badblocks/pkmntrade.club
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Finish packaging and change to src-based packaging layout, replace caddy with haproxy for performance, and update docker-compose and Dockerfiles for new packaging.

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badblocks 2025-05-09 18:39:04 -07:00
parent 959b06c425
commit 762361a21b
210 changed files with 235 additions and 168 deletions
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51
cards/signals.py
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from django.db.models.signals import m2m_changed
from django.dispatch import receiver
from .models import Card
def color_is_dark(bg_color):
"""
Determine if a given hexadecimal color is dark.
This function accepts a 6-digit hex color string (with or without a leading '#').
It calculates the brightness using the formula:
brightness = (0.299 * red) + (0.587 * green) + (0.114 * blue)
A brightness value less than or equal to 186 indicates that the color is dark.
Args:
bg_color (str): A 6-digit hex color string (e.g. "#FFFFFF" or "FFFFFF").
Returns:
bool: True if the color is dark (brightness <= 186), False otherwise.
"""
# Remove the leading '#' if it exists.
color = bg_color[1:7] if bg_color[0] == '#' else bg_color
# Convert the hex color components to integers.
r = int(color[0:2], 16)
g = int(color[2:4], 16)
b = int(color[4:6], 16)
# Compute brightness based on weighted RGB values.
brightness = (r * 0.299) + (g * 0.587) + (b * 0.114)
return brightness <= 200
@receiver(m2m_changed, sender=Card.decks.through)
def update_card_style(sender, instance, action, **kwargs):
if action == "post_add":
decks = instance.decks.all()
num_decks = decks.count()
if num_decks == 1:
instance.style = "background-color: " + decks.first().hex_color + ";"
elif num_decks >= 2:
hex_colors = [deck.hex_color for deck in decks]
instance.style = f"background: linear-gradient(to right, {', '.join(hex_colors)});"
else:
instance.style = "background: linear-gradient(to right, #AAAAAA, #AAAAAA, #AAAAAA);"
if not color_is_dark(decks.first().hex_color):
instance.style += "color: var(--color-gray-700); text-shadow: 0 0 0 var(--color-gray-700);"
else:
instance.style += "text-shadow: 0 0 0 #fff;"
instance.save(update_fields=["style"])