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LightingSKA Gacha - Coggle Diagram

- - - - upsert prize_no=0
        
        return 1
  - - - return 0
    - - generate prize_no
        
        insert prize with number: insert_qty
        
        random prize_no: 1 - max_prize_no
        
        check prize_no must no exists (status!=2)
        
        return insert_qty
    - - remove available prize
        
        remove only status=0 with number: remove_qty
- - - - return failed
    - - generate random number
        
        random_no: 1 - max_prize_no
        
        in gacha_prize
        
        prize available (status == 0)
        
        return success (prize_no == random_no)
        
        set prize to unavailable (status = 1)
        
        prize unavailable (status == 1)
        
        do random
        
        not in gacha_prize
        
        will guarantee
        
        false
        
        return success (prize_no == 0)
        
        consolation Prize
        
        true
        
        random available prize (status == 0)
        
        return success (prize_no == random)
        
        set prize to unavailable (status = 1)
- - - - at_guarantee == true
        
        target_prize_count: floor(all_prize_count/guarantee_qty)
        
        target_prize_count > win_prize_count
        
        return true
        
        target_prize_count <= win_prize_count
        
        return false
      - at_guarantee == false
        
        return false