clone systems apps to the extent possible, auto-configure imagick thumbnail binary during setup if possible

include/channel.php

@@ -948,6 +948,18 @@ function identity_basic_export($channel_id, $sections = null) {
 			}
 			$ret['app'] = $r;
 		}
+		$r = q("select * from app where app_channel = %d and app_system = 1",
+			intval($channel_id)
+		);
+		if($r) {
+			for($x = 0; $x < count($r); $x ++) {
+				$r[$x]['term'] = q("select * from term where otype = %d and oid = %d",
+					intval(TERM_OBJ_APP),
+					intval($r[$x]['id'])
+				);
+			}
+			$ret['sysapp'] = $r;
+		}
 	}
 
 	if(in_array('chatrooms',$sections)) {

include/import.php

@@ -147,7 +147,9 @@ function import_config($channel, $configs) {
 		foreach($configs as $config) {
 			unset($config['id']);
 			$config['uid'] = $channel['channel_id'];
-
+			if($config['cat'] === 'system' && $config['k'] === 'import_system_apps') {
+				continue;
+			}
 			create_table_from_array('pconfig', $config);
 		}
 
@@ -364,6 +366,9 @@ function import_apps($channel, $apps) {
 	if($channel && $apps) {
 		foreach($apps as $app) {
 
+			if(array_key_exists('app_system',$app) && intval($app['app_system']))
+				continue;
+
 			$term = ((array_key_exists('term',$app) && is_array($app['term'])) ? $app['term'] : null);
 
 			unset($app['id']);
@@ -413,6 +418,9 @@ function sync_apps($channel, $apps) {
 			$exists = false;
 			$term = ((array_key_exists('term',$app)) ? $app['term'] : null);
 
+			if(array_key_exists('app_system',$app) && intval($app['app_system']))
+				continue;
+
 			$x = q("select * from app where app_id = '%s' and app_channel = %d limit 1",
 				dbesc($app['app_id']),
 				intval($channel['channel_id'])
@@ -504,6 +512,84 @@ function sync_apps($channel, $apps) {
 	}
 }
 
+
+
+/**
+ * @brief Import system apps.
+ * System apps from the original server may not exist on this system 
+ *   (e.g. apps associated with addons that are not installed here).
+ *   Check the system apps that were provided in the import file to see if they
+ *   exist here and if so, install them locally. Preserve categories that
+ *   might have been added by this channel on the other server.
+ *   Do not use any paths from the original as they will point to a different server. 
+ * @param array $channel
+ * @param array $apps
+ */
+function import_sysapps($channel, $apps) {
+
+	if($channel && $apps) {
+
+		$sysapps = \Zotlabs\Lib\Apps::get_system_apps(false);
+
+		foreach($apps as $app) {
+
+			if(array_key_exists('app_system',$app) && (! intval($app['app_system'])))
+				continue;
+
+			$term = ((array_key_exists('term',$app) && is_array($app['term'])) ? $app['term'] : null);
+
+			foreach($sysapps as $sysapp) {
+				if($app['app_id'] === hash('whirlpool',$sysapp['app_name'])) {
+					// install this app on this server
+					$newapp = $sysapp;
+					$newapp['uid'] = $channel['channel_id'];
+					$newapp['guid'] = hash('whirlpool',$newapp['name']);
+
+					$installed = q("select id from app where app_id = '%s' and app_channel = %d limit 1",
+						dbesc($newapp['guid']),
+						intval($channel['channel_id'])
+					);
+					if($installed) {
+						break;
+					}
+
+					$newapp['system'] = 1;
+					if($term) {
+						$s = EMPTY_STR;
+						foreach($term as $t) {
+							if($s) {
+								$s .= ',';
+							}
+							$s .= $t['term'];
+						}
+						$newapp['categories'] = $s;
+					}
+					\Zotlabs\Lib\Apps::app_install($channel['channel_id'],$newapp);
+				}
+			}
+		}
+	}
+}
+
+/**
+ * @brief Sync system apps.
+ *
+ * @param array $channel
+ * @param array $apps
+ */
+function sync_sysapps($channel, $apps) {
+
+	if($channel && $apps) {
+
+		// we do not currently sync system apps
+
+	}
+}
+
+
+
+
+
 /**
  * @brief Import chatrooms.
  *