opt.: battery status

lib/data/model/app/shell_func.dart

@@ -220,7 +220,7 @@ const _statusCmds = [
   'cat /sys/class/thermal/thermal_zone*/temp',
   'hostname',
   'cat /proc/diskstats',
-  'cat /sys/class/power_supply/*/uevent',
+  'for f in /sys/class/power_supply/*/uevent; do cat "\$f"; echo; done',
   'nvidia-smi -q -x',
 ];
 

lib/data/model/server/battery.dart

@@ -17,14 +17,14 @@ class Battery {
   final BatteryStatus status;
   final String? name;
   final int? cycle;
-  final int? powerNow;
+  final String? tech;
 
   const Battery({
     required this.status,
     this.percent,
     this.name,
     this.cycle,
-    this.powerNow,
+    this.tech,
   });
 
   factory Battery.fromRaw(String raw) {
@@ -38,16 +38,25 @@ class Battery {
 
     final capacity = map['POWER_SUPPLY_CAPACITY']; // 30%
     final cycle = map['POWER_SUPPLY_CYCLE_COUNT']; // 30
-    final powerNow = map['POWER_SUPPLY_POWER_NOW']; // 30W
+
+    var name = map['POWER_SUPPLY_MODEL_NAME'];
+    name ??= map['POWER_SUPPLY_NAME'];
 
     return Battery(
       percent: capacity == null ? null : int.tryParse(capacity),
       status: BatteryStatus.parse(map['POWER_SUPPLY_STATUS']),
-      name: map['POWER_SUPPLY_MODEL_NAME'],
+      name: name,
       cycle: cycle == null ? null : int.tryParse(cycle),
-      powerNow: powerNow == null ? null : int.tryParse(powerNow),
+      tech: map['POWER_SUPPLY_TECHNOLOGY'],
     );
   }
+
+  @override
+  String toString() {
+    return 'Battery{$percent, $status, $name, $cycle}';
+  }
+
+  bool get isLiPoly => tech == 'Li-poly';
 }
 
 enum BatteryStatus {
@@ -72,14 +81,16 @@ enum BatteryStatus {
 }
 
 abstract final class Batteries {
-  static List<Battery> parse(String raw) {
+  static List<Battery> parse(String raw, [bool onlyLiPoly = false]) {
     final lines = raw.split('\n');
     final batteries = <Battery>[];
     final oneBatLines = <String>[];
     for (final line in lines) {
       if (line.isEmpty) {
         try {
-          batteries.add(Battery.fromRaw(oneBatLines.join('\n')));
+          final bat = Battery.fromRaw(oneBatLines.join('\n'));
+          if (onlyLiPoly && !bat.isLiPoly) continue;
+          batteries.add(bat);
         } catch (e, s) {
           Loggers.parse.warning(e, s);
         }

lib/data/model/server/server_status_update_req.dart

@@ -24,12 +24,10 @@ class ServerStatusUpdateReq {
 }
 
 Future<ServerStatus> getStatus(ServerStatusUpdateReq req) async {
-  switch (req.system) {
-    case SystemType.linux:
-      return _getLinuxStatus(req);
-    case SystemType.bsd:
-      return _getBsdStatus(req);
-  }
+  return switch (req.system) {
+    SystemType.linux => _getLinuxStatus(req),
+    SystemType.bsd => _getBsdStatus(req),
+  };
 }
 
 // Wrap each operation with a try-catch, so that if one operation fails,
@@ -130,7 +128,9 @@ Future<ServerStatus> _getLinuxStatus(ServerStatusUpdateReq req) async {
 
   try {
     final battery = StatusCmdType.battery.find(segments);
-    final batteries = Batteries.parse(battery);
+
+    /// Only collect li-poly batteries
+    final batteries = Batteries.parse(battery, true);
     req.ss.batteries.clear();
     if (batteries.isNotEmpty) {
       req.ss.batteries.addAll(batteries);