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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 | import { ArrowBack, ArrowForward, Forum } from "@mui/icons-material";
import { IconButton, styled, Typography } from "@mui/material";
import { useInfiniteQuery } from "@tanstack/react-query";
import { RpcError } from "grpc-web";
import { useTranslation } from "i18n";
import { DASHBOARD } from "i18n/namespaces";
import { ListMyCommunitiesDiscussionsRes } from "proto/discussions_pb";
import { useState } from "react";
import { service } from "service";
import { listMyCommunitiesDiscussionsKey } from "../queryKeys";
import DiscussionListRow, { DiscussionListContainer, DiscussionListRowSkeleton } from "./DiscussionListRow";
const SectionHeader = styled("div")({
display: "flex",
alignItems: "center",
justifyContent: "space-between",
marginBottom: "8px",
});
const EmptyStateRow = styled("div")(({ theme }) => ({
display: "flex",
alignItems: "center",
gap: theme.spacing(2),
padding: theme.spacing(2),
border: "1px dashed var(--mui-palette-divider)",
borderRadius: 10,
background: "var(--mui-palette-grey-50)",
}));
export default function MyCommunitiesDiscussions() {
const { t } = useTranslation([DASHBOARD]);
const [currentPageIndex, setCurrentPageIndex] = useState(0);
const { data, isLoading, fetchNextPage, hasNextPage, isFetchingNextPage } = useInfiniteQuery<
ListMyCommunitiesDiscussionsRes.AsObject,
RpcError
>({
queryKey: [listMyCommunitiesDiscussionsKey],
queryFn: ({ pageParam: pageToken }) =>
service.communities.listMyCommunitiesDiscussions({
pageToken: pageToken as string | undefined,
pageSize: 3,
}),
getNextPageParam: (lastPage) => (lastPage.nextPageToken ? lastPage.nextPageToken : undefined),
initialPageParam: undefined as string | undefined,
});
const pages = data?.pages ?? [];
const isLastLoadedPage = pages.length === 0 || currentPageIndex === pages.length - 1;
const currentItems = pages[currentPageIndex]?.discussionsList;
const hasPrev = currentPageIndex > 0;
const hasForward = !isLastLoadedPage || !!hasNextPage;
const handleNext = () => {
if (!isLastLoadedPage) {
setCurrentPageIndex((i) => i + 1);
} else if (hasNextPage && !isFetchingNextPage) {
fetchNextPage();
setCurrentPageIndex((i) => i + 1);
}
};
const showingSkeleton = isLoading || (isFetchingNextPage && currentItems === undefined);
return (
<div>
<SectionHeader>
<Typography variant="h2" sx={{ display: "inline-flex", alignItems: "center", gap: 1 }}>
<Forum sx={{ fontSize: 20, color: "var(--mui-palette-primary-main)" }} />
{t("dashboard:discussions.community_header")}
</Typography>
<div>
<IconButton
size="small"
onClick={() => setCurrentPageIndex((i) => i - 1)}
disabled={!hasPrev}
color={hasPrev ? "primary" : "default"}
aria-label={t("dashboard:prev_page_button_a11y")}
>
<ArrowBack fontSize="small" />
</IconButton>
<IconButton
size="small"
onClick={handleNext}
disabled={!hasForward || isFetchingNextPage}
color={hasForward ? "primary" : "default"}
aria-label={t("dashboard:next_page_button_a11y")}
>
<ArrowForward fontSize="small" />
</IconButton>
</div>
</SectionHeader>
{showingSkeleton ? (
<DiscussionListContainer>
{[0, 1, 2].map((i) => (
<DiscussionListRowSkeleton key={i} />
))}
</DiscussionListContainer>
) : currentItems?.length ? (
<DiscussionListContainer>
{currentItems.map((d) => (
<DiscussionListRow key={d.discussionId} discussion={d} />
))}
</DiscussionListContainer>
) : (
<EmptyStateRow>
<Typography variant="body2" sx={{ color: "var(--mui-palette-text-secondary)" }}>
{t("dashboard:discussions.community_empty_message")}
</Typography>
</EmptyStateRow>
)}
</div>
);
}
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