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Florian "flowdy" Heß 2017-01-15 16:27:22 +01:00
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Copyright (c) 2016, Florian Heß GNU GENERAL PUBLIC LICENSE
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notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.

11
README.md
View File

@ -41,8 +41,8 @@ Using the sqlite3 database purposefully means two things:
ensure that members make the transfers they are obligated to and return any money that is paid ensure that members make the transfers they are obligated to and return any money that is paid
too much unless the indicated purposes, if any, also refer to dues in certain future. too much unless the indicated purposes, if any, also refer to dues in certain future.
Installation Basic Installation
------------ ------------------
As it is a SQLite3 database with all consistency and calculatory logic built in, you only As it is a SQLite3 database with all consistency and calculatory logic built in, you only
need the `sqlite3` binary or any sqlite3 GUI software to run it. need the `sqlite3` binary or any sqlite3 GUI software to run it.
@ -66,6 +66,11 @@ need the `sqlite3` binary or any sqlite3 GUI software to run it.
1. Study the files to learn how to work with the system: `less schema.sql t/schema.???` 1. Study the files to learn how to work with the system: `less schema.sql t/schema.???`
HTTP interface
--------------
Treasure DB includes a rudimentary HTTP interface. It requires Mojolicious. The interface
is developped and tested on version 7.13 onwards.
License License
------- -------
@ -73,4 +78,4 @@ License
Copyright (c) 2016, Florian Heß. Copyright (c) 2016, Florian Heß.
All rights reserved. All rights reserved.
See details in LICENSE file containing the BSD 3-clause revised license. See details in LICENSE file containing the General Public license, version 3.

3
TrsrDB/Credit.pm
View File

@ -18,8 +18,7 @@ __PACKAGE__->belongs_to(
); );
__PACKAGE__->has_many( __PACKAGE__->has_many(
outgoings => 'TrsrDB::Transfer', outgoings => 'TrsrDB::Transfer', 'credId'
{ 'foreign.fromCredit' => 'self.credId' }
); );
__PACKAGE__->has_many( __PACKAGE__->has_many(

2
TrsrDB/Debit.pm
View File

@ -6,12 +6,12 @@ use base qw/DBIx::Class::Core/;
__PACKAGE__->table('Debit'); __PACKAGE__->table('Debit');
__PACKAGE__->add_column("billId"); __PACKAGE__->add_column("billId");
__PACKAGE__->add_column("debtor"); __PACKAGE__->add_column("debtor");
__PACKAGE__->add_column("targetCredit" => { data_type => 'INTEGER' });
__PACKAGE__->add_column("date" => { data_type => 'DATE' }); __PACKAGE__->add_column("date" => { data_type => 'DATE' });
__PACKAGE__->add_column("purpose"); __PACKAGE__->add_column("purpose");
__PACKAGE__->add_column("value" => { data_type => 'INTEGER' }); __PACKAGE__->add_column("value" => { data_type => 'INTEGER' });
__PACKAGE__->add_column("paid" => { data_type => 'INTEGER', default => 0 }); __PACKAGE__->add_column("paid" => { data_type => 'INTEGER', default => 0 });
__PACKAGE__->set_primary_key("billId"); __PACKAGE__->set_primary_key("billId");
__PACKAGE__->add_column("targetCredit" => { data_type => 'INTEGER' });
__PACKAGE__->belongs_to( __PACKAGE__->belongs_to(
account => 'TrsrDB::Account', account => 'TrsrDB::Account',

52
TrsrDB/Error.pm Normal file
View File

@ -0,0 +1,52 @@
use 5.014;
package TrsrDB::Error {
use Moose;
extends 'Throwable::Error';
use overload eq => sub { ref($_[0]) eq $_[1] };
has http_status => (
is => 'rw',
isa => 'Num',
);
has _remote_stack_trace => (
is => 'ro', isa => 'Str'
);
sub dump {
my ($self, $with_internals) = @_;
my $stack_trace = $self->stack_trace;
my (@frames);
while ( my $next = $stack_trace->next_frame ) {
last if $next->package eq 'FTM::User::Interface'
&& $next->subroutine eq 'Try::Tiny::try';
push @frames, $next;
}
return {
(map { $_ => $self->$_ } qw(message user_seqno http_status)),
$with_internals // 1 ? (
_is_ftm_error => ref $self,
_remote_stack_trace => join(
"", map { $_->as_string . "\n" } @frames
)
) : (),
inner(),
};
}
override as_string => sub {
my $self = shift;
if ( defined(my $rst = $self->_remote_stack_trace) ) {
$rst =~ s{^}{[BACKEND] }mg;
return $self->message.$rst;
}
else { super(); }
};
__PACKAGE__->meta->make_immutable;
}
1;

259
TrsrDB/HTTP.pm Normal file
View File

@ -0,0 +1,259 @@
use strict;
package TrsrDB::HTTP;
use TrsrDB::Error;
use Mojolicious 6.0;
use Mojolicious::Sessions;
use Mojo::Base 'Mojolicious';
use POSIX qw(strftime);
has db => sub {
my $db;
eval q{use TrsrDB \$db} or $@ && die $@;
return $db;
};
# This method will run once at server start
sub startup {
my $self = shift;
$self->secrets([rand]);
$self->sessions->cookie_name('TrsrDB');
$self->config(
hypnotoad => {
listen => [ $ENV{MOJO_LISTEN} ],
pid_file => $ENV{PIDFILE},
workers => 2,
});
$self->defaults(
layout => 'default',
user => undef,
);
if ( my $l = $ENV{LOG} ) {
use Mojo::Log;
open my $fh, '>', $l or die "Could not open logfile $l to write: $!";
$self->log( Mojo::Log->new( handle => $fh, level => 'warn' ) );
}
unshift @{$self->static->paths}, $self->home->rel_dir('site');
$self->helper( 'reply.client_error' => \&prepare_client_error );
$self->hook( before_render => \&restapi_reply_jsonifier );
# Router
my $r = $self->routes->under(\&initialize_stash);
$r->any( [qw/GET POST/] => "/login" )->to("user#login", retry_msg => 0 );
my $auth = $r->under(\&require_user_otherwise_login_or_fail);
$auth->get( '/logout' )->to("user#logout");
my $admin = $auth->under(sub { shift->stash('grade') > 1 });
$admin->any('/admin')->to('admin#dash');
$admin->post('/:account/in')->to('credit#upsert');
$admin->post('/:account/out')->to('debit#upsert');
$admin->get('/:account/credits')->to('credit#list');
$admin->get('/:account/debits')->to('debit#list');
$admin->post('/:account/transfer')->to('account#transfer');
$admin->any( [qw/GET POST PATCH/] => '/credit/:id' )->to('credit#upsert');
$admin->post('/credit')->to('credit#upsert');
$admin->any( [qw/GET POST PATCH/] => '/debit/*id' )->to('debit#upsert');
$admin->post('/debit')->to('debit#upsert');
$admin->get('/:action')->to(controller => 'admin');
$auth->get('/')->to('account#list')->name('home');
my $check = $auth->under(sub { shift->stash('grade') })->get('/');
$check->get('/bankStatement')->to(sub {
my $c = shift;
$c->stash( records => $c->app->db->resultset("ReconstructedBankStatement") );
$c->render('bankStatement');
});
my $account = $auth->get('/:account')->under(sub {
my $c = shift;
my $account = $c->stash('account');
if ( my $acc = $c->app->db->resultset('Account')->find($account) ) {
$c->stash( account => $acc );
$account = $acc;
}
else {
$c->reply->not_found;
return;
}
return $account->type ? $c->stash('grade') : 1;
});
$account->get('/in')->to("credit#upsert");
$account->get('/out')->to("debit#upsert");
$account->get('/:action')->to('account#');
}
my $started_time;
BEGIN { $started_time = scalar localtime(); }
sub get_started_time { $started_time; }
sub initialize_stash {
my $c = shift;
my $ct = $c->req->headers->content_type;
$c->stash(
is_restapi_req => $c->accepts('', 'json' )
|| $ct && $ct ne 'application/x-www-form-urlencoded',
current_time => strftime('%Y-%m-%d %H:%M:%S', localtime time),
);
return 1;
}
sub require_user_otherwise_login_or_fail {
my $c = shift;
my $is_restapi_req = $c->stash('is_restapi_req');
if ( my $u = authenticate_user($c) ) {
$c->stash( user => $u );
$c->stash( grade => $u->grade );
return 1;
}
elsif ( !$is_restapi_req && $c->req->method eq "GET" ) {
$c->redirect_to("/login");
}
else {
$c->res->code(401);
}
return undef;
}
# Rely on Mojolicious in that the session cookie be cryptographically
# protected against manipulation (HMAC-SHA1 signature). Hence, if the
# user id is defined, the user has certainly logged in properly.
# Refer to `perldoc Mojolicious::Controller` if interested.
# If the REST application programing interface is used, there is no
# cookie. To stay "RESTful", we rely on HTTP header "Authentification".
sub authenticate_user {
my $c = shift;
my ($user, my $password)
= split /:/, ( $c->req->url->to_abs->userinfo // q{} ), 2;
my $further_check;
if ( $user ) { $further_check = 1 }
elsif ( $user = $c->session('user_id') ) {}
$user &&= $c->app->db->user($user) or return;
if ( $further_check ) {
$user->password_equals($password) or return;
$c->stash("user" => $user);
}
return $user;
}
sub prepare_client_error {
my $c = shift;
my $x = @_ > 1 ? { @_ } : shift;
my %args;
# Case 1: We have got a genuine application error object of
# which we know the interface.
if ( (my $xclass = ref $x) =~ s{^TrsrDB::Error\b}{} ) {
# consider rather Scalar::Util::blessed ... Yes, I did
$xclass =~ s{^::}{};
%args = (
%{ $x->dump(0) },
error => $xclass || "General error",
);
}
# Case 2: We have got a plain hash of arguments to use directly
elsif ( ref $x eq 'HASH' ) {
%args = ( (map { $_ => undef } qw(message error)), %$x);
}
# Otherwise, we have got an exception thrown from other, third-party
# code. You should design your production-mode exception template so
# that it displays only $error and $message, not $exception, because
# this might allow potential attackers to examine your server's
# vulnerabilities.
else {
my $u = $c->stash("user");
$c->stash(
error => "Internal server error",
message => $u && $u->can_admin ? (ref $x ? "$x" : $x)
: "Oops, something went wrong. (A more detailed "
. "error message logged server-side. Ask the admin.)"
,
);
return;
}
$c->res->code( delete $args{http_status} // 500 );
return $c->render( template => 'exception.production', %args );
}
sub restapi_reply_jsonifier {
my ($c, $args) = @_;
return if !$c->stash('is_restapi_req')
|| $args->{json};
my %stash = ( %{ $c->stash }, %$args );
delete @stash{ # general slots of internal interest ...
qw(snapshot user template is_restapi_req layout
hoster_info cb action controller
),
grep { /^mojo\./ } keys %stash
};
$args->{json} = \%stash;
}
sub render_online_help {
require Text::Markdown;
my $c = shift;
my $file = $c->stash("file");
if ( $file =~ m{(^|\/)\.} ) {
return $c->reply->not_found;
}
elsif ( $file =~ m{\.(\w{3,4})$} ) {
return $c->reply->static( "../doc/online-help/" . $file );
}
$file = $c->app->home->rel_file(
"doc/online-help/" . ( $file || "faq" ) . ".md"
);
open my $fh, '<', $file or return $c->reply->not_found;
binmode $fh, ':utf8';
$c->stash( layout => undef ) if $c->param('bare');
$c->render( template => 'online_help', file => $file );
}
1;
__END__

51
TrsrDB/HTTP/Account.pm Normal file
View File

@ -0,0 +1,51 @@
use strict;
package TrsrDB::HTTP::Account;
use Mojo::Base 'Mojolicious::Controller';
use Carp qw(croak);
sub list {
my $self = shift;
my $accounts = $self->app->db->resultset("Account");
my %args = $self->stash("user")->grade ? () : ( type => undef );
$accounts = $accounts->search(\%args, { order_by => { -asc => [qw/type ID/] } });
$self->stash( accounts => $accounts );
return;
}
sub history {
my $self = shift;
my $history = $self->app->db->resultset("History")->search({
account => $self->stash("account")
}, { order_by => { -desc => [qw/date/] } });
$self->stash( history => $history );
}
sub transfer {
my $self = shift;
my $db = $self->app->db;
my $account = $db->resultset("Account")->find( $self->stash("account") );
if ( $self->req->method eq 'GET' ) {
$self->stash(
credits => $account->available_credits_rs,
arrears => $account->current_arrears_rs,
);
return;
}
$db->make_transfers(
$self->every_param('credits')
=> $self->every_param('debits')
);
return;
}
1;

66
TrsrDB/HTTP/Credit.pm Normal file
View File

@ -0,0 +1,66 @@
use strict;
package TrsrDB::HTTP::Credit;
use Mojo::Base 'Mojolicious::Controller';
use Carp qw(croak);
sub list {
my $self = shift;
my $accounts = $self->app->db->resultset("Account");
my %args = $self->stash("user")->grade ? () : ( type => undef );
$args{ID} = $self->stash("account");
my $account = $accounts->find(\%args);
if ( !$account ) {
$self->reply->not_found;
return;
}
$self->stash( credits => $account->credits_rs );
return;
}
sub upsert {
my $self = shift;
my $db = $self->app->db;
my $id = $self->stash("id");
my $method = $id ? 'find_or_new' : 'new';
my $credit = $db->resultset("Credit")->$method(
{ $id ? (credId => $id) : (), account => $self->stash("account") }
);
$self->stash( credit => $credit );
if ( $self->req->method eq 'GET' ) {
return;
}
for my $field ( qw/account date purpose value/ ) {
my $value = $self->param($field);
$credit->$field($value);
}
$credit->update_or_insert();
my $to_revoke = $self->every_param("revoke");
if ( @$to_revoke ) {
$db->resultset("Transfer")->search({
billId => $to_revoke, credId => $id
})->delete;
}
my $to_spend_for = $self->every_param("spendFor");
if ( @$to_spend_for ) {
$db->make_transfers( $self->param("billId") => $to_spend_for);
}
$self->redirect_to('home');
}
1;

78
TrsrDB/HTTP/Debit.pm Normal file
View File

@ -0,0 +1,78 @@
use strict;
package TrsrDB::HTTP::Debit;
use Mojo::Base 'Mojolicious::Controller';
use Carp qw(croak);
sub list {
my $self = shift;
my $accounts = $self->app->db->resultset("Account");
my %args = $self->stash("user")->grade ? () : ( type => undef );
$args{ID} = $self->stash("account");
my $account = $accounts->find(\%args);
if ( !$account ) {
$self->reply->not_found;
return;
}
$self->stash( debits => $account->debits_rs );
return;
}
sub upsert {
my $self = shift;
my $db = $self->app->db;
my $id = $self->stash("id");
my $account = $self->stash("account");
my $method = $id ? 'find_or_new' : 'new';
my $debit = $db->resultset("Debit")->$method(
{ $id ? (billId => $id) : (), debtor => $account }
);
$self->stash( debit => $debit );
if ( $self->req->method eq 'GET' ) {
my $targets
= $db->resultset("Credit")->search({ account => { '!=' => $account } },
{ join => 'income',
'+select' => [ { count => 'income.targetCredit', -as => 'targetted_by' } ],
group_by => ['income.targetCredit'],
having => \[ 'ifnull(sum(income.paid),0) = me.value' ],
order_by => { -asc => [qw/account/] },
}
);
my @targets = map { [ $_->credId, $_->account->ID, $_->purpose ] } $targets->all;
$self->stash( targets => \@targets, targets_count => $targets->count );
return;
}
for my $field ( qw/billId debtor date purpose value targetCredit/ ) {
my $value = $self->param($field);
$debit->$field($value);
}
$debit->update_or_insert();
my $to_revoke = $self->every_param("revoke");
if ( @$to_revoke ) {
$db->resultset("Transfer")->search({
billId => $id, credId => $to_revoke
})->delete;
}
my $to_pay_with = $self->every_param("payWith");
if ( @$to_pay_with ) {
$db->make_transfers( $to_pay_with => $self->param("billId") );
}
$self->redirect_to('home');
}
1;

41
TrsrDB/HTTP/User.pm Normal file
View File

@ -0,0 +1,41 @@
use strict;
package TrsrDB::HTTP::User;
use Mojo::Base 'Mojolicious::Controller';
#use Carp qw(croak);
sub login {
my $self = shift;
my $user_id = $self->param('user') // return;
my $db = $self->app->db;
my $password = $self->param('password');
my $user = $db->resultset("User")->find(
$user_id =~ m{@} ? { email => $user_id } : $user_id
);
if ( !$user ) {
$self->render( retry_msg => 'authfailure' );
return;
}
elsif ( $password && $user->password_equals($password) ) {
$self->session("user_id" => $user_id );
$self->redirect_to("home");
}
else {
$self->render( $password ? (retry_msg => 'authfailure') : () );
}
}
sub logout {
my ($self) = @_;
$self->session(expires => 1);
# $self->stash( retry_msg => 'loggedOut' );
}
1;

12
TrsrDB/History.pm
View File

@ -4,11 +4,21 @@ package TrsrDB::History;
use base qw/DBIx::Class::Core/; use base qw/DBIx::Class::Core/;
__PACKAGE__->table('History'); __PACKAGE__->table('History');
__PACKAGE__->add_columns(qw/date purpose account credit debit contra billId/); __PACKAGE__->add_columns(qw/date purpose account credId credit debit contra billId note/);
__PACKAGE__->belongs_to( __PACKAGE__->belongs_to(
account => 'TrsrDB::Account', account => 'TrsrDB::Account',
{ 'foreign.ID' => 'self.account' } { 'foreign.ID' => 'self.account' }
); );
__PACKAGE__->belongs_to(
this_credit => 'TrsrDB::Credit',
{ 'foreign.credId' => 'self.credId' }
);
__PACKAGE__->belongs_to(
that_credit => 'TrsrDB::Credit',
{ 'foreign.credId' => 'self.contra' }
);
1; 1;

18
TrsrDB/Report.pm Normal file
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@ -0,0 +1,18 @@
use strict;
package TrsrDB::Report;
use base qw/DBIx::Class::Core/;
__PACKAGE__->table('Report');
__PACKAGE__->add_column("account");
__PACKAGE__->add_column("credId" => { data_type => 'INTEGER' });
__PACKAGE__->add_column("date" => { data_type => 'DATE' });
__PACKAGE__->add_column("purpose");
__PACKAGE__->add_column("value" => { data_type => 'INTEGER' });
__PACKAGE__->belongs_to(
account => 'TrsrDB::Account',
{ 'foreign.ID' => 'self.account' }
);
1;

2
TrsrDB/Transfer.pm
View File

@ -16,7 +16,7 @@ __PACKAGE__->belongs_to(
); );
__PACKAGE__->belongs_to( __PACKAGE__->belongs_to(
debit => 'TrsrDB::Credit', 'billId' debit => 'TrsrDB::Debit', 'billId'
); );
1; 1;

61
TrsrDB/User.pm Normal file
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@ -0,0 +1,61 @@
use strict;
package TrsrDB::User;
use Digest::SHA qw(hmac_sha256_hex);
use Moose;
use Carp qw(croak);
extends 'DBIx::Class::Core';
__PACKAGE__->table('web_auth');
__PACKAGE__->add_columns(qw/
user_id password
/);
__PACKAGE__->add_column(grade => {
data_type => 'TINYINT',
default_value => 0,
});
__PACKAGE__->add_column($_ => {
is_nullable => 1
}) for qw/username email/;
__PACKAGE__->set_primary_key('user_id');
sub salted_password {
my ($self, $password) = @_;
if ( exists $_[1] ) {
my $random_string = _randomstring(8);
return $self->password(
$random_string."//".hmac_sha256_hex($password, $random_string)
);
}
else {
my @ret = reverse split m{//}, $self->password;
$ret[1] //= undef;
return reverse @ret;
}
}
sub password_equals {
my ($self, $password) = @_;
my ($salt, $stored_password) = split m{//}, $self->password, 2;
return hmac_sha256_hex($password, $salt) eq $stored_password;
}
sub sqlt_deploy_hook {
my ($self, $sqlt_table) = @_;
$sqlt_table->add_index(
name => 'unique_mail',
fields => ['email'],
type => 'unique'
);
}
my @chars = ( 0..9, "a".."z", "A".."Z" );
sub _randomstring {
my ($length) = @_;
return join q{}, map { $chars[ int rand(62) ] } 1 .. $length;
}

23
schema.sql
View File

@ -306,22 +306,25 @@ CREATE VIEW History AS
SELECT DATE(timestamp) AS date, SELECT DATE(timestamp) AS date,
d.purpose AS purpose, d.purpose AS purpose,
d.debtor AS account, d.debtor AS account,
NULL AS credit, t.credId AS credId,
t.amount AS debit, t.amount AS debit,
c.account AS contra, NULL AS credit,
d.billId AS billId d.targetCredit AS contra,
d.billId AS billId,
t.note AS note
FROM Transfer t FROM Transfer t
LEFT JOIN Debit AS d ON d.billId = t.billId LEFT JOIN Debit AS d ON d.billId = t.billId
LEFT JOIN Credit AS c ON c.credId = d.targetCredit
-- internal transfers with account as target -- internal transfers with account as target
UNION UNION
SELECT DATE(timestamp) AS date, SELECT DATE(timestamp) AS date,
d.purpose AS purpose, d.purpose AS purpose,
c.account AS account, c.account AS account,
t.amount AS credit, d.targetCredit AS credId,
NULL AS debit, NULL AS debit,
d.debtor AS contra, t.amount AS credit,
d.billId AS billId t.credId AS contra,
d.billId AS billId,
t.note AS note
FROM Transfer t FROM Transfer t
LEFT JOIN Debit AS d ON d.billId = t.billId LEFT JOIN Debit AS d ON d.billId = t.billId
LEFT JOIN Credit AS c ON c.credId = d.targetCredit LEFT JOIN Credit AS c ON c.credId = d.targetCredit
@ -367,7 +370,11 @@ CREATE VIEW Balance AS
FROM Debit d FROM Debit d
LEFT OUTER JOIN CurrentArrears ca ON d.debtor = ca.debtor LEFT OUTER JOIN CurrentArrears ca ON d.debtor = ca.debtor
GROUP BY d.debtor, ca.debtor GROUP BY d.debtor, ca.debtor
HAVING d.date <= IFNULL( min(ca.date), d.date ) HAVING COUNT(
-- Restricts the counting to the settled debts:
CASE d.value WHEN d.paid THEN 1 ELSE NULL END
) -- Considers that there might be no current arrears:
AND d.date <= IFNULL( min(ca.date), '9999-99-99' )
) AS even ON Account.ID=even.account ) AS even ON Account.ID=even.account
; ;

64
site/style.css Normal file
View File

@ -0,0 +1,64 @@
html {
margin: 0 auto;
max-width: 800px;
}
body {
font-family: sans-serif;
padding: .5em;
}
h1 {
text-align: center;
border-bottom: 5px double grey;
}
table tr:nth-child(even) {
background-color: #eee;
}
table tr:nth-child(odd) {
background-color: #ddd;
}
table.accounts col.transfer {
text-align: center;
}
table.accounts td > a {
font-variant: small-caps;
}
table td.centered {
text-align: center;
}
table td.number {
text-align: right;
font-family: monospace;
}
a.transfer-btn {
background-color:rgba(224,32,0,0.4);
font-weight: bold;
border: 2px outset rgb(224,32,0);
text-decoration: none;
}
table td.even_until {
text-align: center;
}
dl dd + dt {
border-top: 1px solid lightgrey;
margin-top: 1em;
}
select {
border:none;
background-color:transparent;
}
.help {
color: lightgrey;
font-size: .8em;
}

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% title 'Transfer history';
<p>Reverse ordered list:</p>
<table>
<tr><th>Timestamp</th><th>Purpose (own/other/debit)</th><th>debit</th><th>credit</th><th>note</th></tr>
% while ( my $hr = $history->next ) {
<tr><td><%= $hr->date %></td><td>
% my $this = $hr->this_credit;
<strong>On <a href="/credit/<%= $hr->credId %>"><%= <%= $this->credId %></a>:</strong> <%= $this->purpose %><br>
% my $that = $hr->that_credit;
<strong>With <%= $that->account->ID %>/<a href="/credit/<%= $that->credId %>"><%= <%= $that->credId %></a>:</strong> <%= $that->purpose %><br>
<strong>Pay <%= $hr->billId %>:</strong> <%= $hr->purpose %>
</td><td class="number"><%= $hr->debit %></td><td class="number"><%= $hr->credit %></td><td><%= $hr->note %></td></tr>
% }
</table>

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% title 'Accounts';
<table class="accounts">
<col class="account"><col class="even_until"><col class="arrears"><col><col><col class="transfer"><col class="available"><col><col><col class="earned"><col class="promised"><col class="history"><col class="report">
<tr><th>Account</th><th>Even until</th><th colspan="3">Arrears</th><th>Transfer</th><th colspan="3">Available</th><th>Earned</th><th>Promised</th><th>History</th><th>Report</th></tr>
% my ($type) = q{};
% my $inter_header = begin
<tr><th colspan="13"><%= shift || 'Club management accounts' %></th></tr>
% end
% while ( my $account = $accounts->next ) {
% my $bal = $account->balance;
% my $t = $account->type // q{};
% if ( $type ne $t ) {
% $type = $t;
<%= $inter_header->($t) %>
% }
% my $u = $account->ID;
<tr><th><%= $u %></th>
<td class="even_until"><%= $bal->even_until // "never" %></td><td class="number"><%= $bal->arrears %></td><td><a href="<%= $u %>/debits">list</td><td><a href="<%= $u %>/out">add</a></td>
<td class="centered">
% my $which = ($bal->arrears && 1) + ($bal->available && 1);
% if ( $which == 2 ) {
<a class="transfer-btn" href="<%= $u %>/transfer">C&hArr;D!</a>
% }
% elsif ( $which ) {
<span style="background-color:rgba(224,224,0,0.4);">N/A</span>
% }
% else {
<span style="background-color:rgba(0,224,0,0.4);">N/A</span>
% }
</td><td class="number"><%= $bal->available %></td><td><a href="<%= $u %>/credits">list</a></td><td><a href="<%= $u %>/in">add</a></td><td class="number"><%= $bal->earned %></td><td class="number"><%= $bal->promised %></td><td><a href="<%= $u %>/history">History</a></td><td><a href="<%= $u %>/report">Report</a></td></tr>
% } # while
</table>
<div class="help">
<h2>Column explanation</h2>
<dl>
<dt>Even till:</dt>
<dd><p>Date of debt up to and including which all is settled.</p></dd>
<dt>Arrears:</dt>
<dd><p>Unpaid debits</p></dd>
<dt>Transfer:</dt>
<dd><p>Link to a view where you can match credit and debit and have the software transfer money in between automatically. Yellow "N/A" means there is no money to transfer as either credit or debit is 0. Green "N/A" means there is no money to transfer because the account is even.</p></dd>
<dt>Available:</dt>
<dd><p>Credits that have not been used or not to full extent, yet</p></dd>
<dt>Earned:</dt>
<dd><p>Paid debits targetting credits of that account.</p></dd>
<dt>Promised:</dt>
<dd><p>Unpaid or not fully paid debits targetting credits of that account.</p></dd>
</dl>
</div>

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% title 'Make transfers';
<p>Check at least one item of each table that belong together.</p>
<form method="post">
<h2>Available credits</h2>
<p>Check credits you want to <strong>pay above debit(s)</strong> with.</p>
<table>
<tr><th>S</th><th>date</th><th>purpose</th><th>to spend</th></tr>
% while ( my $d = $credits->next ) {
<tr><td><input type="checkbox" name="credits" value="<%= $d->credId %>"></td>
<td><%= $d->date %></td>
<td><%= $d->purpose %></td>
<td><%= $d->difference %></td>
</tr>
% }
</table>
<h2>Current arrears</h2>
<p>Check arrears you want to <strong>use this credit</strong> for.</p>
<table>
<tr><th>S</th><th>date</th><th>purpose</th><th>to pay</th></tr>
% while ( my $d = $arrears->next ) {
<tr><td><input type="checkbox" name="debits" value="<%= $d->billId %>"></td>
<td><%= $d->date %></td>
<td><%= $d->purpose %></td>
<td><%= $d->difference %></td>
</tr>
% }
</table>
<p><button type="submit">Make transfers</button>
<a href="<%= url_for('home') %>">Return to account list</a></p>
</form>

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% title 'Bank statement';
<table>
<tr><th>Date</th><th>Account</th><th>Purpose</th><th>Debit</th><th>Credit</th></tr>
% while ( my $record = $records->next ) {
<tr><td><%= $record->date %></td><td><%= $record->account %></td><td><%= $record->purpose %></td><td><%= $record->debit %></td><td><%= $record->credit %></td></tr>
% }
</table>

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% title 'Income of ' . $account;
<table class="income">
<tr><th>Id</th><th>Date</th><th>Purpose</th><th>value</th><th>spent</th></tr>
% while ( my $credit = $credits->next ) {
<tr><td class="number"><a href="/credit/<%= $credit->credId %>"><%= $credit->credId %></a></td><td><%= $credit->date %></td><td><%= $credit->purpose %></td><td class="number"><%= $credit->value %></td><td class="number"><%= $credit->spent %></td></tr>
% }
</table>

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% my $id = stash 'id';
% title $id ? "Change credit $id" : "Enter new credit";
<form method="post">
<h2>Essentials</h2>
% my %r;
% $r{date} = begin
<input id="date" name="date" value="<%= $credit->date %>"> (Format: YYYY-MM-DD)
% end
% $r{purpose} = begin
<input id="purpose" name="purpose" style="width:100%" value="<%= $credit->purpose %>">
% end
% $r{value} = begin
<input id="value" name="value" value="<%= $credit->value %>"> Cent (declare target credit with "0")
% end
% $r{account} = begin
<input id="account" name="account" value="<%= $credit->account->ID %>">
% end
<dl class="upsert">
% for my $f ( $credit->result_source->columns ) {
% my $renderer = $r{$f} // do {
% my $value = $credit->$f // next;
% begin
<%= $value %>
% end
% };
<dt><label for="<%= $f %>"><%= $f %>:</label></dt>
<dd><%= $renderer->() %></dd>
% }
</dl>
% if ( $credit->in_storage ) {
% my $o = $credit->outgoings;
% if ( $o->count() ) {
<h2>Outgoings</h2>
<p>If you want to <strong>revoke</strong> any outgoings, please check those.</p>
<table>
<tr><th>R</th><th>timestamp</th><th>paid</th><th>value</th><th>note</th></tr>
% while ( my $t = $o->next ) {
% my $d = $t->debit;
<tr><td><input type="checkbox" name="revoke" value="<%= $t->billId %>"></td>
<td><%= $t->timestamp %></td>
<td><%= $d->purpose %></td>
<td><%= $t->amount %></td>
<td><%= $t->note %></td>
</tr>
% }
</table>
% }
% else {
<p>Credit not used, yet.</p>
% }
% }
% my $account = stash('account');
% if ( $account //= $credit->account ) {
<h2>Spend for arrears</h2>
% my $arrears = ( ref $account ? $account : app->db->resultset("Account")->find($account) )->current_arrears;
% if ( $arrears->count() ) {
<p>Check arrears you want to <strong>use this credit</strong> for.</p>
<table>
<tr><th>S</th><th>date</th><th>purpose</th><th>to pay</th></tr>
% while ( my $d = $arrears->next ) {
<tr><td><input type="checkbox" name="spendFor" value="<%= $d->billId %>"></td>
<td><%= $d->date %></td>
<td><%= $d->purpose %></td>
<td><%= $d->difference %></td>
</tr>
% }
</table>
% }
% else {
<p>Currently no arrears to pay.</p>
% }
% }
<button type="submit">Submit</button>
</form>

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% title 'Outcome of ' . $account;
<table class="income">
<tr><th>Id</th><th>Date</th><th>Purpose</th><th>value</th><th>paid</th><th>to</th></tr>
% while ( my $debit = $debits->next ) {
% my $tgt = $debit->target;
<tr><td><a href="/debit/<%= $debit->billId %>"><%= $debit->billId %></a></td><td><%= $debit->date %></td><td><%= $debit->purpose %></td><td class="number"><%= $debit->value %></td><td class="number"><%= $debit->paid %><td><a href="/credit/<%= $tgt->credId %>"><%= $tgt->account->ID %></a></tr>
% }
</table>

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% my $id = stash 'id';
% title $id ? "Change debit $id" : "Enter new debit";
<form method="post">
<h2>Essentials</h2>
% my %r;
% $r{billId} = begin
<input id="billId" name="billId" value="<%= $debit->billId %>">
% end
% $r{date} = begin
<input id="date" name="date" value="<%= $debit->date %>"> (Format: YYYY-MM-DD)
% end
% $r{purpose} = begin
<input id="purpose" name="purpose" style="width:100%" value="<%= $debit->purpose %>">
% end
% $r{value} = begin
<input id="value" name="value" value="<%= $debit->value %>"> Cent
% end
% $r{targetCredit} = begin
% if ( !@$targets ) {
<p style="color:red;">There are no target credits available. Target credits are credits of other accounts that either still have a value of 0, or which have already been targetted. Please create a target credit record first, because all debits must refer to one so settlements can be fulfilled.</p>
% $targets = [ ['', '', ''] ];
oops
% }
% my $cmpacc = $targets->[0][1];
% my $target = $debit->targetCredit // '';
<select id="targetCredit" title="<%= $targets_count %>" name="targetCredit">
<option value="">-- Please select (mandatory) --</option>
<optgroup label="<%= $cmpacc %>">
% for my $tc ( @$targets ) {
% my $newacc = $tc->[1];
% if ( $newacc ne $cmpacc ) {
% $cmpacc = $newacc;
</optgroup>
<optgroup label="<%= $cmpacc %>">
% }
<option value="<%= $tc->[0] %>" <%== $tc->[0] eq $target ? 'selected="selected"' :'' %>>
<%= $tc->[2] %>
</option>
% }
</optgroup>
</select>
% end
% $r{debtor} = begin
<input id="debtor" name="debtor" value="<%= $debit->debtor %>">
% end
<dl class="upsert">
% for my $f ( $debit->result_source->columns ) {
% my $renderer = $r{$f} // do {
% my $value = $debit->$f // next;
% begin
<%= $value %>
% end
% };
<dt><label for="<%= $f %>"><%= $f %>: </label></dt>
<dd><%= $renderer->() %></dd>
% }
</dl>
% if ( $debit->in_storage ) {
% my $i = $debit->incomings;
% if ( $i->count() ) {
<h2>Incomings</h2>
<p>If you want to <strong>revoke</strong> any incomings, just check those.</p>
<table>
<tr><th>R</th><th>timestamp</th><th>paid</th><th>value</th><th>note</th></tr>
% while ( my $t = $i->next ) {
% my $c = $t->credit;
<tr><td><input type="checkbox" name="revoke" value="<%= $t->credId %>"></td>
<td><%= $t->timestamp %></td>
<td><%= $c->purpose %></td>
<td><%= $t->amount %></td>
<td><%= $t->note %></td>
</tr>
% }
</table>
% }
% else {
<p>Debit not paid, yet.</p>
% }
% }
% my $account = stash('account');
% if ( $account ||= $debit->debtor ) {
<h2>Pay with credits</h2>
% my $credits = app->db->resultset("Account")->find($account)->available_credits;
% if ( $credits->count() ) {
<p>Check credits you want to <strong>pay this debit</strong> with.</p>
<table>
<tr><th>S</th><th>date</th><th>purpose</th><th>to spend</th></tr>
% while ( my $d = $credits->next ) {
<tr><td><input type="checkbox" name="payWith" value="<%= $d->credId %>"></td>
<td><%= $d->date %></td>
<td><%= $d->purpose %></td>
<td><%= $d->difference %></td>
</tr>
% }
</table>
% }
% else {
<p>Currently no credits available.</p>
% }
% }
<button type="submit">Submit</button>
</form>

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<!DOCTYPE html>
<html lang="de">
<head>
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1, minimum-scale=1" />
<title>TrsrDB<% if (my $t = title) { %>: <%= $t %><% } %></title>
<link rel="stylesheet" type="text/css"
href="/style.css" media="screen,projection">
% my $scripts = stash 'addScripts';
% for my $script ( @$scripts ) {
<script src="/scripts/<%= $script %>.js"></script>
% }
</head>
<body>
% if ( my $t = title ) {
<h1>Treasure DB: <%= $t %></h1>
% }
<%= content %>
</body>
</html>

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% for ( $retry_msg // () ) {
% $_ = $_ eq 'authfailure' ? "Authentication failed: User does not exist "
% . "or the password was wrong."
% : $_ eq 'loggedOut' ? "You have been logged out. All session cookies "
% . "are expired and deleted. If you want to re-login:"
% : undef;
% }
% title 'User login';
% if ( $retry_msg ) {
<p class="error"><%= $retry_msg %></p>
% }
<form method="post" action="/login"><p>
User id: <input name="user" type="text" placeholder="user id or email" value="<%= param('user') %>"><br>
Password: <input name="password" type="password"><br>
<input type="submit" value="Login">
</p></form>