Chattils 1.0.0

1 files changed, 103 insertions, 0 deletions

diff --git a/src/main/kotlin/cc/woverflow/chattils/updater/Updater.kt b/src/main/kotlin/cc/woverflow/chattils/updater/Updater.kt
new file mode 100644
index 0000000..35b6e79
--- /dev/null
+++ b/src/main/kotlin/cc/woverflow/chattils/updater/Updater.kt
@@ -0,0 +1,103 @@
+package cc.woverflow.chattils.updater
+
+import cc.woverflow.chattils.Chattils
+import cc.woverflow.chattils.config.ChattilsConfig
+import gg.essential.api.EssentialAPI
+import gg.essential.api.utils.Multithreading
+import gg.essential.api.utils.WebUtil.downloadToFile
+import gg.essential.api.utils.WebUtil.fetchJSON
+import gg.essential.universal.UDesktop.open
+import net.minecraft.client.Minecraft
+import net.minecraftforge.fml.common.versioning.DefaultArtifactVersion
+import java.io.File
+import java.io.IOException
+
+object Updater {
+    var updateUrl = ""
+    var latestTag: String? = null
+    var shouldUpdate = false
+
+    fun update() {
+        Multithreading.runAsync {
+            try {
+                val latestRelease =
+                    fetchJSON("https://api.github.com/repos/W-OVERFLOW/${Chattils.ID}/releases/latest").getObject()
+                latestTag = latestRelease["tag_name"].asString
+                val currentVersion =
+                    DefaultArtifactVersion(Chattils.VER.substringBefore("-"))
+                val latestVersion = DefaultArtifactVersion(latestTag!!.substringAfter("v").substringBefore("-"))
+                if (currentVersion >= latestVersion) {
+                    if (currentVersion != latestVersion || !Chattils.VER.contains("-")) {
+                        return@runAsync
+                    }
+                }
+                updateUrl =
+                    latestRelease["assets"].asJsonArray[0].asJsonObject["browser_download_url"]
+                        .asString
+                if (updateUrl.isNotEmpty()) {
+                    if (ChattilsConfig.showUpdate) {
+                        EssentialAPI.getNotifications().push(
+                            Chattils.NAME,
+                            "${Chattils.NAME} has a new update ($latestTag)! Click here to download it automatically!"
+                        ) { EssentialAPI.getGuiUtil().openScreen(DownloadGui()) }
+                    }
+                    shouldUpdate = true
+                }
+            } catch (e: Exception) {
+                e.printStackTrace()
+            }
+        }
+    }
+
+    fun download(url: String, file: File): Boolean {
+        var url = url
+        if (file.exists()) return true
+        url = url.replace(" ", "%20")
+        try {
+            downloadToFile(url, file, "${Chattils.NAME}/${Chattils.VER}")
+        } catch (e: Exception) {
+            e.printStackTrace()
+            return false
+        }
+        return file.exists()
+    }
+
+    /**
+     * Adapted from RequisiteLaunchwrapper under LGPLv3
+     * https://github.com/Qalcyo/RequisiteLaunchwrapper/blob/main/LICENSE
+     */
+    fun addShutdownHook() {
+        Runtime.getRuntime().addShutdownHook(Thread {
+            println("Opening Deleter task...")
+            try {
+                val runtime = javaRuntime
+                if (Minecraft.isRunningOnMac) {
+                    open(Chattils.jarFile.parentFile)
+                }
+                val file = File(Chattils.modDir.parentFile, "Deleter-1.2.jar")
+                Runtime.getRuntime()
+                    .exec("\"" + runtime + "\" -jar \"" + file.absolutePath + "\" \"" + Chattils.jarFile.absolutePath + "\"")
+            } catch (e: Exception) {
+                e.printStackTrace()
+            }
+            Thread.currentThread().interrupt()
+        })
+    }
+
+    /**
+     * Gets the current Java runtime being used.
+     *
+     * @link https://stackoverflow.com/a/47925649
+     */
+    @get:Throws(IOException::class)
+    val javaRuntime: String
+        get() {
+            val os = System.getProperty("os.name")
+            val java = System.getProperty("java.home") + File.separator + "bin" + File.separator +
+                    if (os != null && os.lowercase().startsWith("windows")) "java.exe" else "java"
+            if (!File(java).isFile) {
+                throw IOException("Unable to find suitable java runtime at $java")
+            }
+            return java
+        }
+}
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