From 34c7f429e411fb911dfa56a816b638fd665717a4 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Fri, 31 May 2019 11:14:38 +0200
Subject: Group videos on chronological order

---
 shared/core-utils/miscs/date.ts | 49 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 shared/core-utils/miscs/date.ts

(limited to 'shared/core-utils/miscs')

diff --git a/shared/core-utils/miscs/date.ts b/shared/core-utils/miscs/date.ts
new file mode 100644
index 000000000..7f0b4443b
--- /dev/null
+++ b/shared/core-utils/miscs/date.ts
@@ -0,0 +1,49 @@
+function isToday (d: Date) {
+  const today = new Date()
+
+  return areDatesEqual(d, today)
+}
+
+function isYesterday (d: Date) {
+  const yesterday = new Date()
+  yesterday.setDate(yesterday.getDate() - 1)
+
+  return areDatesEqual(d, yesterday)
+}
+
+function isThisWeek (d: Date) {
+  const minDateOfThisWeek = new Date()
+  minDateOfThisWeek.setHours(0, 0, 0)
+
+  // getDay() -> Sunday - Saturday : 0 - 6
+  // We want to start our week on Monday
+  let dayOfWeek = minDateOfThisWeek.getDay() - 1
+  if (dayOfWeek < 0) dayOfWeek = 6 // Sunday
+
+  minDateOfThisWeek.setDate(minDateOfThisWeek.getDate() - dayOfWeek)
+
+  return d >= minDateOfThisWeek
+}
+
+function isThisMonth (d: Date) {
+  const thisMonth = new Date().getMonth()
+
+  return d.getMonth() === thisMonth
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  isYesterday,
+  isThisWeek,
+  isThisMonth,
+  isToday
+}
+
+// ---------------------------------------------------------------------------
+
+function areDatesEqual (d1: Date, d2: Date) {
+  return d1.getFullYear() === d2.getFullYear() &&
+    d1.getMonth() === d2.getMonth() &&
+    d1.getDate() === d2.getDate()
+}
-- 
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