discord: retry auth/command register, do latter in bulk

re-use the auth retry options from the config for initial d.bot.Open and
for registering commands. The latetr is now done with the BulkOverwrite
    method, since it seems to work now. For #427.

common/common.go

@@ -11,6 +11,7 @@ import (
 	"net/http"
 	"net/url"
 	"strings"
+	"time"
 
 	lm "github.com/hrfee/jfa-go/logmessages"
 )
@@ -155,3 +156,11 @@ func decodeResp(resp *http.Response) (string, error) {
 	}
 	return buf.String(), nil
 }
+
+// MustAuthenticateOptions is used to control the behaviour of the MustAuthenticate-like methods.
+type MustAuthenticateOptions struct {
+	RetryCount  int           // Number of Retries before failure.
+	RetryGap    time.Duration // Duration to wait between tries.
+	LogFailures bool          // Whether or not to print failures to the log.
+	Counter     int           // The current retry count.
+}

discord.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	dg "github.com/bwmarrin/discordgo"
+	"github.com/hrfee/jfa-go/common"
 	lm "github.com/hrfee/jfa-go/logmessages"
 	"github.com/timshannon/badgerhold/v4"
 )
@@ -28,6 +29,7 @@ type DiscordDaemon struct {
 	commandHandlers               map[string]func(s *dg.Session, i *dg.InteractionCreate, lang string)
 	commandIDs                    []string
 	commandDescriptions           []*dg.ApplicationCommand
+	retryOpts                     *common.MustAuthenticateOptions
 }
 
 func newDiscordDaemon(app *appContext) (*DiscordDaemon, error) {
@@ -59,6 +61,16 @@ func newDiscordDaemon(app *appContext) (*DiscordDaemon, error) {
 		dd.users[user.ID] = user
 	}
 
+	dd.retryOpts = &common.MustAuthenticateOptions{
+		RetryCount:  app.config.Section("advanced").Key("auth_retry_count").MustInt(6),
+		RetryGap:    time.Duration(app.config.Section("advanced").Key("auth_retry_gap").MustInt(10)) * time.Second,
+		LogFailures: true,
+	}
+
+	dd.bot.AddHandler(dd.commandHandler)
+
+	dd.bot.Identify.Intents = dg.IntentsGuildMessages | dg.IntentsDirectMessages | dg.IntentsGuildMembers | dg.IntentsGuildInvites
+
 	return dd, nil
 }
 
@@ -99,13 +111,27 @@ func (d *DiscordDaemon) MustGetUser(channelID, userID, discrim, username string)
 	return d.NewUnknownUser(channelID, userID, discrim, username)
 }
 
-func (d *DiscordDaemon) run() {
-	d.bot.AddHandler(d.commandHandler)
+func (d *DiscordDaemon) Run() {
+	ro := common.MustAuthenticateOptions{}
+	ro = *d.retryOpts
+	ro.Counter = 0
+	d.run(&ro)
+}
 
-	d.bot.Identify.Intents = dg.IntentsGuildMessages | dg.IntentsDirectMessages | dg.IntentsGuildMembers | dg.IntentsGuildInvites
+func (d *DiscordDaemon) run(retry *common.MustAuthenticateOptions) {
 	if err := d.bot.Open(); err != nil {
-		d.app.err.Printf(lm.FailedStartDaemon, lm.Discord, err)
-		return
+		if retry == nil || retry.LogFailures {
+			d.app.err.Printf(lm.FailedStartDaemon, lm.Discord, err)
+		}
+		if retry != nil {
+			retry.Counter += 1
+			if retry.Counter >= retry.RetryCount {
+				return
+			}
+			time.Sleep(retry.RetryGap)
+			d.run(retry)
+			return
+		}
 	}
 	// Wait for everything to populate, it's slow sometimes.
 	for d.bot.State == nil {
@@ -135,15 +161,18 @@ func (d *DiscordDaemon) run() {
 			d.InviteChannel.Name = invChannel
 		}
 	}
-	err = d.bot.UpdateGameStatus(0, "/"+d.app.config.Section("discord").Key("start_command").MustString("start"))
+	d.bot.UpdateGameStatus(0, "/"+d.app.config.Section("discord").Key("start_command").MustString("start"))
 	defer d.deregisterCommands()
 	defer d.bot.Close()
 
-	go d.registerCommands()
+	ro := common.MustAuthenticateOptions{}
+	ro = *(d.retryOpts)
+	ro.Counter = 0
+
+	go d.registerCommands(&ro)
 
 	<-d.ShutdownChannel
 	d.ShutdownChannel <- "Down"
-	return
 }
 
 // ListRoles returns a list of available (excluding bot and @everyone) roles in a guild as a list of containing an array of the guild ID and its name.
@@ -333,7 +362,7 @@ func (d *DiscordDaemon) Shutdown() {
 	close(d.ShutdownChannel)
 }
 
-func (d *DiscordDaemon) registerCommands() {
+func (d *DiscordDaemon) registerCommands(retry *common.MustAuthenticateOptions) {
 	d.commandDescriptions = []*dg.ApplicationCommand{
 		{
 			Name:        d.app.config.Section("discord").Key("start_command").MustString("start"),
@@ -430,7 +459,27 @@ func (d *DiscordDaemon) registerCommands() {
 	// if err != nil {
 	// 	d.app.err.Printf("Discord: Cannot create commands: %v", err)
 	// }
-	for i, cmd := range d.commandDescriptions {
+
+	cCommands, err := d.bot.ApplicationCommandBulkOverwrite(d.bot.State.User.ID, d.guildID, d.commandDescriptions)
+	if err != nil {
+		if retry == nil || retry.LogFailures {
+			d.app.err.Printf(lm.FailedRegisterDiscordCommand, "*", err)
+		}
+		if retry != nil {
+			retry.Counter += 1
+			if retry.Counter >= retry.RetryCount {
+				return
+			}
+			time.Sleep(retry.RetryGap)
+			d.registerCommands(retry)
+		}
+	} else {
+		for i := range len(d.commandDescriptions) {
+			d.commandIDs[i] = cCommands[i].ID
+		}
+		d.app.debug.Printf(lm.RegisterDiscordCommand, "*")
+	}
+	/* for i, cmd := range d.commandDescriptions {
 		command, err := d.bot.ApplicationCommandCreate(d.bot.State.User.ID, d.guildID, cmd)
 		if err != nil {
 			d.app.err.Printf(lm.FailedRegisterDiscordCommand, cmd.Name, err)
@@ -438,7 +487,7 @@ func (d *DiscordDaemon) registerCommands() {
 			d.app.debug.Printf(lm.RegisterDiscordCommand, cmd.Name)
 			d.commandIDs[i] = command.ID
 		}
-	}
+	} */
 }
 
 func (d *DiscordDaemon) deregisterCommands() {

main.go

@@ -542,7 +542,7 @@ func start(asDaemon, firstCall bool) {
 				discordEnabled = false
 			} else {
 				app.debug.Println(lm.InitDiscord)
-				go app.discord.run()
+				go app.discord.Run()
 				defer app.discord.Shutdown()
 				app.contactMethods = append(app.contactMethods, app.discord)
 			}