Portable ZIP Export Format

[ssddanbrown]

Todo

• [x] Finish up format document
• [x] ZIP Build Logic
  • [x] Testing
• [x] Export UI additions
• [x] Export Endpoints
  • [x] Testing
• [x] Import role permission
  • [x] Test view/route access control (ensure permission required)
• [x] Import UI
  • [ ] Disable button and show loading on import
• [x] Import Validator Logic
  • [x] Validate no duplicate ids across types.
  • [x] Display of validation results
  • [x] Extract text to translations
• [x] Import logic
  • [ ] Test file handling & DB roll-back on import error.
  • [x] Image extension handling
  • [ ] Test main import handling logic
• [ ] Bring text into translations
• [ ] Other testing
  • [ ] Test whole process with external (s3) storage
  • [ ] Deep test of cross content references.
• [x] New activities?

Notes

Originally planned to add API endpoints as part of this, but think it's better to delay in case further changes/development need to be made.

Doc Updates

• Requirements change - ZIP extension now required.
• Probably worth a documentation page to cover details. Refer to format docs for advanced users.