[Feature] Workflow level import and export functionality

[wxyn]

Search before asking

• I had searched in the issues and found no similar feature requirement.

Problem Description

In DSS1.0 version, there is an import and export function for workflows, which was removed due to workflow revisions. Now, it needs to be reopened in this version

Description

Export function
The 'Export' option is provided in the options on the right side of the workflow.

1. The user clicks "Export"
2. At the top of the page, there is a prompt saying 'Exporting, please wait'. If the export is successful, the corresponding workflow will be downloaded locally with the file name 'projectname_workflow name.zip' (name to be confirmed); If the export fails, there will be an error prompt in the upper right corner of the page, and editing the workflow is not allowed during the export process.
   
   
   Import function
   The "Import Workflow" option is provided in the project right-click options
3. The user clicks on "Import Workflow"
4. You can choose to import as a zip package or from hdfs.
5. After the user clicks OK, the message "Importing, please wait" will appear at the top of the page. When the import is successful, the newly imported workflow will be displayed under the corresponding item on the right side of the page and opened for the user. When the import fails, an error message will appear in the upper right corner of the page.
   Only allow import and export within the same project
   
   
   
   
   

Use case

No response

solutions

Open the import and export button at the workflow level in the front-end
Export interface:

Import interface:

Anything else

1. It is not allowed to be edited during export
2. Allow modification of the exported package name, and the workflow name will not change after modification
3. After exporting workflow A, editing and publishing operations are performed on workflow A, and then importing workflow A, the imported workflow A will overwrite the edited workflow

Are you willing to submit a PR?

• Yes I am willing to submit a PR!

[zqburde]

Add it in DSS1.1.2