/
state.go
157 lines (122 loc) · 2.89 KB
/
state.go
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package gateway
import (
"errors"
"github.com/Goscord/goscord/discord"
"sync"
)
type State struct {
session *Session
mut *sync.RWMutex
Guilds map[string]*discord.Guild
Channels map[string]*discord.Channel
Members map[string]map[string]*discord.Member
}
func NewState(session *Session) *State {
return &State{
session: session,
mut: &sync.RWMutex{},
Guilds: map[string]*discord.Guild{},
Channels: map[string]*discord.Channel{},
Members: map[string]map[string]*discord.Member{},
}
}
// GUILDS
func (s *State) AddGuild(guild *discord.Guild) {
// TODO : Members
if guild.Channels != nil {
for _, channel := range guild.Channels {
s.AddChannel(channel)
}
}
s.mut.Lock()
s.Guilds[guild.Id] = guild
s.mut.Unlock()
}
func (s *State) RemoveGuild(guild *discord.Guild) {
if g, err := s.Guild(guild.Id); err == nil {
if guild.Channels != nil {
for _, channel := range guild.Channels {
s.RemoveChannel(channel)
}
}
s.mut.Lock()
delete(s.Guilds, g.Id)
s.mut.Unlock()
}
}
func (s *State) Guild(id string) (*discord.Guild, error) {
s.mut.RLock()
defer s.mut.RUnlock()
if guild, ok := s.Guilds[id]; ok {
return guild, nil
}
return nil, errors.New("guild not found")
}
// CHANNELS
func (s *State) AddChannel(channel *discord.Channel) {
s.mut.Lock()
s.Channels[channel.Id] = channel
s.mut.Unlock()
}
func (s *State) RemoveChannel(channel *discord.Channel) {
if c, err := s.Channel(channel.Id); err == nil {
s.mut.Lock()
delete(s.Channels, c.Id)
s.mut.Unlock()
}
}
func (s *State) Channel(id string) (*discord.Channel, error) {
s.mut.RLock()
if channel, ok := s.Channels[id]; ok {
s.mut.RUnlock()
return channel, nil
}
s.mut.RUnlock()
channel, _ := s.session.Channel.GetChannel(id)
if channel != nil {
s.AddChannel(channel)
return channel, nil
}
return nil, errors.New("channel not found")
}
// MEMBERS
func (s *State) AddMember(guildID string, member *discord.Member) {
if _, err := s.Guild(guildID); err != nil {
return
}
s.mut.Lock()
if _, ok := s.Members[guildID]; !ok {
s.Members[guildID] = map[string]*discord.Member{}
}
s.Members[guildID][member.User.Id] = member
s.mut.Unlock()
}
func (s *State) RemoveMember(guildID string, member *discord.Member) {
if _, err := s.Guild(guildID); err != nil {
return
}
s.mut.Lock()
if _, ok := s.Members[guildID]; ok {
delete(s.Members[guildID], member.User.Id)
}
s.mut.Unlock()
}
func (s *State) Member(guildID string, userID string) (*discord.Member, error) {
if _, err := s.Guild(guildID); err != nil {
return nil, err
}
s.mut.RLock()
if _, ok := s.Members[guildID]; ok {
if member, ok := s.Members[guildID][userID]; ok {
s.mut.RUnlock()
return member, nil
}
}
s.mut.RUnlock()
member, _ := s.session.Guild.GetMember(guildID, userID)
if member != nil {
s.AddMember(guildID, member)
return member, nil
}
return nil, errors.New("member not found")
}