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session.go
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session.go
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package dgplus
import (
"fmt"
"github.com/bwmarrin/discordgo"
"os"
"os/signal"
"strings"
"syscall"
)
type DGPSession struct {
DGSession *discordgo.Session
CommandsCaseSensitive bool
RequirePrefix bool // Whether a message should be checked for CommandPrefix
CommandPrefix string // ignored if RequirePrefix false
Commands []*Command
}
func (s *DGPSession) RegisterCommand(name string, aliases []string, ignoreCaseSensitive bool, ignoreRequirePrefix bool, handler func(*MessageCreateData)) (cmd *Command, e error) {
cmd = &Command{name, aliases, ignoreCaseSensitive, ignoreRequirePrefix, handler}
// check if existing commands contain new commands name or alias
for _, c := range s.Commands {
if strings.EqualFold(c.Name, name) {
em := fmt.Sprintf("command name (%s) already exists", name)
e = fmt.Errorf(em)
return
}
for _, alias := range c.Aliases {
if strings.EqualFold(alias, name) {
em := fmt.Sprintf("command name (%s) already exists as alias", name)
e = fmt.Errorf(em)
return
}
for _, alias2 := range aliases {
if strings.EqualFold(alias, alias2) {
em := fmt.Sprintf("command alias (%s) already exists as alias", alias2)
e = fmt.Errorf(em)
}
}
}
}
// check if new commands aliases contain the commands name
for _, alias := range aliases {
if strings.EqualFold(alias, name) {
e = fmt.Errorf("command aliases should not contain command name")
return
}
}
s.Commands = append(s.Commands, cmd)
fmt.Printf("Loaded command: %s", cmd.Name)
return cmd, nil
}
// Open sets intents to IntentsAllWithoutPrivileged, adds the command message handler, and opens the session
func (s *DGPSession) Open() error {
s.DGSession.Identify.Intents = discordgo.IntentsAllWithoutPrivileged
s.DGSession.AddHandler(messageHandler(s))
return s.DGSession.Open()
}
// Notify wraps the channel notify code necessary for the bot into a method.
// Prints a using fmt.Println
func (s *DGPSession) Notify(a ...interface{}) {
sc := make(chan os.Signal, 1)
signal.Notify(sc, syscall.SIGINT, syscall.SIGTERM, os.Interrupt, os.Kill)
if a != nil {
fmt.Println(a)
}
<-sc
}
func (s *DGPSession) Close() error {
return s.DGSession.Close()
}