From 3b06ee1e1272ff35a2f570bac459af20088c6d50 Mon Sep 17 00:00:00 2001
From: Lilian <lilian@blahaj.space>
Date: Wed, 24 Jul 2024 18:25:05 +0200
Subject: [PATCH] [frontend] Automatically update note datetime display

---
 .../Components/Note/NoteMetadata.razor        | 44 ++++++++++++++++++-
 1 file changed, 43 insertions(+), 1 deletion(-)

diff --git a/Iceshrimp.Frontend/Components/Note/NoteMetadata.razor b/Iceshrimp.Frontend/Components/Note/NoteMetadata.razor
index 4b429e85..011de872 100644
--- a/Iceshrimp.Frontend/Components/Note/NoteMetadata.razor
+++ b/Iceshrimp.Frontend/Components/Note/NoteMetadata.razor
@@ -1,3 +1,4 @@
+@using System.Timers
 @using Iceshrimp.Assets.PhosphorIcons
 @using Iceshrimp.Frontend.Localization
 @using Iceshrimp.Shared.Schemas.Web
@@ -38,18 +39,59 @@
     [Parameter] [EditorRequired] public required NoteVisibility Visibility   { get; set; }
     [Parameter] [EditorRequired] public required string?        InstanceName { get; set; }
 
+    protected override void OnInitialized()
+    {
+        ResetTimer();
+    }
+
     private string RenderDate(DateTime date)
     {
         var diff = DateTime.Now - date;
         return diff switch
         {
             { TotalDays: >= 365 }  => Loc["{0}y", Math.Round(diff.TotalDays / 365)],
-            { TotalDays: >= 30 }   => Loc["{0}mo",Math.Round(diff.TotalDays / 30)],
+            { TotalDays: >= 30 }   => Loc["{0}mo", Math.Round(diff.TotalDays / 30)],
             { TotalDays: >= 7 }    => Loc["{0}d", Math.Round(diff.TotalDays / 7)],
             { TotalDays: >= 1 }    => Loc["{0}d", Math.Round(diff.TotalDays)],
             { TotalHours: >= 1 }   => Loc["{0}h", Math.Round(diff.TotalHours)],
             { TotalMinutes: >= 1 } => Loc["{0}m", Math.Round(diff.TotalMinutes)],
+            { TotalSeconds: >= 1 } => Loc["{0}s", Math.Round(diff.TotalSeconds)],
             _                      => Loc["Just now"]
         };
     }
+
+    private void UpdateDisplay(object? _, ElapsedEventArgs elapsedEventArgs)
+    {
+        StateHasChanged();
+        ResetTimer();
+    }
+
+    private void ResetTimer()
+    {
+        var diff = DateTime.Now - CreatedAt;
+        if (diff.TotalMinutes < 1) // Default of 2 seconds
+        {
+            SetTimer();
+        }
+        else if (diff.TotalHours < 1)
+        {
+            SetTimer(20000); // 20 seconds
+        }
+        else if (diff.TotalDays < 1 && diff.TotalHours > 1)
+        {
+            SetTimer(600000); // 10 minutes
+        }
+        else
+        {
+            SetTimer(3600000); // 1 hour
+        }
+    }
+
+    private void SetTimer(int duration = 2000)
+    {
+        var timer = new Timer(duration);
+        timer.Elapsed   += UpdateDisplay;
+        timer.AutoReset =  false;
+        timer.Enabled   =  true;
+    }
 }
\ No newline at end of file