feat: updates during the day without choosing edit date

js/ui.js

@@ -84,8 +84,9 @@ const UI = (() => {
      * Populate the meal form fields based on data for the given date.
      * @param {string} dateString - The date (YYYY-MM-DD) to load data for.
      */
-    const populateMealFormForDate = (dateString) => {
+    const populateMealFormForDate = (dateStringFromInput) => {
-        const mealData = DataManager.getMealByDate(dateString);
+        const isoDateString = Utils.uiDateToISO(dateStringFromInput);
+        const mealData = DataManager.getMealByDate(isoDateString);
         document.getElementById('breakfast').value = mealData?.breakfast || '';
         document.getElementById('lunch').value = mealData?.lunch || '';
         document.getElementById('dinner').value = mealData?.dinner || '';
@@ -140,7 +141,7 @@ const UI = (() => {
             e.preventDefault();
             
             const mealEntry = {
-                date: document.getElementById('meal-date').value,
+                date: Utils.uiDateToISO(document.getElementById('meal-date').value),
                 breakfast: document.getElementById('breakfast').value,
                 lunch: document.getElementById('lunch').value,
                 dinner: document.getElementById('dinner').value,

js/utils.js

@@ -175,6 +175,33 @@ const Utils = (() => {
     };
 
     // Return public API
+    /**
+     * Convert a date string from UI format (DD/MM/YYYY) or existing ISO format (YYYY-MM-DD) to ISO format (YYYY-MM-DD).
+     * @param {string} dateStr - The date string to convert.
+     * @returns {string} - The date string in YYYY-MM-DD format, or original if conversion fails.
+     */
+    const uiDateToISO = (dateStr) => {
+        if (!dateStr) return '';
+
+        // Check if already YYYY-MM-DD
+        if (/^\d{4}-\d{2}-\d{2}$/.test(dateStr)) {
+            // Potentially validate if it's a real date, but for now, assume format implies intent
+            return dateStr;
+        }
+
+        // Try to parse as DD/MM/YYYY
+        const parts = dateStr.match(/^(\d{1,2})\/(\d{1,2})\/(\d{4})$/);
+        if (parts) {
+            const day = String(parts[1]).padStart(2, '0');
+            const month = String(parts[2]).padStart(2, '0');
+            const year = parts[3];
+            return `${year}-${month}-${day}`;
+        }
+
+        console.warn(`uiDateToISO: Unrecognized date format "${dateStr}". Returning as is.`);
+        return dateStr; // Fallback: return original if not recognized
+    };
+
     return {
         formatDate,
         getTodayDate,
@@ -183,6 +210,7 @@ const Utils = (() => {
         validateWeightEntry,
         calculateWeightStats,
         copyToClipboard,
-        sanitizeHTML
+        sanitizeHTML,
+        uiDateToISO // Export the new function
     };
 })();