asifagaria/OpenMediaCenter
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added lots of css to style site.

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removed mainbody class and did switching stuff in app.js
This commit is contained in:
lukas 2020-06-02 22:52:28 +02:00
parent 5f8c491674
commit 53d393fba7
16 changed files with 421 additions and 288 deletions
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54
api/videoload.php
View File

@ -11,7 +11,7 @@ if (isset($_POST['action'])) {
$query = "SELECT movie_id,movie_name FROM videos ORDER BY likes DESC, create_date ASC, movie_name ASC"; $query = "SELECT movie_id,movie_name FROM videos ORDER BY likes DESC, create_date ASC, movie_name ASC";
if (isset($_POST['tag'])) { if (isset($_POST['tag'])) {
$tag = $_POST['tag']; $tag = $_POST['tag'];
if($_POST['tag'] != "all"){ if ($_POST['tag'] != "all") {
$query = "SELECT movie_id,movie_name FROM videos $query = "SELECT movie_id,movie_name FROM videos
INNER JOIN video_tags vt on videos.movie_id = vt.video_id INNER JOIN video_tags vt on videos.movie_id = vt.video_id
INNER JOIN tags t on vt.tag_id = t.tag_id INNER JOIN tags t on vt.tag_id = t.tag_id
@ -28,7 +28,7 @@ if (isset($_POST['action'])) {
echo(json_encode($rows)); echo(json_encode($rows));
break; break;
case "getRandomMovies": case "getRandomMovies":
$query = "SELECT movie_id,movie_name FROM videos ORDER BY RAND() LIMIT ".$_POST['number']; $query = "SELECT movie_id,movie_name FROM videos ORDER BY RAND() LIMIT " . $_POST['number'];
$result = $conn->query($query); $result = $conn->query($query);
$rows = array(); $rows = array();
while ($r = mysqli_fetch_assoc($result)) { while ($r = mysqli_fetch_assoc($result)) {
@ -38,13 +38,14 @@ if (isset($_POST['action'])) {
echo(json_encode($rows)); echo(json_encode($rows));
break; break;
case "loadVideo": case "loadVideo":
$query = "SELECT movie_url,thumbnail,likes,quality,length FROM videos WHERE movie_id='" . $_POST['movieid'] . "'"; $query = "SELECT movie_name,movie_url,thumbnail,likes,quality,length FROM videos WHERE movie_id='" . $_POST['movieid'] . "'";
$result = $conn->query($query); $result = $conn->query($query);
$row = $result->fetch_assoc(); $row = $result->fetch_assoc();
$arr = array(); $arr = array();
$arr["thumbnail"] = $row["thumbnail"]; $arr["thumbnail"] = $row["thumbnail"];
$arr["movie_name"] = $row["movie_name"];
$arr["movie_url"] = $row["movie_url"]; $arr["movie_url"] = $row["movie_url"];
$arr["likes"] = $row["likes"]; $arr["likes"] = $row["likes"];
$arr["quality"] = $row["quality"]; $arr["quality"] = $row["quality"];
@ -75,7 +76,6 @@ if (isset($_POST['action'])) {
echo($row["thumbnail"]); echo($row["thumbnail"]);
break; break;
case "getTags": case "getTags":
$movieid = $_POST['movieid']; $movieid = $_POST['movieid'];
@ -104,6 +104,52 @@ if (isset($_POST['action'])) {
echo('{"result":"' . $conn->error . '"}'); echo('{"result":"' . $conn->error . '"}');
} }
break; break;
case "getStartData":
$query = "SELECT COUNT(*) as nr FROM videos";
$result = $conn->query($query);
$r = mysqli_fetch_assoc($result);
$arr = array();
$arr['total'] = $r['nr'];
$query = "SELECT COUNT(*) as nr FROM videos
INNER JOIN video_tags vt on videos.movie_id = vt.video_id
INNER JOIN tags t on vt.tag_id = t.tag_id";
$result = $conn->query($query);
$r = mysqli_fetch_assoc($result);
$arr['tagged'] = $r['nr'];
$query = "SELECT COUNT(*) as nr FROM videos
INNER JOIN video_tags vt on videos.movie_id = vt.video_id
INNER JOIN tags t on vt.tag_id = t.tag_id
WHERE t.tag_name='hd'";
$result = $conn->query($query);
$r = mysqli_fetch_assoc($result);
$arr['hd'] = $r['nr'];
$query = "SELECT COUNT(*) as nr FROM videos
INNER JOIN video_tags vt on videos.movie_id = vt.video_id
INNER JOIN tags t on vt.tag_id = t.tag_id
WHERE t.tag_name='fullhd'";
$result = $conn->query($query);
$r = mysqli_fetch_assoc($result);
$arr['fullhd'] = $r['nr'];
$query = "SELECT COUNT(*) as nr FROM videos
INNER JOIN video_tags vt on videos.movie_id = vt.video_id
INNER JOIN tags t on vt.tag_id = t.tag_id
WHERE t.tag_name='lowquality'";
$result = $conn->query($query);
$r = mysqli_fetch_assoc($result);
$arr['sd'] = $r['nr'];
$query = "SELECT COUNT(*) as nr FROM tags";
$result = $conn->query($query);
$r = mysqli_fetch_assoc($result);
$arr['tags'] = $r['nr'];
echo(json_encode($arr));
break;
} }
} else { } else {
echo('{"data":"error"}'); echo('{"data":"error"}');

30
src/App.js
View File

@ -1,6 +1,7 @@
import React from 'react'; import React from 'react';
import MainBody from "./MainBody";
import "./css/App.css" import "./css/App.css"
import HomePage from "./HomePage";
import RandomPage from "./RandomPage";
// include bootstraps css // include bootstraps css
import 'bootstrap/dist/css/bootstrap.min.css'; import 'bootstrap/dist/css/bootstrap.min.css';
@ -15,6 +16,28 @@ class App extends React.Component {
this.hideVideo = this.hideVideo.bind(this); this.hideVideo = this.hideVideo.bind(this);
} }
videoelement = null;
MainBody() {
let page;
if (this.state.page === "default") {
page = <HomePage viewbinding={{showVideo: this.showVideo, hideVideo: this.hideVideo}}/>;
this.mypage = page;
} else if (this.state.page === "random") {
page = <RandomPage viewbinding={{showVideo: this.showVideo, hideVideo: this.hideVideo}}/>;
this.mypage = page;
} else if (this.state.page === "video") {
// show videoelement if neccessary
page = this.videoelement;
} else if (this.state.page === "lastpage") {
// return back to last page
page = this.mypage;
} else {
page = <div>unimplemented yet!</div>;
}
return (page);
}
render() { render() {
return ( return (
<div className="App"> <div className="App">
@ -42,8 +65,7 @@ class App extends React.Component {
</li> </li>
</ul> </ul>
</nav> </nav>
<MainBody viewbinding={{showVideo: this.showVideo, hideVideo: this.hideVideo}} page={this.state.page} {this.MainBody()}
videoelement={this.element}/>
</div> </div>
); );
} }
@ -68,7 +90,7 @@ class App extends React.Component {
page: "video" page: "video"
}); });
this.element = element; this.videoelement = element;
} }
hideVideo() { hideVideo() {

79
src/HomePage.js
View File

@ -1,6 +1,9 @@
import React from "react"; import React from "react";
import Preview from "./Preview"; import Preview from "./Preview";
import SideBar from "./SideBar";
import "./css/HomePage.css" import "./css/HomePage.css"
import "./css/DefaultPage.css"
class HomePage extends React.Component { class HomePage extends React.Component {
// stores all available movies // stores all available movies
@ -15,9 +18,10 @@ class HomePage extends React.Component {
loadeditems: [], loadeditems: [],
sideinfo: { sideinfo: {
videonr: null, videonr: null,
fullhdvideonr: null,
hdvideonr: null, hdvideonr: null,
sdvideonr: null, sdvideonr: null,
categorynr: null tagnr: null
}, },
tag: "all" tag: "all"
}; };
@ -27,6 +31,7 @@ class HomePage extends React.Component {
document.addEventListener('scroll', this.trackScrolling); document.addEventListener('scroll', this.trackScrolling);
// initial get of all videos // initial get of all videos
this.fetchVideoData("all"); this.fetchVideoData("all");
this.fetchStartData();
} }
// this function clears all preview elements an reloads gravity with tag // this function clears all preview elements an reloads gravity with tag
@ -41,7 +46,7 @@ class HomePage extends React.Component {
.then((result) => { .then((result) => {
this.data = result; this.data = result;
this.setState({loadeditems: []}); this.setState({loadeditems: []});
this.loadindex=0; this.loadindex = 0;
this.loadPreviewBlock(12); this.loadPreviewBlock(12);
})) }))
.catch(() => { .catch(() => {
@ -49,6 +54,28 @@ class HomePage extends React.Component {
}); });
} }
fetchStartData() {
const updateRequest = new FormData();
updateRequest.append('action', 'getStartData');
// fetch all videos available
fetch('/api/videoload.php', {method: 'POST', body: updateRequest})
.then((response) => response.json()
.then((result) => {
this.setState({
sideinfo: {
videonr: result['total'],
fullhdvideonr: result['fullhd'],
hdvideonr: result['hd'],
sdvideonr: result['sd'],
tagnr: result['tags']
}});
}))
.catch(() => {
console.log("no connection to backend");
});
}
componentWillUnmount() { componentWillUnmount() {
this.setState({}); this.setState({});
document.removeEventListener('scroll', this.trackScrolling); document.removeEventListener('scroll', this.trackScrolling);
@ -57,32 +84,26 @@ class HomePage extends React.Component {
render() { render() {
return ( return (
<div> <div>
<div><h1>Home page</h1></div> <div className='pageheader'>
<div className='sideinfo'> <span className='pageheadertitle'>Home Page</span>
Infos: <span className='pageheadersubtitle'>All Videos - {this.state.sideinfo.videonr}</span>
<div>Total Number of Videos: {this.state.sideinfo.videonr}</div> <hr/>
<div>HD Videos: {this.state.sideinfo.hdvideonr}</div>
<div>SD Videos: {this.state.sideinfo.sdvideonr}</div>
<div>Total Number of Categories: {this.state.sideinfo.categorynr}</div>
<div>default tags:</div>
<button className='btn btn-primary' onClick={() => {
this.fetchVideoData("fullhd");
}}>FullHd
</button>
<button className='btn btn-primary' onClick={() => {
this.fetchVideoData("all");
}}>All
</button>
<button className='btn btn-primary' onClick={() => {
this.fetchVideoData("lowquality");
}}>LowQuality
</button>
<button className='btn btn-primary' onClick={() => {
this.fetchVideoData("hd");
}}>HD
</button>
</div> </div>
<SideBar>
<div className='sidebartitle'>Infos:</div>
<hr/>
<div className='sidebarinfo'><b>{this.state.sideinfo.videonr}</b> Videos Total!</div>
<div className='sidebarinfo'><b>{this.state.sideinfo.fullhdvideonr}</b> FULL-HD Videos!</div>
<div className='sidebarinfo'><b>{this.state.sideinfo.hdvideonr}</b> HD Videos!</div>
<div className='sidebarinfo'><b>{this.state.sideinfo.sdvideonr}</b> SD Videos!</div>
<div className='sidebarinfo'><b>{this.state.sideinfo.tagnr}</b> different Tags!</div>
<hr/>
<div className='sidebartitle'>Default Tags:</div>
<button className='tagbtn' onClick={() => this.fetchVideoData("all")}>All</button>
<button className='tagbtn' onClick={() => this.fetchVideoData("fullhd")}>FullHd</button>
<button className='tagbtn' onClick={() => this.fetchVideoData("lowquality")}>LowQuality</button>
<button className='tagbtn' onClick={() => this.fetchVideoData("hd")}>HD</button>
</SideBar>
<div className='maincontent'> <div className='maincontent'>
{this.state.loadeditems.map(elem => ( {this.state.loadeditems.map(elem => (
<Preview <Preview
@ -122,7 +143,9 @@ class HomePage extends React.Component {
} }
trackScrolling = () => { trackScrolling = () => {
if (window.innerHeight + document.documentElement.scrollTop === document.documentElement.offsetHeight) { // comparison if current scroll position is on bottom
// 200 stands for bottom offset to trigger load
if (window.innerHeight + document.documentElement.scrollTop + 200 >= document.documentElement.offsetHeight) {
this.loadPreviewBlock(6); this.loadPreviewBlock(6);
} }
} }

32
src/MainBody.js
View File

@ -1,32 +0,0 @@
import React from "react";
import HomePage from "./HomePage";
import RandomPage from "./RandomPage";
class MainBody extends React.Component {
constructor(props) {
super(props);
this.props = props;
}
render() {
let page;
if (this.props.page === "default") {
page = <HomePage viewbinding={this.props.viewbinding}/>;
this.mypage = page;
} else if (this.props.page === "random"){
page = <RandomPage viewbinding={this.props.viewbinding}/>;
this.mypage = page;
}else if (this.props.page === "video") {
// show videoelement if neccessary
page = this.props.videoelement;
}else if (this.props.page === "lastpage") {
// return back to last page
page = this.mypage;
} else {
page = <div>unimplemented yet!</div>;
}
return (page);
}
}
export default MainBody;

76
src/Player.js
View File

@ -1,6 +1,7 @@
import React from "react"; import React from "react";
import "./css/Player.css" import "./css/Player.css"
import {PlyrComponent} from 'plyr-react'; import {PlyrComponent} from 'plyr-react';
import SideBar from "./SideBar";
class Player extends React.Component { class Player extends React.Component {
@ -36,50 +37,38 @@ class Player extends React.Component {
render() { render() {
return ( return (
<div id='videocontainer'> <div id='videocontainer'>
<div className="row"> <div className='pageheader'>
<div className="col-sm-2"> <span className='pageheadertitle'>Watch</span>
<div className="videoleftbanner"> <span className='pageheadersubtitle'>{this.state.movie_name}</span>
<div className="likefield">Likes: {this.state.likes}</div> <hr/>
<div className="likefield">Quality: {this.state.quality}p</div> </div>
<div className="likefield">Length in Minutes: {this.state.length}</div> <SideBar>
</div> <div className='sidebartitle'>Infos:</div>
</div> <hr/>
<div className="col-sm-8"> <div className='sidebarinfo'><b>{this.state.likes}</b> Likes!</div>
<div className="videowrapper"> <div className='sidebarinfo'><b> {this.state.quality}p</b> Quality!</div>
<div className='myvideo'> <div className='sidebarinfo'><b>{this.state.length}</b> Minutes of length!</div>
{this.state.sources ? <PlyrComponent <hr/>
sources={this.state.sources} <div className='sidebartitle'>Tags:</div>
options={this.options}/> : <button className='tagbtn' onClick={() => this.fetchVideoData("all")}>All</button>
<div>not loaded yet</div>} <button className='tagbtn' onClick={() => this.fetchVideoData("fullhd")}>FullHd</button>
</div> <button className='tagbtn' onClick={() => this.fetchVideoData("lowquality")}>LowQuality</button>
</div> <button className='tagbtn' onClick={() => this.fetchVideoData("hd")}>HD</button>
</div> </SideBar>
<div className="col-sm-2">
<div className="closebutton" onClick={() => { <div className="videowrapper">
this.closebtn() {/* video component is added here */}
}}>Close {this.state.sources ? <PlyrComponent
</div> className='myvideo'
<div className="videorightbanner"></div> sources={this.state.sources}
</div> options={this.options}/> :
</div> <div>not loaded yet</div>}
<div className="row"> <div className='videoactions'>
<div className="col-sm-5"> <button className='btn btn-primary' onClick={() => this.likebtn()}>Like this Video!</button>
<button className='btn btn-info' id="tagbutton">Give this Video a Tag</button>
</div>
<div className="col-sm-2">
<button className='btn btn-primary' onClick={() => {
this.likebtn()
}}>Like it!
</button>
<button className='btn btn-info' id="tagbutton">Tag it!</button>
</div>
<div className="col-sm-5">
</div> </div>
</div> </div>
<button className="closebutton" onClick={() => this.closebtn()}>Close</button>
</div> </div>
); );
} }
@ -104,6 +93,7 @@ class Player extends React.Component {
], ],
poster: result.thumbnail poster: result.thumbnail
}, },
movie_name: result.movie_name,
likes: result.likes, likes: result.likes,
quality: result.quality, quality: result.quality,
length: result.length length: result.length
@ -131,8 +121,6 @@ class Player extends React.Component {
} }
closebtn() { closebtn() {
// todo go back to correct page here!
// have a catch to <Route>
this.props.viewbinding.hideVideo(); this.props.viewbinding.hideVideo();
} }
} }

53
src/RandomPage.js
View File

@ -1,6 +1,7 @@
import React from "react"; import React from "react";
import Preview from "./Preview"; import Preview from "./Preview";
import "./css/RandomPage.css" import "./css/RandomPage.css"
import SideBar from "./SideBar";
class RandomPage extends React.Component { class RandomPage extends React.Component {
constructor(props, context) { constructor(props, context) {
@ -16,31 +17,35 @@ class RandomPage extends React.Component {
} }
render() { render() {
return (<div> return (
<div><h1>Random Videos</h1></div> <div>
<div className='sideinfo'> <div className='pageheader'>
todo here. <span className='pageheadertitle'>Random Videos</span>
</div> <span className='pageheadersubtitle'>6pc</span>
<div className='maincontent'> <hr/>
{this.state.videos.map(elem => ( </div>
<Preview <SideBar>
key={elem.movie_id} <div className='sidebartitle'>Visible Tags:</div>
name={elem.movie_name} <button className='tagbtn' onClick={() => this.fetchVideoData("all")}>All</button>
movie_id={elem.movie_id} <button className='tagbtn' onClick={() => this.fetchVideoData("fullhd")}>FullHd</button>
viewbinding={this.props.viewbinding}/> <button className='tagbtn' onClick={() => this.fetchVideoData("lowquality")}>LowQuality</button>
))} <button className='tagbtn' onClick={() => this.fetchVideoData("hd")}>HD</button>
</div> </SideBar>
<div className='rightinfo'>
right
</div>
<div className='Shufflebutton'>
<button onClick={() => {
this.shuffleclick()
}} className='btn btn-success'>Shuffle
</button>
</div>
</div>); <div className='maincontent'>
{this.state.videos.map(elem => (
<Preview
key={elem.movie_id}
name={elem.movie_name}
movie_id={elem.movie_id}
viewbinding={this.props.viewbinding}/>
))}
<div className='Shufflebutton'>
<button onClick={() => this.shuffleclick()} className='btnshuffle'>Shuffle</button>
</div>
</div>
</div>
);
} }
shuffleclick() { shuffleclick() {

12
src/SideBar.js Normal file
View File

@ -0,0 +1,12 @@
import React from "react";
import "./css/SideBar.css"
class SideBar extends React.Component {
render() {
return (<div className='sideinfo'>
{this.props.children}
</div>);
}
}
export default SideBar;

13
src/css/App.css
View File

@ -1,11 +1,12 @@
.nav-item{ .nav-item {
cursor: pointer; cursor: pointer;
} }
.nav-link{
color: rgba(255,255,255,.5); .nav-link {
color: rgba(255, 255, 255, .5);
font-weight: bold; font-weight: bold;
} }
.nav-link:hover{ .nav-link:hover {
color: rgba(255,255,255,1); color: rgba(255, 255, 255, 1);
} }

18
src/css/DefaultPage.css Normal file
View File

@ -0,0 +1,18 @@
.pageheader {
margin-top: 20px;
margin-bottom: 20px;
padding-left: 22%;
padding-right: 12%;
}
.pageheadertitle {
font-size: 40pt;
font-weight: bold;
}
.pageheadersubtitle {
margin-left: 20px;
font-size: 23pt;
opacity: 0.6;
}

11
src/css/HomePage.css
View File

@ -1,14 +1,9 @@
.sideinfo{ .maincontent {
width: 20%;
float: left;
}
.maincontent{
float: left; float: left;
width: 70%; width: 70%;
} }
.rightinfo{ .rightinfo {
float: left; float: left;
width: 10%; width: 10%;
} }

37
src/css/Player.css
View File

@ -1,26 +1,14 @@
.closebutton { .closebutton {
color: white; color: white;
height: 35px; border: none;
width: 90px; border-radius: 10px;
margin-right: 80px; padding: 5px 15px 5px 15px;
float: right;
background-color: #FF0000; background-color: #FF0000;
cursor: pointer; margin-top: 25px;
margin-left: 25px;
} }
.myvideo { .likefield {
width: 100%;
float: left;
}
.videoleftbanner{
float: left;
width: 100%;
height: 100%;
background-color: #e5e5ff;
border-radius: 40px;
}
.likefield{
margin-top: 15px; margin-top: 15px;
margin-left: 15px; margin-left: 15px;
margin-right: 15px; margin-right: 15px;
@ -29,5 +17,16 @@
border-radius: 10px; border-radius: 10px;
text-align: center; text-align: center;
color: white; color: white;
}
.videowrapper {
margin-left: 20px;
display: block;
float: left;
width: 60%;
margin-top: 25px;
}
.videoactions{
margin-top: 15px;
} }

16
src/css/Preview.css
View File

@ -1,7 +1,8 @@
.previewtitle { .previewtitle {
height: 10%; height: 10%;
color: white; color: #3d3d3d;
text-align: center; text-align: center;
font-weight: bold;
} }
.previewpic { .previewpic {
@ -17,8 +18,10 @@
height: 300px; height: 300px;
width: 30%; width: 30%;
float: left; float: left;
margin: 1%; margin-left: 25px;
background-color: #7F7F7F; margin-top: 25px;
/*background-color: #7F7F7F;*/
background-color: #a8c3ff;
cursor: pointer; cursor: pointer;
opacity: 0.9; opacity: 0.9;
border: 10px; border: 10px;
@ -29,10 +32,3 @@
opacity: 1; opacity: 1;
transition: opacity 0.5s; transition: opacity 0.5s;
} }
/* todo check if neccessary*/
.previewcontainer {
margin-left: 10%;
width: 80%;
margin-right: 10%;
}

21
src/css/RandomPage.css
View File

@ -1,4 +1,21 @@
.Shufflebutton{ .Shufflebutton {
width: 100%; width: 100%;
align-content: center; align-content: center;
} }
.btnshuffle{
background-color: #39a945;
color: white;
margin-top: 20px;
margin-left: 45%;
border: none;
border-radius: 10px;
padding: 15px 25px 15px 25px;
font-weight: bold;
font-size: larger;
}
.btnshuffle:focus{
outline: none;
}

43
src/css/SideBar.css Normal file
View File

@ -0,0 +1,43 @@
.sideinfo {
width: 20%;
float: left;
padding: 20px;
margin-top: 25px;
margin-left: 15px;
background-color: #b4c7fe;
border-radius: 20px;
border: 2px #3574fe solid;
}
.tagbtn {
color: white;
margin: 10px;
background-color: #3574fe;
border: none;
border-radius: 10px;
padding: 5px 15px 5px 15px;
/*font-weight: bold;*/
display: block;
}
.tagbtn:focus {
background-color: #004eff;
outline: none;
}
.tagbtn:hover {
background-color: #004eff;
}
.sidebartitle {
font-weight: bold;
font-size: larger;
}
.sidebarinfo {
margin-top: 5px;
background-color: #8ca3fc;
border-radius: 5px;
padding: 2px 10px 2px 15px;
width: 60%;
}

8
src/index.js
View File

@ -5,10 +5,10 @@ import App from './App';
import * as serviceWorker from './serviceWorker'; import * as serviceWorker from './serviceWorker';
ReactDOM.render( ReactDOM.render(
<React.StrictMode> <React.StrictMode>
<App /> <App/>
</React.StrictMode>, </React.StrictMode>,
document.getElementById('root') document.getElementById('root')
); );
// If you want your app to work offline and load faster, you can change // If you want your app to work offline and load faster, you can change

206
src/serviceWorker.js
View File

@ -11,131 +11,131 @@
// opt-in, read https://bit.ly/CRA-PWA // opt-in, read https://bit.ly/CRA-PWA
const isLocalhost = Boolean( const isLocalhost = Boolean(
window.location.hostname === 'localhost' || window.location.hostname === 'localhost' ||
// [::1] is the IPv6 localhost address. // [::1] is the IPv6 localhost address.
window.location.hostname === '[::1]' || window.location.hostname === '[::1]' ||
// 127.0.0.0/8 are considered localhost for IPv4. // 127.0.0.0/8 are considered localhost for IPv4.
window.location.hostname.match( window.location.hostname.match(
/^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/ /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
) )
); );
export function register(config) { export function register(config) {
if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) { if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
// The URL constructor is available in all browsers that support SW. // The URL constructor is available in all browsers that support SW.
const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href); const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
if (publicUrl.origin !== window.location.origin) { if (publicUrl.origin !== window.location.origin) {
// Our service worker won't work if PUBLIC_URL is on a different origin // Our service worker won't work if PUBLIC_URL is on a different origin
// from what our page is served on. This might happen if a CDN is used to // from what our page is served on. This might happen if a CDN is used to
// serve assets; see https://github.com/facebook/create-react-app/issues/2374 // serve assets; see https://github.com/facebook/create-react-app/issues/2374
return; return;
} }
window.addEventListener('load', () => { window.addEventListener('load', () => {
const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`; const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
if (isLocalhost) { if (isLocalhost) {
// This is running on localhost. Let's check if a service worker still exists or not. // This is running on localhost. Let's check if a service worker still exists or not.
checkValidServiceWorker(swUrl, config); checkValidServiceWorker(swUrl, config);
// Add some additional logging to localhost, pointing developers to the // Add some additional logging to localhost, pointing developers to the
// service worker/PWA documentation. // service worker/PWA documentation.
navigator.serviceWorker.ready.then(() => { navigator.serviceWorker.ready.then(() => {
console.log( console.log(
'This web app is being served cache-first by a service ' + 'This web app is being served cache-first by a service ' +
'worker. To learn more, visit https://bit.ly/CRA-PWA' 'worker. To learn more, visit https://bit.ly/CRA-PWA'
); );
});
} else {
// Is not localhost. Just register service worker
registerValidSW(swUrl, config);
}
}); });
} else { }
// Is not localhost. Just register service worker
registerValidSW(swUrl, config);
}
});
}
} }
function registerValidSW(swUrl, config) { function registerValidSW(swUrl, config) {
navigator.serviceWorker navigator.serviceWorker
.register(swUrl) .register(swUrl)
.then(registration => { .then(registration => {
registration.onupdatefound = () => { registration.onupdatefound = () => {
const installingWorker = registration.installing; const installingWorker = registration.installing;
if (installingWorker == null) { if (installingWorker == null) {
return; return;
} }
installingWorker.onstatechange = () => { installingWorker.onstatechange = () => {
if (installingWorker.state === 'installed') { if (installingWorker.state === 'installed') {
if (navigator.serviceWorker.controller) { if (navigator.serviceWorker.controller) {
// At this point, the updated precached content has been fetched, // At this point, the updated precached content has been fetched,
// but the previous service worker will still serve the older // but the previous service worker will still serve the older
// content until all client tabs are closed. // content until all client tabs are closed.
console.log( console.log(
'New content is available and will be used when all ' + 'New content is available and will be used when all ' +
'tabs for this page are closed. See https://bit.ly/CRA-PWA.' 'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
); );
// Execute callback // Execute callback
if (config && config.onUpdate) { if (config && config.onUpdate) {
config.onUpdate(registration); config.onUpdate(registration);
} }
} else { } else {
// At this point, everything has been precached. // At this point, everything has been precached.
// It's the perfect time to display a // It's the perfect time to display a
// "Content is cached for offline use." message. // "Content is cached for offline use." message.
console.log('Content is cached for offline use.'); console.log('Content is cached for offline use.');
// Execute callback // Execute callback
if (config && config.onSuccess) { if (config && config.onSuccess) {
config.onSuccess(registration); config.onSuccess(registration);
} }
} }
} }
}; };
}; };
}) })
.catch(error => { .catch(error => {
console.error('Error during service worker registration:', error); console.error('Error during service worker registration:', error);
}); });
} }
function checkValidServiceWorker(swUrl, config) { function checkValidServiceWorker(swUrl, config) {
// Check if the service worker can be found. If it can't reload the page. // Check if the service worker can be found. If it can't reload the page.
fetch(swUrl, { fetch(swUrl, {
headers: { 'Service-Worker': 'script' }, headers: {'Service-Worker': 'script'},
})
.then(response => {
// Ensure service worker exists, and that we really are getting a JS file.
const contentType = response.headers.get('content-type');
if (
response.status === 404 ||
(contentType != null && contentType.indexOf('javascript') === -1)
) {
// No service worker found. Probably a different app. Reload the page.
navigator.serviceWorker.ready.then(registration => {
registration.unregister().then(() => {
window.location.reload();
});
});
} else {
// Service worker found. Proceed as normal.
registerValidSW(swUrl, config);
}
}) })
.catch(() => { .then(response => {
console.log( // Ensure service worker exists, and that we really are getting a JS file.
'No internet connection found. App is running in offline mode.' const contentType = response.headers.get('content-type');
); if (
}); response.status === 404 ||
(contentType != null && contentType.indexOf('javascript') === -1)
) {
// No service worker found. Probably a different app. Reload the page.
navigator.serviceWorker.ready.then(registration => {
registration.unregister().then(() => {
window.location.reload();
});
});
} else {
// Service worker found. Proceed as normal.
registerValidSW(swUrl, config);
}
})
.catch(() => {
console.log(
'No internet connection found. App is running in offline mode.'
);
});
} }
export function unregister() { export function unregister() {
if ('serviceWorker' in navigator) { if ('serviceWorker' in navigator) {
navigator.serviceWorker.ready navigator.serviceWorker.ready
.then(registration => { .then(registration => {
registration.unregister(); registration.unregister();
}) })
.catch(error => { .catch(error => {
console.error(error.message); console.error(error.message);
}); });
} }
} }