/
manager.go
76 lines (67 loc) · 1.79 KB
/
manager.go
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package notify
import (
"errors"
"fmt"
"sync"
err "github.com/baderkha/notify-go/pkg/thirdparty/err"
)
var (
errExpectedAlias = errors.New("notify-go : Error expected an alias mapping to be provided")
)
func Default() *Manager {
msg := new(Manager)
msg.AddSender(DiscordSenderType, NewDiscordSender())
msg.AddSender(SlackSenderType, NewSlackSender())
return msg
}
// Manager : A manager for all the sender type implementations
type Manager struct {
senders map[string]MessageSender
mu sync.Mutex
}
// AddSender : add a sender service
// Try to use this only during your app's init phase
// preferably
func (m *Manager) AddSender(senderType string, s MessageSender) {
m.mu.Lock()
defer m.mu.Unlock()
if m.senders == nil {
m.senders = make(map[string]MessageSender)
}
m.senders[senderType] = s
}
// SendAll : concurrently sends messages to all the senders given a reciver alias address map
func (m *Manager) SendAll(alias *RecieverAlias, bodyContent []byte) error {
if alias == nil {
return errExpectedAlias
}
var wg sync.WaitGroup
var erList err.List
for k, v := range m.senders {
wg.Add(1)
go func(body []byte, alias *RecieverAlias, senderType string, v MessageSender) {
defer wg.Done()
reciever := alias.Get(senderType)
if reciever == "" {
return
}
err := v.Send(reciever, body)
if err != nil {
erList.Push(err)
}
}(bodyContent, alias, k, v)
}
wg.Wait()
if erList.Len() > 0 {
return erList.Err()
}
return nil
}
// SendToSpecificType : allows you to access the Send Method
func (m *Manager) SendToSpecificType(senderType, reciever string, bodyContent []byte) error {
sender := m.senders[senderType]
if sender == nil {
return fmt.Errorf("notify-go : Message Manager : Expected %s to be setup", senderType)
}
return sender.Send(reciever, bodyContent)
}