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Add support for deleting messages from discord

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This commit is contained in:
Gary Kramlich
2022-02-08 05:18:25 -06:00
parent 8380c4b1b0
commit 3e9f927ed4
4 changed files with 90 additions and 40 deletions
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70
bridge/portal.go
View File

@@ -32,8 +32,6 @@ type Portal struct {
bridge *Bridge
log log.Logger
channel *discordgo.Channel
roomCreateLock sync.Mutex
discordMessages chan portalDiscordMessage
@@ -159,39 +157,22 @@ func (p *Portal) messageLoop() {
}
func (p *Portal) IsPrivateChat() bool {
if p.channel != nil {
return p.channel.Type == discordgo.ChannelTypeDM
}
return false
return p.Type == discordgo.ChannelTypeDM
}
func (p *Portal) MainIntent() *appservice.IntentAPI {
if p.IsPrivateChat() && p.channel != nil && len(p.channel.Recipients) == 1 {
return p.bridge.GetPuppetByID(p.channel.Recipients[0].ID).DefaultIntent()
if p.IsPrivateChat() && p.DMUser != "" {
return p.bridge.GetPuppetByID(p.DMUser).DefaultIntent()
}
return p.bridge.bot
}
func (p *Portal) getMessagePuppet(user *User, message *discordgo.Message) *Puppet {
p.log.Debugf("getMessagePuppet")
if message.Author.ID == user.ID {
return p.bridge.GetPuppetByID(user.ID)
}
puppet := p.bridge.GetPuppetByID(message.Author.ID)
puppet.SyncContact(user)
return puppet
}
func (p *Portal) getMessageIntent(user *User, message *discordgo.Message) *appservice.IntentAPI {
return p.getMessagePuppet(user, message).IntentFor(p)
}
func (p *Portal) createMatrixRoom(user *User, channel *discordgo.Channel) error {
p.channel = channel
p.Type = channel.Type
if p.Type == discordgo.ChannelTypeDM {
p.DMUser = channel.Recipients[0].ID
}
p.roomCreateLock.Lock()
defer p.roomCreateLock.Unlock()
@@ -288,7 +269,9 @@ func (p *Portal) handleDiscordMessages(msg portalDiscordMessage) {
switch msg.msg.(type) {
case *discordgo.MessageCreate:
p.handleDiscordMessage(msg.user, msg.msg.(*discordgo.MessageCreate).Message)
p.handleDiscordMessageCreate(msg.user, msg.msg.(*discordgo.MessageCreate).Message)
case *discordgo.MessageDelete:
p.handleDiscordMessageDelete(msg.user, msg.msg.(*discordgo.MessageDelete).Message)
case *discordgo.MessageReactionAdd:
p.handleDiscordReaction(msg.user, msg.msg.(*discordgo.MessageReactionAdd).MessageReaction, true)
case *discordgo.MessageReactionRemove:
@@ -318,7 +301,7 @@ func (p *Portal) markMessageHandled(msg *database.Message, discordID string, mxi
return msg
}
func (p *Portal) handleDiscordMessage(user *User, msg *discordgo.Message) {
func (p *Portal) handleDiscordMessageCreate(user *User, msg *discordgo.Message) {
if user.ID == msg.Author.ID {
return
}
@@ -353,6 +336,37 @@ func (p *Portal) handleDiscordMessage(user *User, msg *discordgo.Message) {
p.markMessageHandled(nil, msg.ID, resp.EventID, msg.Author.ID, ts)
}
func (p *Portal) handleDiscordMessageDelete(user *User, msg *discordgo.Message) {
// The discord delete message object is pretty empty and doesn't include
// the author so we have to use the DMUser from the portal that was added
// at creation time if we're a DM. We'll might have similar issues when we
// add guild message support, but we'll cross that bridge when we get
// there.
// Find the message that we're working with.
existing := p.bridge.db.Message.GetByDiscordID(p.Key, msg.ID)
if existing == nil {
p.log.Debugfln("failed to find message", msg.ID)
return
}
var intent *appservice.IntentAPI
if p.Type == discordgo.ChannelTypeDM {
intent = p.bridge.GetPuppetByID(p.DMUser).IntentFor(p)
} else {
p.log.Errorfln("no guilds yet...")
}
_, err := intent.RedactEvent(p.MXID, existing.MatrixID)
if err != nil {
p.log.Warnfln("Failed to remove message %s: %v", existing.MatrixID, err)
}
existing.Delete()
}
func (p *Portal) syncParticipants(source *User, participants []*discordgo.User) {
for _, participant := range participants {
puppet := p.bridge.GetPuppetByID(participant.ID)

30
bridge/user.go
View File

@@ -212,7 +212,8 @@ func (u *User) Connect() error {
u.User.Session.AddHandler(u.channelPinsUpdateHandler)
u.User.Session.AddHandler(u.channelUpdateHandler)
u.User.Session.AddHandler(u.messageHandler)
u.User.Session.AddHandler(u.messageCreateHandler)
u.User.Session.AddHandler(u.messageDeleteHandler)
u.User.Session.AddHandler(u.reactionAddHandler)
u.User.Session.AddHandler(u.reactionRemoveHandler)
@@ -249,6 +250,11 @@ func (u *User) channelCreateHandler(s *discordgo.Session, c *discordgo.ChannelCr
portal.Name = c.Name
portal.Topic = c.Topic
portal.Type = c.Type
if portal.Type == discordgo.ChannelTypeDM {
portal.DMUser = c.Recipients[0].ID
}
if c.Icon != "" {
u.log.Debugln("channel icon", c.Icon)
@@ -279,14 +285,32 @@ func (u *User) channelUpdateHandler(s *discordgo.Session, c *discordgo.ChannelUp
u.log.Debugln("channel update")
}
func (u *User) messageHandler(s *discordgo.Session, m *discordgo.MessageCreate) {
func (u *User) messageCreateHandler(s *discordgo.Session, m *discordgo.MessageCreate) {
if m.GuildID != "" {
u.log.Debugln("ignoring message for guild")
return
}
key := database.NewPortalKey(m.ChannelID, u.User.ID)
key := database.NewPortalKey(m.ChannelID, u.ID)
portal := u.bridge.GetPortalByID(key)
msg := portalDiscordMessage{
msg: m,
user: u,
}
portal.discordMessages <- msg
}
func (u *User) messageDeleteHandler(s *discordgo.Session, m *discordgo.MessageDelete) {
if m.GuildID != "" {
u.log.Debugln("ignoring message delete for guild message")
return
}
key := database.NewPortalKey(m.ChannelID, u.ID)
portal := u.bridge.GetPortalByID(key)
msg := portalDiscordMessage{