mourningdove/ext/dw-nonfree/cgi-bin/DW/Hooks/AnniversaryPromotion.pm
2026-05-24 01:03:05 +00:00

139 lines
4.4 KiB
Perl

#!/usr/bin/perl
#
# DW::Hooks::AnniversaryPromotion
#
# This file explains Dreamwidth's plans for world domination. Be sure to keep it updated!
#
# Authors:
# Mark Smith <mark@dreamwidth.org>
#
# This program is NOT free software or open-source; you can use it as an
# example of how to implement your own site-specific extensions to the
# Dreamwidth Studios open-source code, but you cannot use it on your site
# or redistribute it, with or without modifications.
#
package DW::Hooks::AnniversaryPromotion;
use strict;
use LJ::Hooks;
use LJ::Time;
# use mysql date format: year-month-date hour::min:seconds
my $start_time = LJ::mysqldate_to_time( "2025-12-01 00:00:00", 1 );
my $end_time = LJ::mysqldate_to_time( "2025-12-31 23:59:59", 1 );
# warn sprintf( "Running shop promo from %s to %s\n", scalar gmtime( $start_time ), scalar gmtime( $end_time ) );
# returns if the promotion is valid right now
sub promo_valid {
return 0 if time < $start_time || time > $end_time;
return 1;
}
# returns how many points this cart is eligible for
# clever; depends on the way that 10 points == $1
# so if you buy $1 worth of stuff, you get 1 extra point (==1/10th of what you bought)
sub cart_bonus_points {
return int( $_[0]->total_cash );
}
# promotion HTML
LJ::Hooks::register_hook(
'shop_controller',
sub {
my ($rv) = @_;
# ensure we're a valid promotional period and not anon
return unless promo_valid();
return if $rv->{shop}->anonymous;
# put the note up top so people know
$rv->{cart_display} .=
"<div class='shop-item-highlight message-box'><strong>"
. LJ::Lang::ml('shop.anniversarypromoblurb')
. "</strong></div>\n";
}
);
# put information after the cart is rendered
LJ::Hooks::register_hook(
'shop_cart_render',
sub {
my ( $retref, %opts ) = @_;
return if $opts{admin} || ( $opts{receipt} && !$opts{confirm} );
# promo period and not anonymous
return unless promo_valid();
return unless $opts{cart}->userid;
# determine how many points they get ... basically, 1 point per $1 USD
# spent.. does not get points for spending points!
my $points = cart_bonus_points( $opts{cart} );
# text depends on how many points they get
$$retref .= '<p class="shop-item-highlight shop-account-status">';
if ( $points > 0 ) {
$$retref .= LJ::Lang::ml( 'shop.annivpromo.points', { points => $points } );
}
else {
$$retref .= LJ::Lang::ml('shop.annivpromo.nopoints');
}
$$retref .= '</p>';
}
);
# this is where the magic happens. when a cart enters or leaves the
# paid state, then we have to apply or unapply their bonus points.
LJ::Hooks::register_hook(
'shop_cart_state_change',
sub {
my ( $cart, $newstate ) = @_;
return unless promo_valid();
# if the cart is going INTO the paid state, then we apply the bonus points
# to the user who bought the items
if ( $newstate == $DW::Shop::STATE_PAID ) {
my $points = cart_bonus_points($cart);
my $u = LJ::load_userid( $cart->userid );
return unless $points && $u;
# now give them the points for their bonus
$u->give_shop_points(
amount => $points,
reason => sprintf( 'order %d bonus points', $cart->id )
);
return;
}
# however, if the OLD state was PROCESSED (means we're being refunded or
# something is happening) then we need to email admins. the logic to
# determine if we ever gave the user bonus points is too fickle, for now
# we can just handle point reversals manually.
if ( $cart->state == $DW::Shop::STATE_PROCESSED ) {
LJ::send_mail(
{
to => $LJ::ADMIN_EMAIL,
from => $LJ::BOGUS_EMAIL,
fromname => $LJ::SITENAME,
subject => 'Attention: Order Investigation Needed',
body => <<EOF,
Dear admins,
Order #@{[$cart->id]} has left the PROCESSED state during an active promotion
period and needs to be investigated. The user may need to have bonus points
unapplied from their account.
Best regards,
The $LJ::SITENAMESHORT Payment System
EOF
}
);
}
}
);
1;