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client_manager.go
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/
client_manager.go
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package dev
import (
"time"
"github.com/sjc5/kiruna/internal/common"
)
type ChangeType string
const (
ChangeTypeNormalCSS ChangeType = common.CSSNormalDirName
ChangeTypeCriticalCSS ChangeType = common.CSSCriticalDirName
ChangeTypeOther ChangeType = "other"
ChangeTypeRebuilding ChangeType = "rebuilding"
)
type RefreshFilePayload struct {
ChangeType ChangeType `json:"changeType"`
CriticalCSS string `json:"criticalCss"`
NormalCSSURL string `json:"normalCssUrl"`
At time.Time `json:"at"`
}
// Client represents a single SSE connection
type Client struct {
id string
notify chan<- RefreshFilePayload
}
// ClientManager manages all SSE clients
type ClientManager struct {
clients map[*Client]bool
register chan *Client
unregister chan *Client
broadcast chan RefreshFilePayload
}
func NewClientManager() *ClientManager {
return &ClientManager{
clients: make(map[*Client]bool),
register: make(chan *Client),
unregister: make(chan *Client),
broadcast: make(chan RefreshFilePayload),
}
}
// Start the manager to handle clients and broadcasting
func (manager *ClientManager) start() {
for {
select {
case client := <-manager.register:
manager.clients[client] = true
case client := <-manager.unregister:
if _, ok := manager.clients[client]; ok {
delete(manager.clients, client)
close(client.notify)
}
case msg := <-manager.broadcast:
for client := range manager.clients {
client.notify <- msg
}
}
}
}