From 715300129b349f80cfffa081204c4e8ce05e0095 Mon Sep 17 00:00:00 2001
From: Fernando-A-Rocha <frocha2001@gmail.com>
Date: Thu, 1 Aug 2024 12:49:21 +0100
Subject: [PATCH] add update checker

---
 newmodels_reborn/meta.xml                     |  3 +
 .../update_checker/s_update_checker.lua       | 85 +++++++++++++++++++
 2 files changed, 88 insertions(+)
 create mode 100644 newmodels_reborn/optional/update_checker/s_update_checker.lua

diff --git a/newmodels_reborn/meta.xml b/newmodels_reborn/meta.xml
index 27bab91..156bba5 100644
--- a/newmodels_reborn/meta.xml
+++ b/newmodels_reborn/meta.xml
@@ -33,6 +33,9 @@
     <!-- ............................................................................... -->
     <!-- OPTIONAL THINGS: .............................................................. -->
 
+    <!-- Update Checker (RECOMMENDED, please keep this to be warned of new releases!) -->
+    <script src="optional/update_checker/s_update_checker.lua" type="server"/>
+
     <!-- Debugging / Testing -->
     <script src="optional/debug/c_debug.lua" type="client"/>
     <script src="optional/debug/s_debug.lua" type="server"/>
diff --git a/newmodels_reborn/optional/update_checker/s_update_checker.lua b/newmodels_reborn/optional/update_checker/s_update_checker.lua
new file mode 100644
index 0000000..41762b1
--- /dev/null
+++ b/newmodels_reborn/optional/update_checker/s_update_checker.lua
@@ -0,0 +1,85 @@
+local function outputInfo(msg, isOK)
+    outputServerLog("[" .. getResourceName(resource) .. "] " .. msg)
+    if not isOK then
+        outputDebugString(msg, 2)
+    end
+end
+
+local function fetchLatestCallback(data, info)
+    if not (data and info and info.success == true) then
+        outputInfo("Could not get data from GitHub")
+        return
+    end
+
+    data = fromJSON(data)
+    if not data then
+        outputInfo("Could not parse data from GitHub")
+        return
+    end
+
+    -- fetch version from data
+    local version = data.tag_name
+    if not version then
+        outputInfo("Could not get version from GitHub data")
+        outputInfo(inspect(data))
+        return
+    end
+
+    -- compare versions
+    local currentVersion = getResourceInfo(resource, "version")
+    if not currentVersion then
+        outputInfo("Could not get resource version")
+        return
+    end
+
+    local foundEqual = false
+    local tryStrings = { currentVersion, "v" .. currentVersion } -- check for v prefix
+    for _, str in pairs(tryStrings) do
+        if str == version then
+            foundEqual = true
+            break
+        end
+    end
+
+    if foundEqual then
+        outputInfo("You are running the latest version: " .. currentVersion, true)
+        return
+    end
+
+    -- check if version is superior than currentVersion
+    local currentVersionParts = split(currentVersion, ".")
+    local currentVersionPartsCount = #currentVersionParts
+    local versionParts = split(version, ".")
+    local versionPartsCount = #versionParts
+
+    versionParts[1] = versionParts[1]:gsub("v", "")
+
+    if currentVersionPartsCount > versionPartsCount then
+        versionPartsCount = currentVersionPartsCount
+    end
+
+    -- check if version is inferior than currentVersion
+    local inferior = true
+    for i = 1, versionPartsCount do
+        if tonumber(currentVersionParts[i]) > tonumber(versionParts[i]) then
+            inferior = false
+            break
+        end
+    end
+
+    if inferior then
+        outputInfo("You are running an inferior version of this resource (" .. currentVersion .. ")")
+        outputInfo("Get the latest from: " .. data.html_url)
+        return
+    end
+
+    outputInfo("You are running an unknown version of this resource (" .. currentVersion .. ")")
+end
+
+addEventHandler("onResourceStart", resourceRoot, function()
+    fetchRemote("https://api.github.com/repos/Fernando-A-Rocha/mta-add-models/releases/latest", {
+        queueName = "newmodels_updater",
+        connectionAttempts = 3,
+        connectTimeout = 5000,
+    }, fetchLatestCallback)
+end, false)