feat: 开发我的持仓列表

apps/api/src/modules/position/position.entity.ts

@@ -20,7 +20,14 @@ export class Position {
         description: '用户ID',
         example: 1,
     })
-    @Column({ name: 'user_id', type: 'bigint' })
+    @Column({
+        name: 'user_id',
+        type: 'bigint',
+        transformer: {
+            to: (value: number) => value,
+            from: (value: string) => (value ? parseInt(value, 10) : null),
+        },
+    })
     @Index()
     userId: number;
 
@@ -28,7 +35,14 @@ export class Position {
         description: '券商ID',
         example: 1,
     })
-    @Column({ name: 'broker_id', type: 'bigint' })
+    @Column({
+        name: 'broker_id',
+        type: 'bigint',
+        transformer: {
+            to: (value: number) => value,
+            from: (value: string) => (value ? parseInt(value, 10) : null),
+        },
+    })
     @Index()
     brokerId: number;
 
@@ -80,6 +94,10 @@ export class Position {
         precision: 18,
         scale: 4,
         default: 0,
+        transformer: {
+            to: (value: number) => value,
+            from: (value: string) => (value ? parseFloat(value) : 0),
+        },
     })
     shares: number;
 
@@ -92,6 +110,10 @@ export class Position {
         type: 'decimal',
         precision: 18,
         scale: 4,
+        transformer: {
+            to: (value: number) => value,
+            from: (value: string) => (value ? parseFloat(value) : null),
+        },
     })
     costPrice: number;
 
@@ -105,9 +127,30 @@ export class Position {
         precision: 18,
         scale: 4,
         nullable: true,
+        transformer: {
+            to: (value: number | undefined) => value,
+            from: (value: string | null) => (value ? parseFloat(value) : null),
+        },
     })
     currentPrice?: number;
 
+    @ApiPropertyOptional({
+        description: '上一次的价格（用于对比显示红绿色）',
+        example: 1800.0,
+    })
+    @Column({
+        name: 'previous_price',
+        type: 'decimal',
+        precision: 18,
+        scale: 4,
+        nullable: true,
+        transformer: {
+            to: (value: number | undefined) => value,
+            from: (value: string | null) => (value ? parseFloat(value) : null),
+        },
+    })
+    previousPrice?: number;
+
     @ApiProperty({
         description: '货币类型',
         example: 'CNY',
@@ -133,6 +176,10 @@ export class Position {
         precision: 10,
         scale: 6,
         default: 1,
+        transformer: {
+            to: (value: number | undefined) => value,
+            from: (value: string | null) => (value ? parseFloat(value) : 1),
+        },
     })
     exchangeRate?: number;