9 Commits

Author SHA1 Message Date
d09e3fce03 WIP push 2026-01-26 22:27:25 -05:00
7376e8f857 Merge pull request 'new/message-deletes' (#5) from new/message-deletes into main
Reviewed-on: #5
2025-09-08 21:05:53 +00:00
c196e25e0c update readme 2025-09-08 17:02:22 -04:00
d70dd8c3a4 updates
- moved reaction to own file
- added message delete method
2025-09-07 01:10:48 -04:00
6504336d01 Merge pull request 'fix/async' (#4) from fix/async into main
Reviewed-on: #4
2025-08-18 03:25:47 +00:00
a310fd4533 better async handling 2025-08-17 20:45:51 -04:00
eb64bdf803 starting research for vc support 2025-08-17 20:37:22 -04:00
bfe9601cd3 emoji updates 2025-07-16 15:53:22 -04:00
c6d877b101 correcting unicode for built-in bolt emojis 2025-07-16 13:35:39 -04:00
6 changed files with 205 additions and 98 deletions

View File

@@ -44,6 +44,10 @@ The React method will react to the command message by adding the requested emoji
func (m *Message) Respond(res string) error
```
The Respond method will send the value of <b>res</b> in response to the command message.
```go
func Delete() error
```
The Delete method will delete the message from the text channel
### Example
```go

130
bolt.go
View File

@@ -10,6 +10,7 @@ import (
"syscall"
"time"
"code.jakeyoungdev.com/go/lite"
dg "github.com/bwmarrin/discordgo"
)
@@ -22,27 +23,39 @@ const (
dg.IntentMessageContent |
dg.IntentsGuildMessages |
dg.IntentGuildMessageReactions
DEFAULT_DB_NAME = "boltdb"
DB_PATH = "/var/lib/bolt"
)
type Data struct {
//user, which user saved this
//data, does this just go interface?
//date saved?
//expires?
}
// basic bot structure containing discordgo connection as well as the command map
type bolt struct {
*dg.Session //holds discordgo internals
commands map[string]Command //maps trigger phrase to command struct for fast lookup
indicator string //the indicator used to detect whether a message is a command
logLvl LogLevel //determines how much the bot logs
db lite.Database
}
type Bolt interface {
Start() error
AddCommands(cmd ...Command)
Database(file string) error
//filtered methods
stop() error
messageHandler(s *dg.Session, msg *dg.MessageCreate)
handleCommand(msg *dg.MessageCreate, s *dg.Session, server *dg.Guild, channel *dg.Channel, lg int) error
handleCommand(msgEvent *MessageCreateEvent, s *dg.Session, lg int) error
createReply(content, message, channel, guild string) *dg.MessageSend
getRemainingTimeout(timeout time.Time) string
roleCheck(msg *dg.MessageCreate, s *dg.Session, run Command) (bool, error)
timeoutCheck(msg *dg.MessageCreate, s *dg.Session, run Command) (bool, error)
roleCheck(guild string, roles []string, s *dg.Session, run Command) (bool, error)
timeoutCheck(msgID, channelID, guildID string, s *dg.Session, run Command) (bool, error)
}
// create a new bolt interface
@@ -66,7 +79,7 @@ func New(opts ...Option) (Bolt, error) {
//set default command indicator
b.indicator = "."
//apply options to bolt
//apply options
for _, opt := range opts {
opt(b)
}
@@ -74,8 +87,8 @@ func New(opts ...Option) (Bolt, error) {
return b, nil
}
// starts the bot, commands are added and the connection to Discord is opened, this is a BLOCKING
// call that handles safe shutdown of the bot
// starts the bot, commands are added and the connection to Discord is opened, this is a BLOCKING call
// that handles safe shutdown of the bot
func (b *bolt) Start() error {
//register commands and open connection
b.AddHandler(b.messageHandler)
@@ -97,8 +110,26 @@ func (b *bolt) Start() error {
return nil
}
func (b *bolt) Database(file string) error {
if file == "" {
file = DEFAULT_DB_NAME
}
db, err := lite.New(lite.WithFile(file), lite.WithPath(DB_PATH))
if err != nil {
return err
}
b.db = db
return nil
}
// stops the bot
func (b *bolt) stop() error {
if b.db != nil {
b.db.Close()
}
return b.Close()
}
@@ -109,7 +140,8 @@ func (b *bolt) AddCommands(cmd ...Command) {
}
}
// handler function that parses message data and executes any command payloads
// handler function that parses message data, handles logging the message based on logLevel, and executes
// the payload function in a goroutine
func (b *bolt) messageHandler(s *dg.Session, msg *dg.MessageCreate) {
//get server information
server, err := s.Guild(msg.GuildID)
@@ -131,7 +163,7 @@ func (b *bolt) messageHandler(s *dg.Session, msg *dg.MessageCreate) {
//the bot will ignore it's own messages to prevent command loops
if msg.Author.ID == s.State.User.ID {
if b.logLvl == LogLevelCmd {
if b.logLvl == LogLevelCmd || b.logLvl == LogLevelAll {
//log command responses
log.Printf("< %s | %s | %s > %s\n", server.Name, channel.Name, msg.Author.Username, msg.Content)
}
@@ -146,29 +178,42 @@ func (b *bolt) messageHandler(s *dg.Session, msg *dg.MessageCreate) {
//does the message have the command indicator
lg := len(b.indicator)
if msg.Content[:lg] == b.indicator {
err := b.handleCommand(msg, s, server, channel, lg)
mCreate := &MessageCreateEvent{
AuthorUsername: msg.Author.Username,
AuthorID: msg.Author.ID,
AuthorRoles: msg.Member.Roles,
MsgID: msg.ID,
Msg: msg.Content,
MsgChanID: msg.ChannelID,
MsgGuildID: msg.GuildID,
MsgAttachments: msg.Attachments,
}
if b.logLvl == LogLevelCmd {
//log commands
log.Printf("< %s | %s | %s > %s\n", mCreate.MsgGuildName, mCreate.MsgChanName, mCreate.AuthorUsername, mCreate.Msg)
}
//handled in its own goroutine to allow for async commands
go func() {
err := b.handleCommand(mCreate, s, lg)
if err != nil {
log.Println(err)
return
}
}()
}
}
// parses command from message and handles timeout checks, role checks, and command execution. All command responses are sent back to Discord
func (b *bolt) handleCommand(msg *dg.MessageCreate, s *dg.Session, server *dg.Guild, channel *dg.Channel, lg int) error {
if b.logLvl == LogLevelCmd {
//log commands
log.Printf("< %s | %s | %s > %s\n", server.Name, channel.Name, msg.Author.Username, msg.Content)
}
words := strings.Split(msg.Content, " ")
func (b *bolt) handleCommand(msgEvent *MessageCreateEvent, s *dg.Session, lg int) error {
words := strings.Split(msgEvent.Msg, " ")
run, ok := b.commands[words[0][lg:]]
if !ok {
return nil //command doesn't exist, maybe log or respond to author
}
//has command met its timeout requirements
tc, err := b.timeoutCheck(msg, s, run)
tc, err := b.timeoutCheck(msgEvent.MsgID, msgEvent.MsgChanID, msgEvent.MsgGuildID, s, run)
if err != nil {
return fmt.Errorf("failed to calculate timeout for %s\n%e", run.Trigger, err)
}
@@ -178,32 +223,38 @@ func (b *bolt) handleCommand(msg *dg.MessageCreate, s *dg.Session, server *dg.Gu
//does user have correct permissions
if run.Roles != nil {
check, err := b.roleCheck(msg, s, run)
check, err := b.roleCheck(msgEvent.MsgGuildID, msgEvent.AuthorRoles, s, run)
if err != nil {
return fmt.Errorf("failed to perform permission checks for %s\n%e", run.Trigger, err)
}
if !check {
reply := b.createReply("you do not have permissions to run that command", msgEvent.MsgID, msgEvent.MsgChanID, msgEvent.MsgGuildID)
_, err := s.ChannelMessageSendComplex(msgEvent.MsgChanID, reply)
if err != nil {
return err
}
return nil
}
}
//populate message struct exposed to client
plMsg := Message{
Author: msg.Author.Username,
ID: msg.Author.ID,
msgID: msg.ID,
Author: msgEvent.AuthorUsername,
ID: msgEvent.AuthorID,
msgID: msgEvent.MsgID,
Words: words,
Content: msg.Content,
Channel: channel.Name,
channelID: msg.ChannelID,
Server: server.Name,
serverID: server.ID,
Content: msgEvent.Msg,
Channel: msgEvent.MsgChanName,
channelID: msgEvent.MsgChanID,
Server: msgEvent.MsgGuildName,
serverID: msgEvent.MsgGuildID,
sesh: b,
}
//check for file attachments
if len(msg.Attachments) > 0 {
if len(msgEvent.MsgAttachments) > 0 {
var att []MessageAttachment
for _, a := range msg.Attachments {
for _, a := range msgEvent.MsgAttachments {
att = append(att, MessageAttachment{
ID: a.ID,
URL: a.URL,
@@ -268,15 +319,15 @@ func (b *bolt) getRemainingTimeout(timeout time.Time) string {
}
// checks if the author of msg has the correct role to run the requested command
func (b *bolt) roleCheck(msg *dg.MessageCreate, s *dg.Session, run Command) (bool, error) {
func (b *bolt) roleCheck(guild string, roles []string, s *dg.Session, run Command) (bool, error) {
var found bool
//loop thru author roles, there may be a better way to check for this UNION
//TODO: improve role search performance to support bigger lists
for _, r := range msg.Member.Roles {
for _, r := range roles {
//get role name from ID
n, err := s.State.Role(msg.GuildID, r)
n, err := s.State.Role(guild, r)
if err != nil {
return false, fmt.Errorf("failed to get role from ID %s\n%e", msg.GuildID, err)
return false, fmt.Errorf("failed to get role from ID %s\n%e", guild, err)
}
//does this role exist in command roles
check := slices.Contains(run.Roles, n.Name)
@@ -286,13 +337,8 @@ func (b *bolt) roleCheck(msg *dg.MessageCreate, s *dg.Session, run Command) (boo
}
}
//can't find role, don't run command, alert user of missing permissions
//can't find role, don't run command
if !found {
reply := b.createReply("you do not have permissions to run that command", msg.ID, msg.ChannelID, msg.GuildID)
_, err := s.ChannelMessageSendComplex(msg.ChannelID, reply)
if err != nil {
return false, fmt.Errorf("failed to send permission response: %e", err)
}
return false, nil
}
@@ -300,11 +346,11 @@ func (b *bolt) roleCheck(msg *dg.MessageCreate, s *dg.Session, run Command) (boo
}
// check if the command timeout has been met, responding with remaining time if timeout has not been met yet.
func (b *bolt) timeoutCheck(msg *dg.MessageCreate, s *dg.Session, run Command) (bool, error) {
func (b *bolt) timeoutCheck(msgID, channelID, guildID string, s *dg.Session, run Command) (bool, error) {
wait := run.lastRun.Add(run.Timeout)
if !time.Now().After(wait) {
reply := b.createReply(fmt.Sprintf("that command cannot be run for another %s", b.getRemainingTimeout(wait)), msg.ID, msg.ChannelID, msg.GuildID)
_, err := s.ChannelMessageSendComplex(msg.ChannelID, reply)
reply := b.createReply(fmt.Sprintf("that command cannot be run for another %s", b.getRemainingTimeout(wait)), msgID, channelID, guildID)
_, err := s.ChannelMessageSendComplex(channelID, reply)
if err != nil {
return false, fmt.Errorf("failed to send timeout response: %e", err)
}

13
go.mod
View File

@@ -2,10 +2,17 @@ module code.jakeyoungdev.com/jake/bolt
go 1.24.0
require github.com/bwmarrin/discordgo v0.29.0
require (
code.jakeyoungdev.com/go/lite v0.3.0
github.com/bwmarrin/discordgo v0.29.0
)
require (
github.com/gorilla/websocket v1.4.2 // indirect
golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b // indirect
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68 // indirect
github.com/jmoiron/sqlx v1.4.0 // indirect
github.com/ncruces/go-sqlite3 v0.26.1 // indirect
github.com/ncruces/julianday v1.0.0 // indirect
github.com/tetratelabs/wazero v1.9.0 // indirect
golang.org/x/crypto v0.39.0 // indirect
golang.org/x/sys v0.33.0 // indirect
)

26
go.sum
View File

@@ -1,12 +1,34 @@
code.jakeyoungdev.com/go/lite v0.3.0 h1:QJuinHNtb3h+f0Cht1UNzOmUTT7YyaFYCaYAmCHAxMg=
code.jakeyoungdev.com/go/lite v0.3.0/go.mod h1:NadLydJU2G+RsyokYjA/+EnwyNoMujswVwfZ1SQx1+E=
filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
github.com/bwmarrin/discordgo v0.29.0 h1:FmWeXFaKUwrcL3Cx65c20bTRW+vOb6k8AnaP+EgjDno=
github.com/bwmarrin/discordgo v0.29.0/go.mod h1:NJZpH+1AfhIcyQsPeuBKsUtYrRnjkyu0kIVMCHkZtRY=
github.com/go-sql-driver/mysql v1.8.1 h1:LedoTUt/eveggdHS9qUFC1EFSa8bU2+1pZjSRpvNJ1Y=
github.com/go-sql-driver/mysql v1.8.1/go.mod h1:wEBSXgmK//2ZFJyE+qWnIsVGmvmEKlqwuVSjsCm7DZg=
github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b h1:7mWr3k41Qtv8XlltBkDkl8LoP3mpSgBW8BUoxtEdbXg=
github.com/jmoiron/sqlx v1.4.0 h1:1PLqN7S1UYp5t4SrVVnt4nUVNemrDAtxlulVe+Qgm3o=
github.com/jmoiron/sqlx v1.4.0/go.mod h1:ZrZ7UsYB/weZdl2Bxg6jCRO9c3YHl8r3ahlKmRT4JLY=
github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw=
github.com/lib/pq v1.10.9/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
github.com/mattn/go-sqlite3 v1.14.22 h1:2gZY6PC6kBnID23Tichd1K+Z0oS6nE/XwU+Vz/5o4kU=
github.com/mattn/go-sqlite3 v1.14.22/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
github.com/ncruces/go-sqlite3 v0.26.1 h1:lBXmbmucH1Bsj57NUQR6T84UoMN7jnNImhF+ibEITJU=
github.com/ncruces/go-sqlite3 v0.26.1/go.mod h1:XFTPtFIo1DmGCh+XVP8KGn9b/o2f+z0WZuT09x2N6eo=
github.com/ncruces/julianday v1.0.0 h1:fH0OKwa7NWvniGQtxdJRxAgkBMolni2BjDHaWTxqt7M=
github.com/ncruces/julianday v1.0.0/go.mod h1:Dusn2KvZrrovOMJuOt0TNXL6tB7U2E8kvza5fFc9G7g=
github.com/tetratelabs/wazero v1.9.0 h1:IcZ56OuxrtaEz8UYNRHBrUa9bYeX9oVY93KspZZBf/I=
github.com/tetratelabs/wazero v1.9.0/go.mod h1:TSbcXCfFP0L2FGkRPxHphadXPjo1T6W+CseNNY7EkjM=
golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
golang.org/x/crypto v0.39.0 h1:SHs+kF4LP+f+p14esP5jAoDpHU8Gu/v9lFRK6IT5imM=
golang.org/x/crypto v0.39.0/go.mod h1:L+Xg3Wf6HoL4Bn4238Z6ft6KfEpN0tJGo53AAPC632U=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68 h1:nxC68pudNYkKU6jWhgrqdreuFiOQWj1Fs7T3VrH4Pjw=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.33.0 h1:q3i8TbbEz+JRD9ywIRlyRAQbM0qF7hu24q3teo2hbuw=
golang.org/x/sys v0.33.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.26.0 h1:P42AVeLghgTYr4+xUnTRKDMqpar+PtX7KWuNQL21L8M=
golang.org/x/text v0.26.0/go.mod h1:QK15LZJUUQVJxhz7wXgxSy/CJaTFjd0G+YLonydOVQA=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

View File

@@ -1,56 +1,13 @@
package bolt
import "fmt"
import (
"fmt"
//built-in Discord reactions
type Reaction string
const (
ReactionThumbsUp Reaction = ":+1:"
ReactionThumbsDown Reaction = ":-1:"
ReactionHundred Reaction = ":100:"
ReactionHeart Reaction = ":heart:"
ReactionPinkHeart Reaction = ":pink_heart:"
ReactionOrangeHeart Reaction = ":orange_heart:"
ReactionYellowHeart Reaction = ":yellow_heart:"
ReactionGreenHeart Reaction = ":green_heart:"
ReactionBlueHeart Reaction = ":blue_heart:"
ReactionBlackHeart Reaction = ":black_heart:"
ReactionPointUp Reaction = ":point_up:"
ReactionPointDown Reaction = ":point_down:"
ReactionHotdog Reaction = ":hotdog:"
ReactionDog Reaction = ":dog:"
ReactionCat Reaction = ":cat:"
ReactionMonkey Reaction = ":monkey:"
ReactionGiraffe Reaction = ":giraffe:"
ReactionDuck Reaction = ":duck:"
ReactionGoose Reaction = ":goose:"
ReactionWatermelon Reaction = ":watermelon:"
ReactionHoney Reaction = ":honey_pot:"
ReactionSandwich Reaction = ":sandwich:"
ReactionPepper Reaction = ":hot_pepper:"
ReactionNoPedestrians Reaction = ":no_pedestrian:"
ReactionExclamation Reaction = ":exclamation:"
ReactionDoubleExclamation Reaction = ":bangbang:"
ReactionSkull Reaction = ":skull:"
ReactionSpeakingHead Reaction = ":speaking_head:"
ReactionGreenCheck Reaction = ":white_check_mark:"
dg "github.com/bwmarrin/discordgo"
)
// information about attachments to messages
type MessageAttachment struct {
ID string
URL string
ProxyURL string
Filename string
ContentType string
Width int
Height int
Size int
DurationSecs float64
}
// represents a Discord message
// the message struct is passed to the command payload providing basic
// message information and needed methods
type Message struct {
Author string //username of message author
ID string //discord ID of message author
@@ -70,9 +27,42 @@ func (m *Message) React(emoji Reaction) error {
return m.sesh.MessageReactionAdd(m.channelID, m.msgID, fmt.Sprint(emoji))
}
// sends the value of res in response to the message
// sends response to message
func (m *Message) Respond(res string) error {
rep := m.sesh.createReply(res, m.msgID, m.channelID, m.serverID)
_, err := m.sesh.ChannelMessageSendComplex(m.channelID, rep)
return err
}
// deletes the message from the channel
func (m *Message) Delete() error {
return m.sesh.ChannelMessageDelete(m.channelID, m.msgID, nil)
}
// this struct has all of the needed information from the messageCreate event so that
// commands can be run asynchronously. Passing the messageCreate to payloads can block routines
type MessageCreateEvent struct {
AuthorUsername string
AuthorID string
AuthorRoles []string
MsgID string
Msg string
MsgChanID string
MsgChanName string
MsgGuildID string
MsgGuildName string
MsgAttachments []*dg.MessageAttachment
}
// message attachment details
type MessageAttachment struct {
ID string
URL string
ProxyURL string
Filename string
ContentType string
Width int
Height int
Size int
DurationSecs float64
}

38
reaction.go Normal file
View File

@@ -0,0 +1,38 @@
package bolt
// built-in Discord reactions
type Reaction string
// a few easy-to-use emojis, Discordgo/Discord API requires them to be saved like this.
const (
ReactionThumbsUp Reaction = "👍"
ReactionThumbsDown Reaction = "👎"
ReactionHundred Reaction = "💯"
ReactionHeart Reaction = "❤️"
ReactionPinkHeart Reaction = "🩷"
ReactionOrangeHeart Reaction = "🧡"
ReactionYellowHeart Reaction = "💛"
ReactionGreenHeart Reaction = "💚"
ReactionBlueHeart Reaction = "💙"
ReactionBlackHeart Reaction = "🖤"
ReactionPointUp Reaction = "☝️"
ReactionPointDown Reaction = "👇"
ReactionHotdog Reaction = "🌭"
ReactionDog Reaction = "🐶"
ReactionCat Reaction = "🐱"
ReactionMonkey Reaction = "🐒"
ReactionGiraffe Reaction = "🦒"
ReactionDuck Reaction = "🦆"
ReactionGoose Reaction = "🪿"
ReactionWatermelon Reaction = "🍉"
ReactionHoney Reaction = "🍯"
ReactionSandwich Reaction = "🥪"
ReactionPepper Reaction = "🌶️"
ReactionNoPedestrians Reaction = "🚷"
ReactionExclamation Reaction = "❗"
ReactionDoubleExclamation Reaction = "‼️"
ReactionSkull Reaction = "💀"
ReactionSpeakingHead Reaction = "🗣️"
ReactionGreenCheck Reaction = "✅"
ReactionDragon Reaction = "🐉"
)