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import MuiIconButton from "@mui/material/IconButton";
import makeStyles from "@mui/styles/makeStyles";
import classNames from "classnames";
import Alert from "components/Alert";
import CircularProgress from "components/CircularProgress";
import {
CANCEL_UPLOAD,
CONFIRM_UPLOAD,
COULDNT_READ_FILE,
getAvatarLabel,
NO_VALID_FILE,
SELECT_AN_IMAGE,
UPLOAD_PENDING_ERROR,
} from "components/constants";
import IconButton from "components/IconButton";
import { CheckIcon, CrossIcon } from "components/Icons";
import Sentry from "platform/sentry";
import React, { useRef, useState } from "react";
import { Control, useController } from "react-hook-form";
import { useMutation } from "react-query";
import { service } from "service";
import { ImageInputValues } from "service/api";
import { DEFAULT_HEIGHT, DEFAULT_WIDTH } from "./constants";
const useStyles = makeStyles((theme) => ({
root: {
display: "flex",
flexDirection: "column",
alignItems: "center",
},
inputRoot: {
display: "flex",
width: "100%",
},
avatar: {
"& img": { objectFit: "cover" },
},
confirmationButtonContainer: {
display: "flex",
flexDirection: "column",
justifyContent: "center",
"& > * + *": {
marginTop: theme.spacing(1),
},
},
image: {
height: 100,
[theme.breakpoints.up("md")]: {
height: 200,
},
width: "100%",
objectFit: "cover",
cursor: "pointer",
"&:hover": {
backgroundColor: theme.palette.action.hover,
},
},
imageGrow: {
maxWidth: "100%",
height: "auto",
},
input: {
display: "none",
},
label: {
alignItems: "center",
display: "flex",
justifyContent: "center",
width: "100%",
},
loading: {
position: "absolute",
},
}));
interface ImageInputProps {
className?: string;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
control: Control<any>;
id: string;
initialPreviewSrc?: string;
name: string;
onSuccess?(data: ImageInputValues): Promise<void>;
}
interface AvatarInputProps extends ImageInputProps {
type: "avatar";
userName: string;
}
interface RectImgInputProps extends ImageInputProps {
type: "rect";
alt: string;
grow?: boolean;
height?: string;
width?: string;
}
export function ImageInput(props: AvatarInputProps | RectImgInputProps) {
const { className, control, id, initialPreviewSrc, name } = props;
const classes = useStyles();
//this ref handles the case where the user uploads an image, selects another image,
//but then cancels - it should go to the previous image rather than the original
const confirmedUpload = useRef<ImageInputValues>();
const [imageUrl, setImageUrl] = useState(initialPreviewSrc);
const [file, setFile] = useState<File | null>(null);
const [readerError, setReaderError] = useState("");
const mutation = useMutation<ImageInputValues, Error>(
() =>
file
? service.api.uploadFile(file)
: Promise.reject(new Error(NO_VALID_FILE)),
{
onSuccess: async (data: ImageInputValues) => {
field.onChange(data.key);
setImageUrl(
props.type === "avatar" ? data.thumbnail_url : data.full_url
);
confirmedUpload.current = data;
setFile(null);
await props.onSuccess?.(data);
},
}
);
const isConfirming = !mutation.isLoading && file !== null;
const { field } = useController({
name,
control,
defaultValue: "",
rules: {
validate: () => !isConfirming || UPLOAD_PENDING_ERROR,
},
});
const handleChange = async (event: React.ChangeEvent<HTMLInputElement>) => {
setReaderError("");
Iif (!event.target.files?.length) return;
const file = event.target.files[0];
try {
const base64 = await new Promise<string>((resolve, reject) => {
const reader = new FileReader();
reader.onload = () => resolve(reader.result as string);
reader.onerror = (error) => reject(error);
reader.readAsDataURL(file);
});
setImageUrl(base64);
setFile(file);
} catch (e) {
Sentry.captureException(
new Error((e as ProgressEvent<FileReader>).toString()),
{
tags: {
component: "component/ImageInput",
},
}
);
setReaderError(COULDNT_READ_FILE);
}
};
//without this, onChange is not fired when the same file is selected after cancelling
const inputRef = useRef<HTMLInputElement>(null);
const handleClick = () => {
if (inputRef.current) inputRef.current.value = "";
};
const handleCancel = () => {
field.onChange(confirmedUpload.current?.key ?? "");
const imageUrl =
props.type === "avatar"
? confirmedUpload.current?.thumbnail_url
: confirmedUpload.current?.full_url;
setImageUrl(imageUrl ?? initialPreviewSrc);
setFile(null);
};
return (
<div className={classes.root}>
{mutation.isError && (
<Alert severity="error">{mutation.error?.message || ""}</Alert>
)}
{readerError && <Alert severity="error">{readerError}</Alert>}
<div className={classes.inputRoot}>
<input
aria-label={SELECT_AN_IMAGE}
className={classes.input}
accept="image/jpeg,image/png,image/gif"
id={id}
type="file"
onChange={handleChange}
onClick={handleClick}
ref={inputRef}
/>
<label className={classes.label} htmlFor={id} ref={field.ref}>
{props.type === "avatar" ? (
<MuiIconButton component="span">
<Avatar
className={classNames(classes.avatar, className)}
src={imageUrl}
alt={getAvatarLabel(props.userName ?? "")}
>
{props.userName?.split(/\s+/).map((name) => name[0])}
</Avatar>
</MuiIconButton>
) : (
<img
className={classNames(classes.image, className, {
[classes.imageGrow]: props.grow,
})}
src={imageUrl ?? "/img/imagePlaceholder.svg"}
style={{ objectFit: !imageUrl ? "contain" : undefined }}
alt={props.alt}
width={props.width ?? DEFAULT_WIDTH}
height={props.height ?? DEFAULT_HEIGHT}
/>
)}
{mutation.isLoading && (
<CircularProgress className={classes.loading} />
)}
</label>
{isConfirming && (
<div className={classes.confirmationButtonContainer}>
<IconButton
aria-label={CANCEL_UPLOAD}
onClick={handleCancel}
size="small"
>
<CrossIcon />
</IconButton>
<IconButton
aria-label={CONFIRM_UPLOAD}
onClick={() => mutation.mutate()}
size="small"
>
<CheckIcon />
</IconButton>
</div>
)}
</div>
</div>
);
}
export default ImageInput;
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