fix: systeminformation v5 breaking changes

Made the codes for stats generation a bit more readable.

Usage percentage for file systems will now properly reflect "non-root"
usage percentage in ext2/3/4 file systems.

controllers/utilsController.js

@@ -647,9 +647,8 @@ self.stats = async (req, res, next) => {
     })
 
     const os = await si.osInfo()
-    await Promise.all([
-      (async () => {
-        // System info
+
+    const getSystemInfo = async () => {
       const data = statsData.system
 
       if (!data.cache && data.generating) {
@@ -680,7 +679,7 @@ self.stats = async (req, res, next) => {
           Distro: `${os.distro} ${os.release}`,
           Kernel: os.kernel,
           Scanner: self.clamscan.version || 'N/A',
-            'CPU Load': `${currentLoad.currentload.toFixed(1)}%`,
+          'CPU Load': `${currentLoad.currentLoad.toFixed(1)}%`,
           'CPUs Load': currentLoad.cpus.map(cpu => `${cpu.load.toFixed(1)}%`).join(', '),
           'System Memory': {
             value: {
@@ -708,9 +707,9 @@ self.stats = async (req, res, next) => {
         data.cache = stats[data.title]
         data.generating = false
       }
-      })(),
-      (async () => {
-        // File systems
+    }
+
+    const getFileSystems = async () => {
       const data = statsData.fileSystems
 
       if (!data.cache && data.generating) {
@@ -729,7 +728,8 @@ self.stats = async (req, res, next) => {
           stats[data.title][`${fs.fs} (${fs.type}) on ${fs.mount}`] = {
             value: {
               total: fs.size,
-                used: fs.used
+              used: fs.used,
+              available: fs.available
             },
             type: 'byteUsage'
           }
@@ -739,9 +739,9 @@ self.stats = async (req, res, next) => {
         data.cache = stats[data.title]
         data.generating = false
       }
-      })(),
-      (async () => {
-        // Uploads
+    }
+
+    const getUploadsStats = async () => {
       const data = statsData.uploads
 
       if (!data.cache && data.generating) {
@@ -766,14 +766,14 @@ self.stats = async (req, res, next) => {
           }
         }
 
-          await Promise.all([
-            (async () => {
+        const getTotalCountAndSize = async () => {
           const uploads = await db.table('files')
             .select('size')
           stats[data.title].Total = uploads.length
           stats[data.title]['Size in DB'].value = uploads.reduce((acc, upload) => acc + parseInt(upload.size), 0)
-            })(),
-            (async () => {
+        }
+
+        const getImagesCount = async () => {
           stats[data.title].Images = await db.table('files')
             .where(function () {
               for (const ext of self.imageExts) {
@@ -782,8 +782,9 @@ self.stats = async (req, res, next) => {
             })
             .count('id as count')
             .then(rows => rows[0].count)
-            })(),
-            (async () => {
+        }
+
+        const getVideosCount = async () => {
           stats[data.title].Videos = await db.table('files')
             .where(function () {
               for (const ext of self.videoExts) {
@@ -792,8 +793,9 @@ self.stats = async (req, res, next) => {
             })
             .count('id as count')
             .then(rows => rows[0].count)
-            })(),
-            (async () => {
+        }
+
+        const getAudiosCount = async () => {
           stats[data.title].Audios = await db.table('files')
             .where(function () {
               for (const ext of self.audioExts) {
@@ -802,13 +804,21 @@ self.stats = async (req, res, next) => {
             })
             .count('id as count')
             .then(rows => rows[0].count)
-            })(),
-            (async () => {
+        }
+
+        const getOthersCount = async () => {
           stats[data.title].Temporary = await db.table('files')
             .whereNotNull('expirydate')
             .count('id as count')
             .then(rows => rows[0].count)
-            })()
+        }
+
+        await Promise.all([
+          getTotalCountAndSize(),
+          getImagesCount(),
+          getVideosCount(),
+          getAudiosCount(),
+          getOthersCount()
         ])
 
         stats[data.title].Others = stats[data.title].Total -
@@ -820,9 +830,9 @@ self.stats = async (req, res, next) => {
         data.cache = stats[data.title]
         data.generating = false
       }
-      })(),
-      (async () => {
-        // Users
+    }
+
+    const getUsersStats = async () => {
       const data = statsData.users
 
       if (!data.cache && data.generating) {
@@ -864,9 +874,9 @@ self.stats = async (req, res, next) => {
         data.cache = stats[data.title]
         data.generating = false
       }
-      })(),
-      (async () => {
-        // Albums
+    }
+
+    const getAlbumsStats = async () => {
       const data = statsData.albums
 
       if (!data.cache && data.generating) {
@@ -910,7 +920,14 @@ self.stats = async (req, res, next) => {
         data.cache = stats[data.title]
         data.generating = false
       }
-      })()
+    }
+
+    await Promise.all([
+      getSystemInfo(),
+      getFileSystems(),
+      getUploadsStats(),
+      getUsersStats(),
+      getAlbumsStats()
     ])
 
     return res.json({ success: true, stats, hrtime: process.hrtime(hrstart) })

src/js/dashboard.js

@@ -2934,9 +2934,14 @@ page.getStatistics = (params = {}) => {
               case 'byte':
                 parsed = page.getPrettyBytes(value)
                 break
-              case 'byteUsage':
-                parsed = `${page.getPrettyBytes(value.used)} / ${page.getPrettyBytes(value.total)} (${(value.used / value.total * 100).toFixed(2)}%)`
+              case 'byteUsage': {
+                // Reasoning: https://github.com/sebhildebrandt/systeminformation/issues/464#issuecomment-756406053
+                const totalForPercentage = typeof value.available !== 'undefined'
+                  ? (value.used + value.available)
+                  : value.total
+                parsed = `${page.getPrettyBytes(value.used)} / ${page.getPrettyBytes(value.total)} (${(value.used / totalForPercentage * 100).toFixed(2)}%)`
                 break
+              }
               case 'uptime':
                 parsed = page.getPrettyUptime(value)
                 break