Update 'Class_Diagram'

Class_Diagram.md

@@ -510,7 +510,7 @@ package Data <<Database>> #ddd {
       
       class PlayerExtensions <<static>> $done
     
-      class PlayerDbManager $inprogress
+      class PlayerDbManager $done
     
     }
     
@@ -597,7 +597,7 @@ package Data <<Database>> #ddd {
       
       class PlayerExtensions <<static>> $done
     
-      class PlayerDbManager $inprogress
+      class PlayerDbManager $done
     
     }
     
@@ -708,8 +708,10 @@ package Data <<Database>> #ddd {
         /+Name: string
       }
     
-      class PlayerDbManager $inprogress {
+      class PlayerDbManager $done {
         +Ctor(db: DiceAppDbContext)
+        +IsPresentByName(name: string): bool
+        +IsPresentByID(ID: Guid): bool
       }
     
     }
@@ -780,7 +782,7 @@ package Data <<Database>> #ddd {
     
       class PlayerEntity $done
       
-      class PlayerDbManager $inprogress {
+      class PlayerDbManager $done {
         +Ctor(db: DiceAppDbContext)
       }