Single Item Submission Process

https://github.com/duke-libraries/dul-hydra/issues/290

New Form

• Select Collection (required - preset if launched from "Add Item" link on collection page)
• Enter descriptive metadata (for the item, title required)
• Select one or more files to upload (components, required)

SUBMIT

Controller Action - 1

• Create a new DulHydra::Batch::Models::Batch, setting user to current_user
• Associated with that batch, create a new DulHydra::Batch::Models::IngestBatchObject for the Item
  • model: Item
  • pid : Mint a PID for the Item
  • Create a DulHydra::Batch::Models::BatchObjectDatastream for desc_Metadata
    • payload : desc_Metadata.content based on form attributes
    • payload_type : DulHydra::Batch::Models::BatchObjectDatastream::PAYLOAD_TYPE_BYTES
  • Create a DulHydra::Batch::Models::BatchObjectRelationship for parent (i.e., Collection)
  • Create a DulHydra::Batch::Models::BatchObjectRelationship for admin policy
• Associated with that batch, create a new DulHydra::Batch::Models::IngestBatchObject for each Component
  • model : Component
  • Create a DulHydra::Batch::Models::BatchObjectRelationship for parent (i.e., Item)
  • Create a DulHydra::Batch::Models::BatchObjectRelationship for admin policy

Controller Action - 2

• Create a new Item
• Set the descriptive metadata
• Add the item to the collection
• Set the initial permissions of the Item -- see Initial Permissions for New Objects
• Create a "creation" PreservationEvent for the item
• For each file:
  • Create a new Component
  • Set the file to the component's content
  • Add the component to the item
  • Generate a thumbnail for the component (if appropriate for the file type)
  • Set the source term (dc:source) to the original file name
  • Set the initial permissions of the Component -- see Initial Permissions for New Objects
  • Create an "ingestion" PreservationEvent for the Component
• Copy the thumbnail from the first Component that has one to the Item thumbnail
• Copy the Item thumbnail, if it has one to the Collection, unless it already has one

REDIRECT TO ITEM SHOW PAGE