80 lines
1.8 KiB
Go
80 lines
1.8 KiB
Go
package bot
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import (
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"context"
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"maunium.net/go/mautrix"
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"maunium.net/go/mautrix/event"
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)
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func (b *Bot) initSync() {
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b.lp.OnEventType(
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event.StateMember,
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func(_ mautrix.EventSource, evt *event.Event) {
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go b.onMembership(evt)
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},
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)
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b.lp.OnEventType(
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event.EventMessage,
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func(_ mautrix.EventSource, evt *event.Event) {
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go b.onMessage(evt)
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})
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b.lp.OnEventType(
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event.EventEncrypted,
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func(_ mautrix.EventSource, evt *event.Event) {
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go b.onEncryptedMessage(evt)
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})
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}
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func (b *Bot) onMembership(evt *event.Event) {
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ctx := newContext(evt)
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if evt.Content.AsMember().Membership == event.MembershipJoin && evt.Sender == b.lp.GetClient().UserID {
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b.onBotJoin(ctx)
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return
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}
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// Potentially handle other membership events in the future
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}
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func (b *Bot) onMessage(evt *event.Event) {
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// ignore own messages
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if evt.Sender == b.lp.GetClient().UserID {
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return
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}
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ctx := newContext(evt)
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b.handle(ctx)
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}
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func (b *Bot) onEncryptedMessage(evt *event.Event) {
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// ignore own messages
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if evt.Sender == b.lp.GetClient().UserID {
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return
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}
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ctx := newContext(evt)
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decrypted, err := b.lp.GetMachine().DecryptMegolmEvent(evt)
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if err != nil {
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b.Error(ctx, evt.RoomID, "cannot decrypt a message: %v", err)
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return
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}
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ctx = eventToContext(ctx, decrypted)
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b.handle(ctx)
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}
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// onBotJoin handles the "bot joined the room" event
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func (b *Bot) onBotJoin(ctx context.Context) {
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evt := eventFromContext(ctx)
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// Workaround for membership=join events which are delivered to us twice,
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// as described in this bug report: https://github.com/matrix-org/synapse/issues/9768
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_, ok := b.handledJoinEvents.LoadOrStore(evt.ID, true)
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if ok {
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b.log.Info("Suppressing already handled event %s", evt.ID)
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return
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}
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b.sendIntroduction(ctx, evt.RoomID)
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b.sendHelp(ctx, evt.RoomID)
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}
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