First commit

matrixbot/bot.go

@@ -0,0 +1,37 @@
+package matrixbot
+
+import (
+	"context"
+	"time"
+
+	mautrix "maunium.net/go/mautrix"
+	"maunium.net/go/mautrix/event"
+)
+
+// Bot encapsulates a Matrix client.
+type Bot struct {
+	Client *mautrix.Client
+}
+
+// NewBot creates a new Bot instance.
+func NewBot(client *mautrix.Client) *Bot {
+	return &Bot{Client: client}
+}
+
+// Start begins syncing with the Matrix server and sets up event handlers.
+// It waits 30 seconds after connecting before registering the message handler
+// to allow historical messages to be skipped.
+func (b *Bot) Start() error {
+	syncer := b.Client.Syncer.(*mautrix.DefaultSyncer)
+
+	// Pause for 30 seconds to skip over historical messages
+	time.Sleep(30 * time.Second)
+
+	// Register message handler for new events only
+	syncer.OnEventType(event.EventMessage, func(ctx context.Context, evt *event.Event) {
+		go HandleMessage(evt, b.Client)
+	})
+
+	// Start the sync loop (blocks until error).
+	return b.Client.Sync()
+}

matrixbot/handler.go

@@ -0,0 +1,70 @@
+package matrixbot
+
+import (
+	"context"
+	"strings"
+
+	"matrix-scores-bot/cbb"
+	"matrix-scores-bot/cfb"
+
+	mautrix "maunium.net/go/mautrix"
+	"maunium.net/go/mautrix/event"
+)
+
+// HandleMessage processes incoming Matrix messages and dispatches commands with HTML formatting.
+func HandleMessage(evt *event.Event, client *mautrix.Client) {
+	msg := evt.Content.AsMessage()
+	if msg.MsgType != event.MsgText {
+		return
+	}
+	fields := strings.Fields(msg.Body)
+	if len(fields) == 0 {
+		return
+	}
+
+	cmd := fields[0]
+	var plain, html string
+
+	switch cmd {
+	case "!cfb":
+		if len(fields) < 2 {
+			plain = "Usage: !cfb <teamName>"
+			html = plain
+		} else {
+			team := strings.Join(fields[1:], " ")
+			html = cfb.GetGameInfo(team)
+			plain = strings.ReplaceAll(html, "<strong>", "")
+			plain = strings.ReplaceAll(plain, "</strong>", "")
+		}
+
+	case "!cbb":
+		if len(fields) < 2 {
+			plain = "Usage: !cbb <teamName> [MM/DD]"
+			html = plain
+		} else {
+			team := fields[1]
+			date := ""
+			if len(fields) >= 3 {
+				date = fields[2]
+			}
+			html = cbb.GetGameInfo(team, date)
+			plain = strings.ReplaceAll(html, "<strong>", "")
+			plain = strings.ReplaceAll(plain, "</strong>", "")
+		}
+
+	default:
+		return
+	}
+
+	content := event.MessageEventContent{
+		MsgType:       event.MsgText,
+		Body:          plain,
+		Format:        "org.matrix.custom.html",
+		FormattedBody: html,
+	}
+
+	if _, err := client.SendMessageEvent(context.Background(), evt.RoomID, event.EventMessage, content); err != nil {
+		// Log failure but do not panic
+		println("Failed to send formatted message:", err.Error())
+	}
+}