Merge branch 'main' of 91.92.155.224:Innovenergy/Innovenergy_trunk

csharp/App/Backend/Backend.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.5.002.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Backend", "Backend.csproj", "{161624D7-33B9-48B8-BA05-303DCFAEB03E}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{161624D7-33B9-48B8-BA05-303DCFAEB03E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{161624D7-33B9-48B8-BA05-303DCFAEB03E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{161624D7-33B9-48B8-BA05-303DCFAEB03E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{161624D7-33B9-48B8-BA05-303DCFAEB03E}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {A377D3C5-E56D-4A16-AC4B-F3B0BB4CFCCE}
+	EndGlobalSection
+EndGlobal

csharp/App/Backend/Controller.cs

@@ -100,6 +100,24 @@ public class Controller : ControllerBase
             .ToList();
     }
     
+    [HttpGet(nameof(GetHistoryForInstallation))]
+    public ActionResult<IEnumerable<UserAction>> GetHistoryForInstallation(Int64 id, Token authToken)
+    {
+        var user = Db.GetSession(authToken)?.User;
+        if (user == null)
+            return Unauthorized();
+    
+        var installation = Db.GetInstallationById(id);
+    
+        if (installation is null || !user.HasAccessTo(installation))
+            return Unauthorized();
+        
+        return Db.UserActions
+            .Where(action =>action.InstallationId == id)
+            .OrderByDescending(action => action.Timestamp)
+            .ToList();
+    }
+    
     [HttpGet(nameof(GetAllWarningsForInstallation))]
     public ActionResult<IEnumerable<Warning>> GetAllWarningsForInstallation(Int64 id, Token authToken)
     {
@@ -553,11 +571,18 @@ public class Controller : ControllerBase
         var session = Db.GetSession(authToken);
         //Console.WriteLine(config.GridSetPoint);
         
-        //var installationToUpdate = Db.GetInstallationById(installationId);
+        // Send configuration changes
+        var success = await session.SendInstallationConfig(installationId, config);
+
+        // Record configuration change
+        if (success)
+        {
+            var actionSuccess = await session.RecordUserAction(installationId, config);
+            return actionSuccess?Ok():Unauthorized();
+        }
+        
+        return Unauthorized();
         
-        return await session.SendInstallationConfig(installationId, config)
-            ? Ok() 
-            : Unauthorized();
     }
     
     [HttpPut(nameof(MoveFolder))]

csharp/App/Backend/DataTypes/Configuration.cs

@@ -6,6 +6,10 @@ public class Configuration
     public Double  GridSetPoint                                  { get; set; } 
     public CalibrationChargeType CalibrationChargeState          { get; set; } 
     public DateTime CalibrationChargeDate                        { get; set; } 
+    public String GetConfigurationString()
+    {
+        return $"MinimumSoC: {MinimumSoC}, GridSetPoint: {GridSetPoint}, CalibrationChargeState: {CalibrationChargeState}, CalibrationChargeDate: {CalibrationChargeDate}";
+    }
 }
 
 public enum CalibrationChargeType

csharp/App/Backend/DataTypes/Methods/Session.cs

@@ -75,14 +75,14 @@ public static class SessionMethods
 
         await Task.Run(() =>
         {
-            Process process = new Process();
+            var process = new Process();
             process.StartInfo.FileName = "/bin/bash";
             process.StartInfo.Arguments = $"{scriptPath} {vpnIp} {batteryNode} {version}"; 
             process.StartInfo.UseShellExecute = false;
             process.StartInfo.RedirectStandardOutput = true; 
         
             process.Start();
-            string output = process.StandardOutput.ReadToEnd();
+            var output = process.StandardOutput.ReadToEnd();
             process.WaitForExit(); 
             Console.WriteLine(output);
         });
@@ -102,6 +102,28 @@ public static class SessionMethods
                && await installation.SendConfig(configuration);
     }
     
+    public static async Task<Boolean> RecordUserAction(this Session? session, Int64 installationId, Configuration newConfiguration)
+    {
+        var user = session?.User;
+        var timestamp = DateTime.Now;
+
+        if (user is null || user.UserType == 0)
+            return false;
+
+        // Create a new UserAction object
+        var action = new UserAction
+        {
+            UserName = user.Name,
+            InstallationId = installationId,
+            Timestamp = timestamp,
+            Description = newConfiguration.GetConfigurationString()
+        };
+
+        // Save the configuration change to the database
+        Db.HandleAction(action);
+        return true;
+    }
+
     public static Boolean Delete(this Session? session, Folder? folder)
     {
         var user = session?.User;
@@ -121,7 +143,7 @@ public static class SessionMethods
         
         
         //Salimax installation
-        if (installation.Product==0)
+        if (installation.Product == 0)
         {
             return user is not null
                    && user.UserType != 0
@@ -134,7 +156,7 @@ public static class SessionMethods
             
         }
         
-        if (installation.Product==1)
+        if (installation.Product == 1)
         {
             return user is not null
                    && user.UserType != 0
@@ -153,7 +175,7 @@ public static class SessionMethods
 
         var original = Db.GetInstallationById(installation?.Id);
         //Salimax installation
-        if (installation.Product==0)
+        if (installation.Product == 0)
         {
         
             return user is not null

csharp/App/Backend/DataTypes/UserAction.cs

@@ -0,0 +1,18 @@
+using SQLite;
+
+namespace InnovEnergy.App.Backend.DataTypes;
+
+public class UserAction
+{
+    [PrimaryKey, AutoIncrement]
+    public Int64 Id { get; set; } // Primary key for the table, auto-incremented
+
+    [Indexed]
+    public String UserName { get; set; } = null!;// User Name who made the configuration change
+    
+    public Int64 InstallationId { get; set; } // Installation ID where the configuration change is made
+
+    public DateTime Timestamp { get; set; } // Timestamp of the configuration change
+
+    public String Description { get; set; } = null!;// Serialized string representing the new configuration
+}

csharp/App/Backend/Database/Create.cs

@@ -62,6 +62,37 @@ public static partial class Db
         return Insert(o2i);
     }
     
+    public static Boolean Create(UserAction action)
+    {
+         return Insert(action);
+    }
+    
+    public static void HandleAction(UserAction newAction)
+    {
+        //Find the total number of actions for this installation
+        var totalActions = UserActions.Count(action => action.InstallationId == newAction.InstallationId);
+
+        //If there are 100 actions, remove the one with the oldest timestamp
+        if (totalActions == 100)
+        {
+            var oldestAction = 
+                UserActions.Where(action => action.InstallationId == newAction.InstallationId)
+                    .OrderBy(action => action.Timestamp)
+                    .FirstOrDefault();
+                            
+            //Remove the old action
+            Delete(oldestAction);
+
+            //Add the new action
+            Create(newAction);
+        }
+        else
+        {
+            Console.WriteLine("---------------Added the new Error to the database-----------------");
+            Create(newAction);
+        }
+    }
+    
     public static void HandleError(Error newError,int installationId)
     {
         //Find the total number of errors for this installation

csharp/App/Backend/Database/Db.cs

@@ -36,6 +36,7 @@ public static partial class Db
         fileConnection.CreateTable<OrderNumber2Installation>();
         fileConnection.CreateTable<Error>();
         fileConnection.CreateTable<Warning>();
+        fileConnection.CreateTable<UserAction>();
 
         return fileConnection;
         //return CopyDbToMemory(fileConnection);
@@ -55,6 +56,7 @@ public static partial class Db
         memoryConnection.CreateTable<OrderNumber2Installation>();
         memoryConnection.CreateTable<Error>();
         memoryConnection.CreateTable<Warning>();
+        fileConnection.CreateTable<UserAction>();
 
         //Copy all the existing tables from the disk to main memory
         fileConnection.Table<Session>().ForEach(memoryConnection.Insert);
@@ -66,6 +68,7 @@ public static partial class Db
         fileConnection.Table<OrderNumber2Installation>().ForEach(memoryConnection.Insert);
         fileConnection.Table<Error>().ForEach(memoryConnection.Insert);
         fileConnection.Table<Warning>().ForEach(memoryConnection.Insert);
+        fileConnection.Table<UserAction>().ForEach(memoryConnection.Insert);
         
         return memoryConnection;
     }
@@ -85,6 +88,7 @@ public static partial class Db
     public static TableQuery<OrderNumber2Installation> OrderNumber2Installation => Connection.Table<OrderNumber2Installation>();
     public static TableQuery<Error> Errors => Connection.Table<Error>();
     public static TableQuery<Warning> Warnings => Connection.Table<Warning>();
+    public static TableQuery<UserAction> UserActions => Connection.Table<UserAction>();
     
     public static void Init()
     {
@@ -106,6 +110,7 @@ public static partial class Db
             Connection.CreateTable<OrderNumber2Installation>();
             Connection.CreateTable<Error>();
             Connection.CreateTable<Warning>();
+            Connection.CreateTable<UserAction>();
         });
         
         //UpdateKeys();

csharp/App/Backend/Database/Delete.cs

@@ -1,6 +1,7 @@
 using InnovEnergy.App.Backend.DataTypes;
 using InnovEnergy.App.Backend.DataTypes.Methods;
 using InnovEnergy.App.Backend.Relations;
+using Microsoft.AspNetCore.Authentication.OAuth.Claims;
 
 
 namespace InnovEnergy.App.Backend.Database;
@@ -49,6 +50,20 @@ public static partial class Db
         }
     }
     
+    public static Boolean Delete(UserAction actionToDelete)
+    {
+        var deleteSuccess = RunTransaction(DeleteAction);
+        if (deleteSuccess)
+            BackupDatabase();
+        return deleteSuccess;
+        
+        
+        Boolean DeleteAction()
+        {
+            return UserActions.Delete(action => action.Id == actionToDelete.Id) >0;
+        }
+    }
+    
     public static Boolean Delete(Warning warningToDelete)
     {
         var deleteSuccess = RunTransaction(DeleteWarning);

csharp/App/SaliMax/src/AggregationService/Aggregator.cs

@@ -227,8 +227,8 @@ public static class Aggregator
         Console.WriteLine($"Max SOC:                   {aggregatedData.MaxSoc}");
         Console.WriteLine($"Min SOC:                   {aggregatedData.MinSoc}");
 
-        Console.WriteLine($"ChargingBatteryPower:      {aggregatedData.DischargingBatteryPower}");
+        Console.WriteLine($"DischargingBatteryBattery:      {aggregatedData.DischargingBatteryPower}");
-        Console.WriteLine($"DischargingBatteryBattery: {aggregatedData.ChargingBatteryPower}");
+        Console.WriteLine($"ChargingBatteryPower:           {aggregatedData.ChargingBatteryPower}");
         
         Console.WriteLine($"SumGridExportPower:        {aggregatedData.GridExportPower}");
         Console.WriteLine($"SumGridImportPower:        {aggregatedData.GridImportPower}");

csharp/App/SaliMax/src/Program.cs

@@ -679,34 +679,35 @@ internal static class Program
         // This is temporary for Wittman, but now it's for all Instalattion
         await File.WriteAllTextAsync("/var/www/html/status.csv", csv.SplitLines().Where(l => !l.Contains("Secret")).JoinLines());
         
+        var response = await request.PutAsync(new StringContent(csv));
         
         // Compress CSV data to a byte array
-        byte[] compressedBytes;
+        // byte[] compressedBytes;
-        using (var memoryStream = new MemoryStream())
+        // using (var memoryStream = new MemoryStream())
-        {
+        // {
-            //Create a zip directory and put the compressed file inside
+        //     //Create a zip directory and put the compressed file inside
-            using (var archive = new ZipArchive(memoryStream, ZipArchiveMode.Create, true))
+        //     using (var archive = new ZipArchive(memoryStream, ZipArchiveMode.Create, true))
-            {
+        //     {
-                var entry = archive.CreateEntry("data.csv", CompressionLevel.SmallestSize); // Add CSV data to the ZIP archive
+        //         var entry = archive.CreateEntry("data.csv", CompressionLevel.SmallestSize); // Add CSV data to the ZIP archive
-                using (var entryStream = entry.Open())
+        //         using (var entryStream = entry.Open())
-                using (var writer = new StreamWriter(entryStream))
+        //         using (var writer = new StreamWriter(entryStream))
-                {
+        //         {
-                    writer.Write(csv);
+        //             writer.Write(csv);
-                }
+        //         }
-            }
+        //     }
-
+        //
-            compressedBytes = memoryStream.ToArray();
+        //     compressedBytes = memoryStream.ToArray();
-        }
+        // }
-
+        //
-        // Encode the compressed byte array as a Base64 string
+        // // Encode the compressed byte array as a Base64 string
-        string base64String = Convert.ToBase64String(compressedBytes);
+        // string base64String = Convert.ToBase64String(compressedBytes);
-
+        //
-        // Create StringContent from Base64 string
+        // // Create StringContent from Base64 string
-        var stringContent = new StringContent(base64String, Encoding.UTF8, "application/base64");
+        // var stringContent = new StringContent(base64String, Encoding.UTF8, "application/base64");
-
+        //
-        // Upload the compressed data (ZIP archive) to S3
+        // // Upload the compressed data (ZIP archive) to S3
-        var response = await request.PutAsync(stringContent);
+        // var response = await request.PutAsync(stringContent);
-        
+        //
         if (response.StatusCode != 200)
         {
             Console.WriteLine("ERROR: PUT");

csharp/App/SaliMax/src/S3Config.cs

@@ -70,7 +70,8 @@ public record S3Config
         //                CanonicalizedResource;
         
         
-        contentType = "application/base64; charset=utf-8";
+        //contentType = "application/base64; charset=utf-8";
+        contentType = "text/plain; charset=utf-8";
         
         var payload = $"{method}\n{md5Hash}\n{contentType}\n{date}\n/{bucket.Trim('/')}/{s3Path.Trim('/')}"; 
         using var hmacSha1 = new HMACSHA1(UTF8.GetBytes(s3Secret));

csharp/Lib/Devices/AMPT/AmptDevices.cs

@@ -77,12 +77,13 @@ public class AmptDevices
             Current = busCurrent
         };
         
-        // flatten the 2 strings of each SO into one array 
+        // flatten the output strings of each SO into one array 
-        var strings = soStati.SelectMany(GetStrings).ToArray(nStrings);
+        var strings = soStati.SelectMany(GetDc).ToArray(nStrings);
 
         return new AmptStatus
         {
             Dc = dc,
+            NbrOfStrings = nStringOptimizers,
             Strings = strings,
             DcWh = dailyOutputEnergy
         };
@@ -106,6 +107,16 @@ public class AmptDevices
         };
     }
 
+    private static IEnumerable<DcBus> GetDc(StringOptimizerRegisters r)
+    {
+        // hardcoded: every SO has 2 strings (produced like this by AMPT)
+        
+        yield return new()
+        {
+            Voltage = r.Voltage,
+            Current = r.Current,
+        };
+    }
 
     private static IEnumerable<ModbusDevice<StringOptimizerRegisters>> StringOptimizers(ModbusClient modbusClient)
     {

csharp/Lib/Devices/AMPT/AmptStatus.cs

@@ -5,8 +5,9 @@ namespace InnovEnergy.Lib.Devices.AMPT;
 
 public class AmptStatus : IMppt 
 {
-    public required DcBus                 Dc        { get; init; }
+    public required DcBus                 Dc            { get; init; }
-    public required IReadOnlyList<DcBus>  Strings   { get; init; }
+    public required UInt16                NbrOfStrings  { get; init; }
-    public required Double                DcWh      { get; init; }  //Daily integrated string output energy in Wh
+    public required IReadOnlyList<DcBus>  Strings       { get; init; }
+    public required Double                DcWh          { get; init; }  //Daily integrated string output energy in Wh
 }
 

csharp/Lib/Devices/IEM3kGridMeter/IEM3kGridMeterDevice.cs

@@ -1,4 +1,4 @@
-/*using InnovEnergy.Lib.Protocols.Modbus.Channels;
+using InnovEnergy.Lib.Protocols.Modbus.Channels;
 using InnovEnergy.Lib.Protocols.Modbus.Clients;
 using InnovEnergy.Lib.Protocols.Modbus.Slaves;
 using InnovEnergy.Lib.Utils;
@@ -49,83 +49,4 @@ public class Iem3KGridMeterDevice: ModbusDevice<Iem3KGridMeterRegisters>
     }
 
 
-}*/
-
-using InnovEnergy.Lib.Protocols.Modbus.Channels;
-using InnovEnergy.Lib.Protocols.Modbus.Clients;
-using InnovEnergy.Lib.Protocols.Modbus.Slaves;
-using InnovEnergy.Lib.Utils;
-using System;
-
-namespace InnovEnergy.Lib.Devices.IEM3kGridMeter
-{
-    public class Iem3KGridMeterDevice : ModbusDevice<Iem3KGridMeterRegisters>
-    {
-        private readonly string _hostname;
-        private readonly ushort _port;
-        private readonly byte _slaveId;
-
-        public Iem3KGridMeterDevice(string hostname, ushort port = 502, byte slaveId = 1)
-            : this(new TcpChannel(hostname, port), slaveId)
-        {
-            _hostname = hostname ?? throw new ArgumentNullException(nameof(hostname));
-            _port = port;
-            _slaveId = slaveId;
-        }
-
-        private Iem3KGridMeterDevice(TcpChannel channel, byte slaveId = 1)
-            : base(new ModbusTcpClient(channel, slaveId))
-        {
-            _hostname = channel.Host;
-            _port = channel.Port;
-            _slaveId = slaveId;
-            Console.WriteLine($"Initializing Iem3KGridMeterDevice with channel: {channel.Host}:{channel.Port}");
-        }
-
-        public Iem3KGridMeterDevice(ModbusClient client)
-            : base(client)
-        {
-            if (client is ModbusTcpClient tcpClient)
-            {
-                _hostname = tcpClient.Channel.Host;
-                _port = tcpClient.Channel.Port;
-                _slaveId = tcpClient.SlaveId;
-            }
-            else
-            {
-                throw new ArgumentException("Invalid client type", nameof(client));
-            }
-            Console.WriteLine("Initializing Iem3KGridMeterDevice with ModbusClient");
-        }
-
-        public new Iem3KGridMeterRegisters? Read()
-        {
-            try
-            {
-                Console.WriteLine($"Attempting to read data from {_hostname}:{_port} with slaveId {_slaveId}");
-                return base.Read();
-            }
-            catch (Exception ex)
-            {
-                Console.WriteLine($"Failed to read data from {nameof(Iem3KGridMeterDevice)}: {ex.Message}");
-                return null;
-            }
-        }
-
-        public new void Write(Iem3KGridMeterRegisters registers)
-        {
-            try
-            {
-                base.Write(registers);
-            }
-            catch (Exception ex)
-            {
-                Console.WriteLine($"Failed to write data to {nameof(Iem3KGridMeterDevice)}: {ex.Message}");
-            }
-        }
-    }
 }
-
-
-
-

csharp/Lib/Protocols/Modbus/Channels/TcpChannel.cs

@@ -2,7 +2,7 @@ using System.Net.Sockets;
 using InnovEnergy.Lib.Protocols.Modbus.Protocol;
 using InnovEnergy.Lib.Utils.Net;
 
-/*namespace InnovEnergy.Lib.Protocols.Modbus.Channels;
+namespace InnovEnergy.Lib.Protocols.Modbus.Channels;
 
 public class TcpChannel : ConnectionChannel<TcpClient>
 {
@@ -82,104 +82,4 @@ public class TcpChannel : ConnectionChannel<TcpClient>
         var array = data.ToArray();
         tcpClient.GetStream().Write(array, 0, array.Length);
     }
-}*/
-
-using System;
-using System.Net.Sockets;
-
-namespace InnovEnergy.Lib.Protocols.Modbus.Channels
-{
-    public class TcpChannel : Channel, IDisposable
-    {
-        public string Host { get; }
-        public ushort Port { get; }
-
-        private const int TimeoutMs = 500; // TODO: parametrize
-        private Socket? Socket { get; set; }
-        private byte[] Buffer { get; }
-
-        public TcpChannel(string hostname, ushort port)
-        {
-            Host = hostname ?? throw new ArgumentNullException(nameof(hostname));
-            Port = port;
-            Buffer = new byte[8192]; // Buffer size can be adjusted
-        }
-
-        public override IReadOnlyList<byte> Read(int nBytes)
-        {
-            if (Socket == null)
-                throw new InvalidOperationException("Socket is not connected.");
-
-            var buffer = new byte[nBytes];
-            int bytesRead = 0;
-
-            while (bytesRead < nBytes)
-            {
-                var read = Socket.Receive(buffer, bytesRead, nBytes - bytesRead, SocketFlags.None);
-                if (read == 0)
-                    throw new Exception("Socket closed.");
-
-                bytesRead += read;
-            }
-
-            return buffer;
-        }
-
-        public override void Write(IReadOnlyList<byte> bytes)
-        {
-            if (Socket == null)
-                throw new InvalidOperationException("Socket is not connected.");
-
-            Socket.Send(bytes.ToArray(), SocketFlags.None);
-        }
-
-        public void Connect()
-        {
-            if (Socket != null)
-                return;
-
-            Socket = new Socket(SocketType.Stream, ProtocolType.Tcp)
-            {
-                Blocking = true,
-                NoDelay = true,
-                LingerState = new LingerOption(false, 0),
-                ReceiveTimeout = TimeoutMs,
-                SendTimeout = TimeoutMs
-            };
-
-            var cts = new CancellationTokenSource();
-            cts.CancelAfter(TimeoutMs);
-
-            try
-            {
-                Socket.ConnectAsync(Host, Port).Wait(TimeoutMs);
-            }
-            catch
-            {
-                Socket = null;
-                throw;
-            }
-        }
-
-        public void Disconnect()
-        {
-            if (Socket == null)
-                return;
-
-            try
-            {
-                Socket.Close();
-            }
-            finally
-            {
-                Socket = null;
-            }
-        }
-
-        public void Dispose()
-        {
-            Disconnect();
-        }
-    }
 }
-

csharp/Lib/Protocols/Modbus/Clients/ModbusTcpClient.cs

@@ -12,7 +12,7 @@ namespace InnovEnergy.Lib.Protocols.Modbus.Clients;
 using UInt16s = IReadOnlyCollection<UInt16>;
 using Booleans = IReadOnlyCollection<Boolean>;
 
-/*public class ModbusTcpClient : ModbusClient
+public class ModbusTcpClient : ModbusClient
 {
     public const UInt16 DefaultPort = 502;
     private UInt16 _Id;
@@ -184,171 +184,4 @@ using Booleans = IReadOnlyCollection<Boolean>;
         return new MbData(rxFrm.RegistersRead.RawData, readAddress, Endian);
     }
 
-}*/
-
-public class ModbusTcpClient : ModbusClient
-{
-    public const ushort DefaultPort = 502;
-    private ushort _Id;
-    public TcpChannel Channel { get; }
-
-    public ModbusTcpClient(TcpChannel channel, byte slaveId) : base(channel, slaveId)
-    {
-        Channel = channel;
-        Channel.Connect();
-    }
-
-    private ushort NextId() => unchecked(++_Id);
-
-    public override MbData ReadCoils(ushort readAddress, ushort nValues)
-    {
-        var id = NextId(); // TODO: check response id
-
-        var cmd = new ReadCoilsCommandFrame(SlaveId, readAddress, nValues);
-        var hdr = new MbapHeader(id, cmd.Data.Count);
-        var frm = new ModbusTcpFrame(hdr, cmd);
-
-        Channel.Write(frm.Data);
-
-        var hData = Channel.Read(MbapHeader.Size).ToArray();
-        var rxHdr = new MbapHeader(hData);
-
-        var rxFrm = Channel
-                   .Read(rxHdr.FrameLength)
-                   .ToArray()
-                   .Apply(ReadCoilsResponseFrame.Parse)
-                   .Apply(cmd.VerifyResponse);
-
-        return new MbData(rxFrm.Coils.RawData, readAddress, Endian);
-    }
-
-    public override MbData ReadDiscreteInputs(ushort readAddress, ushort nValues)
-    {
-        var id = NextId(); // TODO: check response id
-
-        var cmd = new ReadDiscreteInputsCommandFrame(SlaveId, readAddress, nValues);
-        var hdr = new MbapHeader(id, cmd.Data.Count);
-        var frm = new ModbusTcpFrame(hdr, cmd);
-
-        Channel.Write(frm.Data);
-
-        var hData = Channel.Read(MbapHeader.Size).ToArray();
-        var rxHdr = new MbapHeader(hData);
-
-        var rxFrm = Channel
-                   .Read(rxHdr.FrameLength)
-                   .ToArray()
-                   .Apply(ReadDiscreteInputsResponseFrame.Parse)
-                   .Apply(cmd.VerifyResponse);
-
-        return new MbData(rxFrm.Inputs.RawData, readAddress, Endian);
-    }
-
-    public override MbData ReadInputRegisters(ushort readAddress, ushort nValues)
-    {
-        var id = NextId(); // TODO: check response id
-
-        var cmd = new ReadInputRegistersCommandFrame(SlaveId, readAddress, nValues);
-        var hdr = new MbapHeader(id, cmd.Data.Count);
-        var frm = new ModbusTcpFrame(hdr, cmd);
-
-        Channel.Write(frm.Data);
-
-        var hData = Channel.Read(MbapHeader.Size).ToArray();
-        var rxHdr = new MbapHeader(hData);
-
-        var rxFrm = Channel
-                   .Read(rxHdr.FrameLength)
-                   .ToArray()
-                   .Apply(ReadInputRegistersResponseFrame.Parse)
-                   .Apply(cmd.VerifyResponse);
-
-        return new MbData(rxFrm.RegistersRead.RawData, readAddress, Endian);
-    }
-
-    public override MbData ReadHoldingRegisters(ushort readAddress, ushort nValues)
-    {
-        var id = NextId(); // TODO: check response id
-
-        var cmd = new ReadHoldingRegistersCommandFrame(SlaveId, readAddress, nValues);
-        var hdr = new MbapHeader(id, cmd.Data.Count);
-        var frm = new ModbusTcpFrame(hdr, cmd);
-
-        Channel.Write(frm.Data);
-
-        var hData = Channel.Read(MbapHeader.Size).ToArray();
-        var rxHdr = new MbapHeader(hData);
-
-        var rxFrm = Channel
-                   .Read(rxHdr.FrameLength)
-                   .ToArray()
-                   .Apply(ReadHoldingRegistersResponseFrame.Parse)
-                   .Apply(cmd.VerifyResponse);
-
-        return new MbData(rxFrm.RegistersRead.RawData, readAddress, Endian);
-    }
-
-    public override ushort WriteCoils(ushort writeAddress, Booleans coils)
-    {
-        var id = NextId(); // TODO: check response id
-        var cmd = new WriteCoilsCommandFrame(SlaveId, writeAddress, coils);
-        var hdr = new MbapHeader(id, cmd.Data.Count);
-        var frm = new ModbusTcpFrame(hdr, cmd);
-
-        Channel.Write(frm.Data);
-
-        var hData = Channel.Read(MbapHeader.Size).ToArray();
-        var rxHdr = new MbapHeader(hData);
-
-        var rxFrm = Channel
-                   .Read(rxHdr.FrameLength)
-                   .ToArray()
-                   .Apply(WriteCoilsResponseFrame.Parse)
-                   .Apply(cmd.VerifyResponse);
-
-        return rxFrm.NbWritten;
-    }
-
-    public override ushort WriteRegisters(ushort writeAddress, UInt16s values)
-    {
-        var id = NextId(); // TODO: check response id
-        var cmd = new WriteRegistersCommandFrame(SlaveId, writeAddress, values);
-        var hdr = new MbapHeader(id, cmd.Data.Count);
-        var frm = new ModbusTcpFrame(hdr, cmd);
-
-        Channel.Write(frm.Data);
-
-        var hData = Channel.Read(MbapHeader.Size).ToArray();
-        var rxHdr = new MbapHeader(hData);
-
-        var rxFrm = Channel
-                   .Read(rxHdr.FrameLength)
-                   .ToArray()
-                   .Apply(WriteRegistersResponseFrame.Parse)
-                   .Apply(cmd.VerifyResponse);
-
-        return rxFrm.NbWritten;
-    }
-
-    public override MbData ReadWriteRegisters(ushort readAddress, ushort nbToRead, ushort writeAddress, UInt16s registersToWrite)
-    {
-        var id = NextId(); // TODO: check response id
-
-        var cmd = new ReadWriteRegistersCommandFrame(SlaveId, readAddress, nbToRead, writeAddress, registersToWrite);
-
-        var hdr = new MbapHeader(id, cmd.Data.Count);
-        var frm = new ModbusTcpFrame(hdr, cmd);
-
-        Channel.Write(frm.Data);
-
-        var hData = Enumerable.ToArray(Channel.Read(MbapHeader.Size));
-        var rxHdr = new MbapHeader(hData);
-
-        var fData = Enumerable.ToArray(Channel.Read(rxHdr.FrameLength));
-        var rxFrm = fData
-                   .Apply(ReadWriteRegistersResponseFrame.Parse)
-                   .Apply(cmd.VerifyResponse);
-
-        return new MbData(rxFrm.RegistersRead.RawData, readAddress, Endian);
-    }
 }

typescript/frontend-marios2/src/Resources/routes.json

@@ -11,10 +11,12 @@
   "overview": "overview",
   "manage": "manage",
   "batteryview": "batteryview",
+  "pvview": "pvview",
   "log": "log",
   "live": "live",
   "information": "information",
   "configuration": "configuration",
+  "history": "history",
   "mainstats": "mainstats",
   "detailed_view": "detailed_view/"
 }

typescript/frontend-marios2/src/content/dashboards/BatteryView/MainStats.tsx

@@ -246,8 +246,8 @@ function MainStats(props: MainStatsProps) {
       chartOverview: BatteryOverviewInterface;
     }> = transformInputToBatteryViewData(
       props.s3Credentials,
-      UnixTime.fromTicks(startX),
+      UnixTime.fromTicks(startX).earlier(TimeSpan.fromHours(2)),
-      UnixTime.fromTicks(endX)
+      UnixTime.fromTicks(endX).earlier(TimeSpan.fromHours(2))
     );
 
     resultPromise

typescript/frontend-marios2/src/content/dashboards/Configuration/Configuration.tsx

@@ -15,7 +15,7 @@ import {
   Typography,
   useTheme
 } from '@mui/material';
-import React, { useState } from 'react';
+import React, { useContext, useState } from 'react';
 import { FormattedMessage } from 'react-intl';
 import Button from '@mui/material/Button';
 import { Close as CloseIcon } from '@mui/icons-material';
@@ -29,6 +29,7 @@ import { AdapterDayjs } from '@mui/x-date-pickers/AdapterDayjs';
 import dayjs from 'dayjs';
 import axiosConfig from '../../../Resources/axiosConfig';
 import utc from 'dayjs/plugin/utc';
+import { UserContext } from '../../../contexts/userContext';
 
 interface ConfigurationProps {
   values: TopologyValues;
@@ -82,6 +83,8 @@ function Configuration(props: ConfigurationProps) {
   const [updated, setUpdated] = useState(false);
   const [dateSelectionError, setDateSelectionError] = useState('');
   const [isErrorDateModalOpen, setErrorDateModalOpen] = useState(false);
+  const context = useContext(UserContext);
+  const { currentUser, setUser } = context;
 
   const [formValues, setFormValues] = useState<ConfigurationValues>({
     minimumSoC: props.values.minimumSoC[0].value,
@@ -132,7 +135,6 @@ function Configuration(props: ConfigurationProps) {
           .add(localOffset, 'minute')
           .toDate()
       };
-
       // console.log('will send ', dayjs(formValues.calibrationChargeDate));
 
       setLoading(true);

typescript/frontend-marios2/src/content/dashboards/History/History.tsx

@@ -0,0 +1,308 @@
+import React, { useContext, useEffect, useState } from 'react';
+import {
+  Alert,
+  Card,
+  Container,
+  Divider,
+  Grid,
+  IconButton,
+  useTheme
+} from '@mui/material';
+import Typography from '@mui/material/Typography';
+import { FormattedMessage } from 'react-intl';
+import axiosConfig from '../../../Resources/axiosConfig';
+import { AxiosError, AxiosResponse } from 'axios/index';
+import routes from '../../../Resources/routes.json';
+import { useNavigate } from 'react-router-dom';
+import { TokenContext } from '../../../contexts/tokenContext';
+import { Action } from '../../../interfaces/S3Types';
+
+interface HistoryProps {
+  errorLoadingS3Data: boolean;
+  id: number;
+}
+
+function HistoryOfActions(props: HistoryProps) {
+  const theme = useTheme();
+  const searchParams = new URLSearchParams(location.search);
+
+  const [history, setHistory] = useState<Action[]>([]);
+  const navigate = useNavigate();
+  const tokencontext = useContext(TokenContext);
+  const { removeToken } = tokencontext;
+
+  useEffect(() => {
+    axiosConfig
+      .get(`/GetHistoryForInstallation?id=${props.id}`)
+      .then((res: AxiosResponse<Action[]>) => {
+        setHistory(res.data);
+      })
+      .catch((err: AxiosError) => {
+        if (err.response && err.response.status == 401) {
+          removeToken();
+          navigate(routes.login);
+        }
+      });
+  }, []);
+
+  return (
+    <Container maxWidth="xl">
+      <Grid container>
+        <Grid item xs={12} md={12}>
+          {history.length > 0 && (
+            <Card sx={{ marginTop: '10px' }}>
+              <Divider />
+              <div>
+                <div
+                  style={{
+                    height: '40px',
+                    marginBottom: '10px',
+                    display: 'flex',
+                    alignItems: 'center'
+                  }}
+                >
+                  <div
+                    style={{
+                      flex: 1,
+                      marginTop: '15px',
+                      display: 'flex',
+                      alignItems: 'center',
+                      justifyContent: 'center'
+                    }}
+                  >
+                    <Typography
+                      variant="body1"
+                      color="dimgrey"
+                      fontWeight="bold"
+                      fontSize="1rem"
+                      gutterBottom
+                      noWrap
+                    >
+                      <FormattedMessage id="user" defaultMessage="User" />
+                    </Typography>
+                  </div>
+
+                  <div
+                    style={{
+                      flex: 1,
+                      marginTop: '15px',
+                      display: 'flex',
+                      alignItems: 'center',
+                      justifyContent: 'center'
+                    }}
+                  >
+                    <Typography
+                      variant="body1"
+                      color="dimgrey"
+                      fontWeight="bold"
+                      fontSize="1rem"
+                      gutterBottom
+                      noWrap
+                    >
+                      <FormattedMessage id="date" defaultMessage="Date" />
+                    </Typography>
+                  </div>
+                  <div
+                    style={{
+                      flex: 1,
+                      marginTop: '15px',
+                      display: 'flex',
+                      alignItems: 'center',
+                      justifyContent: 'center'
+                    }}
+                  >
+                    <Typography
+                      variant="body1"
+                      color="dimgrey"
+                      fontWeight="bold"
+                      fontSize="1rem"
+                      gutterBottom
+                      noWrap
+                    >
+                      <FormattedMessage id="time" defaultMessage="Time" />
+                    </Typography>
+                  </div>
+                  <div
+                    style={{
+                      flex: 1,
+                      marginTop: '15px',
+                      display: 'flex',
+                      alignItems: 'center',
+                      justifyContent: 'center'
+                    }}
+                  >
+                    <Typography
+                      variant="body1"
+                      color="dimgrey"
+                      fontWeight="bold"
+                      fontSize="1rem"
+                      gutterBottom
+                      noWrap
+                    >
+                      <FormattedMessage
+                        id="description"
+                        defaultMessage="Description"
+                      />
+                    </Typography>
+                  </div>
+                </div>
+                <Divider />
+                <div style={{ maxHeight: '400px', overflowY: 'auto' }}>
+                  {history.map((action, index) => {
+                    // Parse the timestamp string to a Date object
+                    const date = new Date(action.timestamp);
+
+                    // Extract the date part (e.g., "2023-05-31")
+                    const datePart = date.toLocaleDateString();
+
+                    // Extract the time part (e.g., "12:34:56")
+                    const timePart = date.toLocaleTimeString();
+                    return (
+                      <>
+                        <Divider />
+                        <div
+                          key={index}
+                          style={{
+                            height: '40px',
+                            marginBottom: '10px',
+                            display: 'flex',
+                            alignItems: 'center'
+                          }}
+                        >
+                          <div
+                            style={{
+                              flex: 1,
+                              marginTop: '15px',
+                              display: 'flex',
+                              alignItems: 'center',
+                              justifyContent: 'center'
+                            }}
+                          >
+                            <Typography
+                              variant="body1"
+                              fontWeight="bold"
+                              color="text.primary"
+                              gutterBottom
+                              noWrap
+                            >
+                              {action.userName}
+                            </Typography>
+                          </div>
+
+                          <div
+                            style={{
+                              flex: 1,
+                              marginTop: '15px',
+                              display: 'flex',
+                              alignItems: 'center',
+                              justifyContent: 'center'
+                            }}
+                          >
+                            <Typography
+                              variant="body1"
+                              fontWeight="bold"
+                              color="text.primary"
+                              gutterBottom
+                              noWrap
+                            >
+                              {datePart}
+                            </Typography>
+                          </div>
+                          <div
+                            style={{
+                              flex: 1,
+                              marginTop: '15px',
+                              display: 'flex',
+                              alignItems: 'center',
+                              justifyContent: 'center'
+                            }}
+                          >
+                            <Typography
+                              variant="body1"
+                              fontWeight="bold"
+                              color="text.primary"
+                              gutterBottom
+                              noWrap
+                            >
+                              {timePart}
+                            </Typography>
+                          </div>
+
+                          <div
+                            style={{
+                              flex: 3,
+                              display: 'flex',
+                              marginTop: '15px',
+                              alignItems: 'center',
+                              justifyContent: 'center'
+                            }}
+                          >
+                            <Typography
+                              variant="body1"
+                              fontWeight="bold"
+                              color="text.primary"
+                              gutterBottom
+                              noWrap
+                            >
+                              {action.description}
+                            </Typography>
+                          </div>
+                        </div>
+                      </>
+                    );
+                  })}
+                </div>
+              </div>
+            </Card>
+          )}
+
+          {!props.errorLoadingS3Data && history.length == 0 && (
+            <Alert
+              severity="error"
+              sx={{
+                display: 'flex',
+                alignItems: 'center',
+                marginTop: '20px'
+              }}
+            >
+              <FormattedMessage
+                id="nohistory"
+                defaultMessage="There is no history of actions"
+              />
+              <IconButton
+                color="inherit"
+                size="small"
+                sx={{ marginLeft: '4px' }}
+              ></IconButton>
+            </Alert>
+          )}
+        </Grid>
+      </Grid>
+
+      <Grid item xs={12} md={12} style={{ marginBottom: '20px' }}>
+        {props.errorLoadingS3Data && (
+          <Alert
+            severity="error"
+            sx={{
+              display: 'flex',
+              alignItems: 'center',
+              marginTop: '20px'
+            }}
+          >
+            <FormattedMessage
+              id="cannotloadloggingdata"
+              defaultMessage="Cannot load logging data"
+            />
+            <IconButton
+              color="inherit"
+              size="small"
+              sx={{ marginLeft: '4px' }}
+            ></IconButton>
+          </Alert>
+        )}
+      </Grid>
+    </Container>
+  );
+}
+
+export default HistoryOfActions;

typescript/frontend-marios2/src/content/dashboards/Installations/Installation.tsx

@@ -23,6 +23,8 @@ import routes from '../../../Resources/routes.json';
 import Information from '../Information/Information';
 import BatteryView from '../BatteryView/BatteryView';
 import { UserType } from '../../../interfaces/UserTypes';
+import HistoryOfActions from '../History/History';
+import PvView from '../PvView/PvView';
 
 interface singleInstallationProps {
   current_installation?: I_Installation;
@@ -123,6 +125,7 @@ function Installation(props: singleInstallationProps) {
   useEffect(() => {
     if (
       currentTab == 'live' ||
+      currentTab == 'pvview' ||
       currentTab == 'configuration' ||
       location.includes('batteryview')
     ) {
@@ -130,7 +133,8 @@ function Installation(props: singleInstallationProps) {
 
       if (
         currentTab == 'live' ||
-        (location.includes('batteryview') && !location.includes('mainstats'))
+        (location.includes('batteryview') && !location.includes('mainstats')) ||
+        currentTab == 'pvview'
       ) {
         fetchDataPeriodically();
         interval = setInterval(fetchDataPeriodically, 2000);
@@ -143,6 +147,7 @@ function Installation(props: singleInstallationProps) {
       return () => {
         if (
           currentTab == 'live' ||
+          currentTab == 'pvview' ||
           (location.includes('batteryview') && !location.includes('mainstats'))
         ) {
           clearInterval(interval);
@@ -309,6 +314,14 @@ function Installation(props: singleInstallationProps) {
                   ></BatteryView>
                 }
               ></Route>
+
+              <Route
+                path={routes.pvview + '*'}
+                element={
+                  <PvView values={values} connected={connected}></PvView>
+                }
+              ></Route>
+
               <Route
                 path={routes.overview}
                 element={<Overview s3Credentials={s3Credentials}></Overview>}
@@ -342,6 +355,18 @@ function Installation(props: singleInstallationProps) {
                   }
                 />
               )}
+              {currentUser.userType == UserType.admin && (
+                <Route
+                  path={routes.history}
+                  element={
+                    <HistoryOfActions
+                      errorLoadingS3Data={errorLoadingS3Data}
+                      id={props.current_installation.id}
+                    ></HistoryOfActions>
+                  }
+                />
+              )}
+
               {currentUser.userType == UserType.admin && (
                 <Route
                   path={routes.manage}

typescript/frontend-marios2/src/content/dashboards/Installations/index.tsx

@@ -26,7 +26,9 @@ function InstallationTabs() {
     'batteryview',
     'log',
     'information',
-    'configuration'
+    'configuration',
+    'history',
+    'pvview'
   ];
 
   const [currentTab, setCurrentTab] = useState<string>(undefined);
@@ -137,6 +139,19 @@ function InstallationTabs() {
                 defaultMessage="Configuration"
               />
             )
+          },
+          {
+            value: 'history',
+            label: (
+              <FormattedMessage
+                id="history"
+                defaultMessage="History Of Actions"
+              />
+            )
+          },
+          {
+            value: 'pvview',
+            label: <FormattedMessage id="pvview" defaultMessage="Pv View" />
           }
         ]
       : currentUser.userType == UserType.partner
@@ -158,6 +173,10 @@ function InstallationTabs() {
               />
             )
           },
+          {
+            value: 'pvview',
+            label: <FormattedMessage id="pvview" defaultMessage="Pv View" />
+          },
 
           {
             value: 'information',
@@ -217,6 +236,10 @@ function InstallationTabs() {
                 />
               )
             },
+            {
+              value: 'pvview',
+              label: <FormattedMessage id="pvview" defaultMessage="Pv View" />
+            },
             {
               value: 'manage',
               label: (
@@ -248,6 +271,15 @@ function InstallationTabs() {
                   defaultMessage="Configuration"
                 />
               )
+            },
+            {
+              value: 'history',
+              label: (
+                <FormattedMessage
+                  id="history"
+                  defaultMessage="History Of Actions"
+                />
+              )
             }
           ]
         : currentUser.userType == UserType.partner
@@ -280,6 +312,10 @@ function InstallationTabs() {
                 />
               )
             },
+            {
+              value: 'pvview',
+              label: <FormattedMessage id="pvview" defaultMessage="Pv View" />
+            },
 
             {
               value: 'information',

typescript/frontend-marios2/src/content/dashboards/Log/graph.util.tsx

@@ -35,6 +35,13 @@ export type ConfigurationValues = {
   calibrationChargeDate: Date | null;
 };
 
+export interface Pv {
+  PvId: number;
+  Power: I_BoxDataValue;
+  Voltage: I_BoxDataValue;
+  Current: I_BoxDataValue;
+}
+
 export interface Battery {
   BatteryId: number;
   FwVersion: I_BoxDataValue;
@@ -79,6 +86,8 @@ export interface Battery {
   MaxDischargePower: I_BoxDataValue;
 }
 
+const PvKeys = ['PvId', 'Power', 'Voltage', 'Current'];
+
 const BatteryKeys = [
   'BatteryId',
   'FwVersion',
@@ -163,11 +172,24 @@ export type TopologyValues = {
   additionalCalibrationChargeDate: I_BoxDataValue[];
 
   batteryView: Battery[];
+
+  pvView: Pv[];
 };
 type TopologyPaths = { [key in keyof TopologyValues]: string[] };
 
 const batteryIds = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
 
+const pvIds = [
+  1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
+  23, 24, 25, 26, 27, 28, 29, 30
+];
+
+const PvPaths = [
+  '/PvOnDc/Strings/%id%/Power',
+  '/PvOnDc/Strings/%id%/Voltage',
+  '/PvOnDc/Strings/%id%/Current'
+];
+
 const batteryPaths = [
   '/Battery/Devices/%id%/FwVersion',
   '/Battery/Devices/%id%/Dc/Power',
@@ -290,6 +312,10 @@ export const topologyPaths: TopologyPaths = {
     batteryPaths.map((path) => path.replace('%id%', id.toString()))
   ),
 
+  pvView: pvIds.flatMap((id) =>
+    PvPaths.map((path) => path.replace('%id%', id.toString()))
+  ),
+
   minimumSoC: ['/Config/MinSoc'],
   installedDcDcPower: ['/DcDc/SystemControl/NumberOfConnectedSlaves'],
   gridSetPoint: ['/Config/GridSetPoint'],
@@ -317,15 +343,47 @@ export const extractValues = (
   timeSeriesData: DataPoint
 ): TopologyValues | null => {
   const extractedValues: TopologyValues = {} as TopologyValues;
-
-  // console.log('timeSeriesData=', timeSeriesData);
-
   for (const topologyKey of Object.keys(topologyPaths)) {
     //Each topologykey may have more than one paths (for example inverter)
     const paths = topologyPaths[topologyKey];
     let topologyValues: { unit: string; value: string | number }[] = [];
 
-    if (topologyKey === 'batteryView') {
+    if (topologyKey === 'pvView') {
+      extractedValues[topologyKey] = [];
+      let pv_index = 0;
+      let pathIndex = 0;
+
+      while (pathIndex < paths.length) {
+        let pv = {};
+        let existingKeys = 0;
+
+        //We prepare a pv object for each node. We extract the number of nodes from the  '/PvOnDc/NbrOfStrings' path.
+        //PvKeys[0] is the pv id.
+        pv[PvKeys[0]] = pv_index;
+        //Then, search all the remaining battery keys
+        for (let i = 1; i < PvKeys.length; i++) {
+          const path = paths[pathIndex];
+          if (timeSeriesData.value.hasOwnProperty(path)) {
+            existingKeys++;
+
+            pv[PvKeys[i]] = {
+              unit: timeSeriesData.value[path].unit.includes('~')
+                ? timeSeriesData.value[path].unit.replace('~', '')
+                : timeSeriesData.value[path].unit,
+              value:
+                typeof timeSeriesData.value[path].value === 'string'
+                  ? timeSeriesData.value[path].value
+                  : Number(timeSeriesData.value[path].value).toFixed(1)
+            };
+          }
+          pathIndex++;
+        }
+        pv_index++;
+        if (existingKeys > 0) {
+          extractedValues[topologyKey].push(pv as Pv);
+        }
+      }
+    } else if (topologyKey === 'batteryView') {
       extractedValues[topologyKey] = [];
       const node_ids_from_csv = timeSeriesData.value[
         '/Config/Devices/BatteryNodes'

typescript/frontend-marios2/src/content/dashboards/Overview/overview.tsx

@@ -119,8 +119,8 @@ function Overview(props: OverviewProps) {
       chartOverview: overviewInterface;
     }> = transformInputToDailyData(
       props.s3Credentials,
-      UnixTime.fromTicks(startX),
+      UnixTime.fromTicks(startX).earlier(TimeSpan.fromHours(2)),
-      UnixTime.fromTicks(endX)
+      UnixTime.fromTicks(endX).earlier(TimeSpan.fromHours(2))
     );
 
     let isComponentMounted = true;

typescript/frontend-marios2/src/content/dashboards/PvView/PvView.tsx

@@ -0,0 +1,187 @@
+import React, { useEffect, useState } from 'react';
+import {
+  Container,
+  Paper,
+  Table,
+  TableBody,
+  TableCell,
+  TableContainer,
+  TableHead,
+  TableRow,
+  Typography
+} from '@mui/material';
+import { TopologyValues } from '../Log/graph.util';
+import { useLocation, useNavigate } from 'react-router-dom';
+import routes from '../../../Resources/routes.json';
+import CircularProgress from '@mui/material/CircularProgress';
+
+interface PvViewProps {
+  values: TopologyValues;
+  connected: boolean;
+}
+
+function PvView(props: PvViewProps) {
+  if (props.values === null && props.connected == true) {
+    return null;
+  }
+  const currentLocation = useLocation();
+  const navigate = useNavigate();
+  const sortedPvView =
+    props.values != null
+      ? [...props.values.pvView].sort((a, b) => a.PvId - b.PvId)
+      : [];
+
+  const [loading, setLoading] = useState(sortedPvView.length == 0);
+
+  const handleMainStatsButton = () => {
+    navigate(routes.mainstats);
+  };
+
+  const findBatteryData = (batteryId: number) => {
+    for (let i = 0; i < props.values.batteryView.length; i++) {
+      if (props.values.batteryView[i].BatteryId == batteryId) {
+        return props.values.batteryView[i];
+      }
+    }
+  };
+
+  useEffect(() => {
+    if (sortedPvView.length == 0) {
+      setLoading(true);
+    } else {
+      setLoading(false);
+    }
+  }, [sortedPvView]);
+
+  return (
+    <>
+      {!props.connected && (
+        <Container
+          maxWidth="xl"
+          sx={{
+            display: 'flex',
+            flexDirection: 'column',
+            justifyContent: 'center',
+            alignItems: 'center',
+            height: '70vh'
+          }}
+        >
+          <CircularProgress size={60} style={{ color: '#ffc04d' }} />
+          <Typography
+            variant="body2"
+            style={{ color: 'black', fontWeight: 'bold' }}
+            mt={2}
+          >
+            Unable to communicate with the installation
+          </Typography>
+          <Typography variant="body2" style={{ color: 'black' }}>
+            Please wait or refresh the page
+          </Typography>
+        </Container>
+      )}
+      {loading && props.connected && (
+        <Container
+          maxWidth="xl"
+          sx={{
+            display: 'flex',
+            flexDirection: 'column',
+            justifyContent: 'center',
+            alignItems: 'center',
+            height: '70vh'
+          }}
+        >
+          <CircularProgress size={60} style={{ color: '#ffc04d' }} />
+          <Typography
+            variant="body2"
+            style={{ color: 'black', fontWeight: 'bold' }}
+            mt={2}
+          >
+            Battery service is not available at the moment
+          </Typography>
+          <Typography variant="body2" style={{ color: 'black' }}>
+            Please wait or refresh the page
+          </Typography>
+        </Container>
+      )}
+
+      {!loading && props.connected && (
+        <Container maxWidth="xl">
+          <TableContainer
+            component={Paper}
+            sx={{
+              marginTop: '20px',
+              marginBottom: '20px'
+            }}
+          >
+            <Table sx={{ minWidth: 250 }} aria-label="simple table">
+              <TableHead>
+                <TableRow>
+                  <TableCell align="center">Pv</TableCell>
+                  <TableCell align="center">Power</TableCell>
+                  <TableCell align="center">Voltage</TableCell>
+                  <TableCell align="center">Current</TableCell>
+                </TableRow>
+              </TableHead>
+              <TableBody>
+                {sortedPvView.map((pv) => (
+                  <TableRow
+                    key={pv.PvId}
+                    style={{
+                      height: '10px'
+                    }}
+                  >
+                    <TableCell
+                      component="th"
+                      scope="row"
+                      align="center"
+                      sx={{ width: '10%', fontWeight: 'bold', color: 'black' }}
+                    >
+                      {'String ' + pv.PvId}
+                    </TableCell>
+
+                    <TableCell
+                      sx={{
+                        width: '10%',
+                        textAlign: 'center',
+                        backgroundColor:
+                          pv.Current.value == 0 ? '#FF033E' : '#32CD32',
+                        color: pv.Power.value === '' ? 'white' : 'inherit'
+                      }}
+                    >
+                      {pv.Power.value + ' ' + pv.Power.unit}
+                    </TableCell>
+                    <TableCell
+                      sx={{
+                        width: '10%',
+                        textAlign: 'center',
+
+                        backgroundColor:
+                          pv.Current.value == 0 ? '#FF033E' : '#32CD32',
+                        color: pv.Voltage.value === '' ? 'white' : 'inherit'
+                      }}
+                    >
+                      {pv.Voltage.value + ' ' + pv.Voltage.unit}
+                    </TableCell>
+                    <TableCell
+                      sx={{
+                        width: '10%',
+                        textAlign: 'center',
+                        backgroundColor:
+                          pv.Current.value == 0 ? '#FF033E' : '#32CD32',
+                        color: pv.Current.value === '' ? 'white' : 'inherit'
+                      }}
+                    >
+                      {pv.Current.value + ' ' + pv.Current.unit}
+                    </TableCell>
+                  </TableRow>
+                ))}
+              </TableBody>
+            </Table>
+          </TableContainer>
+        </Container>
+      )}
+    </>
+  );
+}
+
+export default PvView;

typescript/frontend-marios2/src/content/dashboards/SalidomoInstallations/Installation.tsx

@@ -58,6 +58,28 @@ function Installation(props: singleInstallationProps) {
 
   const s3Credentials = { s3Bucket, ...S3data };
 
+  const fetchDataOnlyOneTime = async () => {
+    var timeperiodToSearch = 70;
+
+    for (var i = timeperiodToSearch; i > 0; i -= 2) {
+      const now = UnixTime.now().earlier(TimeSpan.fromSeconds(i));
+
+      const res = await fetchData(now, s3Credentials);
+
+      if (res != FetchResult.notAvailable && res != FetchResult.tryLater) {
+        setConnected(true);
+        setFailedToCommunicateWithInstallation(0);
+        setValues(
+          extractValues({
+            time: now,
+            value: res
+          })
+        );
+        return now;
+      }
+    }
+  };
+
   const fetchDataPeriodically = async () => {
     const now = UnixTime.now().earlier(TimeSpan.fromSeconds(20));
 
@@ -76,7 +98,7 @@ function Installation(props: singleInstallationProps) {
         return true;
       } else {
         setFailedToCommunicateWithInstallation((prevCount) => {
-          if (prevCount + 1 >= 3) {
+          if (prevCount + 1 >= 20) {
             setConnected(false);
           }
           return prevCount + 1;
@@ -87,19 +109,6 @@ function Installation(props: singleInstallationProps) {
     }
   };
 
-  const fetchDataOnlyOneTime = async () => {
-    let success = false;
-    const max_retransmissions = 3;
-
-    for (let i = 0; i < max_retransmissions; i++) {
-      success = await fetchDataPeriodically();
-      await new Promise((resolve) => setTimeout(resolve, 1000));
-      if (success) {
-        break;
-      }
-    }
-  };
-
   useEffect(() => {
     let path = location.split('/');
 
@@ -118,7 +127,7 @@ function Installation(props: singleInstallationProps) {
         currentTab == 'live' ||
         (location.includes('batteryview') && !location.includes('mainstats'))
       ) {
-        fetchDataPeriodically();
+        fetchDataOnlyOneTime();
         interval = setInterval(fetchDataPeriodically, 2000);
       }
       if (currentTab == 'configuration' || location.includes('mainstats')) {

typescript/frontend-marios2/src/content/dashboards/Topology/Topology.tsx

@@ -222,6 +222,7 @@ function Topology(props: TopologyProps) {
                 }}
                 bottomBox={{
                   title: 'AC Loads',
+
                   data: props.values.islandBusToLoadOnIslandBusConnection,
                   connected:
                     props.values.loadOnIslandBusBox[0].value.toString() !=

typescript/frontend-marios2/src/interfaces/S3Types.tsx

@@ -16,3 +16,11 @@ export interface ErrorMessage {
   deviceCreatedTheMessage: string;
   seen: boolean;
 }
+
+export interface Action {
+  id: number;
+  userName: string;
+  installationId: number;
+  timestamp: string;
+  description: String;
+}