Warning modal for low disk space. <10GB produces a warning

backend/settings/settings.go

@@ -7,6 +7,7 @@ import (
 	"os"
 	"path/filepath"
 
+	psUtilDisk "github.com/shirou/gopsutil/v3/disk"
 	"github.com/spf13/viper"
 	wailsRuntime "github.com/wailsapp/wails/v2/pkg/runtime"
 
@@ -328,6 +329,23 @@ func ValidateCacheDir(dir string) error {
 	return nil
 }
 
+// GetCacheDirDiskSpaceLeft returns the amount of disk space left on the cache directory's disk in bytes
+func (s *settings) GetCacheDirDiskSpaceLeft() (uint64, error) {
+	cacheDir := s.GetCacheDir()
+	err := ValidateCacheDir(cacheDir)
+
+	if err != nil {
+		return 0, fmt.Errorf("cache directory to check space on failed to validate: %w", err)
+	} else {
+		usage, err := psUtilDisk.Usage(cacheDir)
+		if err != nil {
+			return 0, fmt.Errorf("failed to get disk free space: %w", err)
+		} else {
+			return usage.Free, nil
+		}
+	}
+}
+
 func moveCacheDir(newDir string) error {
 	if newDir == viper.GetString("cache-dir") {
 		return nil

cspell.json

@@ -17,6 +17,7 @@
         "Maximised",
         "Minimised",
         "mircearoata",
+        "noclose",
         "Nyan",
         "smmanager",
         "smmprofile",

frontend/src/App.svelte

@@ -25,12 +25,12 @@
   import { getModalStore, initializeModalStore } from '$lib/skeletonExtensions';
   import { installs, invalidInstalls, progress } from '$lib/store/ficsitCLIStore';
   import { error, expandedMod, siteURL } from '$lib/store/generalStore';
-  import { konami, language, updateCheckMode } from '$lib/store/settingsStore';
+  import { cacheDir, konami, language, updateCheckMode } from '$lib/store/settingsStore';
   import { smmUpdate, smmUpdateReady } from '$lib/store/smmUpdateStore';
   import { ExpandMod, UnexpandMod } from '$wailsjs/go/app/app';
   import { NeedsSmm2Migration } from '$wailsjs/go/migration/migration';
-  import { GetNewUserSetupComplete } from '$wailsjs/go/settings/settings';
-  import { Environment, EventsOn, LogError } from '$wailsjs/runtime';
+  import { GetCacheDirDiskSpaceLeft, GetNewUserSetupComplete } from '$wailsjs/go/settings/settings';
+  import { Environment, EventsOn } from '$wailsjs/runtime';
 
   initializeStores();
   initializeModalStore();
@@ -142,11 +142,23 @@
           meta: {
             persistent: true,
           },
-        });      
+        });
       }
     }
   }
-  
+
+  cacheDir.subscribe((cacheDirectory) => {
+    GetCacheDirDiskSpaceLeft().then((spaceLeftBytes) => {
+      if (spaceLeftBytes < 10e9) {
+        const spaceLeftGbReadable = (spaceLeftBytes * 1e-9).toFixed(1);
+        $error = `The drive your cache directory is on (${cacheDirectory}) is very low on disk space (Only ~${spaceLeftGbReadable} GB left). Please free up some space or move the cache directory to another drive in the Mod Manager Settings.`;
+      }
+    }).catch((err) => {
+      $error = `failed to check cache directory disk space left: ${err}`;
+    });
+  });
+
+
   $: if ($smmUpdateReady && $updateCheckMode === 'ask') {
     modalStore.trigger({
       type: 'component',