From b2519dcd2de8871eece4c013509fc9b015dbbbb0 Mon Sep 17 00:00:00 2001
From: Trey t <treytartt@fastmail.com>
Date: Tue, 8 Mar 2022 23:13:36 -0600
Subject: [PATCH] cache entries to help with header stutter

---
 Shared/Random.swift | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/Shared/Random.swift b/Shared/Random.swift
index 3052150..85fe0ea 100644
--- a/Shared/Random.swift
+++ b/Shared/Random.swift
@@ -34,11 +34,17 @@ class Random {
         return updateTime
     }
     
+    static var existingWeekdayName = [Int: String]()
     static func weekdayName(fromDate date: Date) -> String {
         let weekday = Calendar.current.component(.weekday, from: date)
         let calendar = Calendar.current
         let dayIndex = ((weekday - 1) + (calendar.firstWeekday - 1)) % 7
-        return calendar.weekdaySymbols[dayIndex]
+        if let value = Random.existingWeekdayName[dayIndex] {
+            return value
+        }
+        let newValue = calendar.weekdaySymbols[dayIndex]
+        Random.existingWeekdayName[dayIndex] = newValue
+        return newValue
     }
     
     static func monthName(fromMonthInt: Int) -> String {
@@ -46,13 +52,20 @@ class Random {
         return monthName
     }
     
+    static var existingDayFormat = [NSNumber: String]()
     static func dayFormat(fromDate date: Date) -> String {
         let components = Calendar.current.dateComponents([.day], from: date)
         let day = components.day!
         
         let formatter = NumberFormatter()
         formatter.numberStyle = .ordinal
-        return formatter.string(from: NSNumber(integerLiteral: day)) ?? ""
+        let num = NSNumber(integerLiteral: day)
+        if let value = existingDayFormat[num] {
+            return value
+        }
+        let newValue = formatter.string(from: num) ?? ""
+        existingDayFormat[num] = newValue
+        return newValue
     }
     
     static func createTotalPerc(fromEntries entries: [MoodEntry]) -> [MoodMetrics] {