chore(repo): initialize planarchy workspace

2026-03-14 14:31:09 +01:00
commit dd55d0e78b
769 changed files with 166461 additions and 0 deletions
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+/**
+ * Vacation utility functions for the engine layer.
+ * These are pure functions — no DB imports.
+ */
+
+export interface VacationRange {
+  startDate: Date;
+  endDate: Date;
+  status: string;
+}
+
+/**
+ * Returns true if the given date falls within any APPROVED vacation range.
+ */
+export function isVacationDay(date: Date, vacations: VacationRange[]): boolean {
+  const t = new Date(date);
+  t.setHours(0, 0, 0, 0);
+  const time = t.getTime();
+
+  for (const v of vacations) {
+    if (v.status !== "APPROVED") continue;
+    const start = new Date(v.startDate);
+    start.setHours(0, 0, 0, 0);
+    const end = new Date(v.endDate);
+    end.setHours(0, 0, 0, 0);
+    if (time >= start.getTime() && time <= end.getTime()) return true;
+  }
+  return false;
+}
+
+/**
+ * Returns all APPROVED vacation dates (as Date objects) that fall within [startDate, endDate].
+ * Used for demand recalculation display.
+ */
+export function getVacationDatesInRange(
+  startDate: Date,
+  endDate: Date,
+  vacations: VacationRange[],
+): Date[] {
+  const result: Date[] = [];
+  const approved = vacations.filter((v) => v.status === "APPROVED");
+
+  const current = new Date(startDate);
+  current.setHours(0, 0, 0, 0);
+  const end = new Date(endDate);
+  end.setHours(0, 0, 0, 0);
+
+  while (current <= end) {
+    for (const v of approved) {
+      const vStart = new Date(v.startDate);
+      vStart.setHours(0, 0, 0, 0);
+      const vEnd = new Date(v.endDate);
+      vEnd.setHours(0, 0, 0, 0);
+      if (current >= vStart && current <= vEnd) {
+        result.push(new Date(current));
+        break;
+      }
+    }
+    current.setDate(current.getDate() + 1);
+  }
+
+  return result;
+}