[성현모] EFCore 기능 추, dll 버전 추가

Projects/HubX/HubX.Server/Services/EFCoreService.cs

@@ -0,0 +1,62 @@
+using DB.HubXDB;
+using HubX.Library.Config;
+using Microsoft.EntityFrameworkCore;
+using SystemX.Core.Config.Model;
+using SystemX.Core.DB;
+using SystemX.Core.Services;
+
+namespace HubX.Server.Services
+{
+    public class EFCoreService
+    {
+        private readonly Dictionary<string, DbContext> DicDbContext = new Dictionary<string, DbContext>();
+        private readonly ConfigService<WebApiConfig> _configService;
+
+        public EFCoreService(ConfigService<WebApiConfig> configService)
+        {
+            _configService = configService;
+            InitializeDB();
+        }
+
+        #region Initialize DBContext
+        private void InitializeDB()
+        {
+            var dbList = _configService.GetConfig()?.DataBase;
+            if (dbList is not null)
+            {
+                foreach (var db in dbList)
+                {
+                    if (typeof(HubXContext).Name == db.DBContext)
+                    {
+                        CreateDBContext<HubXContext>(db);
+                    }                   
+                }
+            }
+        }
+
+        private void CreateDBContext<TDBContext>(DataBase? dbConfig) where TDBContext : DbContext, new()
+        {
+            var connectionString = dbConfig?.ConvertToConnectionString();
+
+            var dbContext = new TDBContext();
+            dbContext.Database.SetConnectionString($"{connectionString}");
+
+            if (dbContext is not null)
+                DicDbContext.Add($"{dbConfig?.DBContext}_{dbConfig?.DBID}", dbContext);
+        }
+        #endregion
+
+        public TDBContext? GetDBContext<TDBContext>(int dbID = 1) where TDBContext : DbContext
+        {
+            TDBContext? dBContext = default;
+
+            var dbContextType = typeof(TDBContext);
+            if (DicDbContext.TryGetValue($"{dbContextType.Name}_{dbID}", out var context) == true)
+            {
+                dBContext = context as TDBContext;
+            }
+
+            return dBContext;
+        }
+    }//class end
+}