...

5 files changed, 681 insertions, 0 deletions

diff --git a/FrontEnd/src/migrating/center/CenterBoards.tsx b/FrontEnd/src/migrating/center/CenterBoards.tsx
new file mode 100644
index 00000000..a8be2c29
--- /dev/null
+++ b/FrontEnd/src/migrating/center/CenterBoards.tsx
@@ -0,0 +1,131 @@
+import * as React from "react";
+import { useTranslation } from "react-i18next";
+
+import { highlightTimelineUsername } from "@/common";
+
+import { pushAlert } from "@/services/alert";
+import { useUserLoggedIn } from "@/services/user";
+
+import { getHttpTimelineClient } from "@/http/timeline";
+import { getHttpBookmarkClient } from "@/http/bookmark";
+
+import TimelineBoard from "./TimelineBoard";
+
+const CenterBoards: React.FC = () => {
+  const { t } = useTranslation();
+
+  const user = useUserLoggedIn();
+
+  return (
+    <>
+      <div className="row justify-content-center">
+        <div className="col col-12 col-md-6">
+          <div className="row">
+            <div className="col col-12 my-2">
+              <TimelineBoard
+                title={t("home.bookmarkTimeline")}
+                load={() =>
+                  getHttpBookmarkClient()
+                    .list(user.username)
+                    .then((p) => p.items)
+                }
+                editHandler={{
+                  onDelete: (owner, timeline) => {
+                    return getHttpBookmarkClient()
+                      .delete(user.username, owner, timeline)
+                      .catch((e) => {
+                        pushAlert({
+                          message: "home.message.deleteBookmarkFail",
+                          type: "danger",
+                        });
+                        throw e;
+                      });
+                  },
+                  onMove: (owner, timeline, index, offset) => {
+                    return getHttpBookmarkClient()
+                      .move(
+                        user.username,
+                        owner,
+                        timeline,
+                        index + offset + 1 // +1 because backend contract: index starts at 1
+                      )
+                      .catch((e) => {
+                        pushAlert({
+                          message: "home.message.moveBookmarkFail",
+                          type: "danger",
+                        });
+                        throw e;
+                      })
+                      .then();
+                  },
+                }}
+              />
+            </div>
+            <div className="col col-12 my-2">
+              <TimelineBoard
+                title={t("home.highlightTimeline")}
+                load={() =>
+                  getHttpBookmarkClient()
+                    .list(highlightTimelineUsername)
+                    .then((p) => p.items)
+                }
+                editHandler={
+                  user.username === highlightTimelineUsername
+                    ? {
+                        onDelete: (owner, timeline) => {
+                          return getHttpBookmarkClient()
+                            .delete(highlightTimelineUsername, owner, timeline)
+                            .catch((e) => {
+                              pushAlert({
+                                message: "home.message.deleteHighlightFail",
+                                type: "danger",
+                              });
+                              throw e;
+                            });
+                        },
+                        onMove: (owner, timeline, index, offset) => {
+                          return getHttpBookmarkClient()
+                            .move(
+                              highlightTimelineUsername,
+                              owner,
+                              timeline,
+                              index + offset + 1 // +1 because backend contract: index starts at 1
+                            )
+                            .catch((e) => {
+                              pushAlert({
+                                message: "home.message.moveBookmarkFail",
+                                type: "danger",
+                              });
+                              throw e;
+                            })
+                            .then();
+                        },
+                      }
+                    : undefined
+                }
+              />
+            </div>
+          </div>
+        </div>
+        <div className="col-12 col-md-6 my-2">
+          <TimelineBoard
+            title={t("home.relatedTimeline")}
+            load={() =>
+              getHttpTimelineClient()
+                .listTimeline({ relate: user.username })
+                .then((l) =>
+                  l.map((t, index) => ({
+                    timelineOwner: t.owner.username,
+                    timelineName: t.nameV2,
+                    position: index + 1,
+                  }))
+                )
+            }
+          />
+        </div>
+      </div>
+    </>
+  );
+};
+
+export default CenterBoards;
diff --git a/FrontEnd/src/migrating/center/TimelineBoard.tsx b/FrontEnd/src/migrating/center/TimelineBoard.tsx
new file mode 100644
index 00000000..b3ccdf8c
--- /dev/null
+++ b/FrontEnd/src/migrating/center/TimelineBoard.tsx
@@ -0,0 +1,390 @@
+import * as React from "react";
+import classnames from "classnames";
+import { Link } from "react-router-dom";
+
+import { TimelineBookmark } from "@/http/bookmark";
+
+import TimelineLogo from "../common/TimelineLogo";
+import LoadFailReload from "../common/LoadFailReload";
+import FlatButton from "../common/button/FlatButton";
+import Card from "../common/Card";
+import Spinner from "../common/Spinner";
+import IconButton from "../common/button/IconButton";
+
+interface TimelineBoardItemProps {
+  timeline: TimelineBookmark;
+  // In height.
+  offset?: number;
+  // In px.
+  arbitraryOffset?: number;
+  // If not null, will disable navigation on click.
+  actions?: {
+    onDelete: () => void;
+    onMove: {
+      start: (e: React.PointerEvent) => void;
+      moving: (e: React.PointerEvent) => void;
+      end: (e: React.PointerEvent) => void;
+    };
+  };
+}
+
+const TimelineBoardItem: React.FC<TimelineBoardItemProps> = ({
+  timeline,
+  arbitraryOffset,
+  offset,
+  actions,
+}) => {
+  const content = (
+    <>
+      <TimelineLogo className="icon" />
+      <span className="title">
+        {timeline.timelineOwner}/{timeline.timelineName}
+      </span>
+      <span className="flex-grow-1"></span>
+      {actions != null ? (
+        <div className="right">
+          <IconButton
+            icon="trash"
+            color="danger"
+            className="px-2"
+            onClick={actions.onDelete}
+          />
+          <IconButton
+            icon="grip-vertical"
+            className="px-2 touch-action-none"
+            onPointerDown={(e) => {
+              e.currentTarget.setPointerCapture(e.pointerId);
+              actions.onMove.start(e);
+            }}
+            onPointerUp={(e) => {
+              actions.onMove.end(e);
+              try {
+                e.currentTarget.releasePointerCapture(e.pointerId);
+              } catch (_) {
+                void null;
+              }
+            }}
+            onPointerMove={actions.onMove.moving}
+          />
+        </div>
+      ) : null}
+    </>
+  );
+
+  const offsetStyle: React.CSSProperties = {
+    transform:
+      arbitraryOffset != null
+        ? `translate(0,${arbitraryOffset}px)`
+        : offset != null
+        ? `translate(0,${offset * 100}%)`
+        : undefined,
+    transition: offset != null ? "transform 0.5s" : undefined,
+    zIndex: arbitraryOffset != null ? 1 : undefined,
+  };
+
+  return actions == null ? (
+    <Link
+      to={`${timeline.timelineOwner}/${timeline.timelineName}`}
+      className="timeline-board-item"
+    >
+      {content}
+    </Link>
+  ) : (
+    <div style={offsetStyle} className="timeline-board-item">
+      {content}
+    </div>
+  );
+};
+
+interface TimelineBoardItemContainerProps {
+  timelines: TimelineBookmark[];
+  editHandler?: {
+    // offset may exceed index range plusing index.
+    onMove: (
+      owner: string,
+      timeline: string,
+      index: number,
+      offset: number
+    ) => void;
+    onDelete: (owner: string, timeline: string) => void;
+  };
+}
+
+const TimelineBoardItemContainer: React.FC<TimelineBoardItemContainerProps> = ({
+  timelines,
+  editHandler,
+}) => {
+  const [moveState, setMoveState] = React.useState<null | {
+    index: number;
+    offset: number;
+    startPointY: number;
+  }>(null);
+
+  return (
+    <>
+      {timelines.map((timeline, index) => {
+        const height = 48;
+
+        let offset: number | undefined = undefined;
+        let arbitraryOffset: number | undefined = undefined;
+        if (moveState != null) {
+          if (index === moveState.index) {
+            arbitraryOffset = moveState.offset;
+          } else {
+            if (moveState.offset >= 0) {
+              const offsetCount = Math.round(moveState.offset / height);
+              if (
+                index > moveState.index &&
+                index <= moveState.index + offsetCount
+              ) {
+                offset = -1;
+              } else {
+                offset = 0;
+              }
+            } else {
+              const offsetCount = Math.round(-moveState.offset / height);
+              if (
+                index < moveState.index &&
+                index >= moveState.index - offsetCount
+              ) {
+                offset = 1;
+              } else {
+                offset = 0;
+              }
+            }
+          }
+        }
+
+        return (
+          <TimelineBoardItem
+            key={timeline.timelineOwner + "/" + timeline.timelineName}
+            timeline={timeline}
+            offset={offset}
+            arbitraryOffset={arbitraryOffset}
+            actions={
+              editHandler != null
+                ? {
+                    onDelete: () => {
+                      editHandler.onDelete(
+                        timeline.timelineOwner,
+                        timeline.timelineName
+                      );
+                    },
+                    onMove: {
+                      start: (e) => {
+                        if (moveState != null) return;
+                        setMoveState({
+                          index,
+                          offset: 0,
+                          startPointY: e.clientY,
+                        });
+                      },
+                      moving: (e) => {
+                        if (moveState == null) return;
+                        setMoveState({
+                          index,
+                          offset: e.clientY - moveState.startPointY,
+                          startPointY: moveState.startPointY,
+                        });
+                      },
+                      end: () => {
+                        if (moveState != null) {
+                          const offsetCount = Math.round(
+                            moveState.offset / height
+                          );
+                          editHandler.onMove(
+                            timeline.timelineOwner,
+                            timeline.timelineName,
+                            moveState.index,
+                            offsetCount
+                          );
+                        }
+                        setMoveState(null);
+                      },
+                    },
+                  }
+                : undefined
+            }
+          />
+        );
+      })}
+    </>
+  );
+};
+
+interface TimelineBoardUIProps {
+  title?: string | null;
+  state: "offline" | "loading" | "loaded";
+  timelines: TimelineBookmark[];
+  onReload: () => void;
+  className?: string;
+  editHandler?: {
+    onMove: (
+      owner: string,
+      timeline: string,
+      index: number,
+      offset: number
+    ) => void;
+    onDelete: (owner: string, timeline: string) => void;
+  };
+}
+
+const TimelineBoardUI: React.FC<TimelineBoardUIProps> = (props) => {
+  const { title, state, timelines, className, editHandler } = props;
+
+  const editable = editHandler != null;
+
+  const [editing, setEditing] = React.useState<boolean>(false);
+
+  return (
+    <Card className={classnames("timeline-board", className)}>
+      <div className="timeline-board-header">
+        {title != null && <h3>{title}</h3>}
+        {editable &&
+          (editing ? (
+            <FlatButton
+              text="done"
+              onClick={() => {
+                setEditing(false);
+              }}
+            />
+          ) : (
+            <FlatButton
+              text="edit"
+              onClick={() => {
+                setEditing(true);
+              }}
+            />
+          ))}
+      </div>
+      {(() => {
+        if (state === "loading") {
+          return (
+            <div className="d-flex flex-grow-1 justify-content-center align-items-center">
+              <Spinner />
+            </div>
+          );
+        } else if (state === "offline") {
+          return (
+            <div className="d-flex flex-grow-1 justify-content-center align-items-center">
+              <LoadFailReload onReload={props.onReload} />
+            </div>
+          );
+        } else {
+          return (
+            <TimelineBoardItemContainer
+              timelines={timelines}
+              editHandler={
+                editHandler && editing
+                  ? {
+                      onDelete: editHandler.onDelete,
+                      onMove: (owner, timeline, index, offset) => {
+                        if (index + offset >= timelines.length) {
+                          offset = timelines.length - index - 1;
+                        } else if (index + offset < 0) {
+                          offset = -index;
+                        }
+                        editHandler.onMove(owner, timeline, index, offset);
+                      },
+                    }
+                  : undefined
+              }
+            />
+          );
+        }
+      })()}
+    </Card>
+  );
+};
+
+export interface TimelineBoardProps {
+  title?: string | null;
+  className?: string;
+  load: () => Promise<TimelineBookmark[]>;
+  editHandler?: {
+    onMove: (
+      owner: string,
+      timeline: string,
+      index: number,
+      offset: number
+    ) => Promise<void>;
+    onDelete: (owner: string, timeline: string) => Promise<void>;
+  };
+}
+
+const TimelineBoard: React.FC<TimelineBoardProps> = ({
+  className,
+  title,
+  load,
+  editHandler,
+}) => {
+  const [state, setState] = React.useState<"offline" | "loading" | "loaded">(
+    "loading"
+  );
+  const [timelines, setTimelines] = React.useState<TimelineBookmark[]>([]);
+
+  React.useEffect(() => {
+    let subscribe = true;
+    if (state === "loading") {
+      void load().then(
+        (timelines) => {
+          if (subscribe) {
+            setState("loaded");
+            setTimelines(timelines);
+          }
+        },
+        () => {
+          setState("offline");
+        }
+      );
+    }
+    return () => {
+      subscribe = false;
+    };
+  }, [load, state]);
+
+  return (
+    <TimelineBoardUI
+      title={title}
+      className={className}
+      state={state}
+      timelines={timelines}
+      onReload={() => {
+        setState("loaded");
+      }}
+      editHandler={
+        typeof timelines === "object" && editHandler != null
+          ? {
+              onMove: (owner, timeline, index, offset) => {
+                const newTimelines = timelines.slice();
+                const [t] = newTimelines.splice(index, 1);
+                newTimelines.splice(index + offset, 0, t);
+                setTimelines(newTimelines);
+                editHandler
+                  .onMove(owner, timeline, index, offset)
+                  .then(null, () => {
+                    setTimelines(timelines);
+                  });
+              },
+              onDelete: (owner, timeline) => {
+                const newTimelines = timelines.slice();
+                newTimelines.splice(
+                  timelines.findIndex(
+                    (t) =>
+                      t.timelineOwner === owner && t.timelineName === timeline
+                  ),
+                  1
+                );
+                setTimelines(newTimelines);
+                editHandler.onDelete(owner, timeline).then(null, () => {
+                  setTimelines(timelines);
+                });
+              },
+            }
+          : undefined
+      }
+    />
+  );
+};
+
+export default TimelineBoard;
diff --git a/FrontEnd/src/migrating/center/TimelineCreateDialog.tsx b/FrontEnd/src/migrating/center/TimelineCreateDialog.tsx
new file mode 100644
index 00000000..63742936
--- /dev/null
+++ b/FrontEnd/src/migrating/center/TimelineCreateDialog.tsx
@@ -0,0 +1,57 @@
+import * as React from "react";
+import { useNavigate } from "react-router-dom";
+
+import { validateTimelineName } from "@/services/timeline";
+import { getHttpTimelineClient, HttpTimelineInfo } from "@/http/timeline";
+
+import OperationDialog from "../common/dialog/OperationDialog";
+import { useUserLoggedIn } from "@/services/user";
+
+interface TimelineCreateDialogProps {
+  open: boolean;
+  close: () => void;
+}
+
+const TimelineCreateDialog: React.FC<TimelineCreateDialogProps> = (props) => {
+  const navigate = useNavigate();
+
+  const user = useUserLoggedIn();
+
+  return (
+    <OperationDialog
+      open={props.open}
+      onClose={props.close}
+      themeColor="success"
+      title="home.createDialog.title"
+      inputScheme={
+        [
+          {
+            type: "text",
+            label: "home.createDialog.name",
+            helperText: "home.createDialog.nameFormat",
+          },
+        ] as const
+      }
+      inputValidator={([name]) => {
+        if (name.length === 0) {
+          return { 0: "home.createDialog.noEmpty" };
+        } else if (name.length > 26) {
+          return { 0: "home.createDialog.tooLong" };
+        } else if (!validateTimelineName(name)) {
+          return { 0: "home.createDialog.badFormat" };
+        } else {
+          return null;
+        }
+      }}
+      onProcess={([name]): Promise<HttpTimelineInfo> =>
+        getHttpTimelineClient().postTimeline({ name })
+      }
+      onSuccessAndClose={(timeline: HttpTimelineInfo) => {
+        navigate(`${user.username}/${timeline.nameV2}`);
+      }}
+      failurePrompt={(e) => `${e as string}`}
+    />
+  );
+};
+
+export default TimelineCreateDialog;
diff --git a/FrontEnd/src/migrating/center/index.css b/FrontEnd/src/migrating/center/index.css
new file mode 100644
index 00000000..a779ff90
--- /dev/null
+++ b/FrontEnd/src/migrating/center/index.css
@@ -0,0 +1,43 @@
+.timeline-board {

+  min-height: 200px;

+  height: 100%;

+  position: relative;

+  padding: 1em 0;

+  display: flex;

+  flex-direction: column;

+}

+

+.timeline-board-header {

+  display: flex;

+  align-items: center;

+  justify-content: space-between;

+  padding: 0 1em;

+}

+

+.timeline-board-item {

+  font-size: 1.1em;

+  height: 48px;

+  transition: background 0.3s;

+  display: flex;

+  align-items: center;

+  padding: 0 1em;

+}

+

+.timeline-board-item .icon {

+  height: 1.3em;

+  color: black;

+}

+

+.timeline-board-item:hover {

+  background: #dee2e6;

+}

+.timeline-board-item .right {

+  display: flex;

+  align-items: center;

+  flex-shrink: 0;

+}

+.timeline-board-item .title {

+  white-space: nowrap;

+  overflow: hidden;

+  text-overflow: ellipsis;

+}

diff --git a/FrontEnd/src/migrating/center/index.tsx b/FrontEnd/src/migrating/center/index.tsx
new file mode 100644
index 00000000..77af2c20
--- /dev/null
+++ b/FrontEnd/src/migrating/center/index.tsx
@@ -0,0 +1,60 @@
+import * as React from "react";
+import { useNavigate } from "react-router-dom";
+
+import { useUserLoggedIn } from "@/services/user";
+
+import SearchInput from "../common/SearchInput";
+import Button from "../common/button/Button";
+import CenterBoards from "./CenterBoards";
+import TimelineCreateDialog from "./TimelineCreateDialog";
+
+import "./index.css";
+
+const HomePage: React.FC = () => {
+  const navigate = useNavigate();
+
+  const user = useUserLoggedIn();
+
+  const [navText, setNavText] = React.useState<string>("");
+
+  const [dialog, setDialog] = React.useState<"create" | null>(null);
+
+  return (
+    <>
+      <div className="container">
+        <div className="row my-3 justify-content-center">
+          <div className="col col-12 col-md-8">
+            <SearchInput
+              className="justify-content-center"
+              value={navText}
+              onChange={setNavText}
+              onButtonClick={() => {
+                navigate(`search?q=${navText}`);
+              }}
+              additionalButton={
+                user != null && (
+                  <Button
+                    text="home.createButton"
+                    color="success"
+                    onClick={() => {
+                      setDialog("create");
+                    }}
+                  />
+                )
+              }
+            />
+          </div>
+        </div>
+        <CenterBoards />
+      </div>
+      <TimelineCreateDialog
+        open={dialog === "create"}
+        close={() => {
+          setDialog(null);
+        }}
+      />
+    </>
+  );
+};
+
+export default HomePage;