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cchat-discord/internal/discord/session/session.go

141 lines
3.5 KiB
Go

package session
import (
"context"
"github.com/diamondburned/arikawa/gateway"
"github.com/diamondburned/arikawa/session"
"github.com/diamondburned/cchat"
"github.com/diamondburned/cchat-discord/internal/discord/folder"
"github.com/diamondburned/cchat-discord/internal/discord/guild"
"github.com/diamondburned/cchat-discord/internal/discord/state"
"github.com/diamondburned/cchat-discord/internal/urlutils"
"github.com/diamondburned/cchat/text"
"github.com/diamondburned/cchat/utils/empty"
"github.com/diamondburned/ningen"
"github.com/pkg/errors"
)
var ErrMFA = session.ErrMFA
type Session struct {
empty.Session
*state.Instance
}
func NewFromInstance(i *state.Instance) (cchat.Session, error) {
return &Session{Instance: i}, nil
}
func (s *Session) ID() cchat.ID {
return s.UserID.String()
}
func (s *Session) Name() text.Rich {
u, err := s.Store.Me()
if err != nil {
// This shouldn't happen, ever.
return text.Rich{Content: "<@" + s.UserID.String() + ">"}
}
return text.Rich{Content: u.Username + "#" + u.Discriminator}
}
func (s *Session) AsIconer() cchat.Iconer { return s }
func (s *Session) Icon(ctx context.Context, iconer cchat.IconContainer) (func(), error) {
u, err := s.Me()
if err != nil {
return nil, errors.Wrap(err, "Failed to get the current user")
}
// Thanks to arikawa, AvatarURL is never empty.
iconer.SetIcon(urlutils.AvatarURL(u.AvatarURL()))
return s.AddHandler(func(*gateway.UserUpdateEvent) {
// Bypass the event and use the state cache.
if u, err := s.Store.Me(); err == nil {
iconer.SetIcon(urlutils.AvatarURL(u.AvatarURL()))
}
}), nil
}
func (s *Session) Disconnect() error {
return s.Close()
}
func (s *Session) AsSessionSaver() cchat.SessionSaver { return s.Instance }
func (s *Session) Servers(container cchat.ServersContainer) error {
// Reset the entire container when the session is closed.
s.AddHandler(func(*session.Closed) {
container.SetServers(nil)
})
// Set the entire container again once reconnected.
s.AddHandler(func(*ningen.Connected) {
s.servers(container)
})
return s.servers(container)
}
func (s *Session) servers(container cchat.ServersContainer) error {
switch {
// If the user has guild folders:
case len(s.Ready.Settings.GuildFolders) > 0:
// TODO: account for missing guilds.
var toplevels = make([]cchat.Server, 0, len(s.Ready.Settings.GuildFolders))
for _, guildFolder := range s.Ready.Settings.GuildFolders {
// TODO: correct.
switch {
case guildFolder.ID != 0:
fallthrough
case len(guildFolder.GuildIDs) > 1:
toplevels = append(toplevels, folder.New(s.Instance, guildFolder))
case len(guildFolder.GuildIDs) == 1:
g, err := guild.NewFromID(s.Instance, guildFolder.GuildIDs[0])
if err != nil {
continue
}
toplevels = append(toplevels, g)
}
}
container.SetServers(toplevels)
// If the user doesn't have guild folders but has sorted their guilds
// before:
case len(s.Ready.Settings.GuildPositions) > 0:
var guilds = make([]cchat.Server, 0, len(s.Ready.Settings.GuildPositions))
for _, id := range s.Ready.Settings.GuildPositions {
g, err := guild.NewFromID(s.Instance, id)
if err != nil {
continue
}
guilds = append(guilds, g)
}
container.SetServers(guilds)
// None of the above:
default:
g, err := s.Guilds()
if err != nil {
return err
}
var servers = make([]cchat.Server, len(g))
for i := range g {
servers[i] = guild.New(s.Instance, &g[i])
}
container.SetServers(servers)
}
return nil
}