Implement joingroup and leavegroup for commander

Modules/Commander.lua

@@ -146,6 +146,25 @@ function shared.Commander.Init()
 	end
 	local function HelpRu() return helpMessages.ru end
 	local function HelpEn() return helpMessages.en end
+	local groupInviteFrame = CreateFrame("Frame")
+	groupInviteFrame:SetScript("OnEvent", function(self, event, ...)
+		AcceptGroup()
+		groupInviteFrame:UnregisterEvent("PARTY_INVITE_REQUEST")
+		C_Timer.NewTimer(0.1, function()
+			_G["StaticPopup1Button1"]:Click()
+		end, 1)
+	end)
+	local function JoinGroup()
+		groupInviteFrame:RegisterEvent("PARTY_INVITE_REQUEST")
+		C_Timer.NewTimer(10, function()
+			groupInviteFrame:UnregisterEvent("PARTY_INVITE_REQUEST")
+		end, 1)
+		return { "+" }
+	end
+	local function LeaveGroup()
+		LeaveParty()
+		return {}
+	end
 
 	---@class Command
 	---@field keywordRe string
@@ -158,6 +177,8 @@ function shared.Commander.Init()
 		{ keywordRe = "^classes",    commanderOnly = false, callback = CountClassPartitionedStinkies },
 		{ keywordRe = "^help",       commanderOnly = false, callback = HelpRu },
 		{ keywordRe = "^helpen",     commanderOnly = false, callback = HelpEn },
+		{ keywordRe = "^joingroup",  commanderOnly = true,  callback = JoinGroup },
+		{ keywordRe = "^leavegroup", commanderOnly = true,  callback = LeaveGroup },
 	}
 
 	local commanderChannelFrame = CreateFrame("Frame")