added ownership function

src/draw/coordinate.entity.ts

-import {
-  Entity,
-  Column,
-  PrimaryGeneratedColumn,
-  ManyToOne,
-  Timestamp,
-} from 'typeorm';
+import { Entity, Column, PrimaryGeneratedColumn, ManyToOne } from 'typeorm';
 
-import { Game_PersonEntity, GameEntity } from '../game/game.entity';
+import { GameEntity } from '../game/game.entity';
 import { FactionEntity } from '../faction/faction.entity';
 
 @Entity('MapDrawing')
@@ -25,27 +19,14 @@ export class MapDrawingEntity {
     onDelete: 'CASCADE',
   })
   gameId: GameEntity;
-}
-
-@Entity('Game_Person_MapDrawing')
-export class Game_Person_MapDrawingEntity {
-  @PrimaryGeneratedColumn('uuid') GPmapDrawingId: string;
-  @Column({ type: 'timestamp' }) GPCTimeStamp: Timestamp;
 
-  @ManyToOne(
-    type => Game_PersonEntity,
-    game_person => game_person.gamepersonId,
-    {
-      onDelete: 'CASCADE',
-    },
-  )
-  game_person: Game_PersonEntity;
-  @ManyToOne(
-    type => MapDrawingEntity,
-    map_drawing => map_drawing.mapDrawingId,
-    {
-      onDelete: 'CASCADE',
-    },
-  )
-  map_drawing: MapDrawingEntity;
+  async ownershipCheck(factionEntity, role) {
+    if (role === 'admin') {
+      return factionEntity == this.faction;
+    } else {
+      return this.faction && factionEntity.factionId === this.faction.factionId
+        ? true
+        : false;
+    }
+  }
 }