fix imports

use FSInfo struct for esp8266

interface/src/system/SystemStatusForm.tsx

@@ -27,7 +27,7 @@ interface SystemStatusFormState {
 
 type SystemStatusFormProps = AuthenticatedContextProps & RestFormProps<SystemStatus>;
 
-function formatNumber(num: number){
+function formatNumber(num: number) {
   return new Intl.NumberFormat().format(num);
 }
 
@@ -93,18 +93,19 @@ class SystemStatusForm extends Component<SystemStatusFormProps, SystemStatusForm
           </ListItemAvatar>
           <ListItemText primary="Flash Chip (Size / Speed)" secondary={formatNumber(data.flash_chip_size) + ' bytes / ' + (data.flash_chip_speed / 1000000).toFixed(0) + ' MHz'} />
         </ListItem>
+        <Divider variant="inset" component="li" />
         <ListItem >
           <ListItemAvatar>
             <Avatar>
               <StorageIcon />
             </Avatar>
           </ListItemAvatar>
-          <ListItemText primary="SPIFFS (Used / Total | Free)" secondary={formatNumber(data.spiffs_used) + ' / ' + formatNumber(data.spiffs_size) + ' bytes | '+ formatNumber(data.spiffs_size-data.spiffs_used) + ' bytes free'} />
-        </ListItem>        
+          <ListItemText primary="SPIFFS (Used / Total)" secondary={formatNumber(data.spiffs_used) + ' / ' + formatNumber(data.spiffs_total) + ' bytes (' + formatNumber(data.spiffs_total - data.spiffs_used) + ' bytes free)'} />
+        </ListItem>
         <Divider variant="inset" component="li" />
       </Fragment>
     );
-  } 
+  }
 
   renderRestartDialog() {
     return (

interface/src/system/types.ts

@@ -8,8 +8,8 @@ export interface SystemStatus {
   sdk_version: string;
   flash_chip_size: number;
   flash_chip_speed: number;
-  spiffs_size:number;
-  spiffs_used:number;
+  spiffs_used: number;
+  spiffs_total: number;
 }
 
 export interface OTASettings {

lib/framework/SystemStatus.cpp

@@ -1,9 +1,4 @@
 #include <SystemStatus.h>
-#ifdef ESP32
-#include <SPIFFS.h>
-#elif defined(ESP8266)
-#include <FS.h>
-#endif
 
 SystemStatus::SystemStatus(AsyncWebServer* server, SecurityManager* securityManager) {
   server->on(SYSTEM_STATUS_SERVICE_PATH,
@@ -29,8 +24,17 @@ void SystemStatus::systemStatus(AsyncWebServerRequest* request) {
   root["sdk_version"] = ESP.getSdkVersion();
   root["flash_chip_size"] = ESP.getFlashChipSize();
   root["flash_chip_speed"] = ESP.getFlashChipSpeed();
+
+#ifdef ESP32
+  root["spiffs_total"] = SPIFFS.totalBytes();
   root["spiffs_used"] = SPIFFS.usedBytes();
-  root["spiffs_size"] = SPIFFS.totalBytes();
+#elif defined(ESP8266)
+  FSInfo fs_info;
+  SPIFFS.info(fs_info);
+  root["spiffs_total"] = fs_info.totalBytes;
+  root["spiffs_used"] = fs_info.usedBytes;
+#endif
+
   response->setLength();
   request->send(response);
 }

lib/framework/SystemStatus.h

@@ -4,9 +4,11 @@
 #ifdef ESP32
 #include <WiFi.h>
 #include <AsyncTCP.h>
+#include <SPIFFS.h>
 #elif defined(ESP8266)
 #include <ESP8266WiFi.h>
 #include <ESPAsyncTCP.h>
+#include <FS.h>
 #endif
 
 #include <ArduinoJson.h>