discord: send error message when inv construction fails

code to generate an invite code w/ a non-integer first character was
reused a bunch, so it's now function GenerateInviteCode().

api-invites.go

@@ -17,6 +17,18 @@ const (
 	CAPTCHA_VALIDITY = 20 * 60 // Seconds
 )
 
+// GenerateInviteCode generates an invite code in the correct format.
+func GenerateInviteCode() string {
+	// make sure code doesn't begin with number
+	inviteCode := shortuuid.New()
+	_, err := strconv.Atoi(string(inviteCode[0]))
+	for err == nil {
+		inviteCode = shortuuid.New()
+		_, err = strconv.Atoi(string(inviteCode[0]))
+	}
+	return inviteCode
+}
+
 func (app *appContext) checkInvites() {
 	currentTime := time.Now()
 	for _, data := range app.storage.GetInvites() {
@@ -150,14 +162,8 @@ func (app *appContext) GenerateInvite(gc *gin.Context) {
 	currentTime := time.Now()
 	validTill := currentTime.AddDate(0, req.Months, req.Days)
 	validTill = validTill.Add(time.Hour*time.Duration(req.Hours) + time.Minute*time.Duration(req.Minutes))
-	// make sure code doesn't begin with number
-	inviteCode := shortuuid.New()
-	_, err := strconv.Atoi(string(inviteCode[0]))
-	for err == nil {
-		inviteCode = shortuuid.New()
-		_, err = strconv.Atoi(string(inviteCode[0]))
-	}
 	var invite Invite
+	invite.Code = GenerateInviteCode()
 	if req.Label != "" {
 		invite.Label = req.Label
 	}
@@ -185,7 +191,7 @@ func (app *appContext) GenerateInvite(gc *gin.Context) {
 	if req.SendTo != "" && app.config.Section("invite_emails").Key("enabled").MustBool(false) {
 		addressValid := false
 		discord := ""
-		app.debug.Printf("%s: Sending invite message", inviteCode)
+		app.debug.Printf("%s: Sending invite message", invite.Code)
 		if discordEnabled && !strings.Contains(req.SendTo, "@") {
 			users := app.discord.GetUsers(req.SendTo)
 			if len(users) == 0 {
@@ -202,10 +208,10 @@ func (app *appContext) GenerateInvite(gc *gin.Context) {
 			invite.SendTo = req.SendTo
 		}
 		if addressValid {
-			msg, err := app.email.constructInvite(inviteCode, invite, app, false)
+			msg, err := app.email.constructInvite(invite.Code, invite, app, false)
 			if err != nil {
 				invite.SendTo = fmt.Sprintf("Failed to send to %s", req.SendTo)
-				app.err.Printf("%s: Failed to construct invite message: %v", inviteCode, err)
+				app.err.Printf("%s: Failed to construct invite message: %v", invite.Code, err)
 			} else {
 				var err error
 				if discord != "" {
@@ -215,9 +221,9 @@ func (app *appContext) GenerateInvite(gc *gin.Context) {
 				}
 				if err != nil {
 					invite.SendTo = fmt.Sprintf("Failed to send to %s", req.SendTo)
-					app.err.Printf("%s: %s: %v", inviteCode, invite.SendTo, err)
+					app.err.Printf("%s: %s: %v", invite.Code, invite.SendTo, err)
 				} else {
-					app.info.Printf("%s: Sent invite email to \"%s\"", inviteCode, req.SendTo)
+					app.info.Printf("%s: Sent invite email to \"%s\"", invite.Code, req.SendTo)
 				}
 			}
 		}
@@ -229,7 +235,7 @@ func (app *appContext) GenerateInvite(gc *gin.Context) {
 			invite.Profile = "Default"
 		}
 	}
-	app.storage.SetInvitesKey(inviteCode, invite)
+	app.storage.SetInvitesKey(invite.Code, invite)
 	respondBool(200, true, gc)
 }
 

api-profiles.go

@@ -1,11 +1,9 @@
 package main
 
 import (
-	"strconv"
 	"time"
 
 	"github.com/gin-gonic/gin"
-	"github.com/lithammer/shortuuid/v3"
 	"github.com/timshannon/badgerhold/v4"
 )
 
@@ -151,13 +149,7 @@ func (app *appContext) EnableReferralForProfile(gc *gin.Context) {
 	}
 
 	// Generate new code for referral template
-	inv.Code = shortuuid.New()
-	// make sure code doesn't begin with number
-	_, err := strconv.Atoi(string(inv.Code[0]))
-	for err == nil {
-		inv.Code = shortuuid.New()
-		_, err = strconv.Atoi(string(inv.Code[0]))
-	}
+	inv.Code = GenerateInviteCode()
 	inv.Created = time.Now()
 	inv.ValidTill = inv.Created.Add(REFERRAL_EXPIRY_DAYS * 24 * time.Hour)
 	inv.IsReferral = true

api-userpage.go

@@ -3,13 +3,11 @@ package main
 import (
 	"net/http"
 	"os"
-	"strconv"
 	"strings"
 	"time"
 
 	"github.com/gin-gonic/gin"
 	"github.com/golang-jwt/jwt"
-	"github.com/lithammer/shortuuid/v3"
 	"github.com/timshannon/badgerhold/v4"
 )
 
@@ -673,13 +671,7 @@ func (app *appContext) GetMyReferral(gc *gin.Context) {
 			respondBool(400, false, gc)
 			return
 		}
-		inv.Code = shortuuid.New()
-		// make sure code doesn't begin with number
-		_, err := strconv.Atoi(string(inv.Code[0]))
-		for err == nil {
-			inv.Code = shortuuid.New()
-			_, err = strconv.Atoi(string(inv.Code[0]))
-		}
+		inv.Code = GenerateInviteCode()
 		inv.Created = time.Now()
 		inv.ValidTill = inv.Created.Add(REFERRAL_EXPIRY_DAYS * 24 * time.Hour)
 		inv.IsReferral = true
@@ -689,13 +681,7 @@ func (app *appContext) GetMyReferral(gc *gin.Context) {
 		// 3. We found an invite for us, but it's expired.
 		//    We delete it from storage, and put it back with a fresh code and expiry.
 		app.storage.DeleteInvitesKey(inv.Code)
-		inv.Code = shortuuid.New()
-		// make sure code doesn't begin with number
-		_, err := strconv.Atoi(string(inv.Code[0]))
-		for err == nil {
-			inv.Code = shortuuid.New()
-			_, err = strconv.Atoi(string(inv.Code[0]))
-		}
+		inv.Code = GenerateInviteCode()
 		inv.Created = time.Now()
 		inv.ValidTill = inv.Created.Add(REFERRAL_EXPIRY_DAYS * 24 * time.Hour)
 		app.storage.SetInvitesKey(inv.Code, inv)

api-users.go

@@ -3,14 +3,12 @@ package main
 import (
 	"fmt"
 	"os"
-	"strconv"
 	"strings"
 	"time"
 
 	"github.com/gin-gonic/gin"
 	"github.com/golang-jwt/jwt"
 	"github.com/hrfee/mediabrowser"
-	"github.com/lithammer/shortuuid/v3"
 	"github.com/timshannon/badgerhold/v4"
 )
 
@@ -707,13 +705,7 @@ func (app *appContext) EnableReferralForUsers(gc *gin.Context) {
 
 		// 2. Generate referral invite.
 		inv := baseInv
-		inv.Code = shortuuid.New()
-		// make sure code doesn't begin with number
-		_, err := strconv.Atoi(string(inv.Code[0]))
-		for err == nil {
-			inv.Code = shortuuid.New()
-			_, err = strconv.Atoi(string(inv.Code[0]))
-		}
+		inv.Code = GenerateInviteCode()
 		inv.Created = time.Now()
 		inv.ValidTill = inv.Created.Add(REFERRAL_EXPIRY_DAYS * 24 * time.Hour)
 		inv.IsReferral = true

discord.go

@@ -3,11 +3,9 @@ package main
 import (
 	"fmt"
 	"strings"
-	"strconv"
 	"time"
 
 	dg "github.com/bwmarrin/discordgo"
-	"github.com/lithammer/shortuuid/v3"
 	"github.com/timshannon/badgerhold/v4"
 )
 
@@ -349,34 +347,41 @@ func (d *DiscordDaemon) registerCommands() {
 				{
 					Type:        dg.ApplicationCommandOptionUser,
 					Name:        "user",
-					Description: "User to Invite",
+					Description: "User to Invite.",
 					Required:    true,
-				},	//	running with just one option for now to mesh with what we've got, also may have the syntax wrong here
-				/*{
+				},
+				{
 					Type:        dg.ApplicationCommandOptionInteger,
-					Name:        "expire after",
-					Description: "Time in minutes before expiration",
+					Name:        "expiry",
+					Description: "Time in minutes before expiration.",
 					Required:    false,
 				},
+				/* Label should be automatically set to something like "Discord invite for @username"
 				{
 					Type:        dg.ApplicationCommandOptionString,
 					Name:        "label",
-					Description: "Label to apply to the user created with this invite",
+					Description: "Label given to this invite (shown on the Admin page)",
+					Required:    false,
+				}, */
+				{
+					Type:        dg.ApplicationCommandOptionString,
+					Name:        "user_label",
+					Description: "Label given to users created with this invite.",
 					Required:    false,
 				},
 				{
 					Type:        dg.ApplicationCommandOptionString,
 					Name:        "profile",
-					Description: "Profile to apply to the user created with this invite",
+					Description: "Profile to apply. Restart jfa-go if there's any missing.",
 					Required:    false,
-				}, */
+				},
 			},
 		},
 	}
 	commands[1].Options[0].Choices = make([]*dg.ApplicationCommandOptionChoice, len(d.app.storage.lang.Telegram))
 	i := 0
 	for code := range d.app.storage.lang.Telegram {
-		d.app.debug.Printf("Registering choice \"%s\":\"%s\"\n", d.app.storage.lang.Telegram[code].Meta.Name, code)
+		d.app.debug.Printf("Discord: registering lang choice \"%s\":\"%s\"\n", d.app.storage.lang.Telegram[code].Meta.Name, code)
 		commands[1].Options[0].Choices[i] = &dg.ApplicationCommandOptionChoice{
 			Name:  d.app.storage.lang.Telegram[code].Meta.Name,
 			Value: code,
@@ -384,6 +389,17 @@ func (d *DiscordDaemon) registerCommands() {
 		i++
 	}
 
+	// FIXME: Maybe make this reload when profiles change
+	profiles := d.app.storage.GetProfiles()
+	commands[3].Options[3].Choices = make([]*dg.ApplicationCommandOptionChoice, len(profiles))
+	for i, profile := range profiles {
+		d.app.debug.Printf("Discord: registering profile choice \"%s\"", profile.Name)
+		commands[3].Options[3].Choices[i] = &dg.ApplicationCommandOptionChoice{
+			Name:  profile.Name,
+			Value: profile.Name,
+		}
+	}
+
 	// d.deregisterCommands()
 
 	d.commandIDs = make([]string, len(commands))
@@ -409,7 +425,7 @@ func (d *DiscordDaemon) deregisterCommands() {
 		return
 	}
 	for _, cmd := range existingCommands {
-		if err := d.bot.ApplicationCommandDelete(d.bot.State.User.ID, "", cmd.ID); err != nil {
+		if err := d.bot.ApplicationCommandDelete(d.bot.State.User.ID, d.guildID, cmd.ID); err != nil {
 			d.app.err.Printf("Failed to deregister command: %v", err)
 		}
 	}
@@ -539,82 +555,120 @@ func (d *DiscordDaemon) cmdLang(s *dg.Session, i *dg.InteractionCreate, lang str
 
 func (d *DiscordDaemon) cmdInvite(s *dg.Session, i *dg.InteractionCreate, lang string) {
 	channel, err := s.UserChannelCreate(i.Interaction.Member.User.ID)
-	requestor := d.MustGetUser(channel.ID, i.Interaction.Member.User.ID, i.Interaction.Member.User.Discriminator, i.Interaction.Member.User.Username)
-	d.users[i.Interaction.Member.User.ID] = requestor
-	invuser := fmt.Sprintf("%v", i.ApplicationCommandData().Options[0].Value)
-	d.app.debug.Println(invuser)
+	if err != nil {
+		d.app.err.Printf("Discord: Failed to create private channel with \"%s\": %v", i.Interaction.Member.User.Username, err)
+		return
+	}
+	requester := d.MustGetUser(channel.ID, i.Interaction.Member.User.ID, i.Interaction.Member.User.Discriminator, i.Interaction.Member.User.Username)
+	d.users[i.Interaction.Member.User.ID] = requester
+	recipient := i.ApplicationCommandData().Options[0].UserValue(s)
+	// d.app.debug.Println(invuser)
 	//label := i.ApplicationCommandData().Options[2].StringValue()
 	//profile := i.ApplicationCommandData().Options[3].StringValue()
 	//mins, err := strconv.Atoi(i.ApplicationCommandData().Options[1].StringValue())
-	expmin := 30
 	//if mins > 0 {
 	//	expmin = mins
 	//}
 	//	Check whether requestor is linked to the admin account
-	requestoremail, ok := d.app.storage.GetEmailsKey(requestor.JellyfinID)
+	requesterEmail, ok := d.app.storage.GetEmailsKey(requester.JellyfinID)
 	if !ok {
 		d.app.err.Printf("Failed to verify admin")
 	}
-	if !requestoremail.Admin {
+	if !requesterEmail.Admin {
 		d.app.err.Printf("User is not admin")
 		//add response message
 		return
 	}
-	//	variation of app.GenerateInvite, some parts commented to potentially add back in later with the other command options
-	//d.app.debug.Println("Generating new invite with options: %s: %i: %s: %s", invuser, expmin, profile, label)
-	currentTime := time.Now()
-	validTill := currentTime.Add(time.Minute*time.Duration(expmin))
-	// make sure code doesn't begin with number
-	inviteCode := shortuuid.New()
-	_, err = strconv.Atoi(string(inviteCode[0]))
-	for err == nil {
-		inviteCode = shortuuid.New()
-		_, err = strconv.Atoi(string(inviteCode[0]))
+
+	var expiryMinutes int64 = 30
+	userLabel := ""
+	profileName := ""
+
+	for i, opt := range i.ApplicationCommandData().Options {
+		if i == 0 {
+			continue
+		}
+		switch opt.Name {
+		case "expiry":
+			expiryMinutes = opt.IntValue()
+		case "user_label":
+			userLabel = opt.StringValue()
+		case "profile":
+			profileName = opt.StringValue()
+		}
 	}
-	var invite Invite
-	//if label != "" {
-	//	invite.Label = label
-	//}
-	invite.Created = currentTime
-	invite.RemainingUses = 1
-	invite.UserExpiry = false
-	/*if invite.UserExpiry {
-		invite.UserMonths = req.UserMonths
-		invite.UserDays = req.UserDays
-		invite.UserHours = req.UserHours
-		invite.UserMinutes = req.UserMinutes
-	}*/
-	invite.ValidTill = validTill
-	if invuser != "" && d.app.config.Section("invite_emails").Key("enabled").MustBool(false) {
-		d.app.debug.Printf("%s: Sending invite message", inviteCode)
-		invname, err := d.bot.GuildMember(d.guildID, invuser)
+
+	currentTime := time.Now()
+
+	validTill := currentTime.Add(time.Minute * time.Duration(expiryMinutes))
+
+	invite := Invite{
+		Code:          GenerateInviteCode(),
+		Created:       currentTime,
+		RemainingUses: 1,
+		UserExpiry:    false,
+		ValidTill:     validTill,
+		UserLabel:     userLabel,
+		Profile:       "Default",
+		Label:         fmt.Sprintf("Discord: %s", RenderDiscordUsername(recipient)),
+	}
+	if profileName != "" {
+		if _, ok := d.app.storage.GetProfileKey(profileName); ok {
+			invite.Profile = profileName
+		}
+	}
+
+	if recipient != nil && d.app.config.Section("invite_emails").Key("enabled").MustBool(false) {
+		d.app.debug.Printf("%s: Sending invite message", invite.Code)
+		invname, err := d.bot.GuildMember(d.guildID, recipient.ID)
 		invite.SendTo = invname.User.Username
-		msg, err := d.app.email.constructInvite(inviteCode, invite, d.app, false)
+		msg, err := d.app.email.constructInvite(invite.Code, invite, d.app, false)
 		if err != nil {
-			invite.SendTo = fmt.Sprintf("Failed to send to %s", invuser)
-			d.app.err.Printf("%s: Failed to construct invite message: %v", inviteCode, err)
-			//add response message
+			invite.SendTo = fmt.Sprintf("Failed to send to %s", RenderDiscordUsername(recipient))
+			d.app.err.Printf("%s: Failed to construct invite message: %v", invite.Code, err)
+			err := s.InteractionRespond(i.Interaction, &dg.InteractionResponse{
+				Type: dg.InteractionResponseChannelMessageWithSource,
+				Data: &dg.InteractionResponseData{
+					Content: d.app.storage.lang.Telegram[lang].Strings.get("sentInviteFailure"),
+					Flags:   64, // Ephemeral
+				},
+			})
+			if err != nil {
+				d.app.err.Printf("Discord: Failed to send message to \"%s\": %v", RenderDiscordUsername(requester), err)
+			}
 		} else {
 			var err error
-			err = d.app.discord.SendDM(msg, invuser)
+			err = d.app.discord.SendDM(msg, recipient.ID)
 			if err != nil {
-				invite.SendTo = fmt.Sprintf("Failed to send to %s", invuser)
-				d.app.err.Printf("%s: %s: %v", inviteCode, invite.SendTo, err)
-				//add response message
+				invite.SendTo = fmt.Sprintf("Failed to send to %s", RenderDiscordUsername(recipient))
+				d.app.err.Printf("%s: %s: %v", invite.Code, invite.SendTo, err)
+				err := s.InteractionRespond(i.Interaction, &dg.InteractionResponse{
+					Type: dg.InteractionResponseChannelMessageWithSource,
+					Data: &dg.InteractionResponseData{
+						Content: d.app.storage.lang.Telegram[lang].Strings.get("sentInviteFailure"),
+						Flags:   64, // Ephemeral
+					},
+				})
+				if err != nil {
+					d.app.err.Printf("Discord: Failed to send message to \"%s\": %v", RenderDiscordUsername(requester), err)
+				}
 			} else {
-				d.app.info.Printf("%s: Sent invite email to \"%s\"", inviteCode, invuser)
-				//add response message
+				d.app.info.Printf("%s: Sent invite email to \"%s\"", invite.Code, RenderDiscordUsername(recipient))
+				err := s.InteractionRespond(i.Interaction, &dg.InteractionResponse{
+					Type: dg.InteractionResponseChannelMessageWithSource,
+					Data: &dg.InteractionResponseData{
+						Content: d.app.storage.lang.Telegram[lang].Strings.get("sentInvite"),
+						Flags:   64, // Ephemeral
+					},
+				})
+				if err != nil {
+					d.app.err.Printf("Discord: Failed to send message to \"%s\": %v", RenderDiscordUsername(requester), err)
+				}
 			}
 		}
 	}
 	//if profile != "" {
-	//	if _, ok := d.app.storage.GetProfileKey(profile); ok {
-	//		invite.Profile = profile
-	//	} else {
-	//		invite.Profile = "Default"
-	//	}
-	//}
-	d.app.storage.SetInvitesKey(inviteCode, invite)
+	d.app.storage.SetInvitesKey(invite.Code, invite)
 }
 
 func (d *DiscordDaemon) messageHandler(s *dg.Session, m *dg.MessageCreate) {

lang/admin/hu-hu.json

@@ -1,6 +1,6 @@
 {
     "meta": {
-        "name": "Angol (US)"
+        "name": "Magyar (HU)"
     },
     "strings": {
         "invites": "Meghívások",

lang/common/hu-hu.json

@@ -1,6 +1,6 @@
 {
     "meta": {
-        "name": "Angol (US)"
+        "name": "Magyar (HU)"
     },
     "strings": {
         "login": "Belépés",

lang/email/hu-hu.json

@@ -1,6 +1,6 @@
 {
     "meta": {
-        "name": "Angol (US)"
+        "name": "Magyar (HU)"
     },
     "strings": {
         "ifItWasNotYou": "",

lang/form/hu-hu.json

@@ -1,6 +1,6 @@
 {
     "meta": {
-        "name": "Angol (US)"
+        "name": "Magyar (HU)"
     },
     "strings": {
         "pageTitle": "Jellyfin fiók létrehozása",

lang/pwreset/hu-hu.json

@@ -1,6 +1,6 @@
 {
     "meta": {
-        "name": "Angol (US)"
+        "name": "Magyar (HU)"
     },
     "strings": {
         "passwordReset": "Jelszó visszaállítás",

lang/setup/hu-hu.json

@@ -1,6 +1,6 @@
 {
     "meta": {
-        "name": "Angol (US)"
+        "name": "Magyar (HU)"
     },
     "strings": {
         "pageTitle": "Telepítés - jfa-go",

lang/telegram/en-us.json

@@ -11,6 +11,8 @@
         "languageMessage": "Note: See available languages with {command}, and set language with {command} <language code>.",
         "languageMessageDiscord": "Note: set your language with /lang <language name>.",
         "languageSet": "Language set to {language}.",
-        "discordDMs": "Please check your DMs for a response."
+        "discordDMs": "Please check your DMs for a response.",
+        "sentInvite": "Sent invite.",
+        "sentInviteFailure": "Failed to send invite, check logs."
     }
 }

lang/telegram/hu-hu.json

@@ -1,6 +1,6 @@
 {
     "meta": {
-        "name": "Angol (US)"
+        "name": "Magyar (HU)"
     },
     "strings": {
         "startMessage": "Helló!\nAdd meg a Jellyfin PIN kódodat itt, hogy megerősítsd a fiókodat.",