90 lines
2.3 KiB
TypeScript
90 lines
2.3 KiB
TypeScript
import * as express from "express";
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const router = express.Router();
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router.use((req, res, next) => {
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if (!req.cookies || !req.cookies.uid) {
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res.status(404);
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res.send();
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} else {
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next();
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}
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});
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router.get("/", (req, res, next) => {
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const user = (req.app as any).db.get("users").find({id: req.cookies.uid}).value();
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const data = [{
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backgroundColor: "rgba(200, 200, 200, 1)",
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data: [],
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label: "Noch nicht probiert",
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}, {
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backgroundColor: "#8b0000",
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data: [],
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label: "1",
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}, {
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backgroundColor: "#b24502",
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data: [],
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label: "2",
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}, {
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backgroundColor: "#d87501",
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data: [],
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label: "3",
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}, {
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backgroundColor: "#ffa500",
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data: [],
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label: "4",
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}, {
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backgroundColor: "#b59200",
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data: [],
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label: "5",
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}, {
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backgroundColor: "#6b7d00",
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data: [],
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label: "6",
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}, {
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backgroundColor: "#006400",
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data: [],
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label: "7",
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}];
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const recommends = [];
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(req.app as any).cocktails.forEach((value) => {
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let found = false;
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const triedCocktails = [];
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for (const cocktail of user.cocktails) {
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if (cocktail.cocktail === value[3]) {
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data[cocktail.level].data.push({x: value[0], y: value[1], r: 4, val: value});
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found = true;
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break;
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} else {
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triedCocktails.push(cocktail);
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}
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}
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if (!found) {
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let dist = 0;
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let distsum = 0;
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for (const tried of triedCocktails) {
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const idx = (req.app as any).cocktailList.indexOf(tried.cocktail);
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if (idx > -1) {
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const c = (req.app as any).cocktails[idx];
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const d = Math.abs(c[0] - value[0]) + Math.abs(c[1] - value[1]);
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if (d > 0.001) {
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dist += (tried.level) / d;
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distsum += 1 / d;
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} else {
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dist = tried.level;
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distsum = 1;
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break;
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}
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}
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}
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recommends.push([dist / distsum, value]);
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data[0].data.push({x: value[0], y: value[1], r: 3, val: value});
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}
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});
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recommends.sort((a, b) => {
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return a[0] < b[0] ? 1 : (a[0] === b[0] ? 0 : -1);
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});
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res.render("recommends", {data, title: "Ähnliche Cocktails", user, cocktails: (req.app as any).cocktails, cocktailList: (req.app as any).cocktailList, recommends});
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});
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export = router;
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