dispatch/storage/channel.go

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2015-01-17 01:37:21 +00:00
package storage
import (
"sync"
)
type ChannelStore struct {
data map[string]map[string][]string
lock sync.Mutex
}
func NewChannelStore() *ChannelStore {
return &ChannelStore{
data: make(map[string]map[string][]string),
}
}
func (c *ChannelStore) GetUsers(server, channel string) []string {
c.lock.Lock()
users := make([]string, len(c.data[server][channel]))
copy(users, c.data[server][channel])
c.lock.Unlock()
return users
}
func (c *ChannelStore) SetUsers(users []string, server, channel string) {
c.lock.Lock()
if _, ok := c.data[server]; !ok {
c.data[server] = make(map[string][]string)
}
c.data[server][channel] = users
c.lock.Unlock()
}
func (c *ChannelStore) AddUser(user, server, channel string) {
c.lock.Lock()
if _, ok := c.data[server]; !ok {
c.data[server] = make(map[string][]string)
}
if users, ok := c.data[server][channel]; ok {
c.data[server][channel] = append(users, user)
} else {
c.data[server][channel] = []string{user}
}
c.lock.Unlock()
}
func (c *ChannelStore) RemoveUser(user, server, channel string) {
c.lock.Lock()
defer c.lock.Unlock()
for i, u := range c.data[server][channel] {
if u == user {
users := c.data[server][channel]
c.data[server][channel] = append(users[:i], users[i+1:]...)
return
}
}
}