more work on theme select backend

Zotlabs/Module/Theme_info.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace Zotlabs\Module;
+
+
+class Theme_info extends \Zotlabs\Web\Controller {
+
+	function get() {
+		$theme = argv(1);
+		if(! $theme)
+			killme();
+
+		$theme_config = "";
+		if(($themeconfigfile = $this->get_theme_config_file($theme)) != null){
+			require_once($themeconfigfile);
+			if(class_exists(ucfirst($theme) . 'Config')) {
+				$clsname = ucfirst($theme) . 'Config';
+				$th_config = new $clsname();
+				$schemas = $th_config->get_schemas();
+			}
+			$theme_config = theme_content($a);
+		}
+		$info = get_theme_info($theme);
+		if($info) {
+			// unfortunately there will be no translation for this string
+			$desc    = $info['description'];
+			$version = $info['version'];
+			$credits = $info['credits'];
+		}
+		else {
+			$desc = '';
+			$version = '';
+			$credits = '';
+		}
+
+		$ret = [ 
+			'theme' => $theme, 
+			'img' => get_theme_screenshot($theme), 
+			'desc' => $desc, 
+			'version' => $version, 
+			'credits' => $credits, 
+			'schemas' => $schemas,
+			'config' => $theme_config
+		];
+		json_return_and_die($ret);
+		
+	}
+
+
+	function get_theme_config_file($theme){
+
+		$base_theme = \App::$theme_info['extends'];
+	
+		if (file_exists("view/theme/$theme/php/config.php")){
+			return "view/theme/$theme/php/config.php";
+		} 
+		if (file_exists("view/theme/$base_theme/php/config.php")){
+			return "view/theme/$base_theme/php/config.php";
+		}
+		return null;
+	}
+
+
+}