Initial commit

src/entities/TimeRange.ts

@@ -0,0 +1,34 @@
+import EorzeaTime from "../util/EorzeaTime";
+
+export default class TimeRange {
+
+  private readonly from: [number, number];
+  private readonly to: [number, number];
+
+  constructor(fromHour: number, fromMinute: number, toHour: number, toMinute: number) {
+    this.from = [fromHour, fromMinute];
+    this.to = [toHour, toMinute];
+  }
+
+  public isWithinTimeFrame(hour: number, minute: number): boolean {
+    return (
+        this.from[0] < hour || this.from[0] == hour && this.from[1] <= minute)
+        && (hour < this.to[0] || hour == this.to[0] && minute <= this.to[1]
+      );
+  }
+
+  /**
+   * Returns a timestamp when the time range will be active again
+   */
+  public getNextTimeFrame(eorzeaTimeFrom: EorzeaTime): number {
+    const targetDate = new Date(eorzeaTimeFrom.eorzeaDate.getTime());
+    targetDate.setUTCHours(this.from[0], 0, 0, 0);
+    if (eorzeaTimeFrom.getHours() >= this.to[0]) {
+      targetDate.setUTCHours(this.from[0] + 24);
+    }
+    return targetDate.getTime();
+  }
+
+
+
+}