Split front and back end.

7 files changed, 460 insertions, 0 deletions

diff --git a/FrontEnd/src/app/views/home/BoardWithUser.tsx b/FrontEnd/src/app/views/home/BoardWithUser.tsx
new file mode 100644
index 00000000..dcd39cbe
--- /dev/null
+++ b/FrontEnd/src/app/views/home/BoardWithUser.tsx
@@ -0,0 +1,101 @@
+import React from "react";
+import { Row, Col } from "react-bootstrap";
+import { useTranslation } from "react-i18next";
+
+import { UserWithToken } from "@/services/user";
+import { TimelineInfo } from "@/services/timeline";
+import { getHttpTimelineClient } from "@/http/timeline";
+
+import TimelineBoard from "./TimelineBoard";
+import OfflineBoard from "./OfflineBoard";
+
+const BoardWithUser: React.FC<{ user: UserWithToken }> = ({ user }) => {
+  const { t } = useTranslation();
+
+  const [ownTimelines, setOwnTimelines] = React.useState<
+    TimelineInfo[] | "offline" | "loading"
+  >("loading");
+  const [joinTimelines, setJoinTimelines] = React.useState<
+    TimelineInfo[] | "offline" | "loading"
+  >("loading");
+
+  React.useEffect(() => {
+    let subscribe = true;
+    if (ownTimelines === "loading") {
+      void getHttpTimelineClient()
+        .listTimeline({ relate: user.username, relateType: "own" })
+        .then(
+          (timelines) => {
+            if (subscribe) {
+              setOwnTimelines(timelines);
+            }
+          },
+          () => {
+            setOwnTimelines("offline");
+          }
+        );
+    }
+    return () => {
+      subscribe = false;
+    };
+  }, [user, ownTimelines]);
+
+  React.useEffect(() => {
+    let subscribe = true;
+    if (joinTimelines === "loading") {
+      void getHttpTimelineClient()
+        .listTimeline({ relate: user.username, relateType: "join" })
+        .then(
+          (timelines) => {
+            if (subscribe) {
+              setJoinTimelines(timelines);
+            }
+          },
+          () => {
+            setJoinTimelines("offline");
+          }
+        );
+    }
+    return () => {
+      subscribe = false;
+    };
+  }, [user, joinTimelines]);
+
+  return (
+    <Row className="my-2 justify-content-center">
+      {ownTimelines === "offline" && joinTimelines === "offline" ? (
+        <Col className="py-2" sm="8" lg="6">
+          <OfflineBoard
+            onReload={() => {
+              setOwnTimelines("loading");
+              setJoinTimelines("loading");
+            }}
+          />
+        </Col>
+      ) : (
+        <>
+          <Col sm="6" lg="5" className="py-2">
+            <TimelineBoard
+              title={t("home.ownTimeline")}
+              timelines={ownTimelines}
+              onReload={() => {
+                setOwnTimelines("loading");
+              }}
+            />
+          </Col>
+          <Col sm="6" lg="5" className="py-2">
+            <TimelineBoard
+              title={t("home.joinTimeline")}
+              timelines={joinTimelines}
+              onReload={() => {
+                setJoinTimelines("loading");
+              }}
+            />
+          </Col>
+        </>
+      )}
+    </Row>
+  );
+};
+
+export default BoardWithUser;
diff --git a/FrontEnd/src/app/views/home/BoardWithoutUser.tsx b/FrontEnd/src/app/views/home/BoardWithoutUser.tsx
new file mode 100644
index 00000000..ebfddb50
--- /dev/null
+++ b/FrontEnd/src/app/views/home/BoardWithoutUser.tsx
@@ -0,0 +1,60 @@
+import React from "react";
+import { Row, Col } from "react-bootstrap";
+
+import { TimelineInfo } from "@/services/timeline";
+import { getHttpTimelineClient } from "@/http/timeline";
+
+import TimelineBoard from "./TimelineBoard";
+import OfflineBoard from "./OfflineBoard";
+
+const BoardWithoutUser: React.FC = () => {
+  const [publicTimelines, setPublicTimelines] = React.useState<
+    TimelineInfo[] | "offline" | "loading"
+  >("loading");
+
+  React.useEffect(() => {
+    let subscribe = true;
+    if (publicTimelines === "loading") {
+      void getHttpTimelineClient()
+        .listTimeline({ visibility: "Public" })
+        .then(
+          (timelines) => {
+            if (subscribe) {
+              setPublicTimelines(timelines);
+            }
+          },
+          () => {
+            setPublicTimelines("offline");
+          }
+        );
+    }
+    return () => {
+      subscribe = false;
+    };
+  }, [publicTimelines]);
+
+  return (
+    <Row className="my-2 justify-content-center">
+      {publicTimelines === "offline" ? (
+        <Col sm="8" lg="6">
+          <OfflineBoard
+            onReload={() => {
+              setPublicTimelines("loading");
+            }}
+          />
+        </Col>
+      ) : (
+        <Col sm="8" lg="6">
+          <TimelineBoard
+            timelines={publicTimelines}
+            onReload={() => {
+              setPublicTimelines("loading");
+            }}
+          />
+        </Col>
+      )}
+    </Row>
+  );
+};
+
+export default BoardWithoutUser;
diff --git a/FrontEnd/src/app/views/home/OfflineBoard.tsx b/FrontEnd/src/app/views/home/OfflineBoard.tsx
new file mode 100644
index 00000000..fc05bd74
--- /dev/null
+++ b/FrontEnd/src/app/views/home/OfflineBoard.tsx
@@ -0,0 +1,61 @@
+import React from "react";
+import { Link } from "react-router-dom";
+import { Trans } from "react-i18next";
+
+import { getAllCachedTimelineNames } from "@/services/timeline";
+import UserTimelineLogo from "../common/UserTimelineLogo";
+import TimelineLogo from "../common/TimelineLogo";
+
+export interface OfflineBoardProps {
+  onReload: () => void;
+}
+
+const OfflineBoard: React.FC<OfflineBoardProps> = ({ onReload }) => {
+  const [timelines, setTimelines] = React.useState<string[]>([]);
+
+  React.useEffect(() => {
+    let subscribe = true;
+    void getAllCachedTimelineNames().then((t) => {
+      if (subscribe) setTimelines(t);
+    });
+    return () => {
+      subscribe = false;
+    };
+  });
+
+  return (
+    <>
+      <Trans i18nKey="home.offlinePrompt">
+        0
+        <a
+          href="#"
+          onClick={(e) => {
+            onReload();
+            e.preventDefault();
+          }}
+        >
+          1
+        </a>
+        2
+      </Trans>
+      {timelines.map((timeline) => {
+        const isPersonal = timeline.startsWith("@");
+        const url = isPersonal
+          ? `/users/${timeline.slice(1)}`
+          : `/timelines/${timeline}`;
+        return (
+          <div key={timeline} className="timeline-board-item">
+            {isPersonal ? (
+              <UserTimelineLogo className="icon" />
+            ) : (
+              <TimelineLogo className="icon" />
+            )}
+            <Link to={url}>{timeline}</Link>
+          </div>
+        );
+      })}
+    </>
+  );
+};
+
+export default OfflineBoard;
diff --git a/FrontEnd/src/app/views/home/TimelineBoard.tsx b/FrontEnd/src/app/views/home/TimelineBoard.tsx
new file mode 100644
index 00000000..a3d176e1
--- /dev/null
+++ b/FrontEnd/src/app/views/home/TimelineBoard.tsx
@@ -0,0 +1,73 @@
+import React from "react";
+import clsx from "clsx";
+import { Link } from "react-router-dom";
+import { Trans } from "react-i18next";
+import { Spinner } from "react-bootstrap";
+
+import { TimelineInfo } from "@/services/timeline";
+import TimelineLogo from "../common/TimelineLogo";
+import UserTimelineLogo from "../common/UserTimelineLogo";
+
+export interface TimelineBoardProps {
+  title?: string;
+  timelines: TimelineInfo[] | "offline" | "loading";
+  onReload: () => void;
+  className?: string;
+}
+
+const TimelineBoard: React.FC<TimelineBoardProps> = (props) => {
+  const { title, timelines, className } = props;
+
+  return (
+    <div className={clsx("timeline-board", className)}>
+      {title != null && <h3 className="text-center">{title}</h3>}
+      {(() => {
+        if (timelines === "loading") {
+          return (
+            <div className="d-flex flex-grow-1 justify-content-center align-items-center">
+              <Spinner variant="primary" animation="border" />
+            </div>
+          );
+        } else if (timelines === "offline") {
+          return (
+            <div className="d-flex flex-grow-1 justify-content-center align-items-center">
+              <Trans i18nKey="loadFailReload" parent="div">
+                0
+                <a
+                  href="#"
+                  onClick={(e) => {
+                    props.onReload();
+                    e.preventDefault();
+                  }}
+                >
+                  1
+                </a>
+                2
+              </Trans>
+            </div>
+          );
+        } else {
+          return timelines.map((timeline) => {
+            const { name } = timeline;
+            const isPersonal = name.startsWith("@");
+            const url = isPersonal
+              ? `/users/${timeline.owner.username}`
+              : `/timelines/${name}`;
+            return (
+              <div key={name} className="timeline-board-item">
+                {isPersonal ? (
+                  <UserTimelineLogo className="icon" />
+                ) : (
+                  <TimelineLogo className="icon" />
+                )}
+                <Link to={url}>{name}</Link>
+              </div>
+            );
+          });
+        }
+      })()}
+    </div>
+  );
+};
+
+export default TimelineBoard;
diff --git a/FrontEnd/src/app/views/home/TimelineCreateDialog.tsx b/FrontEnd/src/app/views/home/TimelineCreateDialog.tsx
new file mode 100644
index 00000000..d9467719
--- /dev/null
+++ b/FrontEnd/src/app/views/home/TimelineCreateDialog.tsx
@@ -0,0 +1,53 @@
+import React from "react";
+import { useHistory } from "react-router";
+
+import { validateTimelineName, timelineService } from "@/services/timeline";
+import OperationDialog from "../common/OperationDialog";
+
+interface TimelineCreateDialogProps {
+  open: boolean;
+  close: () => void;
+}
+
+const TimelineCreateDialog: React.FC<TimelineCreateDialogProps> = (props) => {
+  const history = useHistory();
+
+  let nameSaved: string;
+
+  return (
+    <OperationDialog
+      open={props.open}
+      close={props.close}
+      titleColor="success"
+      title="home.createDialog.title"
+      inputScheme={[
+        {
+          type: "text",
+          label: "home.createDialog.name",
+          helperText: "home.createDialog.nameFormat",
+          validator: (name) => {
+            if (name.length === 0) {
+              return "home.createDialog.noEmpty";
+            } else if (name.length > 26) {
+              return "home.createDialog.tooLong";
+            } else if (!validateTimelineName(name)) {
+              return "home.createDialog.badFormat";
+            } else {
+              return null;
+            }
+          },
+        },
+      ]}
+      onProcess={([name]) => {
+        nameSaved = name as string;
+        return timelineService.createTimeline(nameSaved).toPromise();
+      }}
+      onSuccessAndClose={() => {
+        history.push(`timelines/${nameSaved}`);
+      }}
+      failurePrompt={(e) => `${e as string}`}
+    />
+  );
+};
+
+export default TimelineCreateDialog;
diff --git a/FrontEnd/src/app/views/home/home.sass b/FrontEnd/src/app/views/home/home.sass
new file mode 100644
index 00000000..28a2e5f3
--- /dev/null
+++ b/FrontEnd/src/app/views/home/home.sass
@@ -0,0 +1,13 @@
+.timeline-board-item

+  font-size: 1.1em

+  @extend .my-2

+  .icon

+    height: 1.3em

+    @extend .mr-2

+

+.timeline-board

+  @extend .cru-card

+  @extend .d-flex

+  @extend .flex-column

+  @extend .p-3

+  min-height: 200px

diff --git a/FrontEnd/src/app/views/home/index.tsx b/FrontEnd/src/app/views/home/index.tsx
new file mode 100644
index 00000000..760adcea
--- /dev/null
+++ b/FrontEnd/src/app/views/home/index.tsx
@@ -0,0 +1,99 @@
+import React from "react";
+import { useHistory } from "react-router";
+import { useTranslation } from "react-i18next";
+import { Row, Container, Button, Col } from "react-bootstrap";
+
+import { useUser } from "@/services/user";
+import SearchInput from "../common/SearchInput";
+
+import BoardWithoutUser from "./BoardWithoutUser";
+import BoardWithUser from "./BoardWithUser";
+import TimelineCreateDialog from "./TimelineCreateDialog";
+
+const HomePage: React.FC = () => {
+  const history = useHistory();
+
+  const { t } = useTranslation();
+
+  const user = useUser();
+
+  const [navText, setNavText] = React.useState<string>("");
+
+  const [dialog, setDialog] = React.useState<"create" | null>(null);
+
+  const goto = React.useCallback((): void => {
+    if (navText === "") {
+      history.push("users/crupest");
+    } else if (navText.startsWith("@")) {
+      history.push(`users/${navText.slice(1)}`);
+    } else {
+      history.push(`timelines/${navText}`);
+    }
+  }, [navText, history]);
+
+  return (
+    <>
+      <Container fluid>
+        <Row className="justify-content-center">
+          <Col xs={12} sm={10} md={8} lg={6}>
+            <SearchInput
+              className="justify-content-center"
+              value={navText}
+              onChange={setNavText}
+              onButtonClick={goto}
+              buttonText={t("home.go")}
+              placeholder="@crupest"
+              additionalButton={
+                user != null && (
+                  <Button
+                    variant="outline-success"
+                    onClick={() => {
+                      setDialog("create");
+                    }}
+                  >
+                    {t("home.createButton")}
+                  </Button>
+                )
+              }
+            />
+          </Col>
+        </Row>
+        {(() => {
+          if (user == null) {
+            return <BoardWithoutUser />;
+          } else {
+            return <BoardWithUser user={user} />;
+          }
+        })()}
+      </Container>
+      <footer className="text-right">
+        <a
+          className="mx-3 text-muted"
+          href="http://beian.miit.gov.cn/"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <small>鄂ICP备18030913号-1</small>
+        </a>
+        <a
+          className="mx-3 text-muted"
+          href="http://www.beian.gov.cn/"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          <small className="white-space-no-wrap">公安备案 42112102000124</small>
+        </a>
+      </footer>
+      {dialog === "create" && (
+        <TimelineCreateDialog
+          open
+          close={() => {
+            setDialog(null);
+          }}
+        />
+      )}
+    </>
+  );
+};
+
+export default HomePage;