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import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
import Alert from "components/Alert";
import Button from "components/Button";
import CenteredSpinner from "components/CenteredSpinner/CenteredSpinner";
import HeaderButton from "components/HeaderButton";
import HtmlMeta from "components/HtmlMeta";
import { BackIcon } from "components/Icons";
import MarkdownInput from "components/MarkdownInput";
import TextField from "components/TextField";
import { discussionKey } from "features/queryKeys";
import { RpcError } from "grpc-web";
import { useTranslation } from "i18n";
import { COMMUNITIES, GLOBAL } from "i18n/namespaces";
import { useRouter } from "next/router";
import { Discussion } from "proto/discussions_pb";
import { useForm } from "react-hook-form";
import { routeToDiscussion } from "routes";
import { service } from "service";
import { theme } from "theme";
import { sendNativeBack, useIsNativeEmbed } from "utils/nativeLink";
const StyledWrapper = styled(Card)(() => ({
"& > :not(:last-child)": {
marginBlockEnd: theme.spacing(3),
},
padding: theme.spacing(3),
}));
const StyledForm = styled("form")(() => ({
"& > * + *": {
marginBlockStart: theme.spacing(3),
},
}));
const StyledActionButtonsContainer = styled("div")(() => ({
display: "flex",
justifyContent: "flex-end",
gap: 8,
}));
interface EditDiscussionFormData {
title: string;
content: string;
}
export default function EditDiscussionPage({
discussionId,
}: {
discussionId: number;
}) {
const { t } = useTranslation([GLOBAL, COMMUNITIES]);
const router = useRouter();
const isNativeEmbed = useIsNativeEmbed();
const queryClient = useQueryClient();
const {
data: discussion,
error: loadError,
isLoading,
} = useQuery<Discussion.AsObject, RpcError>({
queryKey: discussionKey(discussionId),
queryFn: () => service.discussions.getDiscussion(discussionId),
});
const { control, handleSubmit, register } = useForm<EditDiscussionFormData>({
mode: "onBlur",
values: discussion
? { title: discussion.title, content: discussion.content }
: undefined,
});
const {
mutate: updateDiscussion,
error: mutationError,
isPending,
} = useMutation<Discussion.AsObject, RpcError, EditDiscussionFormData>({
mutationFn: ({ title, content }) =>
service.discussions.updateDiscussion(discussionId, title, content),
onSuccess: (updated) => {
queryClient.invalidateQueries({ queryKey: discussionKey(discussionId) });
router.push(routeToDiscussion(discussionId, updated.slug));
},
});
const handleBackClick = () => {
if (isNativeEmbed) {
sendNativeBack();
return;
}
router.back();
};
const onSubmit = handleSubmit((data) => {
updateDiscussion(data);
});
return (
<>
<HtmlMeta title={t("communities:edit_discussion")} />
<HeaderButton onClick={handleBackClick} aria-label={t("global:back")}>
<BackIcon />
</HeaderButton>
{loadError && <Alert severity="error">{loadError.message}</Alert>}
{isLoading ? (
<CenteredSpinner />
) : (
discussion && (
<StyledWrapper>
<Typography variant="h2">
{t("communities:edit_discussion")}
</Typography>
{mutationError && (
<Alert severity="error">{mutationError.message}</Alert>
)}
<StyledForm onSubmit={onSubmit}>
<TextField
id="title"
{...register("title", { required: true })}
fullWidth
label={t("communities:new_discussion_title")}
/>
<Typography id="content-label" variant="h3">
{t("communities:new_discussion_topic")}
</Typography>
<MarkdownInput
control={control}
id="content"
labelId="content-label"
name="content"
/>
<StyledActionButtonsContainer>
<Button variant="outlined" onClick={handleBackClick}>
{t("global:cancel")}
</Button>
<Button loading={isPending} type="submit">
{t("global:save")}
</Button>
</StyledActionButtonsContainer>
</StyledForm>
</StyledWrapper>
)
)}
</>
);
}
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