refactor(api): extract timeline batch shift support

2026-03-31 17:57:28 +02:00
parent e082f1748b
commit fb09d6487f
5 changed files with 110 additions and 105 deletions
@@ -0,0 +1,47 @@
+import { Prisma } from "@capakraken/db";
+
+export type TimelineBatchShiftMode = "move" | "resize-start" | "resize-end";
+
+export function shiftTimelineAllocationWindow(input: {
+  startDate: Date;
+  endDate: Date;
+  daysDelta: number;
+  mode: TimelineBatchShiftMode;
+}): { startDate: Date; endDate: Date } {
+  const startDate = new Date(input.startDate);
+  const endDate = new Date(input.endDate);
+
+  if (input.mode === "move") {
+    startDate.setDate(startDate.getDate() + input.daysDelta);
+    endDate.setDate(endDate.getDate() + input.daysDelta);
+    return { startDate, endDate };
+  }
+
+  if (input.mode === "resize-start") {
+    startDate.setDate(startDate.getDate() + input.daysDelta);
+    if (startDate > endDate) {
+      startDate.setTime(endDate.getTime());
+    }
+    return { startDate, endDate };
+  }
+
+  endDate.setDate(endDate.getDate() + input.daysDelta);
+  if (endDate < startDate) {
+    endDate.setTime(startDate.getTime());
+  }
+
+  return { startDate, endDate };
+}
+
+export function buildTimelineBatchShiftAuditChanges(input: {
+  mode: TimelineBatchShiftMode;
+  daysDelta: number;
+  count: number;
+}): Prisma.InputJsonValue {
+  return {
+    operation: "batchShift",
+    mode: input.mode,
+    daysDelta: input.daysDelta,
+    count: input.count,
+  } as unknown as Prisma.InputJsonValue;
+}