feat: implement desktop notifications (#42)

discordo.go

@@ -1,11 +1,13 @@
 package main
 
 import (
+	"fmt"
 	"sort"
 	"strings"
 
 	"github.com/atotto/clipboard"
 	"github.com/gdamore/tcell/v2"
+	"github.com/gen2brain/beeep"
 	"github.com/rigormorrtiss/discordgo"
 	"github.com/rigormorrtiss/discordo/ui"
 	"github.com/rigormorrtiss/discordo/util"
@@ -279,8 +281,31 @@ func onSessionReady(_ *discordgo.Session, r *discordgo.Ready) {
 	guildsView.SetCurrentNode(n)
 }
 
-func onSessionMessageCreate(_ *discordgo.Session, m *discordgo.MessageCreate) {
-	if selectedChannel == nil || selectedChannel.ID != m.ChannelID {
+func onSessionMessageCreate(s *discordgo.Session, m *discordgo.MessageCreate) {
+	if selectedChannel == nil {
+		selectedChannel = &discordgo.Channel{ID: ""}
+	}
+
+	if selectedChannel.ID != m.ChannelID {
+		if config.Notifications {
+			for _, u := range m.Mentions {
+				// If the client user account is mentioned in the message content, send a desktop notification with details.
+				if u.ID == s.State.User.ID {
+					g, err := s.State.Guild(m.GuildID)
+					if err != nil {
+						return
+					}
+					c, err := s.State.Channel(m.ChannelID)
+					if err != nil {
+						return
+					}
+
+					beeep.Alert(fmt.Sprintf("%s (#%s)", g.Name, c.Name), m.ContentWithMentionsReplaced(), "")
+					return
+				}
+			}
+		}
+
 		return
 	}
 

go.mod

@@ -5,6 +5,7 @@ go 1.16
 require (
 	github.com/atotto/clipboard v0.1.4
 	github.com/gdamore/tcell/v2 v2.4.1-0.20210904044819-ae5116d72813
+	github.com/gen2brain/beeep v0.0.0-20210529141713-5586760f0cc1
 	github.com/rigormorrtiss/discordgo v0.23.3-0.20210821171441-1f1f1a283940
 	github.com/rivo/tview v0.0.0-20210904173154-2f13f81dcb15
 	github.com/zalando/go-keyring v0.1.1

go.sum

@@ -10,8 +10,16 @@ github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdk
 github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg=
 github.com/gdamore/tcell/v2 v2.4.1-0.20210904044819-ae5116d72813 h1:uqlt4EHPdtAAXKBq6OKc0auHsQP5zfhdHo/BYe6hz2Q=
 github.com/gdamore/tcell/v2 v2.4.1-0.20210904044819-ae5116d72813/go.mod h1:Az6Jt+M5idSED2YPGtwnfJV0kXohgdCBPmHGSYc1r04=
+github.com/gen2brain/beeep v0.0.0-20210529141713-5586760f0cc1 h1:Xh9mvwEmhbdXlRSsgn+N0zj/NqnKvpeqL08oKDHln2s=
+github.com/gen2brain/beeep v0.0.0-20210529141713-5586760f0cc1/go.mod h1:ElSskYZe3oM8kThaHGJ+kiN2yyUMVXMZ7WxF9QqLDS8=
+github.com/go-toast/toast v0.0.0-20190211030409-01e6764cf0a4 h1:qZNfIGkIANxGv/OqtnntR4DfOY2+BgwR60cAcu/i3SE=
+github.com/go-toast/toast v0.0.0-20190211030409-01e6764cf0a4/go.mod h1:kW3HQ4UdaAyrUCSSDR4xUzBKW6O2iA4uHhk7AtyYp10=
 github.com/godbus/dbus/v5 v5.0.3 h1:ZqHaoEF7TBzh4jzPmqVhE/5A1z9of6orkAe5uHoAeME=
 github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/gopherjs/gopherjs v0.0.0-20180825215210-0210a2f0f73c h1:16eHWuMGvCjSfgRJKqIzapE78onvvTbdi1rMkU00lZw=
+github.com/gopherjs/gopherjs v0.0.0-20180825215210-0210a2f0f73c/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
+github.com/gopherjs/gopherwasm v1.1.0 h1:fA2uLoctU5+T3OhOn2vYP0DVT6pxc7xhTlBB1paATqQ=
+github.com/gopherjs/gopherwasm v1.1.0/go.mod h1:SkZ8z7CWBz5VXbhJel8TxCmAcsQqzgWGR/8nMhyhZSI=
 github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
 github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
@@ -19,6 +27,8 @@ github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69
 github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
 github.com/mattn/go-runewidth v0.0.13 h1:lTGmDsbAYt5DmK6OnoV7EuIF1wEIFAcxld6ypU4OSgU=
 github.com/mattn/go-runewidth v0.0.13/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
+github.com/nu7hatch/gouuid v0.0.0-20131221200532-179d4d0c4d8d h1:VhgPp6v9qf9Agr/56bj7Y/xa04UccTW04VP0Qed4vnQ=
+github.com/nu7hatch/gouuid v0.0.0-20131221200532-179d4d0c4d8d/go.mod h1:YUTz3bUH2ZwIWBy3CJBeOBEugqcmXREj14T+iG/4k4U=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/rigormorrtiss/discordgo v0.23.3-0.20210821171441-1f1f1a283940 h1:Qg0MhvFI7Mg4Za9/Htou4y3nDaU0uABMYRys4U1WK4g=
@@ -31,12 +41,15 @@ github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
+github.com/tadvi/systray v0.0.0-20190226123456-11a2b8fa57af h1:6yITBqGTE2lEeTPG04SN9W+iWHCRyHqlVYILiSXziwk=
+github.com/tadvi/systray v0.0.0-20190226123456-11a2b8fa57af/go.mod h1:4F09kP5F+am0jAwlQLddpoMDM+iewkxxt6nxUQ5nq5o=
 github.com/zalando/go-keyring v0.1.1 h1:w2V9lcx/Uj4l+dzAf1m9s+DJ1O8ROkEHnynonHjTcYE=
 github.com/zalando/go-keyring v0.1.1/go.mod h1:OIC+OZ28XbmwFxU/Rp9V7eKzZjamBJwRzC8UFJH9+L8=
 golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b h1:7mWr3k41Qtv8XlltBkDkl8LoP3mpSgBW8BUoxtEdbXg=
 golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210309074719-68d13333faf2 h1:46ULzRKLh1CwgRq2dC5SlBzEqqNCi8rreOZnNrbqcIY=
 golang.org/x/sys v0.0.0-20210309074719-68d13333faf2/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

util/config.go

@@ -12,6 +12,7 @@ import (
 type Config struct {
 	Token            string      `json:"token"`
 	Mouse            bool        `json:"mouse"`
+	Notifications    bool        `json:"notifications"`
 	UserAgent        string      `json:"userAgent"`
 	GetMessagesLimit int         `json:"getMessagesLimit"`
 	Theme            tview.Theme `json:"theme"`
@@ -20,8 +21,9 @@ type Config struct {
 // NewConfig reads the configuration file (if exists) and returns a new config.
 func NewConfig() *Config {
 	c := Config{
-		Token: "",
-		Mouse: true,
+		Token:         "",
+		Mouse:         true,
+		Notifications: true,
 		UserAgent: "" +
 			"Mozilla/5.0 (X11; Linux x86_64) " +
 			"AppleWebKit/537.36 (KHTML, like Gecko) " +