Files
kantinen-wrapper/src/utils.js

249 lines
10 KiB
JavaScript

import { langMode } from './state.js';
export function getISOWeek(date) {
const d = new Date(Date.UTC(date.getFullYear(), date.getMonth(), date.getDate()));
const dayNum = d.getUTCDay() || 7;
d.setUTCDate(d.getUTCDate() + 4 - dayNum);
const yearStart = new Date(Date.UTC(d.getUTCFullYear(), 0, 1));
return Math.ceil(((d - yearStart) / 86400000 + 1) / 7);
}
export function getWeekYear(d) {
const date = new Date(d.getTime());
date.setDate(date.getDate() + 3 - (date.getDay() + 6) % 7);
return date.getFullYear();
}
/**
* Translates an English day name to the UI language.
* Returns German by default; returns English when langMode is 'en'.
* @param {string} englishDay - Day name in English (e.g. 'Monday')
* @returns {string} Translated day name
*/
export function translateDay(englishDay) {
if (langMode === 'en') return englishDay;
const map = { Monday: 'Montag', Tuesday: 'Dienstag', Wednesday: 'Mittwoch', Thursday: 'Donnerstag', Friday: 'Freitag', Saturday: 'Samstag', Sunday: 'Sonntag' };
return map[englishDay] || englishDay;
}
export function escapeHtml(text) {
const div = document.createElement('div');
div.textContent = text || '';
return div.innerHTML;
}
export function isNewer(remote, local) {
if (!remote || !local) return false;
const r = remote.replace(/^v/, '').split('.').map(Number);
const l = local.replace(/^v/, '').split('.').map(Number);
for (let i = 0; i < Math.max(r.length, l.length); i++) {
if ((r[i] || 0) > (l[i] || 0)) return true;
if ((r[i] || 0) < (l[i] || 0)) return false;
}
return false;
}
export function getRelativeTime(date) {
const diffMs = Date.now() - date.getTime();
const diffMin = Math.floor(diffMs / 60000);
if (diffMin < 1) return 'gerade eben';
if (diffMin === 1) return 'vor 1 min.';
if (diffMin < 60) return `vor ${diffMin} min.`;
const diffH = Math.floor(diffMin / 60);
if (diffH === 1) return 'vor 1 Std.';
return `vor ${diffH} Std.`;
}
// === Language Filter (FR-100) ===
const DE_STEMS = [
'apfel', 'achtung', 'aubergine', 'auflauf', 'beere', 'blumenkohl', 'bohne', 'braten', 'brokkoli', 'brot', 'brust',
'brötchen', 'butter', 'chili', 'dessert', 'dip', 'eier', 'eintopf', 'eis', 'erbse', 'erdbeer',
'essig', 'filet', 'fisch', 'fisole', 'fleckerl', 'fleisch', 'flügel', 'frucht', 'für', 'gebraten',
'gemüse', 'gewürz', 'gratin', 'grieß', 'gulasch', 'gurke', 'himbeer', 'honig', 'huhn', 'hähnchen',
'jambalaya', 'joghurt', 'karotte', 'kartoffel', 'keule', 'kirsch', 'knacker', 'knoblauch', 'knödel', 'kompott',
'kraut', 'kräuter', 'kuchen', 'käse', 'kürbis', 'lauch', 'mandel', 'milch', 'mild', 'mit',
'mohn', 'most', 'möhre', 'natur', 'nockerl', 'nudel', 'nuss', 'nuß', 'obst', 'oder',
'olive', 'paprika', 'pfanne', 'pfannkuchen', 'pfeffer', 'pikant', 'pilz', 'plunder', 'püree', 'ragout',
'rahm', 'reis', 'rind', 'sahne', 'salami', 'salat', 'salz', 'sauer', 'scharf', 'schinken',
'schnitte', 'schnitzel', 'schoko', 'schupf', 'schwein', 'sellerie', 'senf', 'sosse', 'soße', 'spargel',
'spätzle', 'speck', 'spieß', 'spinat', 'steak', 'suppe', 'süß', 'tofu', 'tomate', 'topfen',
'torte', 'trüffel', 'und', 'vanille', 'vogerl', 'vom', 'wien', 'wurst', 'zucchini', 'zum',
'zur', 'zwiebel', 'öl'
];
const EN_STEMS = [
'almond', 'and', 'apple', 'asparagus', 'bacon', 'baked', 'ball', 'bean', 'beef', 'berry',
'bread', 'breast', 'broccoli', 'bun', 'butter', 'cabbage', 'cake', 'caper', 'carrot', 'casserole',
'cauliflower', 'celery', 'cheese', 'cherry', 'chicken', 'chili', 'choco', 'chocolate', 'cider', 'cilantro',
'coffee', 'compote', 'cream', 'cucumber', 'curd', 'danish', 'dessert', 'dip', 'dumpling', 'egg',
'eggplant', 'filet', 'fish', 'for', 'fried', 'from', 'fruit', 'garlic', 'goulash', 'gratin',
'ham', 'herb', 'honey', 'hot', 'ice', 'jambalaya', 'leek', 'leg', 'mash', 'meat',
'mexican', 'mild', 'milk', 'mint', 'mushroom', 'mustard', 'noodle', 'nut', 'oat', 'oil',
'olive', 'onion', 'or', 'oven', 'pan', 'pancake', 'pea', 'pepper', 'plain', 'plate',
'poppy', 'pork', 'potato', 'pumpkin', 'radish', 'ragout', 'raspberry', 'rice', 'roast', 'roll',
'salad', 'salami', 'salt', 'sauce', 'sausage', 'shrimp', 'skewer', 'slice', 'soup', 'sour',
'spice', 'spicy', 'spinach', 'steak', 'stew', 'strawberr', 'strawberry', 'strudel', 'sweet', 'tart',
'thyme', 'to', 'tofu', 'tomat', 'tomato', 'truffle', 'trukey', 'turkey', 'vanilla', 'vegan',
'vegetable', 'vinegar', 'wedge', 'wing', 'with', 'wok', 'yogurt', 'zucchini'
];
export function splitLanguage(text) {
if (!text) return { de: '', en: '', raw: '' };
const raw = text;
let formattedRaw = text.replace(/(?:\(|(?:\/|\s|^))([A-Z,]+)\)\s*(?=\S)(?!\s*\/)/g, '($1)\n• ');
if (!formattedRaw.startsWith('• ')) {
formattedRaw = '• ' + formattedRaw;
}
function scoreBlock(wordArray) {
let de = 0, en = 0;
wordArray.forEach(word => {
const w = word.toLowerCase().replace(/[^a-zäöüß]/g, '');
if (w) {
let bestDeMatch = 0;
let bestEnMatch = 0;
if (DE_STEMS.includes(w)) bestDeMatch = w.length;
else DE_STEMS.forEach(s => { if (w.includes(s) && s.length > bestDeMatch) bestDeMatch = s.length; });
if (EN_STEMS.includes(w)) bestEnMatch = w.length;
else EN_STEMS.forEach(s => { if (w.includes(s) && s.length > bestEnMatch) bestEnMatch = s.length; });
if (bestDeMatch > 0) de += (bestDeMatch / w.length);
if (bestEnMatch > 0) en += (bestEnMatch / w.length);
if (/^[A-ZÄÖÜ]/.test(word)) {
de += 0.5;
}
}
});
return { de, en };
}
function heuristicSplitEnDe(fragment) {
const words = fragment.trim().split(/\s+/);
if (words.length < 2) return { enPart: fragment, nextDe: '' };
let bestK = -1;
let maxScore = -9999;
for (let k = 1; k < words.length; k++) {
const left = words.slice(0, k);
const right = words.slice(k);
const leftScore = scoreBlock(left);
const rightScore = scoreBlock(right);
const rightFirstWord = right[0];
let capitalBonus = 0;
if (/^[A-ZÄÖÜ]/.test(rightFirstWord)) {
capitalBonus = 1.0;
}
const score = (leftScore.en - leftScore.de) + (rightScore.de - rightScore.en) + capitalBonus;
const leftLooksEnglish = (leftScore.en > leftScore.de) || (leftScore.en > 0);
const rightLooksGerman = (rightScore.de + capitalBonus) > rightScore.en;
if (leftLooksEnglish && rightLooksGerman && score > maxScore) {
maxScore = score;
bestK = k;
}
}
if (bestK !== -1) {
return {
enPart: words.slice(0, bestK).join(' '),
nextDe: words.slice(bestK).join(' ')
};
}
return { enPart: fragment, nextDe: '' };
}
const allergenRegex = /(.*?)(?:\(|(?:\/|\s|^))([A-Z,]+)\)\s*(?!\s*[/])/g;
let match;
const rawCourses = [];
let lastScanIndex = 0;
while ((match = allergenRegex.exec(text)) !== null) {
if (match.index > lastScanIndex) {
rawCourses.push(text.substring(lastScanIndex, match.index).trim());
}
rawCourses.push(match[0].trim());
lastScanIndex = allergenRegex.lastIndex;
}
if (lastScanIndex < text.length) {
rawCourses.push(text.substring(lastScanIndex).trim());
}
if (rawCourses.length === 0 && text.trim() !== '') {
rawCourses.push(text.trim());
}
const deParts = [];
const enParts = [];
for (let course of rawCourses) {
let courseMatch = course.match(/(.*?)(?:\(|(?:\/|\s|^))([A-Z,]+)\)\s*$/);
let courseText = course;
let allergenTxt = "";
let allergenCode = "";
if (courseMatch) {
courseText = courseMatch[1].trim();
allergenCode = courseMatch[2];
allergenTxt = ` (${allergenCode})`;
}
const slashParts = courseText.split(/\s*\/\s*(?![A-Z,]+$)/);
if (slashParts.length >= 2) {
const deCandidate = slashParts[0].trim();
let enCandidate = slashParts.slice(1).join(' / ').trim();
const nestedSplit = heuristicSplitEnDe(enCandidate);
if (nestedSplit.nextDe) {
deParts.push(deCandidate + allergenTxt);
enParts.push(nestedSplit.enPart + allergenTxt);
const nestedDe = nestedSplit.nextDe + allergenTxt;
deParts.push(nestedDe);
enParts.push(nestedDe);
} else {
const enFinal = enCandidate + allergenTxt;
const deFinal = deCandidate.includes(allergenTxt.trim()) ? deCandidate : (deCandidate + allergenTxt);
deParts.push(deFinal);
enParts.push(enFinal);
}
} else {
const heuristicSplit = heuristicSplitEnDe(courseText);
if (heuristicSplit.nextDe) {
enParts.push(heuristicSplit.enPart + allergenTxt);
deParts.push(heuristicSplit.nextDe + allergenTxt);
} else {
deParts.push(courseText + allergenTxt);
enParts.push(courseText + allergenTxt);
}
}
}
let deJoined = deParts.join('\n• ');
if (deParts.length > 0 && !deJoined.startsWith('• ')) deJoined = '• ' + deJoined;
let enJoined = enParts.join('\n• ');
if (enParts.length > 0 && !enJoined.startsWith('• ')) enJoined = '• ' + enJoined;
return {
de: deJoined,
en: enJoined,
raw: formattedRaw
};
}
export function getLocalizedText(text) {
if (langMode === 'all') return text || '';
const split = splitLanguage(text);
if (langMode === 'en') return split.en || split.raw;
return split.de || split.raw;
}