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The MediaHaven REST API already allows for uploading files but this manner is not robust for uploading large files or when the network connection is unstable. Resumble Resumable uploads will fix this problem case, by offering a robust resumable uploadsmultipart chunked upload.

Design

Business Logic

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Metadata

• The upload API accepts the record ID as an input parameter. To obtain the corresponding session ID of the S3 multipart upload

  • Store the session ID as a new metadata field RecordInformation.ResumableUpload.SessionId with the type HiddenField

  • The workflow to be started when the resumable upload is completed will be stored in RecordInformation.ResumableUpload.Workflow

  • Stores the result session ID in a memory cache, to prevent excessively contacting the REST API

Record status

• Introduction of a new MediaHaven Record Status named Uploading that indicates for /wiki/spaces/CS/pages/4064772158 that its file content will be uploaded in a resumable manner

• Once the resumable upload is completed the MediaHaven Record Status changes to New

Error handling

• When the multipart upload to S3 encounters an error (i.e. incorrect checksum of a chunk), the record will be Rejected

Storage

The S3 storage is treated as one of /wiki/spaces/CS/pages/20643843 in the system to re-use many existing features

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