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import React from "react";
import clsx from "clsx";
import { useTranslation } from "react-i18next";
import { Row, Col, Form } from "react-bootstrap";
import { UiLogicError } from "@/common";
import {
getHttpTimelineClient,
HttpTimelineInfo,
HttpTimelinePostInfo,
HttpTimelinePostPostRequestData,
} from "@/http/timeline";
import { pushAlert } from "@/services/alert";
import { base64 } from "@/http/common";
import BlobImage from "../common/BlobImage";
import LoadingButton from "../common/LoadingButton";
interface TimelinePostEditImageProps {
onSelect: (file: File | null) => void;
}
const TimelinePostEditImage: React.FC<TimelinePostEditImageProps> = (props) => {
const { onSelect } = props;
const { t } = useTranslation();
const [file, setFile] = React.useState<File | null>(null);
const [error, setError] = React.useState<boolean>(false);
const onInputChange: React.ChangeEventHandler<HTMLInputElement> = (e) => {
setError(false);
const files = e.target.files;
if (files == null || files.length === 0) {
setFile(null);
onSelect(null);
} else {
setFile(files[0]);
}
};
return (
<>
<Form.File
label={t("chooseImage")}
onChange={onInputChange}
accept="image/*"
className="mx-3 my-1 d-inline-block"
/>
{file != null && !error && (
<BlobImage
blob={file}
className="timeline-post-edit-image"
onLoad={() => onSelect(file)}
onError={() => {
onSelect(null);
setError(true);
}}
/>
)}
{error ? <div className="text-danger">{t("loadImageError")}</div> : null}
</>
);
};
export interface TimelinePostEditProps {
className?: string;
timeline: HttpTimelineInfo;
onPosted: (newPost: HttpTimelinePostInfo) => void;
onHeightChange?: (height: number) => void;
}
const TimelinePostEdit: React.FC<TimelinePostEditProps> = (props) => {
const { timeline, onHeightChange, className, onPosted } = props;
const { t } = useTranslation();
const [process, setProcess] = React.useState<boolean>(false);
const [kind, setKind] = React.useState<"text" | "image">("text");
const [text, setText] = React.useState<string>("");
const [image, setImage] = React.useState<File | null>(null);
const draftLocalStorageKey = `timeline.${timeline.name}.postDraft`;
React.useEffect(() => {
setText(window.localStorage.getItem(draftLocalStorageKey) ?? "");
}, [draftLocalStorageKey]);
const canSend =
(kind === "text" && text.length !== 0) ||
(kind === "image" && image != null);
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
const containerRef = React.useRef<HTMLDivElement>(null!);
const notifyHeightChange = (): void => {
if (onHeightChange) {
onHeightChange(containerRef.current.clientHeight);
}
};
React.useEffect(() => {
if (onHeightChange) {
onHeightChange(containerRef.current.clientHeight);
}
return () => {
if (onHeightChange) {
onHeightChange(0);
}
};
});
const toggleKind = React.useCallback(() => {
setKind((oldKind) => (oldKind === "text" ? "image" : "text"));
setImage(null);
}, []);
const onSend = async (): Promise<void> => {
setProcess(true);
let requestData: HttpTimelinePostPostRequestData;
switch (kind) {
case "text":
requestData = {
contentType: "text/plain",
data: await base64(new Blob([text])),
};
break;
case "image":
if (image == null) {
throw new UiLogicError(
"Content type is image but image blob is null."
);
}
requestData = {
contentType: image.type,
data: await base64(image),
};
break;
default:
throw new UiLogicError("Unknown content type.");
}
getHttpTimelineClient()
.postPost(timeline.name, {
dataList: [requestData],
})
.then(
(data) => {
if (kind === "text") {
setText("");
window.localStorage.removeItem(draftLocalStorageKey);
}
setProcess(false);
setKind("text");
onPosted(data);
},
(_) => {
pushAlert({
type: "danger",
message: "timeline.sendPostFailed",
});
setProcess(false);
}
);
};
return (
<div
ref={containerRef}
className={clsx("container-fluid bg-light", className)}
>
<Row>
<Col className="px-1 py-1">
{kind === "text" ? (
<Form.Control
as="textarea"
className="w-100 h-100 timeline-post-edit"
value={text}
disabled={process}
onChange={(event: React.ChangeEvent<HTMLTextAreaElement>) => {
const value = event.currentTarget.value;
setText(value);
window.localStorage.setItem(draftLocalStorageKey, value);
}}
/>
) : (
<TimelinePostEditImage onSelect={setImage} />
)}
</Col>
<Col xs="auto" className="align-self-end m-1">
<div className="d-block text-center mt-1 mb-2">
<i
onLoad={notifyHeightChange}
className={clsx(
kind === "text" ? "bi-image" : "bi-card-text",
"icon-button"
)}
onClick={process ? undefined : toggleKind}
/>
</div>
<LoadingButton
variant="primary"
onClick={onSend}
disabled={!canSend}
loading={process}
>
{t("timeline.send")}
</LoadingButton>
</Col>
</Row>
</div>
);
};
export default TimelinePostEdit;
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