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server.js
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server.js
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const express = require('express');
const app = express();
const bodyParser = require('body-parser');
app.use(bodyParser.json())
app.use(express.static('static'));
const io = require('socket.io-client');
// Define socket and state in the global scope
let socket;
let state;
let temporary = [];
let token;
const url = 'http://giv-sitcomdev.uni-muenster.de:5000';
const constScenario = "1484"
app.get("/", (req, res) => {
res.set({
"Allow-access-Allow-Origin": '*'
});
return res.redirect('index.html');
});
app.get('/connect', (req, res) => {
socket = io.connect(url);
socket.on('connect', function () {
console.log('connected');
// Listen for the '/get/state' event when the socket is connected
socket.on('/get/state', function (currentState) {
state = currentState;
console.log("state updated!");
//console.log(currentState);
});
});
res.send('Connected successfully');
});
app.get('/getstate', (req, res) => {
socket.emit('/get/state');
res.send('Requesting state data... ');
});
app.post('/toggleOverlay', (req, res) => {
//get ID of the overlay that will be toggeled
const ID = req.body.overlay;
let data = {
"overlay_id": ID,
"display": !state.overlay[ID].display,
"type": state.overlay[ID].category
}
console.log(data);
socket.emit('/toggle/overlay', data);
res.json({ message: 'Overlay toggled successfully' });
});
app.get('/randomize', (req, res) => {
let scenarioID = constScenario;
let scenario_name, location, video, videooverlays, scenariooverlays, scenarionames, videonames, overlaynames, overlays;
fetch(`${url}/api/scenarios/${scenarioID}`)
.then(response => response.json())
.then(body => {
scenario_name = body.name;
console.log("scenario: " + scenario_name);
return fetch(`${url}/api/scenarios/${scenarioID}/locations/`);
})
.then(response => response.json())
.then(body => {
location = body[Math.floor(Math.random() * body.length)];
console.log("location " + location.name);
return fetch(`${url}/api/locations/${location.location_id}/videos/`);
})
.then(response => response.json())
.then(body => {
//add video id here
video = body.find(vid => vid.video_id === 132);
console.log("video: ", video.video_id)
return fetch(`${url}/api/videos/${video.video_id}/overlays/`);
})
.then(response => response.json())
.then(body => {
videooverlays = body;
return fetch(`${url}/api/scenarios/${scenarioID}/overlays/`)
})
.then(response => response.json())
.then(body => {
scenariooverlays = body;
scenarionames = scenariooverlays.map(item => item.overlay_id);
videonames = videooverlays.map(item => item.overlay_id);
overlaynames = scenarionames.filter(name => videonames.includes(name));
//remove duplicates
overlaynames = [...new Set(overlaynames)];
console.log(overlaynames)
//empty the array
overlays = [];
//fin the overlays with common names and get all the info about them
for (let i = 0; i < overlaynames.length; i++) {
for (let j = 0; j < scenariooverlays.length; j++) {
if (scenariooverlays[j].overlay_id == overlaynames[i]) {
//needed?
scenariooverlays[j].display = "true";
overlays.push(scenariooverlays[j]);
break;
}
}
}
socket.emit('/set/scenario', { "scenario_id": scenarioID, "scenario_name": scenario_name });
socket.emit('/set/location', { "location_id": location.location_id, "location_type": location.location_type, "location_name": location.name });
socket.emit('/set/video', { "video_id": video.video_id, "video_name": video.name, "overlays": overlays });
//send this to the client and make him create buttons
res.send(overlaynames);
})
.catch(error => {
console.error('Fetch error:', error);
res.status(500).send('An error occurred');
});
});
app.post('/demo', async (req, res) => {
if (temporary.length) {
deleteOverlays();
}
let loc_id, loc_name;
privacy = req.body.privacy;
const video = overlaydata.videos.find(video => video.title === req.body.video);
if (req.body.video == "Frauenstraße") {
loc_id = 1485;
loc_name = "Frauenstraße";
} else {
loc_id = 1733;
loc_name = "Hauptbahnhof";
}
settings = video.privacySettings[privacy];
//loop over overlays
for (const property in settings) {
if (settings.hasOwnProperty(property)) {
let embeddingdata = settings[property];
var myHeaders = new Headers();
myHeaders.append("Content-Type", "application/json");
myHeaders.append("Authorization", `bearer ${token}`);
//embedd overlay into video
var raw = embeddingdata
var requestOptions = {
method: 'POST',
headers: myHeaders,
body: JSON.stringify(raw),
redirect: 'follow'
};
await fetch(`${url}/api/relationship/embedded_in/`, requestOptions)
.then(response => response.json())
.then(result => {
console.log("embedded: ", result.relationship_id)
temporary.push(result.relationship_id)
})
.catch(error => console.log('error', error));
}
}
socket.emit('/set/scenario', { "scenario_id": 1484, "scenario_name": "simport demo" });
socket.emit('/set/location', { "location_id": loc_id, "location_type": "outdoor", "location_name": loc_name });
})
app.get('/deleteOverlays', (req, res) => {
deleteOverlays();
});
function deleteOverlays() {
console.log("delete: ", temporary);
var myHeaders = new Headers();
myHeaders.append("Authorization", `bearer ${token}`);
var requestOptions = {
method: 'DELETE',
headers: myHeaders,
redirect: 'follow'
};
for (const id in temporary) {
fetch(`${url}/api/relationships/${temporary[id]}`, requestOptions)
.then(response => response.text())
.then(result => console.log(result))
.catch(error => console.log('error', error));
}
temporary = [];
}
async function login() {
//login and get token
await fetch(`${url}/api/login`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({
username: 'admin',
password: 'pass',
}),
redirect: 'follow'
})
.then(response => response.json())
.then(result => {
console.log("logged in!")
token = result.token
})
.catch(error => console.log('error', error));
socket = io.connect(url);
socket.on('connect', function () {
console.log('connected');
});
}
login();
const overlaydata = {
"videos": [
{
"title": "Frauenstraße",
"privacySettings": {
"low": {
1: {
"overlay_id": "1481",
"url": "/images/blue-bubble.png",
"video_id": "455",
"description": "",
"w": 3.8745,
"h": 2,
"d": 0,
"x": 8.0247,
"y": -0.7917,
"z": 0,
"rx": 0,
"ry": 0,
"rz": 0,
"display": true
},
2: {
"overlay_id": "1478",
"url": "/images/blue-dot.png",
"video_id": "455",
"description": "",
"w": 2.0537,
"h": 1.2487,
"d": 0,
"x": 3.3722,
"y": -1.9564,
"z": 1.247,
"rx": 0.0808,
"ry": -0.098,
"rz": -0.165,
"display": true
},
3: {
"overlay_id": "1482",
"url": "/images/green-bubble.png",
"video_id": "455",
"description": "",
"w": 5.6374,
"h": 2.0476,
"d": 0,
"x": 15.5413,
"y": -1.1156,
"z": 0,
"rx": 0,
"ry": 0,
"rz": 0,
"display": true
},
4: {
"overlay_id": "1479",
"url": "/images/green-dot.png",
"video_id": "455",
"description": "asd",
"w": 0.5,
"h": 0.5,
"d": 0,
"x": 18.8353,
"y": -3.2028,
"z": 0,
"rx": 0,
"ry": -0.4977993185953187,
"rz": -0.052400020132625756,
"display": true
},
5: {
"overlay_id": "1479",
"url": "/images/green-dot.png",
"video_id": "455",
"description": "asd",
"w": 0.5323,
"h": 0.6638,
"d": 0,
"x": 15.9932,
"y": -2.9868,
"z": 0,
"rx": 0.1048,
"ry": -0.4248,
"rz": -3.121,
"display": true
},
6: {
"overlay_id": "1479",
"url": "/images/green-dot.png",
"video_id": "455",
"description": "asd",
"w": 0.4264,
"h": 0.3163,
"d": 0,
"x": 8.0992,
"y": -1.7564,
"z": 1.9535,
"rx": 0.367,
"ry": -0.5379,
"rz": -1.3277,
"display": true
},
7: {
"overlay_id": "1479",
"url": "/images/green-dot.png",
"video_id": "455",
"description": "",
"w": 0.7853,
"h": 0.7401,
"d": 0,
"x": 9.6355,
"y": -2.6314,
"z": 0.3733,
"rx": -2.768,
"ry": 0.2478,
"rz": 0.167,
"display": true
},
8: {
"overlay_id": "1479",
"url": "/images/green-dot.png",
"video_id": "455",
"description": "",
"w": 1.0793,
"h": 0.6409,
"d": 0,
"x": 7.485,
"y": -2.9509,
"z": 0,
"rx": 3.1269,
"ry": 0.313,
"rz": 2.9182,
"display": true
},
9: {
"overlay_id": "1483",
"url": "/images/orange-bubble.png",
"video_id": "455",
"description": "",
"w": 4.9071,
"h": 3.0185,
"d": 0,
"x": -0.9368,
"y": 1.4754,
"z": 0,
"rx": 0,
"ry": 0,
"rz": 0,
"display": true
},
10: {
"overlay_id": "1480",
"url": "/images/orange-dot.png",
"video_id": "455",
"description": "",
"w": 1.028,
"h": 0.8099,
"d": 0,
"x": 2.2648,
"y": -1.7273,
"z": -0.1189,
"rx": -1.2904,
"ry": 0,
"rz": 0,
"display": true
},
11: {
"overlay_id": "1480",
"url": "/images/orange-dot.png",
"video_id": "455",
"description": "",
"w": 0.7917,
"h": 0.8907,
"d": 0,
"x": 0.9716,
"y": -1.0796,
"z": 0,
"rx": -1.3511,
"ry": 0,
"rz": 0,
"display": true
},
12: {
"overlay_id": "1480",
"url": "/images/orange-dot.png",
"video_id": "455",
"description": "",
"w": 0.4475,
"h": 0.3799,
"d": 0,
"x": 1.2235,
"y": -0.5442,
"z": 0,
"rx": -1.0401,
"ry": -0.2952,
"rz": -0.4603,
"display": true
},
13: {
"overlay_id": "1480",
"url": "/images/orange-dot.png",
"video_id": "455",
"description": "",
"w": 0.4372,
"h": 0.2202,
"d": 0,
"x": 1.2738,
"y": -0.1744,
"z": 0.659,
"rx": -1.1867,
"ry": -0.4718,
"rz": -0.8439,
"display": true
},
14: {
"overlay_id": "1480",
"url": "/images/orange-dot.png",
"video_id": "455",
"description": "",
"w": 0.6488,
"h": 0.328,
"d": 0,
"x": 1.6981,
"y": -0.0426,
"z": 0.7285,
"rx": 1.9087,
"ry": -0.0756,
"rz": -0.8945,
"display": true
}
},
"medium": {
1: {
"overlay_id": "1741",
"url": "/images/blue-bubble-medium.png",
"video_id": "455",
"description": "asdf",
"w": 5.2056,
"h": 1.6222,
"d": 0,
"x": -16.7594,
"y": 1.1599,
"z": 0,
"rx": 0,
"ry": 0,
"rz": 0,
"display": true
},
2: {
"overlay_id": "1742",
"url": "/images/green-bubble-medium.png",
"video_id": "455",
"description": "asdf",
"w": 5.1642,
"h": 1.4422,
"d": 0,
"x": -16.7644,
"y": -0.477,
"z": 0,
"rx": 0,
"ry": 0,
"rz": 0,
"display": true
},
3: {
"overlay_id": "1743",
"url": "/images/orange-bubble-medium.png",
"video_id": "455",
"description": "sdfg",
"w": 5.0827,
"h": 1.7456,
"d": 0,
"x": -16.7934,
"y": 2.9193,
"z": 0,
"rx": 0,
"ry": 0,
"rz": 0,
"display": true
}
},
"high": {
1: {
"overlay_id": "1736",
"url": "/images/blue-bubble-high.png",
"video_id": "455",
"description": "asdf",
"w": 5.2022,
"h": 1.6628,
"d": 0,
"x": -16.7743,
"y": 1.1648,
"z": 0,
"rx": 0,
"ry": 0,
"rz": 0,
"display": true
},
2: {
"overlay_id": "1738",
"url": "/images/green-bubble-high.png",
"video_id": "455",
"description": "asdf",
"w": 5.3233,
"h": 1.6172,
"d": 0,
"x": -16.8999,
"y": -0.4982,
"z": -0.031,
"rx": 0,
"ry": 0,
"rz": 0,
"display": true
},
3: {
"overlay_id": "1737",
"url": "/images/orange-bubble-high.png",
"video_id": "455",
"description": "asdf",
"w": 5.1369,
"h": 1.4267,
"d": 0,
"x": -16.7436,
"y": 2.7253,
"z": 0,
"rx": 0,
"ry": 0,
"rz": 0,
"display": true
}
}
}
},
{
"title": "Hauptbahnhof",
"privacySettings": {
"low": {
1: {
"overlay_id": "1478",
"url": "/images/blue-dot.png",
"video_id": "248",
"description": "",
"w": 0.9187,
"h": 0.8696,
"d": 0,
"x": 0.6245,
"y": -1.3137,
"z": 0.8364,
"rx": -1.0754,
"ry": 0,
"rz": 0,
"display": true
},
2: {
"overlay_id": "1479",
"url": "/images/green-dot.png",
"video_id": "248",
"description": "",
"w": 0.9314,
"h": 0.8595,
"d": 0,
"x": -0.3581,
"y": -1.7571,
"z": 0.3051,
"rx": -1.1546,
"ry": 0,
"rz": 0,
"display": true
},
3: {
"overlay_id": "1479",
"url": "/images/green-dot.png",
"video_id": "248",
"description": "",
"w": 0.869,
"h": 0.9291,
"d": 0,
"x": -1.1876,
"y": -2.2673,
"z": 0.3974,
"rx": 1.7159,
"ry": -0.0575,
"rz": -3.1416,
"display": true
},
4: {
"overlay_id": "1479",
"url": "/images/green-dot.png",
"video_id": "248",
"description": "",
"w": 1.1892,
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},
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},
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},
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},
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}, 9: {
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},
10: {
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},
11: {
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"url": "/images/orange-bubble2.png",
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}
},
"medium": {
1: {
"overlay_id": "1741",
"url": "/images/blue-bubble-medium.png",
"video_id": "248",
"description": "asdf",
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},
2: {
"overlay_id": "1742",
"url": "/images/green-bubble-medium.png",
"video_id": "248",
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},
3: {
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"url": "/images/orange-bubble-medium2.png",
"video_id": "248",
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}
},
"high": {
1: {
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"url": "/images/blue-bubble-high.png",
"video_id": "248",
"description": "asdf",
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},
2: {
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},
3: {
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}
}
}
}
]
}
const PORT = 3000;
app.listen(PORT, () => {
console.log(`Server listening on port ${PORT}`);
});