POE Api: Logout from api (#1092)

Co-authored-by: justjuangui <servicios@juacarvajal.com>

Author: justjuangui

src/Classes/ImportTab.lua

@@ -28,6 +28,21 @@ local ImportTabClass = newClass("ImportTab", "ControlHost", "Control", function(
 	self.controls.charImportStatusLabel = new("LabelControl", {"TOPLEFT",self.controls.sectionCharImport,"TOPLEFT"}, {6, 14, 200, 16}, function()
 		return "^7Character import status: "..(type(self.charImportStatus) == "function" and self.charImportStatus() or self.charImportStatus)
 	end)
+
+	self.controls.logoutApiButton = new("ButtonControl", {"TOPLEFT",self.controls.charImportStatusLabel,"TOPRIGHT"}, {4, 0, 200, 16}, "^7Logout from Path of Exile API", function()
+		main.lastToken = nil
+		self.api.authToken = nil
+		main.lastRefreshToken = nil
+		self.api.refreshToken = nil
+		main.tokenExpiry = nil
+		self.api.tokenExpiry = nil
+		main:SaveSettings()
+		self.charImportMode = "AUTHENTICATION"
+		self.charImportStatus = colorCodes.WARNING.."Not authenticated"
+	end)
+	self.controls.logoutApiButton.shown = function()
+		return self.charImportMode == "SELECTCHAR" and self.api.authToken ~= nil
+	end
 
 	self.controls.characterImportAnchor = new("Control", {"TOPLEFT",self.controls.sectionCharImport,"TOPLEFT"}, {6, 40, 200, 16})
 	self.controls.sectionCharImport.height = function() return self.charImportMode == "AUTHENTICATION" and 60 or 200 end