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  1. Nuxeo Platform
  2. NXP-12335

Specify Workflow API

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    Details

    • Type: User story
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 5.7.3
    • Component/s: Rest API

      Description

      We expose through the REST API two new kind of resources:

      • Workflow : a workflow instance
      • Task: a task instance
        In the future, we will probably add WorkflowModel.

      Workflow resource exposes the following information:

      • id
      • name (that comes from the workflow template)
      • AttachedDocuments (ids)
      • WorkflowVariables
      • NodesList (can be used for building the graph, no needed to have a "Nodee ressource, it can just be an array with position information etc...)
      • StartTime
      • workflowParent (optional)
      • workflowParentNode:(name of the parent node)

      Task resource exposes the following information:

      • id
      • name (title of the task, usually equal to node_name)
      • node_name( template id of the node that produced the task)
      • state (cancelled, opened, ended)
      • status (completing status = which button was clicked)
      • variables (where we find variables transmitted when completing the task
      • targetDocuments (note: currently on the task object, there is only targetDocumentId, this should be an evolution, so as to be consistent on the whole api, as we can start a workflow on a list of documents).
      • actors (= assignees)
      • directive
      • comment
      • workflowId
      • workflowName (not implemented yet, enable to sort by process model)
      • created
      • due date
      • Create and start a workflow instance:
        POST /api/workflow/  (in the body : a Workflow resource with at least name and variables)

        Optionally,can tell to also start the wf in the body

      • Create and Start a workflow instance on a document:
        POST /api/id/{documentId}/@wf/  (in the body : a Workflow resource with at least name and variables)

        It returns a workflow resource.

      • Fetch a workflow instance:
        GET /api/workflow/{workflowId} 

        It returns a workflow resource

      • Cancel a workflow instance (only for administrators group and initiator of the workflow)
        DELETE /api/workflow/{workflowId}
      • Get tasks related to a given workflow on a given document (not related to a user)
        GET /api/id/{docId}/@wf/{workflowId}/@tasks/   (if workflowId is null ---> all open  the tasks of all processes on the document)
        

      TODO: extract adapters in the spec

      • Complete a task
        PUT /api/task/{taskId}/complete  ( in the body: a Task resource)
        
      • Get tasks related to a user (for doing a user dashboard)
        GET /api/task (returns all the tasks assigned to current user)
        GET /api/task?user={userId} (returns all the tasks assigned to the user)
      • Get tasks for a given process name
        GET /api/task?userId={userId}&workflowId={workflowId}
      • Get running workflows launched by the user
        GET /api/workflow/

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