Added discord module skeleton

.gitignore

@@ -0,0 +1 @@
+./tokens/*token

go.mod

@@ -1,6 +1,8 @@
 module galched-bot
 
 require (
+	github.com/bwmarrin/discordgo v0.19.0
+	github.com/pkg/errors v0.8.1
 	github.com/stretchr/testify v1.3.0 // indirect
 	go.uber.org/atomic v1.3.2 // indirect
 	go.uber.org/dig v1.7.0 // indirect

go.sum

@@ -1,5 +1,11 @@
+github.com/bwmarrin/discordgo v0.19.0 h1:kMED/DB0NR1QhRcalb85w0Cu3Ep2OrGAqZH1R5awQiY=
+github.com/bwmarrin/discordgo v0.19.0/go.mod h1:O9S4p+ofTFwB02em7jkpkV8M3R0/PUVOwN61zSZ0r4Q=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
+github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
+github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 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/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
@@ -15,3 +21,5 @@ go.uber.org/goleak v0.10.0 h1:G3eWbSNIskeRqtsN/1uI5B+eP73y3JUuBsv9AZjehb4=
 go.uber.org/goleak v0.10.0/go.mod h1:VCZuO8V8mFPlL0F5J5GK1rtHV3DrFcQ1R8ryq7FK0aI=
 go.uber.org/multierr v1.1.0 h1:HoEmRHQPVSqub6w2z2d2EOVs2fjyFRGyofhKuyDq0QI=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
+golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16 h1:y6ce7gCWtnH+m3dCjzQ1PCuwl28DDIc3VNnvY29DlIA=
+golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=

main.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"log"
 
+	"galched-bot/modules/discord"
 	"galched-bot/modules/grace"
 	"galched-bot/modules/settings"
 
@@ -17,22 +18,41 @@ type (
 		fx.In
 
 		Context  context.Context
-		Settings settings.Settings
+		Discord  *discord.Discord
+		Settings *settings.Settings
 	}
 )
 
 func (s *silentPrinter) Printf(str string, i ...interface{}) {}
 
 func start(p appParam) {
+	var err error
+
 	log.Print("main: starting galched-bot v", p.Settings.Version)
+
+	err = p.Discord.Start()
+	if err != nil {
+		log.Fatal("discord: cannot start instance", err)
+	}
+	log.Print("main: discord instance running")
+	log.Print("main: — — —")
+
 	<-p.Context.Done()
+	log.Print("main: stopping galched-bot")
+
+	err = p.Discord.Stop()
+	if err != nil {
+		log.Fatal("discord: cannot stop instance", err)
+	}
+
+	log.Print("main: galched bot successfully stopped")
 }
 
 func main() {
 	var err error
 	app := fx.New(
 		fx.Logger(new(silentPrinter)),
-		fx.Provide(settings.NewSettings, grace.NewGracefulContext),
+		fx.Provide(settings.New, grace.New, discord.New),
 		fx.Invoke(start))
 
 	err = app.Start(context.Background())

modules/discord/discord.go

@@ -0,0 +1,33 @@
+package discord
+
+import (
+	"fmt"
+
+	"galched-bot/modules/settings"
+
+	"github.com/bwmarrin/discordgo"
+	"github.com/pkg/errors"
+)
+
+type (
+	Discord struct {
+		session *discordgo.Session
+	}
+)
+
+func New(s *settings.Settings) (*Discord, error) {
+	key := fmt.Sprintf("Bot %s", s.DiscordToken)
+	instance, err := discordgo.New(key)
+	if err != nil {
+		return nil, errors.Wrap(err, "cannot create discord instance")
+	}
+	return &Discord{session: instance}, nil
+}
+
+func (d *Discord) Start() error {
+	return d.session.Open()
+}
+
+func (d *Discord) Stop() error {
+	return d.session.Close()
+}

modules/grace/graceful.go

@@ -8,7 +8,7 @@ import (
 	"syscall"
 )
 
-func NewGracefulContext() context.Context {
+func New() context.Context {
 	ctx, cancel := context.WithCancel(context.Background())
 
 	go func() {

modules/settings/settings.go

@@ -1,5 +1,13 @@
 package settings
 
+import (
+	"io/ioutil"
+	"log"
+	"os"
+
+	"github.com/pkg/errors"
+)
+
 const (
 	version          = "3.0.0"
 	discordTokenPath = "./tokens/.discordtoken"
@@ -8,13 +16,19 @@ const (
 type (
 	Settings struct {
 		Version      string
-		DiscordTokenPath string
+		DiscordToken string
 	}
 )
 
-func NewSettings() Settings {
-	return Settings{
-		Version:          version,
-		DiscordTokenPath: discordTokenPath,
+func New() (*Settings, error) {
+	log.Print(os.Getwd())
+	discordToken, err := ioutil.ReadFile(discordTokenPath)
+	if err != nil {
+		return nil, errors.Wrap(err, "cannot read discord token file")
 	}
+
+	return &Settings{
+		Version:      version,
+		DiscordToken: string(discordToken),
+	}, nil
 }