From 1b294c976ac34befa30dcc5febc5cd3c776ed5b7 Mon Sep 17 00:00:00 2001
From: Kiminaze <kiminaze@yahoo.de>
Date: Fri, 26 Jul 2024 03:29:32 +0200
Subject: [PATCH] Added version checker

---
 fxmanifest.lua            |  6 ++++-
 server/versionChecker.lua | 50 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 55 insertions(+), 1 deletion(-)
 create mode 100644 server/versionChecker.lua

diff --git a/fxmanifest.lua b/fxmanifest.lua
index eed750b..f3217a6 100644
--- a/fxmanifest.lua
+++ b/fxmanifest.lua
@@ -4,11 +4,15 @@ games { "gta5" }
 
 author "Philipp Decker"
 description "Allows toggling an orbit camera around a given point or entity."
-version "1.1.0"
+version "1.2.0"
 
 lua54 "yes"
 use_experimental_fxv2_oal "yes"
 
+server_scripts {
+	"server/versionChecker.lua"
+}
+
 client_scripts {
 	"config.lua",
 
diff --git a/server/versionChecker.lua b/server/versionChecker.lua
new file mode 100644
index 0000000..49ced92
--- /dev/null
+++ b/server/versionChecker.lua
@@ -0,0 +1,50 @@
+
+local AUTHOR <const>		= "Kiminaze"
+local RESOURCE_NAME <const>	= "OrbitCam"
+local GITHUB_URL <const>	= "https://api.github.com/repos/%s/%s/releases/latest"
+
+local RENAME_WARNING <const>	= "^3[WARNING] This resource should not be renamed. This can and will lead to errors in the long run.^0"
+local CHECK_FAILED <const>		= "^3[WARNING] Checking for latest version failed! Http Error: %s^0"
+local NEW_VERSION <const>		= "^5[INFO] There is a new version available! Latest version: %s - Your version: %s\nDirect download: %s\nLatest patch notes:\n%s^0"
+
+CreateThread(function()
+	if (RESOURCE_NAME ~= GetCurrentResourceName()) then
+		print(RENAME_WARNING)
+	end
+
+	PerformHttpRequest(GITHUB_URL:format(AUTHOR, RESOURCE_NAME), CheckVersionCallback, "GET")
+end)
+
+local function SplitVersionNumber(version)
+	local nums = {}
+
+	for num in version:gmatch("([^.]+)") do
+		nums[#nums + 1] = tonumber(num)
+	end
+
+	return nums
+end
+
+function CheckVersionCallback(status, response, headers)
+	if (status ~= 200) then
+		print(CHECK_FAILED:format(status))
+		return
+	end
+
+	local latestRelease = json.decode(response)
+
+	local latestVersion = latestRelease.tag_name:gsub("v", "")
+	local currentVersion = GetResourceMetadata(GetCurrentResourceName(), "version", 0)
+
+	if (latestVersion == currentVersion) then return end
+
+	local current = SplitVersionNumber(currentVersion)
+	local latest = SplitVersionNumber(latestVersion)
+
+	for i = 1, #current do
+		if (current[i] < latest[i]) then
+			print(NEW_VERSION:format(latestVersion, currentVersion, latestRelease.assets[1].browser_download_url, latestRelease.body))
+			break
+		end
+	end
+end