vega/botlib/bot.go

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package botlib
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import (
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"fmt"
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"log"
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"os"
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"maunium.net/go/mautrix"
)
type Config struct {
Userid string
Server string
Token string
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Name string
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Owner string
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Prefix string
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}
type Bot struct {
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Client *mautrix.Client
Rooms map[string]int
Conf *Config
ManagementRoomID string
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}
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func NewBot(c *Config) *Bot {
client, err := mautrix.NewClient(c.Server, c.Userid, c.Token)
if err != nil {
log.Fatal(err)
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}
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b := &Bot{Client: client, Rooms: make(map[string]int), Conf: c, ManagementRoomID: "!fxioaRvcDbKKhCpHrZ:saintnet.tech"}
return b
}
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func (b *Bot) LeaveEmptyRooms() error {
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resp, err := b.Client.JoinedRooms()
if err != nil {
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return err
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}
for _, v := range resp.JoinedRooms {
mem, err := b.Client.JoinedMembers(v)
if err != nil {
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return err
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}
if len(mem.Joined) > 1 {
b.Rooms[v] = len(mem.Joined)
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log.Printf("%v is in Room %v\n", b.Conf.Name, v)
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} else {
_, err := b.Client.LeaveRoom(v)
if err != nil {
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return err
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}
_, err = b.Client.ForgetRoom(v)
if err != nil {
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return err
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}
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log.Printf("%v was in Room %v, left due to being last one there\n", b.Conf.Name, v)
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}
}
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return nil
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}
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func (b *Bot) CreateManagementRoom() (string, error) {
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if b.ManagementRoomID != "" {
log.Printf("%v already has management room %v\n", b.Conf.Name, b.ManagementRoomID)
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return "b.ManagementRoomID", nil
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}
log.Printf("Creating Management Room for %v\n", b.Conf.Name)
respCreateRoom, err := b.Client.CreateRoom(&mautrix.ReqCreateRoom{
Preset: "trusted_private_chat",
Visibility: "private",
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Name: fmt.Sprintf("%v Control Room", b.Conf.Name),
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Invite: []string{b.Conf.Owner},
IsDirect: true,
})
b.ManagementRoomID = respCreateRoom.RoomID
if err != nil {
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return "", err
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} else {
log.Printf("%v created management room %v\n", b.Conf.Name, respCreateRoom.RoomID)
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return respCreateRoom.RoomID, nil
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}
}
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func (b *Bot) DefaultHandleMessage(e *mautrix.Event) {
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if e.Sender == b.Conf.Userid {
return //we don't care about our own messages
}
body := e.Content.Body
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if body == "stop" {
b.Client.SendText(e.RoomID, "Shutting down...")
b.Client.StopSync()
os.Exit(0)
}
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_, err := b.Client.SendText(e.RoomID, body)
if err != nil {
log.Fatal(err)
}
}
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func (b *Bot) DefaultHandleMember(e *mautrix.Event) {
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mbr := e.Content.Membership
if mbr == mautrix.MembershipInvite {
if e.Sender == b.Conf.Owner && e.GetStateKey() == b.Conf.Userid {
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log.Printf("%v joining room: %v\n", b.Conf.Name, e.RoomID)
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_, err := b.Client.JoinRoom(e.RoomID, "", nil)
if err != nil {
log.Fatal(err)
}
}
}
if mbr == mautrix.MembershipJoin {
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log.Printf("A user joined a room %v cares about\n", b.Conf.Name)
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b.Rooms[e.RoomID] = b.Rooms[e.RoomID] + 1
}
if mbr == mautrix.MembershipLeave && e.Sender != b.Conf.Userid {
b.Rooms[e.RoomID] = b.Rooms[e.RoomID] - 1
if b.Rooms[e.RoomID] < 2 {
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log.Printf("%v is last in a room, leaving.\n", b.Conf.Name)
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_, err := b.Client.LeaveRoom(e.RoomID)
if err != nil {
log.Fatal(err)
}
_, err = b.Client.ForgetRoom(e.RoomID)
if err != nil {
log.Fatal(err)
}
}
}
}