storj.io/minio@v0.0.0-20230509071714-0cbc90f649b1/cmd/bucket-versioning.go (about)

     1  /*
     2   * MinIO Cloud Storage, (C) 2020 MinIO, Inc.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package cmd
    18  
    19  import "storj.io/minio/pkg/bucket/versioning"
    20  
    21  // BucketVersioningSys - policy subsystem.
    22  type BucketVersioningSys struct{}
    23  
    24  // Enabled enabled versioning?
    25  func (sys *BucketVersioningSys) Enabled(bucket string) bool {
    26  	vc, err := globalBucketMetadataSys.GetVersioningConfig(bucket)
    27  	if err != nil {
    28  		return false
    29  	}
    30  	return vc.Enabled()
    31  }
    32  
    33  // Suspended suspended versioning?
    34  func (sys *BucketVersioningSys) Suspended(bucket string) bool {
    35  	vc, err := globalBucketMetadataSys.GetVersioningConfig(bucket)
    36  	if err != nil {
    37  		return false
    38  	}
    39  	return vc.Suspended()
    40  }
    41  
    42  // Get returns stored bucket policy
    43  func (sys *BucketVersioningSys) Get(bucket string) (*versioning.Versioning, error) {
    44  	if GlobalIsGateway {
    45  		objAPI := newObjectLayerFn()
    46  		if objAPI == nil {
    47  			return nil, errServerNotInitialized
    48  		}
    49  		return nil, NotImplemented{}
    50  	}
    51  	return globalBucketMetadataSys.GetVersioningConfig(bucket)
    52  }
    53  
    54  // Reset BucketVersioningSys to initial state.
    55  func (sys *BucketVersioningSys) Reset() {
    56  	// There is currently no internal state.
    57  }
    58  
    59  // NewBucketVersioningSys - creates new versioning system.
    60  func NewBucketVersioningSys() *BucketVersioningSys {
    61  	return &BucketVersioningSys{}
    62  }