don't re-my var, quiet warning
[freeside.git] / FS / FS / cust_credit_refund.pm
1 package FS::cust_credit_refund;
2
3 use strict;
4 use vars qw( @ISA );
5 use FS::Record qw( qsearch qsearchs dbh );
6 #use FS::UID qw(getotaker);
7 use FS::cust_credit;
8 use FS::cust_refund;
9
10 @ISA = qw( FS::Record );
11
12 =head1 NAME
13
14 FS::cust_credit_refund - Object methods for cust_bill_pay records
15
16 =head1 SYNOPSIS 
17
18   use FS::cust_credit_refund;
19
20   $record = new FS::cust_credit_refund \%hash;
21   $record = new FS::cust_credit_refund { 'column' => 'value' };
22
23   $error = $record->insert;
24
25   $error = $new_record->replace($old_record);
26
27   $error = $record->delete;
28
29   $error = $record->check;
30
31 =head1 DESCRIPTION
32
33 An FS::cust_credit_refund represents the application of a refund to a specific
34 credit.  FS::cust_credit_refund inherits from FS::Record.  The following fields
35 are currently supported:
36
37 =over 4
38
39 =item creditrefundnum - primary key (assigned automatically)
40
41 =item crednum - Credit (see L<FS::cust_credit>)
42
43 =item refundnum - Refund (see L<FS::cust_refund>)
44
45 =item amount - Amount of the refund to apply to the specific credit.
46
47 =item _date - specified as a UNIX timestamp; see L<perlfunc/"time">.  Also see
48 L<Time::Local> and L<Date::Parse> for conversion functions.
49
50 =back
51
52 =head1 METHODS
53
54 =over 4 
55
56 =item new HASHREF
57
58 Creates a new record.  To add the record to the database, see L<"insert">.
59
60 =cut
61
62 sub table { 'cust_credit_refund'; }
63
64 =item insert
65
66 Adds this record to the database.  If there is an error, returns the error,
67 otherwise returns false.
68
69 =cut
70
71 sub insert {
72   my $self = shift;
73   my $error = $self->SUPER::insert;
74   return $error if $error;
75
76   '';
77 }
78
79 =item delete
80
81 Currently unimplemented (accounting reasons).
82
83 =cut
84
85 sub delete {
86   return "Can't (yet?) delete cust_credit_refund records!";
87 }
88
89 =item replace OLD_RECORD
90
91 Currently unimplemented (accounting reasons).
92
93 =cut
94
95 sub replace {
96    return "Can't (yet?) modify cust_credit_refund records!";
97 }
98
99 =item check
100
101 Checks all fields to make sure this is a valid refund application.  If there is
102 an error, returns the error, otherwise returns false.  Called by the insert
103 method.
104
105 =cut
106
107 sub check {
108   my $self = shift;
109
110   my $error = 
111     $self->ut_numbern('creditrefundnum')
112     || $self->ut_number('crednum')
113     || $self->ut_number('refundnum')
114     || $self->ut_money('amount')
115     || $self->ut_numbern('_date')
116   ;
117   return $error if $error;
118
119   return "amount must be > 0" if $self->amount <= 0;
120
121   return "unknown cust_credit.crednum: ". $self->crednum
122     unless my $cust_credit =
123       qsearchs( 'cust_credit', { 'crednum' => $self->crednum } );
124
125   return "Unknown refund"
126     unless my $cust_refund =
127       qsearchs( 'cust_refund', { 'refundnum' => $self->refundnum } );
128
129   $self->_date(time) unless $self->_date;
130
131   return "Cannot apply more than remaining value of credit"
132     unless $self->amount <= $cust_credit->credited;
133
134   return "Cannot apply more than remaining value of refund"
135     unless $self->amount <= $cust_refund->unapplied;
136
137   $self->SUPER::check;
138 }
139
140 =item cust_refund
141
142 Returns the refund (see L<FS::cust_refund>)
143
144 =cut
145
146 sub cust_refund {
147   my $self = shift;
148   qsearchs( 'cust_refund', { 'refundnum' => $self->refundnum } );
149 }
150
151 =item cust_credit
152
153 Returns the credit (see L<FS::cust_credit>)
154
155 =cut
156
157 sub cust_credit {
158   my $self = shift;
159   qsearchs( 'cust_credit', { 'crednum' => $self->crednum } );
160 }
161
162 =back
163
164 =head1 VERSION
165
166 $Id: cust_credit_refund.pm,v 1.11 2004-06-29 04:02:44 ivan Exp $
167
168 =head1 BUGS
169
170 Delete and replace methods.
171
172 the checks for over-applied refunds could be better done like the ones in
173 cust_bill_credit
174
175 =head1 SEE ALSO
176
177 L<FS::cust_credit>, L<FS::cust_refund>, L<FS::Record>, schema.html from the
178 base documentation.
179
180 =cut
181
182 1;
183