[app-web-oof.git] / lib / App / Web / Oof.pm

package App::Web::Oof;

use 5.014000;
use strict;
use warnings;
use utf8;
use parent qw/Plack::Component/;

our $VERSION = '0.000_006';

use DBIx::Simple;
use Email::Sender::Simple 'sendmail';
use Email::Simple;
use File::Slurp;
use HTML::TreeBuilder;
use HTML::Element::Library;
use JSON::MaybeXS qw/encode_json decode_json/;
use Plack::Builder;
use Plack::Request;
use Try::Tiny;

sub HTML::Element::iter3 {
	my ($self, $data, $code) = @_;
	my $orig = $self;
	my $prev = $orig;
	for my $el (@$data) {
		my $current = $orig->clone;
		$code->($el, $current);
		$prev->postinsert($current);
		$prev = $current;
	}
	$orig->detach;
}

sub HTML::Element::fid    { shift->look_down(id    => shift) }
sub HTML::Element::fclass { shift->look_down(class => qr/\b$_[0]\b/) }

##################################################

my %db;
my ($form, $continue, $order, $details, $pay);

{
	sub parse_html {
		my $builder = HTML::TreeBuilder->new;
		$builder->ignore_unknown(0);
		$builder->parse_file("tmpl/$_[0].html");
		$builder
	}

	$form     = parse_html 'form';
	$continue = parse_html 'continue';
	$order    = parse_html 'order';
	$details  = parse_html 'details';
	$pay      = parse_html 'pay';
}

sub stringify_money { sprintf "£%.2f", $_[0] / 100 }

sub make_slug {
	my $slug = $_[0];
	$slug =~ y/ /-/;
	$slug =~ y/a-zA-Z0-9-//cd;
	$slug
}

sub product_to_schemaorg {
	my ($include_url, %data) = @_;
	my $stock = $data{stock} > 0 ? 'InStock' : 'OutOfStock';
	+{
		'@context' => 'http://schema.org/',
		'@type'    => 'Product',
		name => $data{title},
		image => "/static/fullpics/$data{product}-1.jpg",
		description => $data{summary},
		offers => {
			'@type' => 'Offer',
			price => ($data{price} =~ s/(..)$/\.$1/r),
			priceCurrency => 'GBP',
			availability => "http://schema.org/$stock",
			($include_url ? (url => "/details/$data{product}/" . make_slug $data{title}) : ())
		}
	}
}

our %highlight;
sub form_table_row {
	my ($data, $tr) = @_;
	$tr->attr(class => 'highlight') if $highlight{$data->{product}};
	$tr->fclass($_)->replace_content($data->{$_}) for qw/title subtitle stock/;
	$tr->fclass('price')->replace_content(stringify_money $data->{price});
	$tr->fclass('freepost')->detach unless $data->{freepost};
	$tr->fclass('title')->attr('data-product', $data->{product});
	$tr->fclass('title')->attr('href', '/details/'.$data->{product}.'/'.make_slug $data->{title});
#	$tr->fclass('title')->attr('data-summary', $data->{summary});
	$tr->look_down(_tag => 'input')->attr(max => $data->{stock});
	$tr->look_down(_tag => 'input')->attr(name => 'quant'.$data->{product});
}

sub form_app {
	my ($env) = @_;
	$db{$$} //= DBIx::Simple->connect($ENV{OOF_DSN} // 'dbi:Pg:');
	my $req = Plack::Request->new($env);

	local %highlight = map { $_ => 1 } $req->param('highlight');
	my $data = $db{$$}->select(products => '*', {}, 'product')->hashes;
	my $tree = $form->clone;
	$tree->find('tbody')->find('tr')->iter3($data, \&form_table_row);

	[200, ['Content-type' => 'text/html; charset=utf-8'], [$tree->as_HTML]]
}

sub continue_table_row {
	my ($data, $tr) = @_;
	$tr->fclass($_)->replace_content($data->{$_}) for qw/title subtitle quantity/;
	$tr->fclass('freepost')->detach unless $data->{freepost};
	$tr->fclass('price')->replace_content(stringify_money $data->{subtotal});
	$tr->fclass('title')->attr('data-product', $data->{product});
}

sub continue_app {
	my ($env) = @_;
	$db{$$} //= DBIx::Simple->connect($ENV{OOF_DSN} // 'dbi:Pg:');
	my $tree = $continue->clone;
	my $req = Plack::Request->new($env);
	my $params = $req->body_parameters;

	my ($quant, $quant_freepost, $total, @data, @notes) = (0) x 3;
	for (sort keys %$params) {
		next unless /^quant/;
		next unless $params->{$_};
		my $data = $db{$$}->select(products => '*', {product => substr $_, 5})->hash;
		$data->{quantity} = $params->{$_};
		if ($data->{stock} == 0) {
			push @notes, 'Item is out of stock and was removed from order: '.$data->{title};
			next
		}
		if ($data->{quantity} > $data->{stock}) {
			$data->{quantity} = $data->{stock};
			push @notes, 'Not enough units of "'.$data->{title}.'" available. Quantity reduced to '.$data->{quantity}
		}
		$data->{subtotal} = $data->{price} * $data->{quantity};
		$quant += $data->{quantity};
		$quant_freepost += $data->{quantity} if $data->{freepost};
		$total += $data->{subtotal};
		push @data, $data
	}

	return [500, ['Content-type' => 'text/plain'], ['Error: no items in order.']] unless $quant;

	$tree->fid('subtotal')->replace_content(stringify_money $total);
	my $dvalue;
	if ($params->{discount}) {
		my $discount = $db{$$}->select(discounts => '*', {discount => $params->{discount}})->hash;
		if (!defined $discount) {
			push @notes, 'Discount code incorrect. No discount applied.'
		} elsif ($db{$$}->select(orders => 'COUNT(*)', {discount => $params->{discount}})->list) {
			push @notes, 'Discount code already used once. No discount applied.'
		} else {
			$dvalue = int (0.5 + $discount->{fraction} * $total) if $discount->{fraction};
			$dvalue = $discount->{flat}                          if $discount->{flat};
			$tree->fid('discount')->replace_content('-'.stringify_money $dvalue);
			$total -= $dvalue;
			$tree->look_down(name => 'discount')->attr(value => $params->{discount});
			push @notes, 'Discount applied.'
		}
	}
	$tree->look_down(name => 'discount')->detach unless $dvalue;
	$tree->fid('discount_tr')->detach unless $dvalue;
	my $postage = 220 + 50 * ($quant - $quant_freepost);
	$postage = 0 if $quant == $quant_freepost;
	$tree->fid('postage')->replace_content(stringify_money $postage);
	$total += $postage;
	$tree->fid('total')->replace_content(stringify_money $total);

	$tree->fid('order')->find('tbody')->find('tr')->iter3(\@data, \&continue_table_row);
	$tree->iter($tree->fid('notes')->find('li') => @notes);

	$tree->look_down(name => 'products')->attr(value => encode_json \@data);
	$tree->look_down(name => 'total')->attr(value => $total);

	[200, ['Content-type' => 'text/html; charset=utf-8'], [$tree->as_HTML]]
}

sub order_app {
	my ($env) = @_;
	$db{$$} //= DBIx::Simple->connect($ENV{OOF_DSN} // 'dbi:Pg:');
	my $tree = $order->clone;
	my $req = Plack::Request->new($env);
	my ($id) = $env->{PATH_INFO} =~ m,^/([0-9A-F]+),;
	if ($id) {
		my $total = $db{$$}->select(orders => 'total', {id => $id})->list or
		  return [500, ['Content-type', 'text/plain'], ['Order not found']];
		$tree->fid('orderid')->replace_content($id);
		$tree->look_down(name => 'order')->attr(value => $id);
		$tree->fid('total')->replace_content(stringify_money $total);
		$tree->find('script')->attr('data-amount', $total);
		return [200, ['Content-type' => 'text/html; charset=utf-8'], [$tree->as_HTML]]
	} else {
		my %parms = %{$req->body_parameters};
		my $id = sprintf "%X%04X", time, $$;
		my $err;
		try {
			$db{$$}->begin_work;
			my $products = decode_json $req->body_parameters->{products};
			for my $prod (@$products) {
				my $stock = $db{$$}->select(products => 'stock', {product => $prod->{product}})->list;
				die "Not enough of " .$prod->{title}."\n" if $prod->{quantity} > $stock;
				$db{$$}->update(products => {stock => $stock - $prod->{quantity}}, {product => $prod->{product}});
			}
			$db{$$}->insert(orders => {id => $id, %parms});
			$db{$$}->commit;
			sendmail (Email::Simple->create(
				header => [
					From    => $ENV{OOF_EMAIL_FROM},
					To      => $ENV{OOF_EMAIL_TO},
					Subject => "Order $id placed",
				],
				body => 'A new order was placed.',
			)) if $ENV{OOF_EMAIL_TO};
		} catch {
			$db{$$}->rollback;
			$err = [500, ['Content-type', 'text/plain'], ["Error: $_"]]
		};
		return $err if $err;
		return [303, [Location => "/order/$id"], []]
	}
}

sub cancel {
	my ($order) = @_;
	$db{$$} //= DBIx::Simple->connect($ENV{OOF_DSN} // 'dbi:Pg:');
	$order = $db{$$}->select(orders => '*', {id => $order})->hash;
	my $products = decode_json $order->{products};
	$db{$$}->begin_work;
	try {
		for my $prod (@$products) {
			my $stock = $db{$$}->select(products => 'stock', {product => $prod->{product}})->list;
			$db{$$}->update(products => {stock => $stock + $prod->{quantity}}, {product => $prod->{product}});
		}
		$db{$$}->delete(orders => {id => $order->{id}});
		$db{$$}->commit;
	} catch {
		$db{$$}->rollback;
		die $_
	}
}

sub details_list_element {
	my ($data, $li) = @_;
	$li->find('a')->attr(href => "/$data");
	my $thumb = $data =~ s/fullpics/thumbs/r;
	$thumb = $data unless -f $thumb;
	$li->find('img')->attr(src => "/$thumb");
}

sub details_app {
	my ($env) = @_;
	$db{$$} //= DBIx::Simple->connect($ENV{OOF_DSN} // 'dbi:Pg:');
	my $tree = $details->clone;
	my ($id) = $env->{PATH_INFO} =~ m,^/(\d+),;
	my %data = %{$db{$$}->select(products => '*', {product => $id})->hash};
	my @pics = <static/fullpics/$id-*>;
	my $slug = make_slug $data{title};
	$tree->find('title')->replace_content("$data{title} | ledparts4you");
	$tree->find('h2')->replace_content($data{title});
	$tree->fid('summary')->replace_content($data{summary});
	$tree->look_down(rel => 'canonical')->attr(href => "/details/$id/$slug");
	$tree->fid('pictures')->find('li')->iter3(\@pics, \&details_list_element);
	$tree->fid('jsonld')->replace_content(encode_json product_to_schemaorg '', %data);

	for my $ahref ($tree->find('a')) {
		$ahref->attr(href => "/form?highlight=$id") if $ahref->attr('href') eq '/';
	}

	[200, ['Content-type' => 'text/html; charset=utf-8'], [$tree->as_HTML]]
}

sub pay_app {
	my ($env) = @_;
	my $req = Plack::Request->new($env);
	$db{$$} //= DBIx::Simple->connect($ENV{OOF_DSN} // 'dbi:Pg:');
	my $order = $req->body_parameters->{order};
	my $token = $req->body_parameters->{stripeToken};
	return [500, ['Content-type' => 'text/html; charset=utf-8'], ['No token received, payment did not succeed.']] unless $token;
	$db{$$}->update(orders => {stripe_token => $token}, {id => $order});
	[200, ['Content-type' => 'text/html; charset=utf-8'], [$pay->as_HTML]];
}

sub app {
	my $footer = read_file 'tmpl/footer.html';
	builder {
		enable sub {
			my $app = shift;
			sub {
				my $res = $app->(@_);
				$res->[2][0] =~ s,</body>,$footer</body>, if $res->[0] == 200;
				$res;
			}
		};
		mount '/' => sub { [301, [Location => '/form'], []] };
		mount '/form'     => \&form_app;
		mount '/continue' => \&continue_app;
		mount '/order'    => \&order_app;
		mount '/details'  => \&details_app;
		mount '/pay'      => \&pay_app;
	}
}

1;
__END__

=head1 NAME

App::Web::Oof - Oversimplified order form / ecommerce website

=head1 SYNOPSIS

  use App::Web::Oof;

=head1 DESCRIPTION

Oof (Oversimplified order form) is a very simple ecommerce website.
It is the code behind L<https://ledparts4you.uk.to>.

This version is reasonably functional, yet not very reusable, hence
the version number.

=head1 AUTHOR

Marius Gavrilescu, E<lt>marius@ieval.roE<gt>

=head1 COPYRIGHT AND LICENSE

Copyright (C) 2016 by Marius Gavrilescu

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.22.1 or,
at your option, any later version of Perl 5 you may have available.


=cut
Commit	Line	Data
6e33dd68 MG	1	package App::Web::Oof;
	2
	3	use 5.014000;
	4	use strict;
	5	use warnings;
	6	use utf8;
	7	use parent qw/Plack::Component/;
	8
6348c409	9	our $VERSION = '0.000_006';
6e33dd68 MG	10
6e33dd68 MG	11	use DBIx::Simple;
8526cf2b MG	12	use Email::Sender::Simple 'sendmail';
8526cf2b MG	13	use Email::Simple;
1576fc41	14	use File::Slurp;
6e33dd68 MG	15	use HTML::TreeBuilder;
	16	use HTML::Element::Library;
	17	use JSON::MaybeXS qw/encode_json decode_json/;
	18	use Plack::Builder;
	19	use Plack::Request;
1576fc41	20	use Try::Tiny;
6e33dd68 MG	21
	22	sub HTML::Element::iter3 {
	23	my ($self, $data, $code) = @_;
	24	my $orig = $self;
	25	my $prev = $orig;
	26	for my $el (@$data) {
	27	my $current = $orig->clone;
	28	$code->($el, $current);
	29	$prev->postinsert($current);
	30	$prev = $current;
	31	}
	32	$orig->detach;
	33	}
	34
	35	sub HTML::Element::fid { shift->look_down(id => shift) }
	36	sub HTML::Element::fclass { shift->look_down(class => qr/\b$_[0]\b/) }
	37
	38	##################################################
	39
1576fc41 MG	40	my %db;
1576fc41 MG	41	my ($form, $continue, $order, $details, $pay);
6e33dd68 MG	42
	43	{
	44	sub parse_html {
	45	my $builder = HTML::TreeBuilder->new;
	46	$builder->ignore_unknown(0);
	47	$builder->parse_file("tmpl/$_[0].html");
	48	$builder
	49	}
	50
	51	$form = parse_html 'form';
	52	$continue = parse_html 'continue';
	53	$order = parse_html 'order';
1576fc41 MG	54	$details = parse_html 'details';
1576fc41 MG	55	$pay = parse_html 'pay';
6e33dd68 MG	56	}
	57
	58	sub stringify_money { sprintf "£%.2f", $_[0] / 100 }
	59
1576fc41 MG	60	sub make_slug {
	61	my $slug = $_[0];
	62	$slug =~ y/ /-/;
	63	$slug =~ y/a-zA-Z0-9-//cd;
	64	$slug
	65	}
	66
8bb7ab90 MG	67	sub product_to_schemaorg {
	68	my ($include_url, %data) = @_;
	69	my $stock = $data{stock} > 0 ? 'InStock' : 'OutOfStock';
	70	+{
	71	'@context' => 'http://schema.org/',
	72	'@type' => 'Product',
	73	name => $data{title},
	74	image => "/static/fullpics/$data{product}-1.jpg",
	75	description => $data{summary},
	76	offers => {
	77	'@type' => 'Offer',
	78	price => ($data{price} =~ s/(..)$/\.$1/r),
	79	priceCurrency => 'GBP',
	80	availability => "http://schema.org/$stock",
	81	($include_url ? (url => "/details/$data{product}/" . make_slug $data{title}) : ())
	82	}
	83	}
	84	}
	85
fc536c37	86	our %highlight;
6e33dd68 MG	87	sub form_table_row {
6e33dd68 MG	88	my ($data, $tr) = @_;
fc536c37	89	$tr->attr(class => 'highlight') if $highlight{$data->{product}};
6e33dd68 MG	90	$tr->fclass($_)->replace_content($data->{$_}) for qw/title subtitle stock/;
6e33dd68 MG	91	$tr->fclass('price')->replace_content(stringify_money $data->{price});
8bbff1bc	92	$tr->fclass('freepost')->detach unless $data->{freepost};
6e33dd68	93	$tr->fclass('title')->attr('data-product', $data->{product});
1576fc41 MG	94	$tr->fclass('title')->attr('href', '/details/'.$data->{product}.'/'.make_slug $data->{title});
1576fc41 MG	95	# $tr->fclass('title')->attr('data-summary', $data->{summary});
6e33dd68 MG	96	$tr->look_down(_tag => 'input')->attr(max => $data->{stock});
	97	$tr->look_down(_tag => 'input')->attr(name => 'quant'.$data->{product});
	98	}
	99
	100	sub form_app {
	101	my ($env) = @_;
1576fc41	102	$db{$$} //= DBIx::Simple->connect($ENV{OOF_DSN} // 'dbi:Pg:');
fc536c37	103	my $req = Plack::Request->new($env);
6e33dd68	104
fc536c37	105	local %highlight = map { $_ => 1 } $req->param('highlight');
1576fc41	106	my $data = $db{$$}->select(products => '*', {}, 'product')->hashes;
6e33dd68 MG	107	my $tree = $form->clone;
	108	$tree->find('tbody')->find('tr')->iter3($data, \&form_table_row);
	109
	110	[200, ['Content-type' => 'text/html; charset=utf-8'], [$tree->as_HTML]]
	111	}
	112
	113	sub continue_table_row {
	114	my ($data, $tr) = @_;
	115	$tr->fclass($_)->replace_content($data->{$_}) for qw/title subtitle quantity/;
8bbff1bc	116	$tr->fclass('freepost')->detach unless $data->{freepost};
6e33dd68 MG	117	$tr->fclass('price')->replace_content(stringify_money $data->{subtotal});
	118	$tr->fclass('title')->attr('data-product', $data->{product});
	119	}
	120
	121	sub continue_app {
	122	my ($env) = @_;
1576fc41	123	$db{$$} //= DBIx::Simple->connect($ENV{OOF_DSN} // 'dbi:Pg:');
6e33dd68 MG	124	my $tree = $continue->clone;
	125	my $req = Plack::Request->new($env);
	126	my $params = $req->body_parameters;
	127
8bbff1bc	128	my ($quant, $quant_freepost, $total, @data, @notes) = (0) x 3;
6e33dd68 MG	129	for (sort keys %$params) {
	130	next unless /^quant/;
	131	next unless $params->{$_};
1576fc41	132	my $data = $db{$$}->select(products => '*', {product => substr $_, 5})->hash;
6e33dd68 MG	133	$data->{quantity} = $params->{$_};
	134	if ($data->{stock} == 0) {
	135	push @notes, 'Item is out of stock and was removed from order: '.$data->{title};
	136	next
	137	}
	138	if ($data->{quantity} > $data->{stock}) {
	139	$data->{quantity} = $data->{stock};
	140	push @notes, 'Not enough units of "'.$data->{title}.'" available. Quantity reduced to '.$data->{quantity}
	141	}
	142	$data->{subtotal} = $data->{price} * $data->{quantity};
	143	$quant += $data->{quantity};
8bbff1bc	144	$quant_freepost += $data->{quantity} if $data->{freepost};
6e33dd68 MG	145	$total += $data->{subtotal};
	146	push @data, $data
	147	}
	148
1576fc41 MG	149	return [500, ['Content-type' => 'text/plain'], ['Error: no items in order.']] unless $quant;
1576fc41 MG	150
6e33dd68 MG	151	$tree->fid('subtotal')->replace_content(stringify_money $total);
	152	my $dvalue;
	153	if ($params->{discount}) {
1576fc41	154	my $discount = $db{$$}->select(discounts => '*', {discount => $params->{discount}})->hash;
6e33dd68 MG	155	if (!defined $discount) {
6e33dd68 MG	156	push @notes, 'Discount code incorrect. No discount applied.'
1576fc41	157	} elsif ($db{$$}->select(orders => 'COUNT(*)', {discount => $params->{discount}})->list) {
6e33dd68 MG	158	push @notes, 'Discount code already used once. No discount applied.'
	159	} else {
	160	$dvalue = int (0.5 + $discount->{fraction} * $total) if $discount->{fraction};
	161	$dvalue = $discount->{flat} if $discount->{flat};
	162	$tree->fid('discount')->replace_content('-'.stringify_money $dvalue);
	163	$total -= $dvalue;
	164	$tree->look_down(name => 'discount')->attr(value => $params->{discount});
	165	push @notes, 'Discount applied.'
	166	}
	167	}
	168	$tree->look_down(name => 'discount')->detach unless $dvalue;
	169	$tree->fid('discount_tr')->detach unless $dvalue;
8bbff1bc MG	170	my $postage = 220 + 50 * ($quant - $quant_freepost);
8bbff1bc MG	171	$postage = 0 if $quant == $quant_freepost;
6e33dd68 MG	172	$tree->fid('postage')->replace_content(stringify_money $postage);
	173	$total += $postage;
	174	$tree->fid('total')->replace_content(stringify_money $total);
	175
	176	$tree->fid('order')->find('tbody')->find('tr')->iter3(\@data, \&continue_table_row);
	177	$tree->iter($tree->fid('notes')->find('li') => @notes);
	178
	179	$tree->look_down(name => 'products')->attr(value => encode_json \@data);
	180	$tree->look_down(name => 'total')->attr(value => $total);
	181
	182	[200, ['Content-type' => 'text/html; charset=utf-8'], [$tree->as_HTML]]
	183	}
	184
	185	sub order_app {
	186	my ($env) = @_;
1576fc41	187	$db{$$} //= DBIx::Simple->connect($ENV{OOF_DSN} // 'dbi:Pg:');
6e33dd68 MG	188	my $tree = $order->clone;
6e33dd68 MG	189	my $req = Plack::Request->new($env);
1576fc41 MG	190	my ($id) = $env->{PATH_INFO} =~ m,^/([0-9A-F]+),;
1576fc41 MG	191	if ($id) {
85e0d9a2 MG	192	my $total = $db{$$}->select(orders => 'total', {id => $id})->list or
85e0d9a2 MG	193	return [500, ['Content-type', 'text/plain'], ['Order not found']];
1576fc41 MG	194	$tree->fid('orderid')->replace_content($id);
	195	$tree->look_down(name => 'order')->attr(value => $id);
	196	$tree->fid('total')->replace_content(stringify_money $total);
	197	$tree->find('script')->attr('data-amount', $total);
	198	return [200, ['Content-type' => 'text/html; charset=utf-8'], [$tree->as_HTML]]
	199	} else {
	200	my %parms = %{$req->body_parameters};
	201	my $id = sprintf "%X%04X", time, $$;
	202	my $err;
	203	try {
	204	$db{$$}->begin_work;
	205	my $products = decode_json $req->body_parameters->{products};
	206	for my $prod (@$products) {
	207	my $stock = $db{$$}->select(products => 'stock', {product => $prod->{product}})->list;
	208	die "Not enough of " .$prod->{title}."\n" if $prod->{quantity} > $stock;
	209	$db{$$}->update(products => {stock => $stock - $prod->{quantity}}, {product => $prod->{product}});
	210	}
	211	$db{$$}->insert(orders => {id => $id, %parms});
	212	$db{$$}->commit;
8526cf2b MG	213	sendmail (Email::Simple->create(
	214	header => [
	215	From => $ENV{OOF_EMAIL_FROM},
	216	To => $ENV{OOF_EMAIL_TO},
	217	Subject => "Order $id placed",
	218	],
	219	body => 'A new order was placed.',
	220	)) if $ENV{OOF_EMAIL_TO};
1576fc41 MG	221	} catch {
	222	$db{$$}->rollback;
	223	$err = [500, ['Content-type', 'text/plain'], ["Error: $_"]]
	224	};
	225	return $err if $err;
	226	return [303, [Location => "/order/$id"], []]
6e33dd68	227	}
1576fc41 MG	228	}
1576fc41 MG	229
5eeddbd0 MG	230	sub cancel {
	231	my ($order) = @_;
	232	$db{$$} //= DBIx::Simple->connect($ENV{OOF_DSN} // 'dbi:Pg:');
	233	$order = $db{$$}->select(orders => '*', {id => $order})->hash;
	234	my $products = decode_json $order->{products};
	235	$db{$$}->begin_work;
	236	try {
	237	for my $prod (@$products) {
	238	my $stock = $db{$$}->select(products => 'stock', {product => $prod->{product}})->list;
	239	$db{$$}->update(products => {stock => $stock + $prod->{quantity}}, {product => $prod->{product}});
	240	}
	241	$db{$$}->delete(orders => {id => $order->{id}});
	242	$db{$$}->commit;
	243	} catch {
	244	$db{$$}->rollback;
	245	die $_
	246	}
	247	}
	248
1576fc41 MG	249	sub details_list_element {
	250	my ($data, $li) = @_;
	251	$li->find('a')->attr(href => "/$data");
	252	my $thumb = $data =~ s/fullpics/thumbs/r;
	253	$thumb = $data unless -f $thumb;
	254	$li->find('img')->attr(src => "/$thumb");
	255	}
	256
	257	sub details_app {
	258	my ($env) = @_;
	259	$db{$$} //= DBIx::Simple->connect($ENV{OOF_DSN} // 'dbi:Pg:');
	260	my $tree = $details->clone;
	261	my ($id) = $env->{PATH_INFO} =~ m,^/(\d+),;
8bb7ab90	262	my %data = %{$db{$$}->select(products => '*', {product => $id})->hash};
1576fc41	263	my @pics = <static/fullpics/$id-*>;
8bb7ab90 MG	264	my $slug = make_slug $data{title};
	265	$tree->find('title')->replace_content("$data{title} \| ledparts4you");
	266	$tree->find('h2')->replace_content($data{title});
	267	$tree->fid('summary')->replace_content($data{summary});
1576fc41	268	$tree->look_down(rel => 'canonical')->attr(href => "/details/$id/$slug");
b66954a0	269	$tree->fid('pictures')->find('li')->iter3(\@pics, \&details_list_element);
8bb7ab90	270	$tree->fid('jsonld')->replace_content(encode_json product_to_schemaorg '', %data);
6e33dd68	271
fc536c37 MG	272	for my $ahref ($tree->find('a')) {
	273	$ahref->attr(href => "/form?highlight=$id") if $ahref->attr('href') eq '/';
	274	}
	275
6e33dd68 MG	276	[200, ['Content-type' => 'text/html; charset=utf-8'], [$tree->as_HTML]]
	277	}
	278
1576fc41 MG	279	sub pay_app {
	280	my ($env) = @_;
	281	my $req = Plack::Request->new($env);
	282	$db{$$} //= DBIx::Simple->connect($ENV{OOF_DSN} // 'dbi:Pg:');
	283	my $order = $req->body_parameters->{order};
	284	my $token = $req->body_parameters->{stripeToken};
	285	return [500, ['Content-type' => 'text/html; charset=utf-8'], ['No token received, payment did not succeed.']] unless $token;
	286	$db{$$}->update(orders => {stripe_token => $token}, {id => $order});
	287	[200, ['Content-type' => 'text/html; charset=utf-8'], [$pay->as_HTML]];
	288	}
	289
6e33dd68	290	sub app {
1576fc41	291	my $footer = read_file 'tmpl/footer.html';
6e33dd68	292	builder {
1576fc41 MG	293	enable sub {
	294	my $app = shift;
	295	sub {
	296	my $res = $app->(@_);
0c3c4e70	297	$res->[2][0] =~ s,</body>,$footer</body>, if $res->[0] == 200;
1576fc41 MG	298	$res;
	299	}
	300	};
6e33dd68 MG	301	mount '/' => sub { [301, [Location => '/form'], []] };
	302	mount '/form' => \&form_app;
	303	mount '/continue' => \&continue_app;
	304	mount '/order' => \&order_app;
1576fc41 MG	305	mount '/details' => \&details_app;
1576fc41 MG	306	mount '/pay' => \&pay_app;
6e33dd68 MG	307	}
	308	}
	309
	310	1;
	311	__END__
	312
	313	=head1 NAME
	314
	315	App::Web::Oof - Oversimplified order form / ecommerce website
	316
	317	=head1 SYNOPSIS
	318
	319	use App::Web::Oof;
	320
	321	=head1 DESCRIPTION
	322
	323	Oof (Oversimplified order form) is a very simple ecommerce website.
39be4169 MG	324	It is the code behind L<https://ledparts4you.uk.to>.
	325
	326	This version is reasonably functional, yet not very reusable, hence
	327	the version number.
6e33dd68 MG	328
	329	=head1 AUTHOR
	330
	331	Marius Gavrilescu, E<lt>marius@ieval.roE<gt>
	332
	333	=head1 COPYRIGHT AND LICENSE
	334
	335	Copyright (C) 2016 by Marius Gavrilescu
	336
	337	This library is free software; you can redistribute it and/or modify
	338	it under the same terms as Perl itself, either Perl version 5.22.1 or,
	339	at your option, any later version of Perl 5 you may have available.
	340
	341
	342	=cut