Storage-operation

1. 新增操作 POST /api/v0/storage/operations

1.1 COPY

request ->

{
    "sourceStorageId": 1,
    "sourceDirectory": "/home",
    "sourceFiles": ["foo.txt", "foo.zip"],
    "targetStorageId": 2,
    "targetDirectory": "/test",
    "operation": "COPY"
}

2. count操作状态 GET /api/v0/storage/operations/group/state/count

{
    "RUNNING": 2,
    "COMPLETE": 8,
    "QUEUED": 5,
    "FAILED": 1
}

3. 操作记录 GET /api/v0/storage/operations

{
  "content": [
             {
                "id": 1,
                "sourceStorageId": 1,
                "sourceDirectory": "/home/fastone",
                "operateFiles": ["aaa", "vvv", "bbb"],
                "operation": "MOVE",
                "targetStorageId": 2,
                "targetDirectory": "/home/test",
                "targetFiles": ["aaa", "vvv", "bbb"],
                "start": "2012",
                "end": "2018",
                "state": "COMPLETE"
             },{
                  "id": 1,
                  "sourceStorageId": 1,
                  "sourceDirectory": "/home/fastone",
                  "operateFiles": ["aaa", "vvv", "bbb"],
                  "operation": "PACK",
                  "targetStorageId": 2,
                  "targetDirectory": "/home/test",
                  "targetFiles": ["fastone.zip"],
                  "start": "2012",
                  "end": "2018",
                  "state": "COMPLETE"
               }
             ],
  "pageable": {
    "sort": {
      "unsorted": false,
      "sorted": true,
      "empty": false
    },
    "pageNumber": 0,
    "pageSize": 1000,
    "offset": 0,
    "paged": true,
    "unpaged": false
  },
  "totalPages": 1,
  "totalElements": 6,
  "last": true,
  "first": true,
  "number": 0,
  "sort": {
    "unsorted": false,
    "sorted": true,
    "empty": false
  },
  "numberOfElements": 6,
  "size": 1000,
  "empty": false
}