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ING-907: Added support for locking operations to Data API.
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Brett Lawson
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Sep 24, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| package server_v1 | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| "errors" | ||
|
|
||
| "github.com/couchbase/gocbcorex" | ||
| "github.com/couchbase/gocbcorex/memdx" | ||
| "github.com/couchbase/stellar-gateway/dataapiv1" | ||
| ) | ||
|
|
||
| func (s *DataApiServer) LockDocument( | ||
| ctx context.Context, in dataapiv1.LockDocumentRequestObject, | ||
| ) (dataapiv1.LockDocumentResponseObject, error) { | ||
| bucketAgent, oboUser, errSt := s.authHandler.GetMemdOboAgent(ctx, in.Params.Authorization, in.BucketName) | ||
| if errSt != nil { | ||
| return nil, errSt.Err() | ||
| } | ||
|
|
||
| key, errSt := s.parseKey(in.DocumentKey) | ||
| if errSt != nil { | ||
| return nil, errSt.Err() | ||
| } | ||
|
|
||
| var opts gocbcorex.GetAndLockOptions | ||
| opts.OnBehalfOf = oboUser | ||
| opts.ScopeName = in.ScopeName | ||
| opts.CollectionName = in.CollectionName | ||
| opts.Key = key | ||
|
|
||
| if in.Body.LockTime != nil { | ||
| opts.LockTime = *in.Body.LockTime | ||
| } | ||
|
|
||
| result, err := bucketAgent.GetAndLock(ctx, &opts) | ||
| if err != nil { | ||
| if errors.Is(err, memdx.ErrDocLocked) { | ||
| return nil, s.errorHandler.NewDocLockedStatus(err, in.BucketName, in.ScopeName, in.CollectionName, in.DocumentKey).Err() | ||
| } else if errors.Is(err, memdx.ErrDocNotFound) { | ||
| return nil, s.errorHandler.NewDocMissingStatus(err, in.BucketName, in.ScopeName, in.CollectionName, in.DocumentKey).Err() | ||
| } else if errors.Is(err, memdx.ErrUnknownCollectionName) { | ||
| return nil, s.errorHandler.NewCollectionMissingStatus(err, in.BucketName, in.ScopeName, in.CollectionName).Err() | ||
| } else if errors.Is(err, memdx.ErrUnknownScopeName) { | ||
| return nil, s.errorHandler.NewScopeMissingStatus(err, in.BucketName, in.ScopeName).Err() | ||
| } else if errors.Is(err, memdx.ErrAccessError) { | ||
| return nil, s.errorHandler.NewCollectionNoWriteAccessStatus(err, in.BucketName, in.ScopeName, in.CollectionName).Err() | ||
| } | ||
| return nil, s.errorHandler.NewGenericStatus(err).Err() | ||
| } | ||
|
|
||
| resp := dataapiv1.LockDocument200AsteriskResponse{ | ||
| Headers: dataapiv1.LockDocument200ResponseHeaders{ | ||
| ETag: casToHttpEtag(result.Cas), | ||
| XCBFlags: uint32(result.Flags), | ||
| }, | ||
| } | ||
|
|
||
| contentType := flagsToHttpContentType(result.Flags) | ||
|
|
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| contentEncoding, respValue, errSt := | ||
| CompressHandler{}.MaybeCompressContent(result.Value, 0, in.Params.AcceptEncoding) | ||
| if errSt != nil { | ||
| return nil, errSt.Err() | ||
| } | ||
|
|
||
| resp.ContentType = contentType | ||
| resp.Headers.ContentEncoding = contentEncoding | ||
| resp.Body = bytes.NewReader(respValue) | ||
| resp.ContentLength = int64(len(respValue)) | ||
|
|
||
| return resp, nil | ||
| } | ||
|
|
||
| func (s *DataApiServer) UnlockDocument( | ||
| ctx context.Context, in dataapiv1.UnlockDocumentRequestObject, | ||
| ) (dataapiv1.UnlockDocumentResponseObject, error) { | ||
| bucketAgent, oboUser, errSt := s.authHandler.GetMemdOboAgent(ctx, in.Params.Authorization, in.BucketName) | ||
| if errSt != nil { | ||
| return nil, errSt.Err() | ||
| } | ||
|
|
||
| key, errSt := s.parseKey(in.DocumentKey) | ||
| if errSt != nil { | ||
| return nil, errSt.Err() | ||
| } | ||
|
|
||
| cas, errSt := s.parseCAS(in.Params.IfMatch) | ||
| if errSt != nil { | ||
| return nil, errSt.Err() | ||
| } | ||
|
|
||
| var opts gocbcorex.UnlockOptions | ||
| opts.OnBehalfOf = oboUser | ||
| opts.ScopeName = in.ScopeName | ||
| opts.CollectionName = in.CollectionName | ||
| opts.Key = key | ||
| opts.Cas = cas | ||
|
|
||
| result, err := bucketAgent.Unlock(ctx, &opts) | ||
| if err != nil { | ||
| if errors.Is(err, memdx.ErrCasMismatch) { | ||
| return nil, s.errorHandler.NewDocCasMismatchStatus(err, in.BucketName, in.ScopeName, in.CollectionName, in.DocumentKey).Err() | ||
| } else if errors.Is(err, memdx.ErrDocNotLocked) { | ||
| return nil, s.errorHandler.NewDocNotLockedStatus(err, in.BucketName, in.ScopeName, in.CollectionName, in.DocumentKey).Err() | ||
| } else if errors.Is(err, memdx.ErrDocNotFound) { | ||
| return nil, s.errorHandler.NewDocMissingStatus(err, in.BucketName, in.ScopeName, in.CollectionName, in.DocumentKey).Err() | ||
| } else if errors.Is(err, memdx.ErrUnknownCollectionName) { | ||
| return nil, s.errorHandler.NewCollectionMissingStatus(err, in.BucketName, in.ScopeName, in.CollectionName).Err() | ||
| } else if errors.Is(err, memdx.ErrUnknownScopeName) { | ||
| return nil, s.errorHandler.NewScopeMissingStatus(err, in.BucketName, in.ScopeName).Err() | ||
| } else if errors.Is(err, memdx.ErrAccessError) { | ||
| return nil, s.errorHandler.NewCollectionNoWriteAccessStatus(err, in.BucketName, in.ScopeName, in.CollectionName).Err() | ||
| } | ||
| return nil, s.errorHandler.NewGenericStatus(err).Err() | ||
| } | ||
|
|
||
| return dataapiv1.UnlockDocument200Response{ | ||
| Headers: dataapiv1.UnlockDocument200ResponseHeaders{ | ||
| XCBMutationToken: tokenFromGocbcorex(in.BucketName, result.MutationToken), | ||
| }, | ||
| }, nil | ||
| } |
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