Added dbSearch util

src/utils/dbSearch.ts

@@ -0,0 +1,27 @@
+import { ilike, or } from "drizzle-orm"
+
+/**
+ * Erzeugt eine OR-Suchbedingung über mehrere Spalten
+ *
+ * @param table - Drizzle Table Schema
+ * @param columns - Array der Spaltennamen (property names im schema)
+ * @param search - Suchbegriff
+ */
+export function buildSearchWhere(table: any, columns: string[], search: string) {
+    if (!search || !columns.length) return undefined
+
+    const term = `%${search.toLowerCase()}%`
+
+    const parts = columns
+        .map((colName) => {
+            const col = table[colName]
+            if (!col) return null
+            return ilike(col, term)
+        })
+        .filter(Boolean)
+
+    if (parts.length === 0) return undefined
+
+    // @ts-ignore
+    return or(...parts)
+}