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snomanager.go
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snomanager.go
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package irc
import (
"fmt"
"sync"
"github.com/goshuirc/irc-go/ircfmt"
"github.com/oragono/oragono/irc/sno"
)
// SnoManager keeps track of which clients to send snomasks to.
type SnoManager struct {
sendListMutex sync.RWMutex
sendLists map[sno.Mask]map[*Client]bool
}
// NewSnoManager returns a new SnoManager
func NewSnoManager() *SnoManager {
var m SnoManager
m.sendLists = make(map[sno.Mask]map[*Client]bool)
return &m
}
// AddMasks adds the given snomasks to the client.
func (m *SnoManager) AddMasks(client *Client, masks ...sno.Mask) {
m.sendListMutex.Lock()
defer m.sendListMutex.Unlock()
for _, mask := range masks {
currentClientList := m.sendLists[mask]
if currentClientList == nil {
currentClientList = map[*Client]bool{}
}
currentClientList[client] = true
m.sendLists[mask] = currentClientList
}
}
// RemoveMasks removes the given snomasks from the client.
func (m *SnoManager) RemoveMasks(client *Client, masks ...sno.Mask) {
m.sendListMutex.Lock()
defer m.sendListMutex.Unlock()
for _, mask := range masks {
currentClientList := m.sendLists[mask]
if currentClientList == nil || len(currentClientList) == 0 {
continue
}
delete(currentClientList, client)
m.sendLists[mask] = currentClientList
}
}
// RemoveClient removes the given client from all of our lists.
func (m *SnoManager) RemoveClient(client *Client) {
m.sendListMutex.Lock()
defer m.sendListMutex.Unlock()
for mask := range m.sendLists {
currentClientList := m.sendLists[mask]
if currentClientList == nil || len(currentClientList) == 0 {
continue
}
delete(currentClientList, client)
m.sendLists[mask] = currentClientList
}
}
// Send sends the given snomask to all users signed up for it.
func (m *SnoManager) Send(mask sno.Mask, content string) {
m.sendListMutex.RLock()
defer m.sendListMutex.RUnlock()
currentClientList := m.sendLists[mask]
if currentClientList == nil || len(currentClientList) == 0 {
return
}
// make the message
name := sno.NoticeMaskNames[mask]
if name == "" {
name = string(mask)
}
message := fmt.Sprintf(ircfmt.Unescape("$c[grey]-$r%s$c[grey]-$c %s"), name, content)
// send it out
for client := range currentClientList {
client.Notice(message)
}
}
// String returns the snomasks currently enabled.
func (m *SnoManager) String(client *Client) string {
m.sendListMutex.RLock()
defer m.sendListMutex.RUnlock()
var masks string
for mask, clients := range m.sendLists {
for c := range clients {
if c == client {
masks += string(mask)
break
}
}
}
return masks
}