTitle}
        isCollapsed={isCollapsed}
        setIsCollapsed={setIsCollapsed}
        isCompleted={isCompleted}
      />
      {isCollapsed && (
        <StrictModeDroppable key={groupTitle} droppableId={groupTitle}>
          {(provided, snapshot) => (
            <div
              className={`relative h-full ${
                orderBy !== "sort_order" && snapshot.isDraggingOver
                  ? "bg-custom-background-100/20"
                  : ""
              } ${!isCollapsed ? "hidden" : "flex flex-col"}`}
              ref={provided.innerRef}
              {...provided.droppableProps}
            >
              {orderBy !== "sort_order" && (
                <>
                  <div
                    className={`absolute ${
                      snapshot.isDraggingOver ? "block" : "hidden"
                    } pointer-events-none top-0 left-0 z-[99] h-full w-full bg-custom-background-90 opacity-50`}
                  />
                  <div
                    className={`absolute ${
                      snapshot.isDraggingOver ? "block" : "hidden"
                    } pointer-events-none top-1/2 left-1/2 z-[99] -translate-y-1/2 -translate-x-1/2 whitespace-nowrap rounded bg-custom-background-100 p-2 text-xs`}
                  >
                    This board is ordered by{" "}
                    {replaceUnderscoreIfSnakeCase(
                      orderBy ? (orderBy[0] === "-" ? orderBy.slice(1) : orderBy) : "created_at"
                    )}
                  </div>
                </>
              )}
              <div
                className={`pt-3 ${
                  hasMinimumNumberOfCards ? "overflow-hidden overflow-y-scroll" : ""
                } `}
              >
                {groupedByIssues?.[groupTitle].map((issue, index) => (
                  <Draggable
                    key={issue.id}
                    draggableId={issue.id}
                    index={index}
                    isDragDisabled={
                      isNotAllowed || selectedGroup === "created_by" || selectedGroup === "labels"
                    }
                  >
                    {(provided, snapshot) => (
                      <SingleBoardIssue
                        key={index}
                        provided={provided}
                        snapshot={snapshot}
                        type={type}
                        index={index}
                        selectedGroup={selectedGroup}
                        issue={issue}
                        groupTitle={groupTitle}
                        properties={properties}
                        editIssue={() => handleEditIssue(issue)}
                        makeIssueCopy={() => makeIssueCopy(issue)}
                        handleDeleteIssue={handleDeleteIssue}
                        handleTrashBox={handleTrashBox}
                        removeIssue={() => {
                          if (removeIssue && issue.bridge_id)
                            removeIssue(issue.bridge_id, issue.id);
                        }}
                        isCompleted={isCompleted}
                        user={user}
                        userAuth={userAuth}
                      />
                    )}
                  </Draggable>
                ))}
                <span
                  style={{
                    display: orderBy === "sort_order" ? "inline" : "none",
                  }}
                >
                  {provided.placeholder}
                </span>
              </div>
              {selectedGroup !== "created_by" && (
                <div>
                  {type === "issue" ? (
                    <button
                      type="button"
                      className="flex items-center gap-2 font-medium text-custom-primary outline-none p-1"
                      onClick={addIssueToState}
                    >
                      <PlusIcon className="h-4 w-4" />
                      Add Issue
                    </button>
                  ) : (
                    !isCompleted && (
                      <CustomMenu
                        customButton={
                          <button
                            type="button"
                            className="flex items-center gap-2 font-medium text-custom-primary outline-none"
                          >
                            <PlusIcon className="h-4 w-4" />
                            Add Issue
                          </button>
                        }
                        position="left"
                        noBorder
                      >
                        <CustomMenu.MenuItem onClick={addIssueToState}>
                          Create new
                        </CustomMenu.MenuItem>
                        {openIssuesListModal && (
                          <CustomMenu.MenuItem onClick={openIssuesListModal}>
                            Add an existing issue
                          </CustomMenu.MenuItem>
                        )}
                      </CustomMenu>
                    )
                  )}
                </div>
              )}
            </div>
          )}
        </StrictModeDroppable>
      )}
    </div>
  );
};