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roles.go
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roles.go
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package dgrs
import "github.com/bwmarrin/discordgo"
// SetRole sets the given role object to the cache.
func (s *State) SetRole(guildID string, role *discordgo.Role) (err error) {
err = s.set(s.joinKeys(KeyRole, guildID, role.ID), role, s.getLifetime(role))
return
}
// Role tries to retrieve a role by the given guild and role ID.
//
// If no role was found and FetchAndStore is enabled, the object
// will be tried to be retrieved from the API. When this was successful,
// it is stored in the cache and the object is returned.
//
// Otherwise, if the object was not found in the cache and FetchAndStore
// is disabled, nil is returned.
func (s *State) Role(guildID, roleID string) (v *discordgo.Role, err error) {
v = &discordgo.Role{}
ok, err := s.get(s.joinKeys(KeyRole, guildID, roleID), v)
if !ok {
if s.options.FetchAndStore {
var roles []*discordgo.Role
if roles, err = s.fetchRoles(guildID); roles != nil && err == nil {
for _, r := range roles {
if r.ID == roleID {
v = r
break
}
}
}
} else {
v = nil
}
}
return
}
// Roles returns a list of roles which are stored
// in the cache at the given moment on the given guild.
func (s *State) Roles(guildID string, forceFetch ...bool) (v []*discordgo.Role, err error) {
v = make([]*discordgo.Role, 0)
if err = s.list(s.joinKeys(KeyRole, guildID, "*"), &v); err != nil {
return
}
if (len(v) == 0 || optBool(forceFetch)) && s.options.FetchAndStore {
v, err = s.fetchRoles(guildID)
}
return
}
// RemoveRole removes a role object from the cache by the given ID.
func (s *State) RemoveRole(guildID, roleID string) (err error) {
return s.del(s.joinKeys(KeyRole, guildID, roleID))
}
func (s *State) fetchRoles(guildID string) (v []*discordgo.Role, err error) {
if v, err = s.session.GuildRoles(guildID); err == nil {
for _, r := range v {
if err = s.SetRole(guildID, r); err != nil {
return
}
}
}
return
}