118 lines
3.7 KiB
Go
118 lines
3.7 KiB
Go
// Copyright (c) 2021 Tulir Asokan
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package whatsmeow
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import (
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"sync/atomic"
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"time"
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waBinary "go.mau.fi/whatsmeow/binary"
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"go.mau.fi/whatsmeow/types"
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"go.mau.fi/whatsmeow/types/events"
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)
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func (cli *Client) handleChatState(node *waBinary.Node) {
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source, err := cli.parseMessageSource(node)
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if err != nil {
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cli.Log.Warnf("Failed to parse chat state update: %v", err)
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} else if len(node.GetChildren()) != 1 {
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cli.Log.Warnf("Failed to parse chat state update: unexpected number of children in element (%d)", len(node.GetChildren()))
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} else {
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child := node.GetChildren()[0]
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presence := types.ChatPresence(child.Tag)
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if presence != types.ChatPresenceComposing && presence != types.ChatPresencePaused {
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cli.Log.Warnf("Unrecognized chat presence state %s", child.Tag)
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}
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media := types.ChatPresenceMedia(child.AttrGetter().OptionalString("media"))
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cli.dispatchEvent(&events.ChatPresence{
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MessageSource: source,
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State: presence,
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Media: media,
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})
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}
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}
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func (cli *Client) handlePresence(node *waBinary.Node) {
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var evt events.Presence
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ag := node.AttrGetter()
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evt.From = ag.JID("from")
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presenceType := ag.OptionalString("type")
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if presenceType == "unavailable" {
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evt.Unavailable = true
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} else if presenceType != "" {
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cli.Log.Debugf("Unrecognized presence type '%s' in presence event from %s", presenceType, evt.From)
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}
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lastSeen := ag.OptionalString("last")
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if lastSeen != "" && lastSeen != "deny" {
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evt.LastSeen = time.Unix(ag.Int64("last"), 0)
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}
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if !ag.OK() {
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cli.Log.Warnf("Error parsing presence event: %+v", ag.Errors)
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} else {
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cli.dispatchEvent(&evt)
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}
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}
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// SendPresence updates the user's presence status on WhatsApp.
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//
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// You should call this at least once after connecting so that the server has your pushname.
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// Otherwise, other users will see "-" as the name.
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func (cli *Client) SendPresence(state types.Presence) error {
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if len(cli.Store.PushName) == 0 {
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return ErrNoPushName
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}
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if state == types.PresenceAvailable {
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atomic.CompareAndSwapUint32(&cli.sendActiveReceipts, 0, 1)
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} else {
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atomic.CompareAndSwapUint32(&cli.sendActiveReceipts, 1, 0)
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}
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return cli.sendNode(waBinary.Node{
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Tag: "presence",
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Attrs: waBinary.Attrs{
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"name": cli.Store.PushName,
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"type": string(state),
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},
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})
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}
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// SubscribePresence asks the WhatsApp servers to send presence updates of a specific user to this client.
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//
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// After subscribing to this event, you should start receiving *events.Presence for that user in normal event handlers.
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//
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// Also, it seems that the WhatsApp servers require you to be online to receive presence status from other users,
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// so you should mark yourself as online before trying to use this function:
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// cli.SendPresence(types.PresenceAvailable)
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func (cli *Client) SubscribePresence(jid types.JID) error {
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return cli.sendNode(waBinary.Node{
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Tag: "presence",
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Attrs: waBinary.Attrs{
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"type": "subscribe",
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"to": jid,
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},
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})
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}
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// SendChatPresence updates the user's typing status in a specific chat.
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//
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// The media parameter can be set to indicate the user is recording media (like a voice message) rather than typing a text message.
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func (cli *Client) SendChatPresence(jid types.JID, state types.ChatPresence, media types.ChatPresenceMedia) error {
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content := []waBinary.Node{{Tag: string(state)}}
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if state == types.ChatPresenceComposing && len(media) > 0 {
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content[0].Attrs = waBinary.Attrs{
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"media": string(media),
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}
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}
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return cli.sendNode(waBinary.Node{
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Tag: "chatstate",
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Attrs: waBinary.Attrs{
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"from": *cli.Store.ID,
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"to": jid,
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},
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Content: content,
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})
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}
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