Files
med-notes/reader/src/main.jsx
2025-06-26 04:42:51 +00:00

497 lines
18 KiB
JavaScript

import "./index.css";
import { StrictMode, useLayoutEffect, useRef, useState, useEffect, useMemo } from "react";
import { createRoot } from "react-dom/client";
import { useParams, Navigate, BrowserRouter, Link, Outlet, Route, Routes } from "react-router";
import { useShallow } from "zustand/shallow";
import { marked } from "marked";
import { apiInstance, resourcesInstance } from "./api.js";
import { useStore } from "./store.js";
import {
ArrowBackIcon,
ArrowForwardIcon,
MenuBookIcon,
MyLocationIcon,
TitleIcon,
WidthIcon,
EllipsisIcon,
CloseIcon,
JustifyTextIcon,
TextIncreaseIcon,
TextDecreaseIcon,
VRuleIcon,
} from "./icons/Icons";
createRoot(document.getElementById("root")).render(
<StrictMode>
<BrowserRouter>
<Routes>
<Route path="/" element={<Layout />}>
<Route index element={<TopicListView />} />
<Route path=":topicId" element={<FileReader />} />
</Route>
</Routes>
</BrowserRouter>
</StrictMode>,
);
function Layout() {
const params = useParams();
const topic = useStore((state) => params.topicId && state.topics.byId[params.topicId]);
const config = useStore((state) => state.config);
return (
<div className="max-w-7xl mx-auto h-full relative flex flex-col">
{config.displayTitle && (
<div className="w-full px-4 py-2 font-medium text-large text-white bg-blue-600">
<span>{topic ? `${topic.index + 1}: ${topic.title}` : "Конспект за Държавен Изпит"}</span>
</div>
)}
<Outlet />
</div>
);
}
const SUBJECTS = [
{ id: 0, name: "ВЪТРЕШНИ БОЛЕСТИ" },
{ id: 1, name: "ФАРМАКОЛОГИЯ" },
];
export function TopicListView() {
const itemRefs = useRef({});
const topics = useStore(
useShallow((state) => state.topics.allIds.map((id) => state.topics.byId[id])),
);
const selectedTopic = useStore((state) => state.selectedTopic);
const selectTopic = useStore((state) => state.selectTopic);
const selectedSubjectIndex = useStore((state) => state.subject);
const setSelectedSubjectIndex = useStore((state) => state.selectSubject);
const config = useStore((state) => state.config);
const changeConfig = useStore((state) => state.changeConfig);
const [isSelectingSubject, setIsSelectingSubject] = useState(false);
useLayoutEffect(() => {
if (selectedTopic && selectedTopic.id !== null) {
itemRefs.current?.[Math.max(selectedTopic.index - 3, 0)].scrollIntoView();
}
}, [selectedTopic]);
return (
<>
<div
className={`flex-1 overflow-y-scroll ${selectedTopic === null ? "pb-[92px]" : "pb-[156px]"}`}
>
{topics.map((topic, i) => (
<Link
key={topic.id}
ref={(node) => {
itemRefs.current[i] = node;
}}
to={`/${topic.id}`}
onClick={() => selectTopic(topic.id)}
className={`flex px-2 py-1 rounded-md cursor-pointer border-l-4 ${topic.id === selectedTopic?.id ? "bg-blue-100 border-blue-500" : "border-transparent hover:bg-gray-100"}`}
>
<div
className={`w-6 flex-shrink-0 flex font-medium justify-end ${topic.id === selectedTopic?.id ? "text-blue-600" : "text-blue-800"}`}
>
{i + 1}
</div>
<span
className={`ml-2 leading-5 ${topic.id === selectedTopic?.id ? "font-medium" : "font-normal"} ${config.wrapTopicTitles ? "truncate" : ""}`}
>
{topic.title}
</span>
</Link>
))}
</div>
<div className="absolute bottom-0 sm:p-4 px-2 py-0 w-full flex flex-col">
<div className="ml-auto p-2 flex space-x-1 h-[60px]">
<button
className={`cursor-pointer p-2 rounded-full text-white border ${config.displayTitle ? "bg-blue-100 border-blue-400" : "bg-gray-100 border-gray-400"}`}
onClick={() => changeConfig({ displayTitle: !config.displayTitle })}
>
<TitleIcon className="fill-gray-600" />
</button>
<button
className={`cursor-pointer p-2 rounded-full text-white border ${config.wrapTopicTitles ? "bg-blue-100 border-blue-400" : "bg-gray-100 border-gray-400"}`}
onClick={() => changeConfig({ wrapTopicTitles: !config.wrapTopicTitles })}
>
<EllipsisIcon className="fill-gray-600" />
</button>
{selectedTopic !== null && (
<button
className="px-3 py-3 bg-teal-500 hover:bg-teal-300 cursor-pointer rounded-full flex items-center justify-center shadow-md transition-colors"
onClick={() => {
itemRefs.current?.[Math.max(selectedTopic.index - 3, 0)].scrollIntoView({
behavior: "smooth",
});
}}
>
<MyLocationIcon className="h-5 w-5" />
</button>
)}
<div className="relative flex ml-2">
<button
className={`${isSelectingSubject ? "invisible" : ""} flex-1 shadow-xl cursor-pointer px-2 py-1 rounded-md text-xs text-blue-800 font-medium whitespace-nowrap bg-blue-100/50 backdrop-blur hover:bg-blue-200/50 border border-blue-100`}
onClick={() => setIsSelectingSubject(true)}
>
{SUBJECTS[selectedSubjectIndex].name}
</button>
{isSelectingSubject && (
<>
<button
className={`absolute w-full h-full flex-1 flex justify-center items-center cursor-pointer rounded-md backdrop-blur bg-blue-100/40 hover:bg-blue-100/80`}
onClick={() => setIsSelectingSubject(false)}
>
<CloseIcon className="fill-gray-600" />
</button>
<div className="absolute bottom-full right-0 p-2 flex space-x-1">
{SUBJECTS.map((subject) => (
<button
key={subject.id}
className={`flex-1 shadow-xl cursor-pointer px-2 py-1 rounded-md text-xs whitespace-nowrap h-[44px] ${
selectedSubjectIndex === subject.id
? "bg-blue-100 text-blue-800 font-medium border border-blue-400"
: "bg-gray-100 hover:bg-gray-200 border border-gray-400"
}`}
onClick={() => {
setSelectedSubjectIndex(subject.id);
setIsSelectingSubject(false);
}}
>
{subject.name}
</button>
))}
</div>
</>
)}
</div>
</div>
{selectedTopic !== null && (
<Link
to={`/${selectedTopic.id}`}
className="w-full p-2 mb-2 bg-blue-600 hover:bg-blue-700 cursor-pointer truncate rounded-md text-sm text-white text-center shadow-md transition-colors"
>
<span>Продължи четенето:</span>
<br />
<span className="font-medium">
{selectedTopic.index + 1}. {selectedTopic.title}
</span>
</Link>
)}
</div>
</>
);
}
export function FileReader() {
const params = useParams();
const topicsById = useStore((state) => state.topics.byId);
const selectTopic = useStore((state) => state.selectTopic);
const topic = topicsById[params.topicId];
if (!topic) {
return <Navigate to="/" replace />;
}
selectTopic(topic.id);
return <Reader topic={topic} />;
}
export function Reader({ topic }) {
const config = useStore((state) => state.config);
const changeConfig = useStore((state) => state.changeConfig);
const selectedVersion = useStore((state) => state.topicVersions[topic.id] ?? 0);
const selectVersion = useStore((state) => state.selectTopicVersion);
const getTopicAtIndex = useStore((state) => state.getTopicAtIndex);
const prevTopic = getTopicAtIndex(topic.index - 1);
const nextTopic = getTopicAtIndex(topic.index + 1);
const [isSelectingVersion, setIsSelectingVersion] = useState(false);
return (
<>
<div className="flex-1">
<PDFViewer
file={topic.files[selectedVersion]}
compact={config.narrowMode}
justifyText={config.justifyText}
zoomFactor={config.contentZoomFactor}
/>
<div className="absolute bottom-10 flex justify-between px-4 py-2 w-full z-999">
<div className="flex w-full space-x-2">
<Link to="/" className="cursor-pointer p-2 rounded-full bg-blue-600 text-white mr-auto">
<MenuBookIcon className="fill-gray-100" />
</Link>
</div>
<div className="flex items-center">
<div className="text-sm text-gray-600 rounded bg-gray-300/30 backdrop-blur px-2">
{config.contentZoomLevel}%
</div>
<button
className={`cursor-pointer p-2 mx-1 rounded-full text-white bg-gray-100/30 backdrop-blur`}
onClick={() =>
changeConfig({ contentZoomLevel: Math.max(50, config.contentZoomLevel - 10) })
}
>
<TextDecreaseIcon className="fill-gray-600" />
</button>
<button
className={`cursor-pointer p-2 rounded-full text-white bg-gray-100/30 backdrop-blur`}
onClick={() => {
changeConfig({ contentZoomLevel: Math.min(150, config.contentZoomLevel + 10) });
}}
>
<TextIncreaseIcon className="fill-gray-600" />
</button>
<VRuleIcon className="fill-gray-300" />
<button
className={`cursor-pointer p-2 mr-1 rounded-full text-white border ${config.displayTitle ? "bg-blue-100 border-blue-400" : "bg-gray-100 border-gray-400"}`}
onClick={() => changeConfig({ displayTitle: !config.displayTitle })}
>
<TitleIcon className="fill-gray-600" />
</button>
<button
className={`cursor-pointer p-2 mr-1 rounded-full text-white border ${config.justifyText ? "bg-blue-100 border-blue-400" : "bg-gray-100 border-gray-400"}`}
onClick={() => changeConfig({ justifyText: !config.justifyText })}
>
<JustifyTextIcon className="fill-gray-600" />
</button>
{window.innerWidth > 576 && (
<button
className={`cursor-pointer p-2 mr-1 rounded-full text-white border ${config.narrowMode ? "bg-blue-100 border-blue-400" : "bg-gray-100 border-gray-400"}`}
onClick={() => changeConfig({ narrowMode: !config.narrowMode })}
>
<WidthIcon className="fill-gray-600" />
</button>
)}
{topic.files.length > 1 && (
<div className="relative flex ml-2">
<button
key={topic.files[selectedVersion].file}
className={`${isSelectingVersion ? "invisible" : ""} flex-1 shadow-xl cursor-pointer px-2 py-1 rounded-md text-xs text-blue-800 font-medium whitespace-nowrap bg-blue-100/50 backdrop-blur hover:bg-blue-200/50 border border-blue-100`}
onClick={() => setIsSelectingVersion(true)}
>
Версия {selectedVersion + 1}
</button>
{isSelectingVersion && (
<button
key={topic.files[selectedVersion].file}
className={`absolute w-full h-full flex-1 flex justify-center items-center cursor-pointer rounded-md hover:backdrop-blur hover:bg-blue-100/30`}
onClick={() => setIsSelectingVersion(false)}
>
<CloseIcon className="fill-gray-600" />
</button>
)}
</div>
)}
</div>
{isSelectingVersion && (
<div className="absolute bottom-full right-0 px-4 flex space-x-1 h-10">
{topic.files.map((file, vIndex) => (
<button
key={file}
className={`flex-1 shadow-xl cursor-pointer px-2 py-1 rounded-md text-xs whitespace-nowrap ${
selectedVersion === vIndex
? "bg-blue-100 text-blue-800 font-medium border border-blue-400"
: "bg-gray-100 hover:bg-gray-200 border border-gray-400"
}`}
onClick={() => {
selectVersion(topic.id, vIndex);
setIsSelectingVersion(false);
}}
>
Версия {vIndex + 1}
</button>
))}
</div>
)}
</div>
</div>
<div className="w-full flex flex-col space-y-2">
<div className="flex bg-gray-100 border-t border-blue-200 text-center">
{topic.isFirst ? (
<div className="flex-1 border-r border-blue-200" />
) : (
<Link
to={`/${prevTopic.id}`}
className="border-r border-blue-200 w-1/2 flex-1 px-4 py-2 hover:bg-blue-200 cursor-pointer flex align-center justify-start"
>
<ArrowBackIcon />
<span className="ml-2 truncate w-full ">
{prevTopic.index + 1}: {prevTopic.title}
</span>
</Link>
)}
{topic.isLast ? (
<div className="flex-1" />
) : (
<Link
to={`/${nextTopic.id}`}
className="flex-1 px-4 py-2 hover:bg-blue-200 w-1/2 cursor-pointer flex align-center justify-end"
>
<span className="mr-2 w-full truncate">
{nextTopic.index + 1}: {nextTopic.title}
</span>
<ArrowForwardIcon />
</Link>
)}
</div>
</div>
</>
);
}
export function PDFViewer({ file, compact, zoomFactor, justifyText }) {
const iframeRef = useRef(null);
const [content, setContent] = useState(null);
const htmlContent = useMemo(() => {
const fileContent = `
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/github-markdown-css/5.4.0/github-markdown-light.min.css">
<style>
body {
font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
line-height: 1.5;
color: #333;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
margin: 0;
padding: 0 12px 40px;
${compact ? `max-width: calc(36rem / ${zoomFactor}); margin: 0 auto;` : ""}
}
${
justifyText
? `
p {
text-align: justify;
text-justify: inter-word;
}
pre, code {
font-family: 'SF Mono', Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
}
`
: ""
}
</style>
</head>
<body>
${content}
</body>
</html>
`;
return fileContent;
}, [content, compact, justifyText, zoomFactor]);
const [isLoading, setIsLoading] = useState(true);
const [error, setError] = useState(null);
const contentZoomLevel = useStore((state) => state.config.contentZoomLevel);
useEffect(() => {
if (iframeRef.current && iframeRef.current.contentDocument) {
iframeRef.current.contentDocument.body.style.zoom = `${contentZoomLevel}%`;
}
}, [contentZoomLevel]);
useEffect(() => {
const fetchFile = async () => {
try {
setIsLoading(true);
const mdPath = `/files_md/${file.filename}`;
const response = await fetch(mdPath);
if (!response.ok) {
throw new Error(`Failed to load file: ${response.status}`);
}
let fileContent = await response.text();
if (fileContent === "") {
fileContent = "**No Data!**";
}
fileContent = marked.parse(fileContent);
setContent(fileContent);
setError(null);
} catch (err) {
console.error("Error loading file:", err);
setError(err.message);
} finally {
setIsLoading(false);
}
};
fetchFile();
}, [file]);
if (error) {
return <div className="text-red-500 p-4 border border-red-300 rounded">Error: {error}</div>;
}
if (isLoading) {
return <DelayedLoader />;
}
return (
<div className={`w-full h-full overflow-hidden`}>
<iframe
ref={iframeRef}
srcDoc={htmlContent}
title={`File: ${file}`}
className="w-full h-full border-0"
key={file}
allow="fullscreen"
onLoad={() => {
if (iframeRef.current?.contentDocument?.body) {
iframeRef.current.contentDocument.body.style.zoom = `${contentZoomLevel}%`;
}
}}
/>
</div>
);
}
const DelayedLoader = ({
delayMs = 2000,
className = "p-4 flex justify-center items-center h-40",
text = "Loading...",
}) => {
const [showLoader, setShowLoader] = useState(false);
useEffect(() => {
// Set a timeout to show the loader after the specified delay
const timer = setTimeout(() => {
setShowLoader(true);
}, delayMs);
// Clear the timeout on unmount
return () => clearTimeout(timer);
}, []); // Empty dependency array - only run on mount
// Only render if the delay has passed
if (showLoader) {
return (
<div className={className}>
<div className="animate-pulse">{text}</div>
</div>
);
}
// Return null before delay threshold
return null;
};