added cookies

templates/index.html

@@ -9,6 +9,9 @@
 
         // JavaScript-Funktion, um die Produkte beim Laden der Seite zu holen
         document.addEventListener('DOMContentLoaded', function() {
+            cleanUpLocalStorage();
+            restoreTableFromLocalStorage();
+            updateTotalNutrition();
             fetch('/get_products')
                 .then(response => response.json())
                 .then(data => {
@@ -30,6 +33,41 @@
             });
         });
 
+        function restoreTableFromLocalStorage() {
+            let entries = JSON.parse(localStorage.getItem('nutritionEntries')) || [];
+            let oneHourAgo = new Date().getTime() - (60 * 60 * 1000);
+
+            entries = entries.filter(entry => entry.timestamp > oneHourAgo); // Entfernen alter Einträge
+            entries.forEach(entry => {
+                addToTable(entry.food, entry.weight, entry.nutritionData);
+            });
+
+            localStorage.setItem('nutritionEntries', JSON.stringify(entries)); // Aktualisiere localStorage
+        }
+
+
+        function addToTable(food, weight, nutritionData) {
+            const table = document.getElementById('nutrition-table');
+            const row = table.insertRow();
+
+            row.insertCell(0).innerHTML = food;
+            row.insertCell(1).innerHTML = weight;
+            row.insertCell(2).innerHTML = nutritionData.kcal;
+            row.insertCell(3).innerHTML = nutritionData.ew;
+            row.insertCell(4).innerHTML = nutritionData.fett;
+            row.insertCell(5).innerHTML = nutritionData.kh;
+            row.insertCell(6).innerHTML = nutritionData.bst;
+            row.insertCell(7).innerHTML = nutritionData.ca;
+        }
+
+
+        function cleanUpLocalStorage() {
+            let entries = JSON.parse(localStorage.getItem('nutritionEntries')) || [];
+            let oneHourAgo = new Date().getTime() - (60 * 60 * 1000);
+            entries = entries.filter(entry => entry.timestamp > oneHourAgo);
+            localStorage.setItem('nutritionEntries', JSON.stringify(entries));
+        }
+
         
         function updateRemoveButtonState() {
             const selectedRows = document.querySelectorAll('#nutrition-table .selected').length;
@@ -40,6 +78,15 @@
             const table = document.getElementById('nutrition-table');
             Array.from(table.rows).forEach(row => {
                 if (row.classList.contains('selected')) {
+                    let rowData = {
+                        food: row.cells[0].innerText,
+                        weight: row.cells[1].innerText,
+                        // Weitere Daten bei Bedarf
+                    };
+
+            // Entfernen des Eintrags aus dem lokalen Speicher
+                    removeEntryFromLocalStorage(rowData);
+
                     table.deleteRow(row.rowIndex);
                 }
             });
@@ -47,6 +94,12 @@
             updateTotalNutrition();
         }
 
+        function removeEntryFromLocalStorage(rowData) {
+            let entries = JSON.parse(localStorage.getItem('nutritionEntries')) || [];
+            entries = entries.filter(entry => entry.food !== rowData.food || entry.weight !== rowData.weight);
+            localStorage.setItem('nutritionEntries', JSON.stringify(entries));
+        }
+
         function updateRemoveButtonState() {
             const selectedRows = document.querySelectorAll('#nutrition-table .selected').length;
             document.getElementById('remove-button').disabled = selectedRows === 0;
@@ -86,10 +139,16 @@
                     document.getElementById('submit-button').disabled = true; // Deaktivieren des Hinzufügen-Buttons
 
                     updateTotalNutrition();
+                    saveToLocalStorage(food, weight, data);
                 })
                 .catch(error => console.error('Fehler:', error));
+        }
 
-}
+    function saveToLocalStorage(food, weight, nutritionData) {
+        let entries = JSON.parse(localStorage.getItem('nutritionEntries')) || [];
+        entries.push({ food, weight, nutritionData, timestamp: new Date().getTime() });
+        localStorage.setItem('nutritionEntries', JSON.stringify(entries));
+    }
 
 function updateTotalNutrition() {
     let totalWeight = 0, totalKcal = 0, totalEw = 0, totalFett = 0, totalKh = 0, totalBst = 0, totalCa = 0;