Atum REST Service v2

[benedeki]

Background

The current REST API of the server is not complex nor very REST-full. And very rudimentary.

Goal

Create proper REST-full API and implement at least its key endpoints.

Tasks

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1. Design the REST-full API #141
   Server documentation +2
   

   
2. Replace Spring with a different web app framework #145
   +0
3. Create DB Functions for our REST API v2 Endpoints #144
   +0
   
4. APIv2: Refactor REST API endpoint names, extract constants out of them if needed etc #176
   enhancement +1
   
5. --- Partitioning
6. GET /partitionings?partitioning=serializedPartitioning #268
   DB Server enhancement +3
   
7. GET /partitionings/{partId} #226
   DB Server enhancement +3
   
8. POST /partitionings #224
   DB Server enhancement +3
   
9. PATCH /partitionings/{partId}/parents #273
   DB Server enhancement +3
   
10. GET /partitionings/{partId}/additional-data #227
    DB Server enhancement +3
    
11. PATCH /partitionings/{partId}/additional-data #221
    DB Server enhancement +3
    
12. GET /partitionings/{partId}/measures #229
    DB Server enhancement +3
    
13. GET /partitionings/{partId}/checkpoints #230
    DB Server enhancement +3
    
14. GET /partitionings/{partId}/checkpoints/{checkpId} #231
    DB Server enhancement +3
    
15. POST /partitionings/{partId}/checkpoints #232
    DB Server enhancement +3
    
16. GET /partitionings/{partId}/main-flow #234
    DB Server enhancement +3
    
17. --- Flow
18. GET /flows/{flowId}/checkpoints?name= #233
    DB Server enhancement +3
    
19. GET /flows/{flowId}/partitonings #235
    DB Server enhancement +3
    
20. --- partitionings (eventually)
21. GET /partitionings/{partId}/parents -> returns all ancestors, not just direct ones
22. GET /partitionings/{partId}/flows vraci sekvenci flows
23. --- checkpoints (eventually)
24. GET /checkpoints?name=, and what not other filters
25. GET /checkpoints/{chekcpointUUId}