commit ae62bb9

Fix chat history fetch loop for targets containing uppercase chars

We would previously flood the server with CHATHISTORY BEFORE on
channels with mixed case.

 1@@ -1221,16 +1221,17 @@ func (app *App) maybeRequestHistory() {
 2 		return
 3 	}
 4 	netID, buffer := app.win.CurrentBuffer()
 5-	if app.messageBounds[boundKey{netID, buffer}].complete {
 6-		return
 7-	}
 8 	s := app.sessions[netID]
 9 	if s == nil {
10 		return
11 	}
12+	bk := boundKey{netID, s.Casemap(buffer)}
13+	if app.messageBounds[bk].complete {
14+		return
15+	}
16 	_, h := app.win.Size()
17 	if l := app.win.LinesAboveOffset(); l < h*2 && buffer != "" {
18-		if bound, ok := app.messageBounds[boundKey{netID, buffer}]; ok {
19+		if bound, ok := app.messageBounds[bk]; ok {
20 			s.NewHistoryRequest(buffer).
21 				WithLimit(200).
22 				Before(bound.first)
23@@ -1393,7 +1394,8 @@ func (app *App) handleIRCEvent(netID string, ev interface{}) {
24 		if !ev.Read.IsZero() {
25 			app.win.SetRead(netID, ev.Channel, ev.Read)
26 		}
27-		bounds, ok := app.messageBounds[boundKey{netID, ev.Channel}]
28+		bk := boundKey{netID, s.Casemap(ev.Channel)}
29+		bounds, ok := app.messageBounds[bk]
30 		if added || !ok {
31 			if t, ok := msg.Time(); ok {
32 				s.NewHistoryRequest(ev.Channel).
33@@ -1434,7 +1436,7 @@ func (app *App) handleIRCEvent(netID string, ev interface{}) {
34 		app.win.AddLine(netID, ev.Channel, line)
35 	case irc.SelfPartEvent:
36 		app.win.RemoveBuffer(netID, ev.Channel)
37-		delete(app.messageBounds, boundKey{netID, ev.Channel})
38+		delete(app.messageBounds, boundKey{netID, s.Casemap(ev.Channel)})
39 	case irc.UserPartEvent:
40 		if !app.cfg.StatusEnabled {
41 			break
42@@ -1519,9 +1521,10 @@ func (app *App) handleIRCEvent(netID string, ev interface{}) {
43 			app.lastQuery = msg.Prefix.Name
44 			app.lastQueryNet = netID
45 		}
46-		bounds := app.messageBounds[boundKey{netID, buffer}]
47+		bk := boundKey{netID, s.Casemap(buffer)}
48+		bounds := app.messageBounds[bk]
49 		bounds.Update(&line)
50-		app.messageBounds[boundKey{netID, buffer}] = bounds
51+		app.messageBounds[bk] = bounds
52 	case irc.HistoryTargetsEvent:
53 		type target struct {
54 			name string
55@@ -1555,7 +1558,8 @@ func (app *App) handleIRCEvent(netID string, ev interface{}) {
56 	case irc.HistoryEvent:
57 		var linesBefore []ui.Line
58 		var linesAfter []ui.Line
59-		bounds, hasBounds := app.messageBounds[boundKey{netID, ev.Target}]
60+		bk := boundKey{netID, s.Casemap(ev.Target)}
61+		bounds, hasBounds := app.messageBounds[bk]
62 		boundsNew := bounds
63 		for _, m := range ev.Messages {
64 			var line ui.Line
65@@ -1586,7 +1590,7 @@ func (app *App) handleIRCEvent(netID string, ev interface{}) {
66 		app.win.AddLines(netID, ev.Target, linesBefore, linesAfter)
67 
68 		if !boundsNew.IsZero() {
69-			app.messageBounds[boundKey{netID, ev.Target}] = boundsNew
70+			app.messageBounds[bk] = boundsNew
71 		}
72 		if len(ev.Messages) < 10 {
73 			// We're getting a non-full page: mark as complete to avoid indefinitely fetching the history.
74@@ -1596,9 +1600,9 @@ func (app *App) handleIRCEvent(netID string, ev interface{}) {
75 			// the second of the message (because some bouncers have a second-level resolution).
76 			// Be safe and pick 10 messages: less messages means that this was not a full page and we are done
77 			// with fetching the backlog.
78-			b := app.messageBounds[boundKey{netID, ev.Target}]
79+			b := app.messageBounds[bk]
80 			b.complete = true
81-			app.messageBounds[boundKey{netID, ev.Target}] = b
82+			app.messageBounds[bk] = b
83 		}
84 	case irc.SearchEvent:
85 		app.win.OpenOverlay("Press Escape to close the search results")