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import React, { useEffect, useState, useRef } from 'react';
import Error from './Err';
import { TitleInput } from './Inputs';
import CodeRenderer from './renderers/Code'
import PasteInfo from './PasteInfo';
import PasswordModal from './modals/PasswordModal'
import { FetchPaste, FetchPasswordPaste } from '../helpers/httpHelper'
import { LANGS } from './renderers/Code'
import RenderDispatch from './renderers/RenderDispatch'
import MetaTags from 'react-meta-tags';
function fmtDateStr(dateString) {
const d = new Date(dateString)
const options = { hour: '2-digit', minute: '2-digit', year: 'numeric', month: 'long', day: 'numeric' }
return d.toLocaleDateString("en-US", options).toLocaleLowerCase()
}
const ViewPaste = (props) => {
const [title, setTitle] = useState('fetching paste...');
const [content, setContent] = useState('');
const [hasPass, setHasPass] = useState(false);
const [enteredPass, setEnteredPass] = useState('');
const [validPass, setValidPass] = useState(false);
const [expiry, setExpiry] = useState('');
const [theme, setTheme] = useState('atom');
const [isRenderMode, setIsRenderMode] = useState(false);
const [language, setLanguage] = useState(LANGS.auto);
useEffect(() => {
setIsRenderMode(language === 'latex' || language === 'markdown')
}, [language])
const ErrorLabelRef = useRef(null);
const ComponentRef = useRef(null);
function validatePass(pass, onErrorCallBack) {
FetchPasswordPaste(props.hash, pass)
.then((response) => {
setValidPass(true)
setStateFromData(response.data)
}).catch((error) => {
const resp = error.response
// 401 unauth (bad pass)
if (resp.status === 401) {
onErrorCallBack("incorrect pass")
return
}
// otherwise, just log it lmao
if (resp !== undefined) {
const errTxt = `${resp.status}: ${resp.data}`
onErrorCallBack(errTxt)
} else {
// some weird err (e.g. network)
onErrorCallBack(error)
}
});
}
function setStateFromData(data) {
document.title = data.title
setTitle(data.title)
setContent(data.content)
setLanguage(data.language)
setExpiry(fmtDateStr(data.expiry))
}
useEffect(() => {
FetchPaste(props.hash)
.then((response) => {
setStateFromData(response.data)
}).catch((error) => {
const resp = error.response
// network err
if (!resp) {
ErrorLabelRef.current.showMessage(error)
return
}
// catch 401 unauth (password protected)
if (resp.status === 401) {
setHasPass(true)
return
}
// some weird err
if (resp !== undefined) {
const errTxt = `${resp.status}: ${resp.data}`
ErrorLabelRef.current.showMessage(errTxt, -1)
return
}
// some weird err (e.g. network)
ErrorLabelRef.current.showMessage(error, -1)
})
}, [props.hash])
function getDisplay() {
if (isRenderMode) {
return (
<RenderDispatch
language={language}
content={content}
ref={ComponentRef}
/>
)
} else {
return (
<CodeRenderer
content={content}
lang={language}
theme={theme}
ref={ComponentRef}
id="pasteInput" />
)
}
}
return (
<div>
<MetaTags>
<meta name="description" content={`${language}, expires ${expiry}. hosted on ctrl-v`} />
<meta property="og:title" content={title} />
</MetaTags>
<PasswordModal
hasPass={hasPass}
validPass={validPass}
value={enteredPass}
onChange={(e) => setEnteredPass(e.target.value)}
validateCallback={validatePass} />
<TitleInput
value={title}
id="titleInput"
readOnly />
{getDisplay()}
<PasteInfo
hash={props.hash}
lang={language}
theme={theme}
expiry={expiry}
toggleRenderCallback={() => setIsRenderMode(!isRenderMode)}
isRenderMode={isRenderMode}
onChange={(e) => setTheme(e.target.value)}
compref={ComponentRef}
err={<Error ref={ErrorLabelRef} />}
/>
</div>
);
}
export default ViewPaste
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