feat: add some feature

src/main/kotlin/cn/rtast/fancybot/util/JsonFileHandler.kt

@@ -0,0 +1,61 @@
+/*
+ * Copyright © 2024 RTAkland
+ * Author: RTAkland
+ * Date: 2024/8/29
+ */
+
+
+package cn.rtast.fancybot.util
+
+import cn.rtast.fancybot.ROOT_PATH
+import cn.rtast.fancybot.gson
+import java.io.File
+
+abstract class JsonFileHandler<T> {
+
+    val file: File
+
+    constructor(filename: String) {
+        this.file = File(ROOT_PATH, filename)
+        initFile(null)
+    }
+
+    constructor(filename: String, defaultConfig: T) {
+        this.file = File(ROOT_PATH, filename)
+        initFile(defaultConfig)
+    }
+
+    private fun initFile(defaultConfig: T?) {
+        val configPath = File(ROOT_PATH)
+        configPath.mkdirs()
+
+        if (this.file.createNewFile()) {
+            if (defaultConfig != null) {
+                this.write(defaultConfig)
+            } else {
+                val resourceConfig = this::class.java.classLoader
+                    .getResourceAsStream(file.name)
+                    ?.reader()?.readText()!!
+                this.write(resourceConfig)
+            }
+        }
+    }
+
+    private fun write(data: String) {
+        this.file.writeText(data)
+    }
+
+    fun write(data: T) {
+        this.write(gson.toJson(data))
+    }
+
+    inline fun <reified T> read(): T {
+        val content = this.file.readText()
+        return content.fromJson()
+    }
+
+    inline fun <reified T> readArray(): T {
+        val content = this.file.readText()
+        return content.fromArrayJson<T>()
+    }
+}