add singleton

src/dto/MiddlewareInfo.dto.ts

@@ -7,10 +7,10 @@ export class MiddlewareInfoDto {
   maxSize?: number;
   @ApiProperty({ description: '是否需要回调' })
   callback?: boolean;
+  @ApiProperty({ description: '是否只能单例运行' })
+  singleton?: boolean;
 
-  constructor(identifier: string, maxSize?: number, callback?: boolean) {
-    this.identifier = identifier;
-    this.maxSize = maxSize;
-    this.callback = callback;
+  constructor(info: Partial<MiddlewareInfoDto>) {
+    Object.assign(this, info);
   }
 }

src/jsd/jsd.service.ts

@@ -30,7 +30,11 @@ export class JsdService extends MiddlewareService {
         'JSDelivr is not configured.',
       ).toException();
     }
-    return new MiddlewareInfoDto(this.jsdIdentifier, 50 * 1024 ** 2);
+    return new MiddlewareInfoDto({
+      identifier: this.jsdIdentifier,
+      maxSize: 50 * 1024 ** 2,
+      callback: false,
+    });
   }
 
   async upload(urlDto: PostUrlDto) {

src/one-two-three/one-two-three.service.ts

@@ -128,7 +128,12 @@ export class OneTwoThreeService extends MiddlewareService {
         'ott is not configured.',
       ).toException();
     }
-    return new MiddlewareInfoDto(this.identifier, 100 * 1024 ** 3, true);
+    return new MiddlewareInfoDto({
+      identifier: this.identifier,
+      maxSize: 50 * 1024 ** 3,
+      callback: true,
+      singleton: true,
+    });
   }
 
   async upload(info) {