Code refactor

handlers/handlers.go

@@ -0,0 +1,60 @@
+package handlers
+
+import (
+	"sync"
+
+	config "git.zio.sh/astra/telegram-approval-join/config"
+	api "github.com/OvyFlash/telegram-bot-api"
+)
+
+const (
+	AdminJoinRequestMsg = "New join #request from %s [<code>%d</code>]\n\n<b>Join reason</b>: %s"
+	AdminApprovedMsg    = "✅ Join #request approved for %s [<code>%d</code>]\n\n<b>Join reason</b>: %s\n<b>Approved by</b>: %s\n<b>Approved at</b>: %s"
+	AdminDeclinedMsg    = "❌ Join #request declined for %s [<code>%d</code>]\n\n<b>Join reason</b>: %s\n<b>Declined by</b>: %s\n<b>Declined at</b>: %s\n<b>Declined reason</b>: %s"
+	AdminFailedMsg      = "⚠️ Join #request failed for %s [<code>%d</code>]\n\n<b>Join reason</b>: %s\n<b>Failure reason</b>: %s"
+	BotApprovalEnabled  = "Join approval bot enabled, to get started, add the bot to the target group and make it an admin with invite permissions, then use <code>/targetchat &lt;chat_id&gt;</code> to add the group to the config.\n\nTo set the entry message that users will receive when they request to join, use <code>/setentrymessage &lt;entry_message&gt;</code> in the admin chat. You can use HTML formatting in the entry message."
+	BotAddedToGroup     = "Hello! I help out with join approvals.\n\nTo get started, make sure this bot is added to the admin group where it will send join approvals to be accepted or declined, then type /request when you have done that."
+	BotRequestMsg       = "You have requested this chat to be the admin chat, please wait for it to be activated."
+)
+
+// Types shared by handler files
+type ExtendedChatJoinRequest struct {
+	*api.ChatJoinRequest
+	JoinReason           string
+	JoinRequestMessageID int
+}
+
+type Bot struct {
+	API                *api.BotAPI
+	Config             config.Config
+	mu                 sync.RWMutex
+	WaitingForApproval map[int64]*ExtendedChatJoinRequest
+}
+
+// GetPendingUser retrieves a pending user request (read-safe).
+func (bot *Bot) GetPendingUser(userID int64) *ExtendedChatJoinRequest {
+	bot.mu.RLock()
+	defer bot.mu.RUnlock()
+	user := bot.WaitingForApproval[userID]
+	if user == nil {
+		return nil
+	}
+	return user
+}
+
+// SetPendingUser stores a pending user request (write-safe).
+func (bot *Bot) SetPendingUser(userID int64, user *ExtendedChatJoinRequest) {
+	bot.mu.Lock()
+	defer bot.mu.Unlock()
+	if _, ok := bot.WaitingForApproval[userID]; !ok {
+		bot.WaitingForApproval = make(map[int64]*ExtendedChatJoinRequest)
+	}
+	bot.WaitingForApproval[userID] = user
+}
+
+// DeletePendingUser removes a pending user request (write-safe).
+func (bot *Bot) DeletePendingUser(userID int64) {
+	bot.mu.Lock()
+	defer bot.mu.Unlock()
+	delete(bot.WaitingForApproval, userID)
+}