day len server theo loi Khoi noi, toi xin tuyen bo mien tru trach nhiem

src/common/utils/datetime.utils.ts

@@ -60,6 +60,20 @@ export class DateTimeUtils {
     )
   }
 
+  static isOverlaps(
+    listA: { start: DateTime; end: DateTime }[],
+    listB: { start: DateTime; end: DateTime }[],
+  ): boolean {
+    for (const a of listA) {
+      for (const b of listB) {
+        if (this.isOverlap(a.start, a.end, b.start, b.end)) {
+          return true
+        }
+      }
+    }
+    return false
+  }
+
   static fromIsoString(isoString: string): DateTime {
     const dateTime = DateTime.fromISO(isoString)
     if (!dateTime.isValid) {