feat: add filters to drafts (#1631)

* feat: add filters to drafts

Co-authored-by: Guilherme Diniz <guilhermedassumpcao@gmail.com>

shared/utils/date.js

@@ -0,0 +1,23 @@
+// @flow
+import subDays from "date-fns/sub_days";
+import subMonth from "date-fns/sub_months";
+import subWeek from "date-fns/sub_weeks";
+import subYear from "date-fns/sub_years";
+
+export function subtractDate(
+  date: Date,
+  period: "day" | "week" | "month" | "year"
+) {
+  switch (period) {
+    case "day":
+      return subDays(date, 1);
+    case "week":
+      return subWeek(date, 1);
+    case "month":
+      return subMonth(date, 1);
+    case "year":
+      return subYear(date, 1);
+    default:
+      return date;
+  }
+}