initial commit

CSharp/Core/LogViewer.Core/Logging/DataStoreLoggerConfiguration.cs

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+using System.Drawing;
+using Microsoft.Extensions.Logging;
+
+namespace LogViewer.Core;
+
+public class DataStoreLoggerConfiguration
+{
+    #region Properties
+    
+    public EventId EventId { get; set; }
+
+    public Dictionary<LogLevel, LogEntryColor> Colors { get; } = new()
+    {
+        [LogLevel.Trace] = new() { Foreground = Color.DarkGray },
+        [LogLevel.Debug] = new() { Foreground = Color.Gray },
+        [LogLevel.Information] = new(),
+        [LogLevel.Warning] = new() { Foreground = Color.Orange},
+        [LogLevel.Error] = new() { Foreground = Color.White, Background = Color.OrangeRed },
+        [LogLevel.Critical] = new() { Foreground=Color.White, Background = Color.Red },
+        [LogLevel.None] = new(),
+    };
+
+    #endregion
+}

CSharp/Core/LogViewer.Core/Logging/ILogDataStore.cs

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+using System.Collections.ObjectModel;
+
+namespace LogViewer.Core;
+
+public interface ILogDataStore
+{
+    ObservableCollection<LogModel> Entries { get; }
+    void AddEntry(LogModel logModel);
+}

CSharp/Core/LogViewer.Core/Logging/ILogDataStoreImpl.cs

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+namespace LogViewer.Core;
+
+public interface ILogDataStoreImpl
+{
+    public ILogDataStore DataStore { get; }
+}

CSharp/Core/LogViewer.Core/Logging/LogDataStore.cs

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+using System.Collections.ObjectModel;
+
+namespace LogViewer.Core;
+
+public class LogDataStore : ILogDataStore
+{
+    #region Fields
+
+    private static readonly SemaphoreSlim _semaphore = new(initialCount: 1);
+
+    #endregion
+
+    #region Properties
+
+    public ObservableCollection<LogModel> Entries { get; } = new();
+
+    #endregion
+
+    #region Methods
+
+    public virtual void AddEntry(LogModel logModel)
+    {
+        // ensure only one operation at time from multiple threads
+        _semaphore.Wait();
+
+        Entries.Add(logModel);
+
+        _semaphore.Release();
+    }
+
+    #endregion
+}

CSharp/Core/LogViewer.Core/Logging/LogEntryColor.cs

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+using System.Drawing;
+
+namespace LogViewer.Core;
+
+public class LogEntryColor
+{
+    public Color Foreground { get; set; } = Color.Black;
+    public Color Background { get; set; } = Color.Transparent;
+
+}

CSharp/Core/LogViewer.Core/Logging/LogModel.cs

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+using Microsoft.Extensions.Logging;
+
+namespace LogViewer.Core;
+
+public class LogModel
+{
+    #region Properties
+
+    public DateTime Timestamp { get; set; }
+
+    public LogLevel LogLevel { get; set; }
+
+    public EventId EventId { get; set; }
+
+    public object? State { get; set; }
+
+    public string? Exception { get; set; }
+
+    public LogEntryColor? Color { get; set; }
+
+    #endregion
+}