From e98132bb4aa2a30d1caa68292328f2d0d553de8a Mon Sep 17 00:00:00 2001
From: Kyren223 <Kyren223@proton.me>
Date: Thu, 30 Jan 2025 16:44:11 +0200
Subject: Added "new" indicator to show which messages are new when opening a
 frequency, similar to how discord works

---
 internal/client/ui/core/state/state.go | 35 ++++++++++++++++++++++++++++++----
 1 file changed, 31 insertions(+), 4 deletions(-)

(limited to 'internal/client/ui/core/state')

diff --git a/internal/client/ui/core/state/state.go b/internal/client/ui/core/state/state.go
index b157771..04d592e 100644
--- a/internal/client/ui/core/state/state.go
+++ b/internal/client/ui/core/state/state.go
@@ -43,13 +43,15 @@ var State state = state{
 }
 
 type UserData struct {
-	Networks []snowflake.ID
-	Peers    []snowflake.ID
+	LastReadMessage map[snowflake.ID]*snowflake.ID
+	Networks        []snowflake.ID
+	Peers           []snowflake.ID
 }
 
 var Data UserData = UserData{
-	Networks: []snowflake.ID{},
-	Peers:    []snowflake.ID{},
+	LastReadMessage: map[snowflake.ID]*snowflake.ID{},
+	Networks:        []snowflake.ID{},
+	Peers:           []snowflake.ID{},
 }
 
 var UserID *snowflake.ID = nil
@@ -207,6 +209,9 @@ func FromJsonUserData(s string) {
 		return
 	}
 	Data = data
+	if Data.LastReadMessage == nil {
+		Data.LastReadMessage = map[snowflake.ID]*snowflake.ID{}
+	}
 }
 
 func UpdateTrusteds(info *packet.TrustInfo) {
@@ -218,3 +223,25 @@ func UpdateTrusteds(info *packet.TrustInfo) {
 		State.Trusteds[trusted] = info.TrustedPublicKeys[i]
 	}
 }
+
+func GetLastReadMessage(id snowflake.ID) *snowflake.ID {
+	btree := State.Messages[id]
+	if btree == nil {
+		return nil
+	}
+	msg, ok := btree.Max()
+	if !ok {
+		return nil
+	}
+	return &msg.ID
+}
+
+func SetLastReadMessage(id snowflake.ID, message snowflake.ID) {
+	Data.LastReadMessage[id] = &message
+
+	data := JsonUserData()
+	gateway.SendAsync(&packet.SetUserData{
+		Data: &data,
+		User: nil,
+	})
+}
-- 
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