69 lines
1.7 KiB
JavaScript
69 lines
1.7 KiB
JavaScript
const dailyLimitRules = [
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{
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key: 'caffeine',
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label: 'Koffein',
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limit: 200,
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unit: 'mg',
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nutritionKey: 'caffeineMgPer100g',
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severity: 'critical',
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message: 'Mehr Koffein als der Tagesrichtwert in Shoppinguin. Auf mehrere Tage aufteilen.'
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},
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{
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key: 'sugar',
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label: 'Zucker',
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limit: 50,
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unit: 'g',
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nutritionKey: 'sugarPer100g',
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severity: 'warning',
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message: 'Mehr Zucker als der Tagesrichtwert in Shoppinguin. Auf mehrere Tage aufteilen.'
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},
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{
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key: 'salt',
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label: 'Salz',
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limit: 5,
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unit: 'g',
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nutritionKey: 'saltPer100g',
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severity: 'warning',
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message: 'Mehr Salz als der Tagesrichtwert in Shoppinguin. Auf mehrere Tage aufteilen.'
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}
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];
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export function calculateShoppingListWarnings(shoppingList) {
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return dailyLimitRules
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.map((rule) => {
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const total = totalNutrientAmount(shoppingList.items || [], rule);
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return {
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...rule,
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total,
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percentage: Math.round((total / rule.limit) * 100)
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};
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})
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.filter((warning) => warning.total > warning.limit);
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}
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function totalNutrientAmount(items, rule) {
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return items.reduce((sum, item) => {
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const per100g = item.nutrition?.[rule.nutritionKey];
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const quantityGrams = itemQuantityGrams(item);
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if (typeof per100g !== 'number' || typeof quantityGrams !== 'number') {
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return sum;
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}
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return sum + (per100g * quantityGrams * item.quantity) / 100;
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}, 0);
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}
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function itemQuantityGrams(item) {
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if (typeof item.packageQuantityGrams === 'number' && item.packageQuantityGrams > 0) {
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return item.packageQuantityGrams;
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}
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if (typeof item.servingQuantityGrams === 'number' && item.servingQuantityGrams > 0) {
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return item.servingQuantityGrams;
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}
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return 100;
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}
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