Added a way to block/unblock users client-side

internal/client/ui/core/chat/chat.go

@@ -519,7 +519,21 @@ func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
 			}
 
 			if m.receiverIndex != -1 {
-				// TODO: unlock user
+				userId := state.Data.Signals[m.receiverIndex]
+
+				if userId == *state.UserID {
+					return m, nil
+				}
+
+				if _, ok := state.State.BlockedUsers[userId]; !ok {
+					return m, nil
+				}
+
+				return m, gateway.Send(&packet.BlockUser{
+					User:  userId,
+					Block: false,
+				})
+
 			} else {
 				networkId := state.NetworkId(m.networkIndex)
 				network := state.State.Networks[*networkId]
@@ -558,7 +572,21 @@ func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
 				return m, nil
 			}
 			if m.receiverIndex != -1 {
-				// TODO: block user
+				userId := state.Data.Signals[m.receiverIndex]
+
+				if userId == *state.UserID {
+					return m, nil
+				}
+
+				if _, ok := state.State.BlockedUsers[userId]; ok {
+					return m, nil
+				}
+
+				return m, gateway.Send(&packet.BlockUser{
+					User:  userId,
+					Block: true,
+				})
+
 			} else {
 				networkId := state.NetworkId(m.networkIndex)
 				network := state.State.Networks[*networkId]

internal/client/ui/core/core.go

@@ -329,6 +329,9 @@ func (m *Model) updateConnected(message tea.Msg) tea.Cmd {
 	case *packet.TrustInfo:
 		state.UpdateTrustedUsers(msg)
 
+	case *packet.BlockInfo:
+		state.UpdateBlockedUsers(msg)
+
 	case *packet.NotificationsInfo:
 		signals := state.UpdateNotifications(msg)
 		if m.networkList.Index() == networklist.SignalsIndex {

internal/client/ui/core/state/state.go

@@ -32,6 +32,7 @@ type state struct {
 	Members      map[snowflake.ID]map[snowflake.ID]data.Member // key is network id then user id
 	Users        map[snowflake.ID]data.User                    // key is user id
 	TrustedUsers map[snowflake.ID]ed25519.PublicKey            // key is user id
+	BlockedUsers map[snowflake.ID]struct{}                     // key is user id
 
 	LastReadMessages map[snowflake.ID]*snowflake.ID // key is frequency id or receiver id
 	Notifications    map[snowflake.ID]int           // key is frequency id or receiver id
@@ -46,8 +47,9 @@ var State state = state{
 	Members:          map[snowflake.ID]map[snowflake.ID]data.Member{},
 	Users:            map[snowflake.ID]data.User{},
 	TrustedUsers:     map[snowflake.ID]ed25519.PublicKey{},
-	Notifications:    map[snowflake.ID]int{},
+	BlockedUsers:     map[snowflake.ID]struct{}{},
 	LastReadMessages: map[snowflake.ID]*snowflake.ID{},
+	Notifications:    map[snowflake.ID]int{},
 }
 
 type UserData struct {
@@ -337,3 +339,13 @@ func SendFinalData() {
 	case <-ch2:
 	}
 }
+
+func UpdateBlockedUsers(info *packet.BlockInfo) {
+	for _, removed := range info.RemovedBlockedUsers {
+		delete(State.BlockedUsers, removed)
+	}
+
+	for _, trusted := range info.BlockedUsers {
+		State.BlockedUsers[trusted] = struct{}{}
+	}
+}