def create_event(event_sku, blocks=2, seats_per_block=32, tier="General"):
"""Create the seats blocks for the given event. 32 bits are available for
seats. This could be extended to accommodate more bits, by storing multiple
u32 fields."""
block_name = "A"
for _ in range(blocks):
filled_seat_map = int(
math.pow(2, min(seats_per_block, __max__seats_per_block__))) - 1
vals = ["SET", "u32", 0, filled_seat_map]
key = keynamehelper.create_key_name("seatmap", event_sku, tier,
block_name)
redis.execute_command("BITFIELD", key, *vals)
block_name = textincr.incr_str(block_name)
def create_seatmap(event_sku, tiers, capacity):
"""Add keys for seat reservation unit"""
import math
block_name = "A"
# Use this formula if you want multiple 32bit blocks stored in a single key.
# More compact, harder to understand
# seats_per_block = min(max_seats_per_block, -(-capacity / tiers))
seats_per_block = max_seats_per_block
blocks_to_fill = -(-capacity // seats_per_block)
to_fill = capacity
for k in range(blocks_to_fill):
seats_in_block = min(to_fill, seats_per_block)
filled_seat_map = int(math.pow(2, seats_in_block))-1
# vals = ["SET", "u32", k * seats_per_block, filled_seat_map]
vals = ["SET", "u32", 0, filled_seat_map]
seat_key = create_key_name("seatmap", event_sku,
ticket_tiers[(k % tiers) +1], block_name)
p.execute_command("BITFIELD", seat_key, *vals)
to_fill -= seats_in_block
block_name = textincr.incr_str(block_name)
p.execute()