Analytics, database transactions, shortcuts indexes

[parfeniukink]

• recalculate positions on shortcut insert

  • solution
    • get last shortcut (with the greater index_position)
    • +1 to that value and save

• recalculate positions on shortcut delete

  • get all shortcuts that stand after this one
  • delete shortcut
  • update selected shortcuts, set index_position -1

• set position

  • user_input with position (int)
  • select from shortcuts where index_position=user_input
  • select from shortcuts where index_position>=juser_input
  • update all shortcuts after this one (including) +1 to index_position
  • update selected shortcut, set index_position to user_input

• make UI available to update the position

  • settings?

FLOW for changing position

INPUT: E.position = 2

A (1)
B (2)
C (3)
D (4)
E (5) -> (2)
F (6)
G (7)
H (8)

select where `E.position > position >= B.position

A (1)
B (2)
C (3)
D (4)
E (5)
F (6)
G (7)
H (8)

• +1 to B,C,D position

A (1)
B (3) updated
C (4) updated
D (5) updated
E (5)
F (6)
G (7)
H (8)

• set position to the selected shortcut

A (1)
E (2) updated
B (3)
C (4)
D (5)
F (6)
G (7)
H (8)