Added a few interactions (help, source, feeds).

This commit is contained in:
mdosch 2019-05-26 20:20:34 +02:00
parent 1209593c9f
commit c548cdf277

View file

@ -138,7 +138,7 @@ func main() {
go pingMUC(client, config.BotJid, config.Muc, config.MucNick) go pingMUC(client, config.BotJid, config.Muc, config.MucNick)
// Starting goroutine to process received stanzas. // Starting goroutine to process received stanzas.
go processStanzas(client) go processStanzas(client, config.Muc, config.MucNick, config.Feeds)
// Set RefreshTime to 30 seconds if not defined. // Set RefreshTime to 30 seconds if not defined.
if config.RefreshTime == 0 { if config.RefreshTime == 0 {
@ -171,12 +171,12 @@ func main() {
} }
// Send a ping every 30 seconds after last successful ping to check if the MUC is still available. // Send a ping every 30 seconds after last successful ping to check if the MUC is still available.
func pingMUC(client *xmpp.Client, botJid string, Muc string, MucNick string) { func pingMUC(client *xmpp.Client, botJid string, muc string, mucNick string) {
for { for {
time.Sleep(30 * time.Second) time.Sleep(30 * time.Second)
// Send ping to own MUC participant to check we are still joined. // Send ping to own MUC participant to check we are still joined.
id, err = client.RawInformation(botJid, Muc+"/"+MucNick, sid.Id(), id, err = client.RawInformation(botJid, muc+"/"+mucNick, sid.Id(),
"get", "<ping xmlns='urn:xmpp:ping'/>") "get", "<ping xmlns='urn:xmpp:ping'/>")
if err != nil { if err != nil {
log.Fatal(err) log.Fatal(err)
@ -213,15 +213,76 @@ func pingServer(client *xmpp.Client, server string, botJid string) {
} }
} }
func processStanzas(client *xmpp.Client) { func processStanzas(client *xmpp.Client, muc string, mucNick string, feeds []string) {
for { // Receive stanzas. ToDo: Receive stanzas continiously without 30s delay. for { // Receive stanzas. ToDo: Receive stanzas continiously without 30s delay.
stanza, err := client.Recv() stanza, err := client.Recv()
if err != nil { if err != nil {
log.Fatal(err) log.Fatal(err)
} }
// Check IQs for ping results and disco#info queries. // Check stanzas, maybe we want to reply.
switch v := stanza.(type) { switch v := stanza.(type) {
// Reply to requests for source and feeds.
case xmpp.Chat:
// Get first word of the message and transform it to lower case.
var mention string
mention = strings.ToLower(strings.Split(v.Text, " ")[0])
// If it is not the bots nick remove one trailing character as
// a lot of clients append `:` or `,` to mentions.
if mention != strings.ToLower(mucNick) {
mentionLength := len(mention)
// Leave if mentionLength is <= 0
if mentionLength <= 0 {
break
}
mention = mention[:mentionLength-1]
// Leave if the message is not addressed to the bot.
if mention != strings.ToLower(mucNick) {
break
}
}
// Check for the second word (command).
switch strings.ToLower(strings.Split(v.Text, " ")[1]) {
// Reply with a short summary of available commands for `help`.
case "help":
_, err = client.Send(xmpp.Chat{Remote: muc,
Type: "groupchat", Text: strings.Split(v.Remote, "/")[1] +
": The following commands are available:\n" +
"feeds\t" + "List feeds I'm following.\n" +
"source\t" + "Show source code URL."})
if err != nil {
log.Fatal(err)
}
// Reply with repo address for `source`.
case "source":
_, err = client.Send(xmpp.Chat{Remote: muc,
Type: "groupchat", Text: strings.Split(v.Remote, "/")[1] +
": My source can be found at " +
"https://salsa.debian.org/mdosch-guest/feed-to-muc"})
if err != nil {
log.Fatal(err)
}
// Reply with the list of monitored feeds for `feeds`.
case "feeds":
var feedList string
for _, feed := range feeds {
// Add next feed element and a newline.
feedList = feedList + feed + "\n"
}
_, err = client.Send(xmpp.Chat{Remote: muc,
Type: "groupchat", Text: strings.Split(v.Remote, "/")[1] +
": Feeds I'm following:\n" + feedList})
if err != nil {
log.Fatal(err)
}
}
// Reply to pings and disco queries.
case xmpp.IQ: case xmpp.IQ:
if (v.Type == "error") && (v.ID == id) { if (v.Type == "error") && (v.ID == id) {
log.Fatal("MUC not available.") log.Fatal("MUC not available.")