feat: add entry removal and row saving functionality, enhance admin components with localization

backend/services/database.js

@@ -51,8 +51,6 @@ export async function getTableData() {
   return { success: false };
 }
 
-// Create data from array not working !!!
-
 export async function createEntry(data) {
   let { status } = { status: true };
   for (const item of data) {
@@ -71,3 +69,42 @@ export async function createEntry(data) {
 
   return status;
 }
+
+export async function removeEntries(losnummern) {
+  let { status } = { status: true };
+
+  for (const losnummer of losnummern) {
+    const [result] = await pool.query("DELETE FROM lose WHERE losnummer = ?", [
+      losnummer,
+    ]);
+
+    if (result.affectedRows > 0) {
+      status = true;
+    } else {
+      status = false;
+      break;
+    }
+  }
+
+  return status;
+}
+
+export async function saveRow(payload) {
+  const [result] = await pool.query(
+    "UPDATE lose SET vorname = ?, nachname = ?, adresse = ?, plz = ?, email = ? WHERE losnummer = ?",
+    [
+      payload.vorname,
+      payload.nachname,
+      payload.adresse,
+      payload.plz,
+      payload.email,
+      payload.losnummer,
+    ]
+  );
+
+  if (result.affectedRows > 0) {
+    return { success: true };
+  } else {
+    return { success: false };
+  }
+}