Add database Initializer

Geekbot.net/Database/DatabaseInitializer.cs

@@ -0,0 +1,43 @@
+using System;
+using Geekbot.net.Lib;
+using Geekbot.net.Lib.Logger;
+
+namespace Geekbot.net.Database
+{
+    public class DatabaseInitializer
+    {
+        private readonly RunParameters _runParameters;
+        private readonly GeekbotLogger _logger;
+
+        public DatabaseInitializer(RunParameters runParameters, GeekbotLogger logger)
+        {
+            _runParameters = runParameters;
+            _logger = logger;
+        }
+
+        public DatabaseContext Initzialize()
+        {
+            DatabaseContext database = null;
+            try
+            {
+                if (_runParameters.InMemory)
+                {
+                    database = new InMemoryDatabase("geekbot");
+                }
+                else
+                {
+                    database = new SqlDatabase(new SqlConnectionString());
+                }
+
+                database.Database.EnsureCreated();
+            }
+            catch (Exception e)
+            {
+                _logger.Error(LogSource.Geekbot, "Could not Connect to datbase", e);
+                Environment.Exit(GeekbotExitCode.DatabaseConnectionFailed.GetHashCode());
+            }
+
+            return database;
+        }
+    }
+}

Geekbot.net/Database/InMemoryDatabase.cs

@@ -0,0 +1,19 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+
+namespace Geekbot.net.Database
+{
+    public class InMemoryDatabase : DatabaseContext
+    {
+        private readonly string _name;
+
+        public InMemoryDatabase(string name)
+        {
+            _name = name;
+        }
+        
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+            => optionsBuilder.UseLoggerFactory(new LoggerFactory().AddConsole())
+                .UseInMemoryDatabase(databaseName: _name);
+    }
+}

Geekbot.net/Database/SqlConnectionString.cs

@@ -0,0 +1,16 @@
+namespace Geekbot.net.Database
+{
+    public class SqlConnectionString
+    {
+        public string Server { get; set; } = "localhost";
+        public string Port { get; set; } = "3306";
+        public string Database { get; set; } = "geekbot";
+        public string Username { get; set; } = "geekbot";
+        public string Password { get; set; } = "";
+
+        public override string ToString()
+        {
+            return $"Server={Server};Port={Port};Database={Database};Uid={Username};Pwd={Password};";
+        }
+    }
+}

Geekbot.net/Database/SqlDatabase.cs

@@ -0,0 +1,19 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+
+namespace Geekbot.net.Database
+{
+    public class SqlDatabase : DatabaseContext
+    {
+        private readonly SqlConnectionString _connectionString;
+
+        public SqlDatabase(SqlConnectionString connectionString)
+        {
+            _connectionString = connectionString;
+        }
+        
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+            => optionsBuilder.UseLoggerFactory(new LoggerFactory().AddConsole())
+                .UseMySql(_connectionString.ToString());
+    }
+}

Geekbot.net/Program.cs

@@ -107,17 +107,7 @@ namespace Geekbot.net
                 _firstStart = true;
             }
 
-            DatabaseContext database = null;
-            try
-            {
-                database = new DatabaseContext();
-                database.Database.EnsureCreated();
-            }
-            catch (Exception e)
-            {
-                logger.Error(LogSource.Geekbot, "Could not Connect to datbase", e);
-                Environment.Exit(GeekbotExitCode.DatabaseConnectionFailed.GetHashCode());
-            }
+            var database = new DatabaseInitializer(runParameters, logger).Initzialize();
 
             _services = new ServiceCollection();