Initial commit.

Services/AppDbService.cs

@@ -0,0 +1,105 @@
+using Microsoft.EntityFrameworkCore;
+using Serilog;
+using TriliumMind.Data;
+using TriliumMind.Data.Entities;
+
+namespace TriliumMind.Services;
+
+public class AppDbService
+{
+    private readonly Serilog.ILogger _log;
+    private readonly IAppDbContext _db;
+    public AppDbService(IAppDbContext dbContext)
+    {
+        _log = Log.ForContext<AppDbService>();
+        _db = dbContext;
+    }
+
+    public async Task InitializeDatabaseAsync()
+    {
+        try
+        {
+            _log.Information("Checking database...");
+
+            // Create db if not exists
+            var created = await _db.Database.EnsureCreatedAsync();
+            if (created)
+            {
+                _log.Information("Database created successfully");
+            }
+            else
+            {
+                _log.Information("Database already exists");
+            }
+
+            // Migration
+            var pendingMigrations = await _db.Database.GetPendingMigrationsAsync();
+            if (pendingMigrations.Any())
+            {
+                _log.Information("Applying pending migrations...");
+                await _db.Database.MigrateAsync();
+                _log.Information("Migrations applied successfully");
+            }
+        }
+        catch (Exception ex)
+        {
+            _log.Error(ex, "Failed to initialize database");
+            throw;
+        }
+    }
+
+    public async Task<Dictionary<string, string>> LoadConfigAsync()
+    {
+        try
+        {
+            _log.Information("Loading configuration from database...");
+            var configs = await _db.Configs.ToDictionaryAsync(c => c.Key, c => c.Value);
+            _log.Information("Loaded {count} configuration entries", configs.Count);
+            return configs;
+        }
+        catch (Exception ex)
+        {
+            _log.Error(ex, "Failed to load configuration from database");
+            throw;
+        }
+    }
+    public async Task<string?> GetConfigAsync(string key)
+    {
+        try
+        {
+            var config = await _db.Configs.FindAsync(key);
+            return config?.Value;
+        }
+        catch (Exception ex)
+        {
+            _log.Error(ex, "Failed to get config value for key: {key}", key);
+            throw;
+        }
+    }
+    public async Task SetConfigAsync(string key, string value)
+    {
+        try
+        {
+            var config = await _db.Configs.FindAsync(key);
+            if (config == null)
+            {
+                config = new Config { Key = key, Value = value };
+                _db.Configs.Add(config);
+            }
+            else
+            {
+                config.Value = value;
+                _db.Configs.Update(config);
+            }
+            await _db.SaveChangesAsync();
+            _log.Debug("Config saved: {key} = {value}", key, value);
+        }
+        catch (Exception ex)
+        {
+            _log.Error(ex, "Failed to set config value for key: {key}", key);
+            throw;
+        }
+    }
+
+
+}