Add UnpackState and DownloadState

app/classes/logical/UniversalPath.js

@@ -1,5 +1,6 @@
 const { Injectable } = require('flitter-di')
 const moment = require('moment')
+const path = require('path')
 
 class UniversalPath extends Injectable {
     static get services() {
@@ -56,6 +57,12 @@ class UniversalPath extends Injectable {
         return this.is_file() || this.is_directory()
     }
 
+    async directory() {
+        await this.classify()
+        if ( this.is_directory() ) return this.path
+        return path.dirname(this.path)
+    }
+
     async classify() {
         const dir_result = await this._host.execute(`${this._directory_classify_command} ${this._path}`)
         if ( dir_result.exit_code === 0 ) {