itd is a daemon that uses my infinitime library to interact with the PineTime snartwatch running InfiniTime.
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/*
* itd uses bluetooth low energy to communicate with InfiniTime devices
* Copyright (C) 2021 Arsen Musayelyan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import (
"fmt"
"github.com/godbus/dbus/v5"
"github.com/rs/zerolog/log"
"github.com/spf13/viper"
"go.arsenm.dev/infinitime"
)
func initNotifRelay(dev *infinitime.Device) error {
// Connect to dbus session bus
bus, err := dbus.SessionBus()
if err != nil {
return err
}
// Define rules to listen for
var rules = []string{
"type='method_call',member='Notify',path='/org/freedesktop/Notifications',interface='org.freedesktop.Notifications'",
}
var flag uint = 0
// Becode monitor for notifications
call := bus.BusObject().Call("org.freedesktop.DBus.Monitoring.BecomeMonitor", 0, rules, flag)
if call.Err != nil {
return call.Err
}
// Create channel to store notifications
notifCh := make(chan *dbus.Message, 10)
// Send events to channel
bus.Eavesdrop(notifCh)
go func() {
// For every event sent to channel
for v := range notifCh {
// If firmware is updating, skip
if firmwareUpdating {
continue
}
// If body does not contain 5 elements, skip
if len(v.Body) < 5 {
continue
}
// Get requred fields
sender, summary, body := v.Body[0].(string), v.Body[3].(string), v.Body[4].(string)
// If fields are ignored in config, skip
if ignored(sender, summary, body) {
continue
}
var msg string
// If summary does not exist, set message to body.
// If it does, set message to summary, two newlines, and then body
if summary == "" {
msg = body
} else {
msg = fmt.Sprintf("%s\n\n%s", summary, body)
}
dev.Notify(sender, msg)
}
}()
log.Info().Msg("Relaying notifications to InfiniTime")
return nil
}
// ignored checks whether any fields were ignored in the config
func ignored(sender, summary, body string) bool {
ignoreSender := viper.GetStringSlice("notifications.ignore.sender")
ignoreSummary := viper.GetStringSlice("notifications.ignore.summary")
ignoreBody := viper.GetStringSlice("notifications.ignore.body")
return strSlcContains(ignoreSender, sender) ||
strSlcContains(ignoreSummary, summary) ||
strSlcContains(ignoreBody, body)
}
// strSliceContains checks whether a string slice contains a string
func strSlcContains(ss []string, s string) bool {
for _, str := range ss {
if str == s {
return true
}
}
return false
}